155 | Processed by container ID {{hostname}}
156 |
157 |
158 |
159 |
160 |
161 |
162 | {% if vote %}
163 |
177 | {% endif %}
178 |
179 |
180 |
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/swarm_galera_wordpress/README.md:
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1 | #Docker Swarm for MySQL Cluster & WordPress
2 | 建立 MySQL Galera 叢集，用 Swarm Cluster 快速建立 Master/Master DB 架構
3 | 此範例將上個練習 [Docker Compose for MySQL Cluster & WordPress](https://philipz.github.io/tech/2016/08/19/compose_galera_wp.html) ，改成 Docker new Swarm 方式，部署到多台伺服器，與前面練習相同，再配合 WordPress，達到動態配置和負載平衡的分散式架構，延伸 [Docker-Compose & Service Discovery](https://philipz.github.io/tech/2016/08/02/compose_dns.html) 課程，練習使用 docker swarm 及 docker service 等等新版指令，可動態擴展服務，訓練未來實際營運環境之使用經驗。
4 |
5 | #New Swarm Mode Cluster
6 | ##建立 Swarm 叢集
7 | 先確認版本是否為 1.12?! `docker -v`{{execute}}
8 | ，看一下這新 Swarm Mode 有哪些指令。 `docker swarm --help`{{execute HOST1}}
9 |
10 | 接下來，初始化 Docker Swarm ，執行 `docker swarm init`{{execute HOST1}} 。
11 | 便會出現 Docker swarm join 的 Manager Token 和 Worker Token ，請先複製下來，在另一台伺服器加入叢集時需用到。
12 |
13 | 請選擇加入成為 Manager 或 Worker 的 Token：
14 |
15 | Manager - `token=$(docker -H [[HOST_IP]]:2345 swarm join-token -q manager) && echo $token`{{execute HOST2}}
16 |
17 | Worker - `token=$(docker -H [[HOST_IP]]:2345 swarm join-token -q worker) && echo $token`{{execute HOST2}}
18 |
19 | 加入到 Docker Swarm 叢集， `docker swarm join [[HOST_IP]]:2377 --token $token `{{execute HOST2}}。
20 |
21 | 叢集節點相關指令說明，`docker node -h`{{execute HOST1}}，
22 | 列出所有節點 `docker node ls`{{execute HOST1}}。
23 |
24 | #建立 Galera Cluster
25 | ##新增 Docker Network
26 | 查看 Docekr Network 相關指令，`docker network -h`{{execute HOST1}}，
27 | 執行 `docker network create -d overlay galera`{{execute HOST1}}，
28 | 新增名為 galera 的層疊網路。
29 |
30 | 與上個練習中的 `docker network create mysql` 指令不同，須指定 overlay 層疊網路之驅動器，才能在 Swarm Cluster 中跨伺服器。
31 |
32 | 確認內容 `docker network ls`{{execute HOST1}} ，
33 | 若在上一步驟，以不同身分(Manager 和 Worker)加入，所產生的結果會有所不同，當以 Manager 身分加入，會立即同步其 Docker Network 的設定，因為其 Manager 的 K/V 是立即同步，若以 Worker 身分加入，則在服務部署到其伺服器時，才會生效。查看另一台 `docker network ls`{{execute HOST2}}，
34 | 詳細說明，請參閱[Understand Docker container networks](https://docs.docker.com/engine/userguide/networking/)。
35 |
36 | ##啟動 Galera 相關服務
37 | ###Master
38 | 所有的 Swarm 服務都必須在 Manager 上操作，而 Manager 數量建議為三台以上，原因請見[拜占庭將軍問題](http://www.twword.com/wiki/%E6%8B%9C%E5%8D%A0%E5%BA%AD%E5%B0%87%E8%BB%8D%E5%95%8F%E9%A1%8C)，由 [Leslie Lamport](http://news.sciencenet.cn/htmlnews/2015/12/333114.shtm) 所提出。
39 | 執行 `docker service create --name master --network galera erkules/galera:basic --wsrep-cluster-name=local-test --wsrep-cluster-address=gcomm://`{{execute HOST1}}
40 |
41 | 查看服務清單，`docker service ls`{{execute HOST1}}，
42 | 確認 Master 服務狀況 `docker service ps master`{{execute HOST1}}。
43 |
44 | ###Galera
45 | `docker service create --name galera --network galera erkules/galera:basic --wsrep-cluster-name=local-test --wsrep-cluster-address=gcomm://master`{{execute HOST1}}
46 |
47 | 檢查其狀況 `docker service ps galera`{{execute HOST1}} 、
48 | `docker service ls`{{execute HOST1}}
49 |
50 | ##確認 Galera Cluster 數量
51 |
52 | 查看容器狀況 `docker ps`{{execute HOST1}}，
53 | 登入到 Master 容器中，`docker exec -ti XXXXX bash`，
54 | 執行 `mysql -e 'show status like "wsrep_cluster_size"'`{{execute HOST1}}，
55 | 確認 DB 叢集狀況。
56 |
57 | 同樣的步驟，亦在另一台伺服器上執行。`docker ps`{{execute HOST2}}，
58 | `docker exec -ti XXXXX bash`，`mysql -e 'show status like "wsrep_cluster_size"'`{{execute HOST2}}，
59 | 確認後離開`exit`{{execute HOST2}}。
60 |
61 | #建立 Wordpress 服務
62 | ##準備資料庫
63 | 再來設定 Wordpress 所需的資料庫和帳號權限。
64 | 執行 `mysql`{{execute HOST1}}，
65 | 資料庫：`CREATE DATABASE wordpress;`{{execute HOST1}}，
66 | 帳號：`CREATE USER 'wordpress'@'%' IDENTIFIED BY 'PASSWORD';`{{execute HOST1}}，
67 | 權限：`GRANT ALL PRIVILEGES ON wordpress.* TO 'wordpress'@'%' WITH GRANT OPTION;`{{execute HOST1}}，
68 | 最後跳出 mysql 程式 `exit`{{execute HOST1}}，
69 | 並登出容器 `exit`{{execute HOST1}}。
70 |
71 | ##啟動 Wordpress 服務
72 | 只需執行 `docker service create --name wordpress --network galera -p 80:80 -e WORDPRESS_DB_HOST=galera:3306 -e WORDPRESS_DB_USER=wordpress -e WORDPRESS_DB_PASSWORD=PASSWORD wordpress:4.5`{{execute HOST1}}
73 |
74 | 查看服務清單，`docker service ls`{{execute HOST1}}，
75 | 確認 Wordpress 服務狀況 `docker service ps wordpress`{{execute HOST1}}。
76 | 請點選上方的 + 符號，選擇「Web Preview host port 80」，就可看到 Wordpress 安裝畫面。
77 |
78 | #Swarm 服務擴展與升級
79 | ##擴展 Wordpress 容器數量
80 | 與 Docker Compose 指令類似，只需 `docker service scale wordpress=2`{{execute HOST1}}，
81 | 就完成橫向擴展，查看一下服務狀況 `docker service ps wordpress`{{execute HOST1}} 。
82 |
83 | 請點選另一台伺服器上方的 + 符號，選擇「Web Preview host port 80」，亦可看到 Wordpress 安裝畫面。
84 |
85 | 如果要確認 Swarm 叢集的自動負載平衡，可以登入到 Wordpress 其中一個容器，新增一個 test.html
86 | ，`echo "Test LB!" > test.html`，再用瀏覽器查看 test.html 的結果，就可發現，更新網頁兩次就會出現一次，即便在同一台伺服器上。
87 |
88 | ##捲動式更新服務(Rolling updates)
89 | 新版 Swarm 還提供[捲動更新功能](https://docs.docker.com/engine/swarm/swarm-tutorial/rolling-update/)，只需要執行
90 | ```
91 | docker service update \
92 | --name wordpress \
93 | --image wordpress:latest \
94 | --update-delay 10s \
95 | --update-parallelism 1 \
96 | wordpress
97 | ```{{execute HOST1}}
98 |
99 | 就可將 Wordpress 更新至最新版。
100 |
101 | 查看 Wordpress 服務更新狀況， `docker service ps wordpress`{{execute HOST1}}。
102 |
103 | #SUMMARY
104 | 此示範將上一個只適用於開發測試環境的範例，使用 Docker Swarm 容器協同運作管理工具，部署到多台虛擬主機上。
105 |
106 | 亦善用這 overlay 層疊網路，很輕鬆就可配置出可動態擴展的架構，並且無須額外設定，即可達到動態配置和負載平衡。
107 |
108 | 各位可嘗試將[投票微服務範例](https://editor.katacoda.com/editor/docker/courses/docker2016/1)改成 Swarm 服務，而目前 Docker Compose 定義檔部署到 Swarm Cluster，需先轉成 [Distributed Application Bundles(DAB)](https://blog.docker.com/2016/06/docker-app-bundle/) 檔案格式，且仍處於[實驗階段](https://github.com/docker/docker/releases)。不過 Docker Compose 已經可以產生出 DAB 檔案， **docker-compose bundle -h**。
109 |
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/compose_galera_wordpress/README.md:
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1 | #Docker Compose for MySQL Cluster & WordPress
2 | 建立 MySQL Galera 叢集，用 Docker Compose 快速建立 Master/Master DB 架構
3 |
4 | 示範如何將書中 MySQL Galera 叢集，改寫 Compose YAML檔案及參數，建置出 DB Mater/Master 架構，再配合 WordPress，以及上一個練習，[Compose & Service Discovery](https://philipz.github.io/tech/2016/08/02/compose_dns.html) 所學習到的 DNS-based 負載平衡機制，架設 WP 的 HA （高可用性）架構。
5 | ##Galera Cluster 原出處：
6 | * [Getting started Galera with Docker, part 1](http://galeracluster.com/2015/05/getting-started-galera-with-docker-part-1/)
7 | * [Getting Started Galera with Docker, part 2](http://galeracluster.com/2015/05/getting-started-galera-with-docker-part-2-2/)
8 |
9 | #準備環境
10 | ##Install Docker Machine 0.8.0
11 | 為快速建立雲端虛擬機，請安裝 Docekr Machine ，執行 ```wget https://github.com/docker/machine/releases/download/v0.8.0/docker-machine-`uname -s`-`uname -m` && \
12 | sudo mv docker-machine-`uname -s`-`uname -m` /usr/local/bin/docker-machine && \
13 | sudo chmod +x /usr/local/bin/docker-machine```{{execute}}，
14 | 確認版本 `docker-machine -v`{{execute}} 。
15 |
16 | ##Install Docker 1.12
17 | 執行 `sudo apt-get -y update`{{execute}}
18 | 更新套件，接著安裝新版 Docker， `sudo apt-get install -y docker-engine`{{execute}}
19 | ，選擇保留原本設定，按 `N`{{execute}} ，完成後，執行 `docker -v` 確認版本。
20 | ##Install Docker Compose 1.8.0
21 | Docker Composer V2 需要配合 Docker 1.10 之後版本，
22 | 依照 [Compose 文件](https://github.com/docker/compose/releases)，執行 ```curl -L https://github.com/docker/compose/releases/download/1.8.0/docker-compose-`uname -s`-`uname -m` > ./docker-compose```{{execute}}
23 | 和 `chmod +x ./docker-compose && sudo mv ./docker-compose /usr/local/bin/docker-compose`{{execute}}
24 | ，完成 docker-compose 安裝，一樣確認版本 `docker-compose -v`{{execute}} 。
25 |
26 | ##建立 Azure 虛擬機
27 | 為真實模擬實際營運環境，使用 Docker Machine 快速建立 VM ，執行 `docker-machine create -d azure --azure-subscription-id="XXXXX" --azure-location="westeurope" --azure-image canonical:ubuntuserver:16.04.0-LTS:16.04.201608150 --azure-size Standard_A1 --engine-install-url https://get.docker.com docker-00-node01`{{execute}}，
28 | 建立完成，利用 **docker-machine env** 指令將 Docker Engine Server 指定到遠端 Azure 主機， `eval $(docker-machine env docker-00-node01)`{{execute}}，
29 | 輸入 `docker info`{{execute}} 確認電腦資訊。
30 |
31 | #解說 Galera 定義檔
32 | ##Docker Network
33 | Docker Network 是從 Docker 1.9 所新增的功能，可用來建立一個跨多台 Docker 伺服器的層疊網路，其利用 VXLAN 通訊協定。層疊技術的好處在於它提供每個容器具有相同子網路的 IP 位址，並且也能透過變更每個容器的 /etc/hosts 來管理名稱解析，因此每個容器都啟動在相同層疊網路，用各自的容器名稱,就可連線到其他任何一個容器。
34 |
35 | 執行 `docker network -h`{{execute}}
36 | ，來查看有哪些指令。
37 |
38 | ##複製範例庫
39 | 請執行 `git clone https://github.com/philipz/compose_galera_wordpress`{{execute}}，
40 | 切換到此範例目錄，`cd compose_galera_wordpress`{{execute}}，
41 | 首先，來看 galera.yml 定義檔內容：
42 | ```
43 | version: "2"
44 |
45 | services:
46 | master:
47 | image: erkules/galera:basic
48 | container_name: master
49 | volumes:
50 | - /data:/var/lib/mysql
51 | networks:
52 | - mysql
53 | command: --wsrep-cluster-name=local-test --wsrep-cluster-address=gcomm://
54 |
55 | slave:
56 | depends_on:
57 | - master
58 | image: erkules/galera:basic
59 | networks:
60 | - mysql
61 | command: --wsrep-cluster-name=local-test --wsrep-cluster-address=gcomm://master
62 |
63 | networks:
64 | mysql:
65 | ```
66 | 主要是由兩個服務所組成，分別是 Master 和 Slave ，但此 Galera Cluster 是 Master-Master 資料庫架構，此命名只是方便識別。
67 | Master 服務先啟動，方便 Slave 利用那 *Command:* `--wsrep-cluster-name=local-test --wsrep-cluster-address=gcomm://master` 來連線到 Master，並且加上 *depends_on:* 設定，確保 Master 服務啟動好，才執行 Slave 服務，相關啟動順序細節，請參閱 [Controlling startup order in Compose](https://docs.docker.com/compose/startup-order/)。
68 |
69 | 最下面 *networks:* 則是建立 Docker Network ，與 `docker network create mysql` 指令相同。而 Master 和 Slave 服務都設定在 mysql 層疊網路上。
70 |
71 | #建立 Galera Cluster
72 | ##啟動 Galera Cluster
73 | 瞭解了 Compose 定義檔內容，接著就是啟動這服務。執行 `docker-compose -f galera.yml up -d`{{execute}}，
74 | 等待 pull 那 Galera 映像檔後，就建置完成。
75 |
76 | 顯示服務的標準輸出結果，可執行 `docker-compose -f galera.yml logs slave`{{execute}}，
77 | 確認服務是否有錯誤訊息。
78 |
79 | 若其中有服務未完成啟動，可執行 `docker-compose -f galera.yml up -d slave`{{execute}}，
80 | 嘗試再一次啟動容器服務。
81 |
82 | 查看其服務的狀態， `docker-compose -f galera.yml ps`{{execute}}，
83 | 為何不直接執行 `docker-compose ps`{{execute}}，
84 | 反而加上 **-f galera.yml** 是因為，docker-compose 預設使用檔案名稱為 *docker-compose.yml* ，若不用此名稱，就需要透過 **-f** 指定。
85 |
86 | 確認啟動完成，再登入到容器中，確認資料庫叢集狀態，`docker exec -ti master bash`{{execute}}，
87 | 進入容器後，執行 `mysql -e 'show status like "wsrep_cluster_size"'`{{execute}}，
88 | 即顯示目前叢集數量。
89 |
90 | #解說 Wordpress 定義檔
91 | ##準備資料庫
92 | 再來設定 Wordpress 所需的資料庫和帳號權限。
93 | 執行 `mysql`{{execute}}，
94 | 資料庫：`CREATE DATABASE wordpress;`{{execute}}，
95 | 帳號：`CREATE USER 'wordpress'@'%' IDENTIFIED BY 'PASSWORD';`{{execute}}，
96 | 權限：`GRANT ALL PRIVILEGES ON wordpress.* TO 'wordpress'@'%' WITH GRANT OPTION;`{{execute}}，
97 | 最後跳出 mysql 程式 `exit`{{execute}}，
98 | 並登出容器 `exit`{{execute}}。
99 |
100 | ##Wordpress 定義檔
101 | 接著，看一下 *wordpress.yml* 內容：
102 | ```
103 | version: "2"
104 |
105 | services:
106 | wordpress:
107 | image: wordpress
108 | networks:
109 | - mysql
110 | environment:
111 | - WORDPRESS_DB_HOST=slave:3306
112 | - WORDPRESS_DB_USER=wordpress
113 | - WORDPRESS_DB_PASSWORD=PASSWORD
114 | ports:
115 | - "80:80"
116 |
117 | networks:
118 | mysql:
119 | ```
120 | 與之前 *galera.yml* 定義檔相同，都是使用 mysql 的層疊網路，直接利用官方 wordpress 映像檔，故需定義相關環境變數，請注意那 *WORDPRESS_DB_HOST=slave:3306* 是連線到 slave 服務容器。
121 |
122 | #建立 Wordpress
123 | ##啟動 Wordpress
124 | 執行 `docker-compose -f wordpress.yml up -d`{{execute}}，
125 | 等待 pull 那 Wordpress 映像檔後，便建置完成。
126 |
127 | 啟動後，執行 `docker-machine ls`{{execute}}，
128 | 用瀏覽器開啟此 IP 就可看到 Wordpress 安裝畫面，並依指示完整安裝。
129 |
130 | ##停止所有服務
131 | 都操作完成後，便先停止 Wordpress 服務，`docker-compose -f wordpress.yml down`{{execute}}，
132 | 再來停止全部 Galera 服務，`docker-compose -f galera.yml down`{{execute}}。
133 | 完成後，確認目前容器狀況，`docker ps`{{execute}}。
134 |
135 | ##合併 Galera 和 Wordpress
136 | 最後，將兩個定義檔合併成一個，請見 *galera_wordpress.yml* 內容，接著一次啟動所有服務， `docker-compose -f galera_wordpress.yml up -d`{{execute}}，
137 | 確認所有服務的狀態， `docker-compose -f galera_wordpress.yml ps`{{execute}}，
138 | 用瀏覽器開啟此虛擬機 IP ，就可看到 Wordpress 已安裝好畫面。
139 |
140 | ##動態擴展
141 | 之前查看過資料庫叢集數量，此時動態增加 Slave 的數量，執行 `docker-compose -f galera_wordpress.yml scale wordpress=2`{{execute}}，
142 | 擴展完成，可登入到 wordpress 容器中，加上 test.html 來驗證負載平衡功能。
143 |
144 | #SUMMARY
145 | 此操作，示範如何使用 Docker Compose 和 Docker Network 整合之功能，善用這 overlay 層疊網路，很輕鬆就可配置出可動態擴展的架構，並且無須額外設定，即可達到動態配置和負載平衡，不過此範例只適用於開發測試環境，若要應用到營運環境，則須配合 Docker Swarm 容器協同運作管理工具，部署到多台虛擬主機上。
146 |
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/circleci/README.md:
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1 | #Docker Compose & CircleCI
2 | 利用投票微服務範例，來示範如何使用 Github 結合 CircleCI 自動化建構微服務架構中的單一容器
3 |
4 | 示範 Docker 在 CircleCI 的持續整合(CI)、持續交付(CD)之應用，以[之前的投票微服務課程](https://philipz.github.io/tech/2016/08/08/vote_microservice.html)中的 Vote 服務，修改其 Python 程式來操作，在 CircleCI 建置出 Docker 映像檔，並整合 Docker Compose 建置出開發環境，撰寫 Test Script (docker run、curl，或是其他測試軟體等) ，自動測試並驗證其程式正確性，再發布到 Docker Hub 上。
5 |
6 | #複製程式碼
7 |
8 | ##下載範例程式
9 | 首先複製投票範例程式，`git clone https://github.com/docker/example-voting-app`{{execute}}，
10 | 切換到 *example-voting-app* 目錄，`cd example-voting-app`{{execute}}，
11 | 查看是否包含 Python 語言寫的 vote 目錄，`ls -l`{{execute}}，
12 | 回到 HOME 目錄，`cd ~`{{execute}}。
13 |
14 | ##建立 Git Repo.
15 | 登入到 Github ，在 Repositories 頁面，新增一個 Repo. ，如下圖：
16 |
17 | 
18 |
19 | 輸入專案名稱，**circlecidemo**，再按下 *Create repository* 按鈕。
20 |
21 | 
22 |
23 | 這樣便建立好一個空的 git 儲存庫，接著複製到本地端， `git clone https://github.com/philipz/circlecitest`{{execute}}，
24 | 進入到 circlecitest 目錄， `cd circlecitest`{{execute}}。
25 |
26 | ##複製 vote 程式
27 | 將 *example-voting-app* 底下 *vote* 目錄中的所有內容，複製到 *circlecitest*，`cp -R ~/example-voting-app/vote/* ./`{{execute}} ，
28 | 便完成程式碼儲存庫的設定和配置。
29 |
30 | #撰寫 Docker Compose 定義檔
31 |
32 | 因為這投票微服務範例，包含五個容器服務元件，若不在 CI 環境上做系統整體測試，只做單元測試可能會有所疏漏，所以我們亦在 CircleCI 上使用 Docker Compose ，建置出一模一樣的環境，免除這樣的測試漏洞。所以複製 *example-voting-app* 目錄下的 **docker-compose.yml** 到 *circlecitest* 目錄中，`cp ~/example-voting-app/docker-compose.yml ./`{{execute}}。
33 |
34 | 這範例主要是針對 Python 程式部分來建置
35 | vote 服務的 *philipz/votingapp_vote* 映像檔，所以改寫這 **docker-compose.yml** 檔案，將非 vote 服務的四個容器都採用映像檔方式，改寫成下面內容：
36 | ```
37 | version: "2"
38 |
39 | services:
40 | vote:
41 | image: philipz/votingapp_vote
42 | command: python app.py
43 | ports:
44 | - "5000:80"
45 |
46 | redis:
47 | image: redis:alpine
48 | ports: ["6379"]
49 |
50 | worker:
51 | image: philipz/votingapp_worker
52 |
53 | db:
54 | image: postgres:9.4
55 |
56 | result:
57 | image: philipz/votingapp_result
58 | ports:
59 | - "80:80"
60 | - "5858:5858"
61 | ```
62 | 可直接複製現成檔案，`wget https://raw.githubusercontent.com/philipz/circlecitest/master/docker-compose.yml`{{execute}} 。
63 |
64 | #準備測試腳本
65 |
66 | 在 [example-voting-app/result](https://github.com/docker/example-voting-app/tree/master/result) 目錄中，其實有 Node.js 的測試程式，主要是透過 [PhantomJS](http://phantomjs.org/) 工具來測試，跟之前一樣複製到 *circlecitest* 目錄中，`cp -R ~/example-voting-app/result/tests ./`{{execute}}，
67 | 而原本的測試腳本是在本地端使用，需改寫成適合 Circle CI 環境，首先移除掉 while 這行 `while ! timeout 1 bash -c "echo > /dev/tcp/vote/80"; do sleep 1; done`，接著將 *http://vote* 改成 *http://localhost:5000* ，對應上一個步驟 **docker-compose.yml** 檔案中 vote 服務的 *ports: - "5000:80"*，再將 *http://result* 改成 *http://localhost* ，正好對應 result 服務的 *ports: - "80:80"*，改寫之後的結果如下：
68 | ```
69 | #!/bin/sh
70 | curl -sS -X POST --data "vote=b" http://localhost:5000 > /dev/null
71 | sleep 10
72 | if phantomjs render.js http://localhost | grep -q '1 vote'; then
73 | echo -e "\e[42m------------"
74 | echo -e "\e[92mTests passed"
75 | echo -e "\e[42m------------"
76 | exit 0
77 | fi
78 | echo -e "\e[41m------------"
79 | echo -e "\e[91mTests failed"
80 | echo -e "\e[41m------------"
81 | exit 1
82 | ```
83 | 可直接複製現成檔案，`wget
84 | https://raw.githubusercontent.com/philipz/circlecitest/master/tests/tests.sh`{{execute}} 。
85 |
86 | #撰寫 Circle CI 設定檔
87 |
88 | 接下來，新增 *circleci.yml* 檔案，內容如下，可直接複製現成檔案。 `wget https://raw.githubusercontent.com/philipz/circlecitest/master/circle.yml`{{execute}}
89 | ```
90 | machine:
91 | pre:
92 | - curl -sSL https://s3.amazonaws.com/circle-downloads/install-circleci-docker.sh | bash -s -- 1.10.0
93 | services:
94 | - docker
95 | node:
96 | version: 0.10.22
97 |
98 | dependencies:
99 | override:
100 | - docker info
101 | - docker -v
102 | - docker build -t philipz/votingapp_vote .
103 | test:
104 | override:
105 | - curl -L https://github.com/docker/compose/releases/download/1.8.0/docker-compose-`uname -s`-`uname -m` > ./docker-compose
106 | - chmod +x ./docker-compose
107 | - ./docker-compose -v
108 | - ./docker-compose up -d
109 | - npm install -g phantomjs
110 | - cd test && ./tests.sh
111 | deployment:
112 | hub:
113 | branch: master
114 | commands:
115 | - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
116 | - docker push philipz/votingapp_vote
117 | ```
118 | 那 Circle CI 已經支援 Docker 服務，為何又要重新安裝？因為 Docker Engine 要 1.10 版之後才支援 Docker Compose version 2，而 Circle CI 預設的 Docker Engine 版本太舊，所以必須自行安裝，因此仍舊需要使用 `service: - docker` 。
119 |
120 | 再來配合上一個步驟的測試腳本，選擇 Node.js 環境，`node: version: 0.10.22`。而建置程式過程都寫在 `dependencies:` 這區塊，其實只有一行 `docker build -t philipz/votingapp_vote .`。接著是測試區塊 `test:` ，先安裝新版 **Docker Compose** ，再把整個投票微服務系統執行起來， `
121 | docker-compose up -d`，最後安裝 PhantomJS 和執行上一步驟所準備的 *tests.sh* 腳本。
122 |
123 | ##上傳到 Github
124 | 全部檔案都改寫好，就新增所有檔案， `git add *`{{execute}} ，
125 | 確認 `git commit -m "First init"`{{execute}} ，
126 | 最後上傳 `git push`{{execute}} 。
127 |
128 | #使用 Circle CI 服務
129 |
130 | 最後一個步驟就是利用 [Circle CI](https://circleci.com/) 來建置並發佈到 Docker Hub 上。
131 |
132 | ##新增帳戶
133 | 按下那 *Sign Up* 按鈕：
134 |
135 | 
136 |
137 | 並直接使用 Github 帳號認證，直接按下 *Authorize with GitHub* 按鈕，便完成新增帳號。
138 |
139 | ##新增建置專案
140 | 在 [Circle CI 儀錶板](https://circleci.com/dashboard)上選擇， **ADD PROJECTS** ，點選 Github 選項。
141 |
142 | 
143 |
144 | 接著尋找 circlecitest 專案，按下 **Build project** ，就立即開始建置。
145 | 
146 |
147 | ##發佈到 Docker Hub 設定
148 | 緊接著，若想在建置成功後，設定此建置專案的環境變數。按下專案旁的齒輪按鈕：
149 |
150 | 
151 |
152 | 選擇環境變數， *Environment Variables*
153 |
154 | 
155 |
156 | 新增三組環境變數，分別是您的 Docker Hub 帳號名、 Docker Hub EMAIL 和密碼。
157 | 
158 |
159 | 最後就可看到建置成功並上傳的 **綠燈** 。
160 |
161 | 
162 |
163 | #SUMMARY
164 |
165 | 這練習利用之前的 [Docker 官方 Web 投票微服務範例](https://philipz.github.io/tech/2016/08/08/vote_microservice.html)，來示範如何使用 [Github](https://github.com/) 和 [CircleCI](https://circleci.com/)
166 | 透過 Docker 容器達到軟體[持續整合](https://zh.wikipedia.org/wiki/%E6%8C%81%E7%BA%8C%E6%95%B4%E5%90%88)(Continuous Integration))和[持續交付](https://zh.wikipedia.org/wiki/%E6%8C%81%E7%BA%8C%E4%BA%A4%E4%BB%98)(Continuous Delivery)，
167 | 讓整個微服務架構中的單一容器元件可以自動化建置、測試後，上傳到企業內部的 [Docker registry server](https://github.com/docker/distribution/blob/master/docs/deploying.md) 存放映像檔，甚至呼叫 Webhook API 來自動部署營運環境。
168 |
169 | 延伸閱讀：
170 | 1. [此範例的 Github 專案](https://github.com/philipz/circlecitest)
171 | 2. [CircleCI 建置結果](https://circleci.com/gh/philipz/circlecitest)
172 | 3. [Continuous Delivery中文版](http://www.books.com.tw/products/0010653820)
173 | 4. [ThoughtWorks 的 CI 介紹](https://www.thoughtworks.com/continuous-integration )
174 | 5. [ThoughtWorks 的 CD 介紹](https://www.thoughtworks.com/continuous-delivery)
175 |
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195 | 4. Conveying Verbatim Copies.
196 |
197 | You may convey verbatim copies of the Program's source code as you
198 | receive it, in any medium, provided that you conspicuously and
199 | appropriately publish on each copy an appropriate copyright notice;
200 | keep intact all notices stating that this License and any
201 | non-permissive terms added in accord with section 7 apply to the code;
202 | keep intact all notices of the absence of any warranty; and give all
203 | recipients a copy of this License along with the Program.
204 |
205 | You may charge any price or no price for each copy that you convey,
206 | and you may offer support or warranty protection for a fee.
207 |
208 | 5. Conveying Modified Source Versions.
209 |
210 | You may convey a work based on the Program, or the modifications to
211 | produce it from the Program, in the form of source code under the
212 | terms of section 4, provided that you also meet all of these conditions:
213 |
214 | a) The work must carry prominent notices stating that you modified
215 | it, and giving a relevant date.
216 |
217 | b) The work must carry prominent notices stating that it is
218 | released under this License and any conditions added under section
219 | 7. This requirement modifies the requirement in section 4 to
220 | "keep intact all notices".
221 |
222 | c) You must license the entire work, as a whole, under this
223 | License to anyone who comes into possession of a copy. This
224 | License will therefore apply, along with any applicable section 7
225 | additional terms, to the whole of the work, and all its parts,
226 | regardless of how they are packaged. This License gives no
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228 | invalidate such permission if you have separately received it.
229 |
230 | d) If the work has interactive user interfaces, each must display
231 | Appropriate Legal Notices; however, if the Program has interactive
232 | interfaces that do not display Appropriate Legal Notices, your
233 | work need not make them do so.
234 |
235 | A compilation of a covered work with other separate and independent
236 | works, which are not by their nature extensions of the covered work,
237 | and which are not combined with it such as to form a larger program,
238 | in or on a volume of a storage or distribution medium, is called an
239 | "aggregate" if the compilation and its resulting copyright are not
240 | used to limit the access or legal rights of the compilation's users
241 | beyond what the individual works permit. Inclusion of a covered work
242 | in an aggregate does not cause this License to apply to the other
243 | parts of the aggregate.
244 |
245 | 6. Conveying Non-Source Forms.
246 |
247 | You may convey a covered work in object code form under the terms
248 | of sections 4 and 5, provided that you also convey the
249 | machine-readable Corresponding Source under the terms of this License,
250 | in one of these ways:
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252 | a) Convey the object code in, or embodied in, a physical product
253 | (including a physical distribution medium), accompanied by the
254 | Corresponding Source fixed on a durable physical medium
255 | customarily used for software interchange.
256 |
257 | b) Convey the object code in, or embodied in, a physical product
258 | (including a physical distribution medium), accompanied by a
259 | written offer, valid for at least three years and valid for as
260 | long as you offer spare parts or customer support for that product
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262 | copy of the Corresponding Source for all the software in the
263 | product that is covered by this License, on a durable physical
264 | medium customarily used for software interchange, for a price no
265 | more than your reasonable cost of physically performing this
266 | conveying of source, or (2) access to copy the
267 | Corresponding Source from a network server at no charge.
268 |
269 | c) Convey individual copies of the object code with a copy of the
270 | written offer to provide the Corresponding Source. This
271 | alternative is allowed only occasionally and noncommercially, and
272 | only if you received the object code with such an offer, in accord
273 | with subsection 6b.
274 |
275 | d) Convey the object code by offering access from a designated
276 | place (gratis or for a charge), and offer equivalent access to the
277 | Corresponding Source in the same way through the same place at no
278 | further charge. You need not require recipients to copy the
279 | Corresponding Source along with the object code. If the place to
280 | copy the object code is a network server, the Corresponding Source
281 | may be on a different server (operated by you or a third party)
282 | that supports equivalent copying facilities, provided you maintain
283 | clear directions next to the object code saying where to find the
284 | Corresponding Source. Regardless of what server hosts the
285 | Corresponding Source, you remain obligated to ensure that it is
286 | available for as long as needed to satisfy these requirements.
287 |
288 | e) Convey the object code using peer-to-peer transmission, provided
289 | you inform other peers where the object code and Corresponding
290 | Source of the work are being offered to the general public at no
291 | charge under subsection 6d.
292 |
293 | A separable portion of the object code, whose source code is excluded
294 | from the Corresponding Source as a System Library, need not be
295 | included in conveying the object code work.
296 |
297 | A "User Product" is either (1) a "consumer product", which means any
298 | tangible personal property which is normally used for personal, family,
299 | or household purposes, or (2) anything designed or sold for incorporation
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302 | product received by a particular user, "normally used" refers to a
303 | typical or common use of that class of product, regardless of the status
304 | of the particular user or of the way in which the particular user
305 | actually uses, or expects or is expected to use, the product. A product
306 | is a consumer product regardless of whether the product has substantial
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308 | the only significant mode of use of the product.
309 |
310 | "Installation Information" for a User Product means any methods,
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312 | and execute modified versions of a covered work in that User Product from
313 | a modified version of its Corresponding Source. The information must
314 | suffice to ensure that the continued functioning of the modified object
315 | code is in no case prevented or interfered with solely because
316 | modification has been made.
317 |
318 | If you convey an object code work under this section in, or with, or
319 | specifically for use in, a User Product, and the conveying occurs as
320 | part of a transaction in which the right of possession and use of the
321 | User Product is transferred to the recipient in perpetuity or for a
322 | fixed term (regardless of how the transaction is characterized), the
323 | Corresponding Source conveyed under this section must be accompanied
324 | by the Installation Information. But this requirement does not apply
325 | if neither you nor any third party retains the ability to install
326 | modified object code on the User Product (for example, the work has
327 | been installed in ROM).
328 |
329 | The requirement to provide Installation Information does not include a
330 | requirement to continue to provide support service, warranty, or updates
331 | for a work that has been modified or installed by the recipient, or for
332 | the User Product in which it has been modified or installed. Access to a
333 | network may be denied when the modification itself materially and
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335 | protocols for communication across the network.
336 |
337 | Corresponding Source conveyed, and Installation Information provided,
338 | in accord with this section must be in a format that is publicly
339 | documented (and with an implementation available to the public in
340 | source code form), and must require no special password or key for
341 | unpacking, reading or copying.
342 |
343 | 7. Additional Terms.
344 |
345 | "Additional permissions" are terms that supplement the terms of this
346 | License by making exceptions from one or more of its conditions.
347 | Additional permissions that are applicable to the entire Program shall
348 | be treated as though they were included in this License, to the extent
349 | that they are valid under applicable law. If additional permissions
350 | apply only to part of the Program, that part may be used separately
351 | under those permissions, but the entire Program remains governed by
352 | this License without regard to the additional permissions.
353 |
354 | When you convey a copy of a covered work, you may at your option
355 | remove any additional permissions from that copy, or from any part of
356 | it. (Additional permissions may be written to require their own
357 | removal in certain cases when you modify the work.) You may place
358 | additional permissions on material, added by you to a covered work,
359 | for which you have or can give appropriate copyright permission.
360 |
361 | Notwithstanding any other provision of this License, for material you
362 | add to a covered work, you may (if authorized by the copyright holders of
363 | that material) supplement the terms of this License with terms:
364 |
365 | a) Disclaiming warranty or limiting liability differently from the
366 | terms of sections 15 and 16 of this License; or
367 |
368 | b) Requiring preservation of specified reasonable legal notices or
369 | author attributions in that material or in the Appropriate Legal
370 | Notices displayed by works containing it; or
371 |
372 | c) Prohibiting misrepresentation of the origin of that material, or
373 | requiring that modified versions of such material be marked in
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375 |
376 | d) Limiting the use for publicity purposes of names of licensors or
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379 | e) Declining to grant rights under trademark law for use of some
380 | trade names, trademarks, or service marks; or
381 |
382 | f) Requiring indemnification of licensors and authors of that
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384 | it) with contractual assumptions of liability to the recipient, for
385 | any liability that these contractual assumptions directly impose on
386 | those licensors and authors.
387 |
388 | All other non-permissive additional terms are considered "further
389 | restrictions" within the meaning of section 10. If the Program as you
390 | received it, or any part of it, contains a notice stating that it is
391 | governed by this License along with a term that is a further
392 | restriction, you may remove that term. If a license document contains
393 | a further restriction but permits relicensing or conveying under this
394 | License, you may add to a covered work material governed by the terms
395 | of that license document, provided that the further restriction does
396 | not survive such relicensing or conveying.
397 |
398 | If you add terms to a covered work in accord with this section, you
399 | must place, in the relevant source files, a statement of the
400 | additional terms that apply to those files, or a notice indicating
401 | where to find the applicable terms.
402 |
403 | Additional terms, permissive or non-permissive, may be stated in the
404 | form of a separately written license, or stated as exceptions;
405 | the above requirements apply either way.
406 |
407 | 8. Termination.
408 |
409 | You may not propagate or modify a covered work except as expressly
410 | provided under this License. Any attempt otherwise to propagate or
411 | modify it is void, and will automatically terminate your rights under
412 | this License (including any patent licenses granted under the third
413 | paragraph of section 11).
414 |
415 | However, if you cease all violation of this License, then your
416 | license from a particular copyright holder is reinstated (a)
417 | provisionally, unless and until the copyright holder explicitly and
418 | finally terminates your license, and (b) permanently, if the copyright
419 | holder fails to notify you of the violation by some reasonable means
420 | prior to 60 days after the cessation.
421 |
422 | Moreover, your license from a particular copyright holder is
423 | reinstated permanently if the copyright holder notifies you of the
424 | violation by some reasonable means, this is the first time you have
425 | received notice of violation of this License (for any work) from that
426 | copyright holder, and you cure the violation prior to 30 days after
427 | your receipt of the notice.
428 |
429 | Termination of your rights under this section does not terminate the
430 | licenses of parties who have received copies or rights from you under
431 | this License. If your rights have been terminated and not permanently
432 | reinstated, you do not qualify to receive new licenses for the same
433 | material under section 10.
434 |
435 | 9. Acceptance Not Required for Having Copies.
436 |
437 | You are not required to accept this License in order to receive or
438 | run a copy of the Program. Ancillary propagation of a covered work
439 | occurring solely as a consequence of using peer-to-peer transmission
440 | to receive a copy likewise does not require acceptance. However,
441 | nothing other than this License grants you permission to propagate or
442 | modify any covered work. These actions infringe copyright if you do
443 | not accept this License. Therefore, by modifying or propagating a
444 | covered work, you indicate your acceptance of this License to do so.
445 |
446 | 10. Automatic Licensing of Downstream Recipients.
447 |
448 | Each time you convey a covered work, the recipient automatically
449 | receives a license from the original licensors, to run, modify and
450 | propagate that work, subject to this License. You are not responsible
451 | for enforcing compliance by third parties with this License.
452 |
453 | An "entity transaction" is a transaction transferring control of an
454 | organization, or substantially all assets of one, or subdividing an
455 | organization, or merging organizations. If propagation of a covered
456 | work results from an entity transaction, each party to that
457 | transaction who receives a copy of the work also receives whatever
458 | licenses to the work the party's predecessor in interest had or could
459 | give under the previous paragraph, plus a right to possession of the
460 | Corresponding Source of the work from the predecessor in interest, if
461 | the predecessor has it or can get it with reasonable efforts.
462 |
463 | You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License. For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 |
471 | 11. Patents.
472 |
473 | A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based. The
475 | work thus licensed is called the contributor's "contributor version".
476 |
477 | A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version. For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 |
487 | Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 |
492 | In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement). To "grant" such a patent license to a
496 | party means to make such an agreement or commitment not to enforce a
497 | patent against the party.
498 |
499 | If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
501 | to copy, free of charge and under the terms of this License, through a
502 | publicly available network server or other readily accessible means,
503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients. "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 |
513 | If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
517 | or convey a specific copy of the covered work, then the patent license
518 | you grant is automatically extended to all recipients of the covered
519 | work and works based on it.
520 |
521 | A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License. You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 |
536 | Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 |
540 | 12. No Surrender of Others' Freedom.
541 |
542 | If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License. If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all. For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 |
552 | 13. Use with the GNU Affero General Public License.
553 |
554 | Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work. The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 |
563 | 14. Revised Versions of this License.
564 |
565 | The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time. Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 |
570 | Each version is given a distinguishing version number. If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation. If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 |
579 | If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 |
584 | Later license versions may give you additional or different
585 | permissions. However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 |
589 | 15. Disclaimer of Warranty.
590 |
591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 |
600 | 16. Limitation of Liability.
601 |
602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 |
612 | 17. Interpretation of Sections 15 and 16.
613 |
614 | If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 |
621 | END OF TERMS AND CONDITIONS
622 |
623 | How to Apply These Terms to Your New Programs
624 |
625 | If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 |
629 | To do so, attach the following notices to the program. It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 |
634 | {one line to give the program's name and a brief idea of what it does.}
635 | Copyright (C) {year} {name of author}
636 |
637 | This program is free software: you can redistribute it and/or modify
638 | it under the terms of the GNU General Public License as published by
639 | the Free Software Foundation, either version 3 of the License, or
640 | (at your option) any later version.
641 |
642 | This program is distributed in the hope that it will be useful,
643 | but WITHOUT ANY WARRANTY; without even the implied warranty of
644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
645 | GNU General Public License for more details.
646 |
647 | You should have received a copy of the GNU General Public License
648 | along with this program. If not, see .
649 |
650 | Also add information on how to contact you by electronic and paper mail.
651 |
652 | If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 |
655 | {project} Copyright (C) {year} {fullname}
656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 | This is free software, and you are welcome to redistribute it
658 | under certain conditions; type `show c' for details.
659 |
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License. Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 |
664 | You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | .
668 |
669 | The GNU General Public License does not permit incorporating your program
670 | into proprietary programs. If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library. If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License. But first, please read
674 | .
675 |
--------------------------------------------------------------------------------
/circleci/LICENSE:
--------------------------------------------------------------------------------
1 | GNU GENERAL PUBLIC LICENSE
2 | Version 3, 29 June 2007
3 |
4 | Copyright (C) 2007 Free Software Foundation, Inc.
5 | Everyone is permitted to copy and distribute verbatim copies
6 | of this license document, but changing it is not allowed.
7 |
8 | Preamble
9 |
10 | The GNU General Public License is a free, copyleft license for
11 | software and other kinds of works.
12 |
13 | The licenses for most software and other practical works are designed
14 | to take away your freedom to share and change the works. By contrast,
15 | the GNU General Public License is intended to guarantee your freedom to
16 | share and change all versions of a program--to make sure it remains free
17 | software for all its users. We, the Free Software Foundation, use the
18 | GNU General Public License for most of our software; it applies also to
19 | any other work released this way by its authors. You can apply it to
20 | your programs, too.
21 |
22 | When we speak of free software, we are referring to freedom, not
23 | price. Our General Public Licenses are designed to make sure that you
24 | have the freedom to distribute copies of free software (and charge for
25 | them if you wish), that you receive source code or can get it if you
26 | want it, that you can change the software or use pieces of it in new
27 | free programs, and that you know you can do these things.
28 |
29 | To protect your rights, we need to prevent others from denying you
30 | these rights or asking you to surrender the rights. Therefore, you have
31 | certain responsibilities if you distribute copies of the software, or if
32 | you modify it: responsibilities to respect the freedom of others.
33 |
34 | For example, if you distribute copies of such a program, whether
35 | gratis or for a fee, you must pass on to the recipients the same
36 | freedoms that you received. You must make sure that they, too, receive
37 | or can get the source code. And you must show them these terms so they
38 | know their rights.
39 |
40 | Developers that use the GNU GPL protect your rights with two steps:
41 | (1) assert copyright on the software, and (2) offer you this License
42 | giving you legal permission to copy, distribute and/or modify it.
43 |
44 | For the developers' and authors' protection, the GPL clearly explains
45 | that there is no warranty for this free software. For both users' and
46 | authors' sake, the GPL requires that modified versions be marked as
47 | changed, so that their problems will not be attributed erroneously to
48 | authors of previous versions.
49 |
50 | Some devices are designed to deny users access to install or run
51 | modified versions of the software inside them, although the manufacturer
52 | can do so. This is fundamentally incompatible with the aim of
53 | protecting users' freedom to change the software. The systematic
54 | pattern of such abuse occurs in the area of products for individuals to
55 | use, which is precisely where it is most unacceptable. Therefore, we
56 | have designed this version of the GPL to prohibit the practice for those
57 | products. If such problems arise substantially in other domains, we
58 | stand ready to extend this provision to those domains in future versions
59 | of the GPL, as needed to protect the freedom of users.
60 |
61 | Finally, every program is threatened constantly by software patents.
62 | States should not allow patents to restrict development and use of
63 | software on general-purpose computers, but in those that do, we wish to
64 | avoid the special danger that patents applied to a free program could
65 | make it effectively proprietary. To prevent this, the GPL assures that
66 | patents cannot be used to render the program non-free.
67 |
68 | The precise terms and conditions for copying, distribution and
69 | modification follow.
70 |
71 | TERMS AND CONDITIONS
72 |
73 | 0. Definitions.
74 |
75 | "This License" refers to version 3 of the GNU General Public License.
76 |
77 | "Copyright" also means copyright-like laws that apply to other kinds of
78 | works, such as semiconductor masks.
79 |
80 | "The Program" refers to any copyrightable work licensed under this
81 | License. Each licensee is addressed as "you". "Licensees" and
82 | "recipients" may be individuals or organizations.
83 |
84 | To "modify" a work means to copy from or adapt all or part of the work
85 | in a fashion requiring copyright permission, other than the making of an
86 | exact copy. The resulting work is called a "modified version" of the
87 | earlier work or a work "based on" the earlier work.
88 |
89 | A "covered work" means either the unmodified Program or a work based
90 | on the Program.
91 |
92 | To "propagate" a work means to do anything with it that, without
93 | permission, would make you directly or secondarily liable for
94 | infringement under applicable copyright law, except executing it on a
95 | computer or modifying a private copy. Propagation includes copying,
96 | distribution (with or without modification), making available to the
97 | public, and in some countries other activities as well.
98 |
99 | To "convey" a work means any kind of propagation that enables other
100 | parties to make or receive copies. Mere interaction with a user through
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102 |
103 | An interactive user interface displays "Appropriate Legal Notices"
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105 | feature that (1) displays an appropriate copyright notice, and (2)
106 | tells the user that there is no warranty for the work (except to the
107 | extent that warranties are provided), that licensees may convey the
108 | work under this License, and how to view a copy of this License. If
109 | the interface presents a list of user commands or options, such as a
110 | menu, a prominent item in the list meets this criterion.
111 |
112 | 1. Source Code.
113 |
114 | The "source code" for a work means the preferred form of the work
115 | for making modifications to it. "Object code" means any non-source
116 | form of a work.
117 |
118 | A "Standard Interface" means an interface that either is an official
119 | standard defined by a recognized standards body, or, in the case of
120 | interfaces specified for a particular programming language, one that
121 | is widely used among developers working in that language.
122 |
123 | The "System Libraries" of an executable work include anything, other
124 | than the work as a whole, that (a) is included in the normal form of
125 | packaging a Major Component, but which is not part of that Major
126 | Component, and (b) serves only to enable use of the work with that
127 | Major Component, or to implement a Standard Interface for which an
128 | implementation is available to the public in source code form. A
129 | "Major Component", in this context, means a major essential component
130 | (kernel, window system, and so on) of the specific operating system
131 | (if any) on which the executable work runs, or a compiler used to
132 | produce the work, or an object code interpreter used to run it.
133 |
134 | The "Corresponding Source" for a work in object code form means all
135 | the source code needed to generate, install, and (for an executable
136 | work) run the object code and to modify the work, including scripts to
137 | control those activities. However, it does not include the work's
138 | System Libraries, or general-purpose tools or generally available free
139 | programs which are used unmodified in performing those activities but
140 | which are not part of the work. For example, Corresponding Source
141 | includes interface definition files associated with source files for
142 | the work, and the source code for shared libraries and dynamically
143 | linked subprograms that the work is specifically designed to require,
144 | such as by intimate data communication or control flow between those
145 | subprograms and other parts of the work.
146 |
147 | The Corresponding Source need not include anything that users
148 | can regenerate automatically from other parts of the Corresponding
149 | Source.
150 |
151 | The Corresponding Source for a work in source code form is that
152 | same work.
153 |
154 | 2. Basic Permissions.
155 |
156 | All rights granted under this License are granted for the term of
157 | copyright on the Program, and are irrevocable provided the stated
158 | conditions are met. This License explicitly affirms your unlimited
159 | permission to run the unmodified Program. The output from running a
160 | covered work is covered by this License only if the output, given its
161 | content, constitutes a covered work. This License acknowledges your
162 | rights of fair use or other equivalent, as provided by copyright law.
163 |
164 | You may make, run and propagate covered works that you do not
165 | convey, without conditions so long as your license otherwise remains
166 | in force. You may convey covered works to others for the sole purpose
167 | of having them make modifications exclusively for you, or provide you
168 | with facilities for running those works, provided that you comply with
169 | the terms of this License in conveying all material for which you do
170 | not control copyright. Those thus making or running the covered works
171 | for you must do so exclusively on your behalf, under your direction
172 | and control, on terms that prohibit them from making any copies of
173 | your copyrighted material outside their relationship with you.
174 |
175 | Conveying under any other circumstances is permitted solely under
176 | the conditions stated below. Sublicensing is not allowed; section 10
177 | makes it unnecessary.
178 |
179 | 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
180 |
181 | No covered work shall be deemed part of an effective technological
182 | measure under any applicable law fulfilling obligations under article
183 | 11 of the WIPO copyright treaty adopted on 20 December 1996, or
184 | similar laws prohibiting or restricting circumvention of such
185 | measures.
186 |
187 | When you convey a covered work, you waive any legal power to forbid
188 | circumvention of technological measures to the extent such circumvention
189 | is effected by exercising rights under this License with respect to
190 | the covered work, and you disclaim any intention to limit operation or
191 | modification of the work as a means of enforcing, against the work's
192 | users, your or third parties' legal rights to forbid circumvention of
193 | technological measures.
194 |
195 | 4. Conveying Verbatim Copies.
196 |
197 | You may convey verbatim copies of the Program's source code as you
198 | receive it, in any medium, provided that you conspicuously and
199 | appropriately publish on each copy an appropriate copyright notice;
200 | keep intact all notices stating that this License and any
201 | non-permissive terms added in accord with section 7 apply to the code;
202 | keep intact all notices of the absence of any warranty; and give all
203 | recipients a copy of this License along with the Program.
204 |
205 | You may charge any price or no price for each copy that you convey,
206 | and you may offer support or warranty protection for a fee.
207 |
208 | 5. Conveying Modified Source Versions.
209 |
210 | You may convey a work based on the Program, or the modifications to
211 | produce it from the Program, in the form of source code under the
212 | terms of section 4, provided that you also meet all of these conditions:
213 |
214 | a) The work must carry prominent notices stating that you modified
215 | it, and giving a relevant date.
216 |
217 | b) The work must carry prominent notices stating that it is
218 | released under this License and any conditions added under section
219 | 7. This requirement modifies the requirement in section 4 to
220 | "keep intact all notices".
221 |
222 | c) You must license the entire work, as a whole, under this
223 | License to anyone who comes into possession of a copy. This
224 | License will therefore apply, along with any applicable section 7
225 | additional terms, to the whole of the work, and all its parts,
226 | regardless of how they are packaged. This License gives no
227 | permission to license the work in any other way, but it does not
228 | invalidate such permission if you have separately received it.
229 |
230 | d) If the work has interactive user interfaces, each must display
231 | Appropriate Legal Notices; however, if the Program has interactive
232 | interfaces that do not display Appropriate Legal Notices, your
233 | work need not make them do so.
234 |
235 | A compilation of a covered work with other separate and independent
236 | works, which are not by their nature extensions of the covered work,
237 | and which are not combined with it such as to form a larger program,
238 | in or on a volume of a storage or distribution medium, is called an
239 | "aggregate" if the compilation and its resulting copyright are not
240 | used to limit the access or legal rights of the compilation's users
241 | beyond what the individual works permit. Inclusion of a covered work
242 | in an aggregate does not cause this License to apply to the other
243 | parts of the aggregate.
244 |
245 | 6. Conveying Non-Source Forms.
246 |
247 | You may convey a covered work in object code form under the terms
248 | of sections 4 and 5, provided that you also convey the
249 | machine-readable Corresponding Source under the terms of this License,
250 | in one of these ways:
251 |
252 | a) Convey the object code in, or embodied in, a physical product
253 | (including a physical distribution medium), accompanied by the
254 | Corresponding Source fixed on a durable physical medium
255 | customarily used for software interchange.
256 |
257 | b) Convey the object code in, or embodied in, a physical product
258 | (including a physical distribution medium), accompanied by a
259 | written offer, valid for at least three years and valid for as
260 | long as you offer spare parts or customer support for that product
261 | model, to give anyone who possesses the object code either (1) a
262 | copy of the Corresponding Source for all the software in the
263 | product that is covered by this License, on a durable physical
264 | medium customarily used for software interchange, for a price no
265 | more than your reasonable cost of physically performing this
266 | conveying of source, or (2) access to copy the
267 | Corresponding Source from a network server at no charge.
268 |
269 | c) Convey individual copies of the object code with a copy of the
270 | written offer to provide the Corresponding Source. This
271 | alternative is allowed only occasionally and noncommercially, and
272 | only if you received the object code with such an offer, in accord
273 | with subsection 6b.
274 |
275 | d) Convey the object code by offering access from a designated
276 | place (gratis or for a charge), and offer equivalent access to the
277 | Corresponding Source in the same way through the same place at no
278 | further charge. You need not require recipients to copy the
279 | Corresponding Source along with the object code. If the place to
280 | copy the object code is a network server, the Corresponding Source
281 | may be on a different server (operated by you or a third party)
282 | that supports equivalent copying facilities, provided you maintain
283 | clear directions next to the object code saying where to find the
284 | Corresponding Source. Regardless of what server hosts the
285 | Corresponding Source, you remain obligated to ensure that it is
286 | available for as long as needed to satisfy these requirements.
287 |
288 | e) Convey the object code using peer-to-peer transmission, provided
289 | you inform other peers where the object code and Corresponding
290 | Source of the work are being offered to the general public at no
291 | charge under subsection 6d.
292 |
293 | A separable portion of the object code, whose source code is excluded
294 | from the Corresponding Source as a System Library, need not be
295 | included in conveying the object code work.
296 |
297 | A "User Product" is either (1) a "consumer product", which means any
298 | tangible personal property which is normally used for personal, family,
299 | or household purposes, or (2) anything designed or sold for incorporation
300 | into a dwelling. In determining whether a product is a consumer product,
301 | doubtful cases shall be resolved in favor of coverage. For a particular
302 | product received by a particular user, "normally used" refers to a
303 | typical or common use of that class of product, regardless of the status
304 | of the particular user or of the way in which the particular user
305 | actually uses, or expects or is expected to use, the product. A product
306 | is a consumer product regardless of whether the product has substantial
307 | commercial, industrial or non-consumer uses, unless such uses represent
308 | the only significant mode of use of the product.
309 |
310 | "Installation Information" for a User Product means any methods,
311 | procedures, authorization keys, or other information required to install
312 | and execute modified versions of a covered work in that User Product from
313 | a modified version of its Corresponding Source. The information must
314 | suffice to ensure that the continued functioning of the modified object
315 | code is in no case prevented or interfered with solely because
316 | modification has been made.
317 |
318 | If you convey an object code work under this section in, or with, or
319 | specifically for use in, a User Product, and the conveying occurs as
320 | part of a transaction in which the right of possession and use of the
321 | User Product is transferred to the recipient in perpetuity or for a
322 | fixed term (regardless of how the transaction is characterized), the
323 | Corresponding Source conveyed under this section must be accompanied
324 | by the Installation Information. But this requirement does not apply
325 | if neither you nor any third party retains the ability to install
326 | modified object code on the User Product (for example, the work has
327 | been installed in ROM).
328 |
329 | The requirement to provide Installation Information does not include a
330 | requirement to continue to provide support service, warranty, or updates
331 | for a work that has been modified or installed by the recipient, or for
332 | the User Product in which it has been modified or installed. Access to a
333 | network may be denied when the modification itself materially and
334 | adversely affects the operation of the network or violates the rules and
335 | protocols for communication across the network.
336 |
337 | Corresponding Source conveyed, and Installation Information provided,
338 | in accord with this section must be in a format that is publicly
339 | documented (and with an implementation available to the public in
340 | source code form), and must require no special password or key for
341 | unpacking, reading or copying.
342 |
343 | 7. Additional Terms.
344 |
345 | "Additional permissions" are terms that supplement the terms of this
346 | License by making exceptions from one or more of its conditions.
347 | Additional permissions that are applicable to the entire Program shall
348 | be treated as though they were included in this License, to the extent
349 | that they are valid under applicable law. If additional permissions
350 | apply only to part of the Program, that part may be used separately
351 | under those permissions, but the entire Program remains governed by
352 | this License without regard to the additional permissions.
353 |
354 | When you convey a copy of a covered work, you may at your option
355 | remove any additional permissions from that copy, or from any part of
356 | it. (Additional permissions may be written to require their own
357 | removal in certain cases when you modify the work.) You may place
358 | additional permissions on material, added by you to a covered work,
359 | for which you have or can give appropriate copyright permission.
360 |
361 | Notwithstanding any other provision of this License, for material you
362 | add to a covered work, you may (if authorized by the copyright holders of
363 | that material) supplement the terms of this License with terms:
364 |
365 | a) Disclaiming warranty or limiting liability differently from the
366 | terms of sections 15 and 16 of this License; or
367 |
368 | b) Requiring preservation of specified reasonable legal notices or
369 | author attributions in that material or in the Appropriate Legal
370 | Notices displayed by works containing it; or
371 |
372 | c) Prohibiting misrepresentation of the origin of that material, or
373 | requiring that modified versions of such material be marked in
374 | reasonable ways as different from the original version; or
375 |
376 | d) Limiting the use for publicity purposes of names of licensors or
377 | authors of the material; or
378 |
379 | e) Declining to grant rights under trademark law for use of some
380 | trade names, trademarks, or service marks; or
381 |
382 | f) Requiring indemnification of licensors and authors of that
383 | material by anyone who conveys the material (or modified versions of
384 | it) with contractual assumptions of liability to the recipient, for
385 | any liability that these contractual assumptions directly impose on
386 | those licensors and authors.
387 |
388 | All other non-permissive additional terms are considered "further
389 | restrictions" within the meaning of section 10. If the Program as you
390 | received it, or any part of it, contains a notice stating that it is
391 | governed by this License along with a term that is a further
392 | restriction, you may remove that term. If a license document contains
393 | a further restriction but permits relicensing or conveying under this
394 | License, you may add to a covered work material governed by the terms
395 | of that license document, provided that the further restriction does
396 | not survive such relicensing or conveying.
397 |
398 | If you add terms to a covered work in accord with this section, you
399 | must place, in the relevant source files, a statement of the
400 | additional terms that apply to those files, or a notice indicating
401 | where to find the applicable terms.
402 |
403 | Additional terms, permissive or non-permissive, may be stated in the
404 | form of a separately written license, or stated as exceptions;
405 | the above requirements apply either way.
406 |
407 | 8. Termination.
408 |
409 | You may not propagate or modify a covered work except as expressly
410 | provided under this License. Any attempt otherwise to propagate or
411 | modify it is void, and will automatically terminate your rights under
412 | this License (including any patent licenses granted under the third
413 | paragraph of section 11).
414 |
415 | However, if you cease all violation of this License, then your
416 | license from a particular copyright holder is reinstated (a)
417 | provisionally, unless and until the copyright holder explicitly and
418 | finally terminates your license, and (b) permanently, if the copyright
419 | holder fails to notify you of the violation by some reasonable means
420 | prior to 60 days after the cessation.
421 |
422 | Moreover, your license from a particular copyright holder is
423 | reinstated permanently if the copyright holder notifies you of the
424 | violation by some reasonable means, this is the first time you have
425 | received notice of violation of this License (for any work) from that
426 | copyright holder, and you cure the violation prior to 30 days after
427 | your receipt of the notice.
428 |
429 | Termination of your rights under this section does not terminate the
430 | licenses of parties who have received copies or rights from you under
431 | this License. If your rights have been terminated and not permanently
432 | reinstated, you do not qualify to receive new licenses for the same
433 | material under section 10.
434 |
435 | 9. Acceptance Not Required for Having Copies.
436 |
437 | You are not required to accept this License in order to receive or
438 | run a copy of the Program. Ancillary propagation of a covered work
439 | occurring solely as a consequence of using peer-to-peer transmission
440 | to receive a copy likewise does not require acceptance. However,
441 | nothing other than this License grants you permission to propagate or
442 | modify any covered work. These actions infringe copyright if you do
443 | not accept this License. Therefore, by modifying or propagating a
444 | covered work, you indicate your acceptance of this License to do so.
445 |
446 | 10. Automatic Licensing of Downstream Recipients.
447 |
448 | Each time you convey a covered work, the recipient automatically
449 | receives a license from the original licensors, to run, modify and
450 | propagate that work, subject to this License. You are not responsible
451 | for enforcing compliance by third parties with this License.
452 |
453 | An "entity transaction" is a transaction transferring control of an
454 | organization, or substantially all assets of one, or subdividing an
455 | organization, or merging organizations. If propagation of a covered
456 | work results from an entity transaction, each party to that
457 | transaction who receives a copy of the work also receives whatever
458 | licenses to the work the party's predecessor in interest had or could
459 | give under the previous paragraph, plus a right to possession of the
460 | Corresponding Source of the work from the predecessor in interest, if
461 | the predecessor has it or can get it with reasonable efforts.
462 |
463 | You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License. For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 |
471 | 11. Patents.
472 |
473 | A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based. The
475 | work thus licensed is called the contributor's "contributor version".
476 |
477 | A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version. For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 |
487 | Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 |
492 | In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement). To "grant" such a patent license to a
496 | party means to make such an agreement or commitment not to enforce a
497 | patent against the party.
498 |
499 | If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
501 | to copy, free of charge and under the terms of this License, through a
502 | publicly available network server or other readily accessible means,
503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients. "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 |
513 | If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
517 | or convey a specific copy of the covered work, then the patent license
518 | you grant is automatically extended to all recipients of the covered
519 | work and works based on it.
520 |
521 | A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License. You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 |
536 | Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 |
540 | 12. No Surrender of Others' Freedom.
541 |
542 | If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License. If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all. For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 |
552 | 13. Use with the GNU Affero General Public License.
553 |
554 | Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work. The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 |
563 | 14. Revised Versions of this License.
564 |
565 | The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time. Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 |
570 | Each version is given a distinguishing version number. If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation. If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 |
579 | If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 |
584 | Later license versions may give you additional or different
585 | permissions. However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 |
589 | 15. Disclaimer of Warranty.
590 |
591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 |
600 | 16. Limitation of Liability.
601 |
602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 |
612 | 17. Interpretation of Sections 15 and 16.
613 |
614 | If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 |
621 | END OF TERMS AND CONDITIONS
622 |
623 | How to Apply These Terms to Your New Programs
624 |
625 | If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 |
629 | To do so, attach the following notices to the program. It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 |
634 | {one line to give the program's name and a brief idea of what it does.}
635 | Copyright (C) {year} {name of author}
636 |
637 | This program is free software: you can redistribute it and/or modify
638 | it under the terms of the GNU General Public License as published by
639 | the Free Software Foundation, either version 3 of the License, or
640 | (at your option) any later version.
641 |
642 | This program is distributed in the hope that it will be useful,
643 | but WITHOUT ANY WARRANTY; without even the implied warranty of
644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
645 | GNU General Public License for more details.
646 |
647 | You should have received a copy of the GNU General Public License
648 | along with this program. If not, see .
649 |
650 | Also add information on how to contact you by electronic and paper mail.
651 |
652 | If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 |
655 | {project} Copyright (C) {year} {fullname}
656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 | This is free software, and you are welcome to redistribute it
658 | under certain conditions; type `show c' for details.
659 |
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License. Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 |
664 | You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | .
668 |
669 | The GNU General Public License does not permit incorporating your program
670 | into proprietary programs. If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library. If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License. But first, please read
674 | .
675 |
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