├── .gitignore ├── LICENSE ├── README.md ├── cm ├── files ├── bash_scripts │ └── monitor_automatic_updates_status.sh └── templates │ ├── Dashboard │ └── svc_dashboard.yml.j2 │ ├── Datadog │ └── ds_datadog.yml.j2 │ ├── MetalLB │ └── cm_metallb.yml.j2 │ ├── NFS │ ├── cr_nfs_provisioner.yml.j2 │ ├── crb_nfs_provisioner.yml.j2 │ ├── dep_nfs_provisioner.yml.j2 │ ├── ns_nfs_provisioner.yml.j2 │ ├── rb_nfs_provisioner.yml.j2 │ ├── role_nfs_provisioner.yml.j2 │ ├── sa_nfs_provisioner.yml.j2 │ └── sc_nfs_provisioner.yml.j2 │ ├── NGINX-Ingress │ └── svc_nginx_ingress_controller.yml.j2 │ └── Service_Account │ ├── rb_personal.yml.j2 │ └── sa_personal.yml.j2 ├── inventory.ini ├── playbooks ├── main │ ├── bootstrap_kubernetes.yml │ ├── deploy_qcow2_vms.yml │ └── install_base_packages.yml └── optional │ ├── delete_all_resources.yml │ ├── deploy_dashboard.yml │ ├── deploy_datadog_agents.yml │ ├── deploy_ingress_controller.yml │ ├── deploy_metallb.yml │ ├── deploy_nfs_provisioner.yml │ └── enable_unattended_upgrades.yml ├── screenshot.png ├── site.yml └── vars.yml /.gitignore: -------------------------------------------------------------------------------- 1 | *.un~ 2 | *.retry 3 | -------------------------------------------------------------------------------- /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. 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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 | 635 | Copyright (C) 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 | Copyright (C) 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 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # RETIREMENT NOTICE 2 | 3 | This project has been retired in favor of [TKS](https://github.com/zimmertr/TKS). It will no longer be updated. 4 | 5 |
6 | 7 | 8 | # TKS (TJ's Kubernetes Service) 9 | 10 |

11 | 12 |

13 | 14 | ## Summary 15 | Declaratively build a 4 node Kubernetes cluster on Proxmox using Ansible and QEMU. Optionally enable advanced features including ingress, load balancing, unattended upgrades, the Dashboard, etc. 16 | 17 | **Approximate deployment time:** 25 minutes 18 | 19 | 20 | ## Requirements 21 | 1. Proxmox server 22 | 2. DNS Server* 23 | 3. Ansible 2.7.0+. Known incompatibility with a previous build. 24 | *A DNS server is not technically required, it is possible to manually add entries corresponding to your node hostnames to your Proxmox's hosts file. 25 | 26 | 27 | ## Instructions 28 | **Required:** 29 | 30 | 1. Modify the `vars.yml` file with values specific to your environment. 31 | 2. Provision DNS A records for the IP Addresses & Hostnames you defined for your nodes in the `vars.yml` file. 32 | 3. Modify the `inventory.ini` file to reflect your chosen DNS records and the location of the SSH keys used to connect to the nodes. 33 | 4. Run the deployment: `ansible-playbook -i inventory.ini site.yml` 34 | 5. After deployment, a `~/.kube` directory will be created on your workstation. You can use the `config` file within to interact with your cluster. 35 | 36 | **Optional:** 37 | 38 | *To enable an optional feature, fill in the additional parameters in `vars.yml` and execute a playbook listed below.* 39 | 40 | | Feature | Command | Requirements | 41 | | ------- | ------- | ------------ | 42 | | [Kubernetes Dashboard](https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/) | `ansible-playbook -i inventory.ini playbooks/optional/deploy_dashboard.yml` | | 43 | | [NFS backed persistent storage](https://github.com/kubernetes-incubator/external-storage/tree/master/nfs-client) | `ansible-playbook -i inventory.ini playbooks/optional/deploy_nfs_provisioner.yml` | | 44 | | [MetalLB Load Balancer](https://metallb.universe.tf) | `ansible-playbook -i inventory.ini playbooks/optional/deploy_metallb.yml` | | 45 | | [NGINX Ingress Controller](https://github.com/kubernetes/ingress-nginx) | `ansible-playbook -i inventory.ini playbooks/optional/deploy_ingress-nginx.yml` | [MetalLB](https://metallb.universe.tf/) or other Load Balancer integration | 46 | | [DataDog agents](https://docs.datadoghq.com/integrations/kubernetes/) | `ansible-playbook -i inventory.ini playbooks/optional/deploy_datadog.yml` | | 47 | | [Unattended Upgrades](https://wiki.debian.org/UnattendedUpgrades) | `ansible-playbook -i inventory.ini playbooks/optional/enable_unattended_upgrades.yml` | | 48 | 49 | 50 | ## Tips 51 | 1. You can rollback the entire deployment with: `ansible-playbook -i inventory.ini playbooks/optional/delete_all_resources.yml` 52 | 2. If Calico isn't deploying correctly it's likely the CIDR you assigned to it in `vars.yml` conflicts with your network. 53 | 3. [There appears to be an issue](https://forum.proxmox.com/threads/has-cloud-init-been-changed-between-5-3-and-6-0.56175/) with Proxmox's `cloud-init` implementation. Perhaps just with Debian? As a result, your VM might not have the correct information in `/etc/resolv.conf` and may also have multiple IP Addresses assigned to the `eth0` network interfaces. Furthermore, if you do not have a DHCP server active in the network that you are provisoning the VMs to, it is entirely possible that nothing will be present at all in `/etc/resolv.conf`. 54 | 4. See [this repository](https://github.com/zimmertr/Bootstrap-Kubernetes-with-LXC) to do this with LXC instead. Benefits of using LXC include: 55 | ``` 56 | * No virtualization overhead means better performance 57 | * Ability to directly mount volumes from your server into your containers. 58 | ``` 59 | 60 | 61 | ## TODO 62 | 1. Add better support for multi-node Proxmox clusters. 63 | 2. Perform security audit and enhance if necessary. 64 | 3. Add info to README about updating inventory file and how to handle SSH key generation and propegation. 65 | 4. Create playbook to upgrade kubernetes version for kubeadm cluster. 66 | 67 | 68 | ## Problems 69 | 1. The `proxmox_kvm` module is out of date and does not support cloudinit related api calls. Meaning shell commands must be used instead to perform `qm create` tasks. 70 | 2. The `k8s` module does not support applying Kubernetes Deployments from URL. Instead of using `get_url` to download them first, and then apply them with `k8s`, I just use `shell` to run a `kubectl apply -f`. [Feature Request here](https://github.com/ansible/ansible/issues/48402). 71 | 3. Miscellaneous `qcow2` image issues: 72 | 73 | | OS | Issue | 74 | | -- | ----- | 75 | | CentOS | A nameserver is baked into `/etc/resolv.conf` by default. [Bug Report here](https://bugs.centos.org/view.php?id=15426) | 76 | | CoreOS | Proxmix issued cloud-init does not seem to configure networking properly. | 77 | -------------------------------------------------------------------------------- /cm: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ConfigMap 3 | metadata: 4 | namespace: metallb-system 5 | name: config 6 | data: 7 | config: | 8 | address-pools: 9 | - name: default 10 | protocol: layer2 11 | addresses: 12 | - 192.168.40.150-192.168.40.250 13 | -------------------------------------------------------------------------------- /files/bash_scripts/monitor_automatic_updates_status.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | #Debian automatically checks for updates on first boot. This ensures that has completed before continuing. 3 | #If it hasn't finished in 10 minutes, the script will exit ungracefully. 4 | timeout=$(($(date +%s) + 600)) 5 | 6 | while pgrep apt > /dev/null; do 7 | 8 | time=$(date +%s) 9 | 10 | if [[ $time -ge $timeout ]]; 11 | then 12 | exit 1 13 | fi 14 | 15 | sleep 1 16 | done; 17 | exit 0 18 | -------------------------------------------------------------------------------- /files/templates/Dashboard/svc_dashboard.yml.j2: -------------------------------------------------------------------------------- 1 | kind: Service 2 | apiVersion: v1 3 | metadata: 4 | name: kubernetes-dashboard 5 | namespace: kubernetes-dashboard 6 | annotations: 7 | metallb.universe.tf/address-pool: {{ dashboard_load_balancer_address_pool }} 8 | labels: 9 | k8s-app: kubernetes-dashboard 10 | spec: 11 | type: LoadBalancer 12 | externalTrafficPolicy: Local 13 | selector: 14 | k8s-app: kubernetes-dashboard 15 | loadBalancerIP: {{ dashboard_load_balancer_ip }} 16 | ports: 17 | - name: "http-web" 18 | protocol: TCP 19 | port: 8443 20 | targetPort: 8443 21 | -------------------------------------------------------------------------------- /files/templates/Datadog/ds_datadog.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: extensions/v1beta1 2 | kind: DaemonSet 3 | metadata: 4 | name: datadog-agent 5 | namespace: {{ dd_namespace }} 6 | spec: 7 | template: 8 | metadata: 9 | labels: 10 | app: datadog-agent 11 | name: datadog-agent 12 | spec: 13 | containers: 14 | - image: datadog/agent:latest 15 | imagePullPolicy: Always 16 | name: datadog-agent 17 | ports: 18 | - containerPort: 8125 19 | name: dogstatsdport 20 | protocol: UDP 21 | - containerPort: 8126 22 | name: traceport 23 | protocol: TCP 24 | env: 25 | - name: DD_API_KEY 26 | value: {{ dd_api_key }} 27 | - name: KUBERNETES 28 | value: "true" 29 | - name: DD_KUBERNETES_KUBELET_HOST 30 | valueFrom: 31 | fieldRef: 32 | fieldPath: status.hostIP 33 | resources: 34 | requests: 35 | memory: "256Mi" 36 | cpu: "200m" 37 | limits: 38 | memory: "256Mi" 39 | cpu: "200m" 40 | volumeMounts: 41 | - name: dockersocket 42 | mountPath: /var/run/docker.sock 43 | - name: procdir 44 | mountPath: /host/proc 45 | readOnly: true 46 | - name: cgroups 47 | mountPath: /host/sys/fs/cgroup 48 | readOnly: true 49 | livenessProbe: 50 | exec: 51 | command: 52 | - ./probe.sh 53 | initialDelaySeconds: 15 54 | periodSeconds: 5 55 | volumes: 56 | - hostPath: 57 | path: /var/run/docker.sock 58 | name: dockersocket 59 | - hostPath: 60 | path: /proc 61 | name: procdir 62 | - hostPath: 63 | path: /sys/fs/cgroup 64 | name: cgroups 65 | -------------------------------------------------------------------------------- /files/templates/MetalLB/cm_metallb.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ConfigMap 3 | metadata: 4 | namespace: metallb-system 5 | name: config 6 | data: 7 | config: | 8 | peers: 9 | - peer-address: {{ metallb_peer_router }} 10 | peer-asn: {{ metallb_peer_asn }} 11 | my-asn: {{ metallb_peer_asn }} 12 | address-pools: 13 | - name: {{ metallb_ap1_name }} 14 | protocol: {{ metallb_ap1_protocol }} 15 | addresses: 16 | - {{ metallb_ap1_cidr }} 17 | - name: {{ metallb_ap2_name }} 18 | protocol: {{ metallb_ap2_protocol }} 19 | addresses: 20 | - {{ metallb_ap2_cidr }} 21 | - name: {{ metallb_ap3_name }} 22 | protocol: {{ metallb_ap3_protocol }} 23 | addresses: 24 | - {{ metallb_ap3_cidr }} 25 | - name: {{ metallb_ap4_name }} 26 | protocol: {{ metallb_ap4_protocol }} 27 | addresses: 28 | - {{ metallb_ap4_cidr }} 29 | -------------------------------------------------------------------------------- /files/templates/NFS/cr_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | kind: ClusterRole 2 | apiVersion: rbac.authorization.k8s.io/v1 3 | metadata: 4 | name: nfs-client-provisioner-runner 5 | namespace: {{ nfs_namespace }} 6 | rules: 7 | - apiGroups: [""] 8 | resources: ["persistentvolumes"] 9 | verbs: ["get", "list", "watch", "create", "delete"] 10 | - apiGroups: [""] 11 | resources: ["persistentvolumeclaims"] 12 | verbs: ["get", "list", "watch", "update"] 13 | - apiGroups: ["storage.k8s.io"] 14 | resources: ["storageclasses"] 15 | verbs: ["get", "list", "watch"] 16 | - apiGroups: [""] 17 | resources: ["events"] 18 | verbs: ["create", "update", "patch"] 19 | -------------------------------------------------------------------------------- /files/templates/NFS/crb_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | kind: ClusterRoleBinding 2 | apiVersion: rbac.authorization.k8s.io/v1 3 | metadata: 4 | name: run-nfs-client-provisioner 5 | namespace: {{ nfs_namespace }} 6 | subjects: 7 | - kind: ServiceAccount 8 | name: nfs-client-provisioner 9 | namespace: {{ nfs_namespace }} 10 | roleRef: 11 | kind: ClusterRole 12 | name: nfs-client-provisioner-runner 13 | namespace: {{ nfs_namespace }} 14 | apiGroup: rbac.authorization.k8s.io 15 | -------------------------------------------------------------------------------- /files/templates/NFS/dep_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | kind: Deployment 2 | apiVersion: apps/v1 3 | metadata: 4 | name: nfs-client-provisioner 5 | namespace: {{ nfs_namespace }} 6 | spec: 7 | replicas: 1 8 | selector: 9 | matchLabels: 10 | app: nfs-client-provisioner 11 | strategy: 12 | type: Recreate 13 | template: 14 | metadata: 15 | labels: 16 | app: nfs-client-provisioner 17 | spec: 18 | serviceAccountName: nfs-client-provisioner 19 | containers: 20 | - name: nfs-client-provisioner 21 | image: quay.io/external_storage/nfs-client-provisioner:latest 22 | volumeMounts: 23 | - name: nfs-client-root 24 | mountPath: /persistentvolumes 25 | env: 26 | - name: PROVISIONER_NAME 27 | value: {{ nfs_provisioner }} 28 | - name: NFS_SERVER 29 | value: {{ nfs_hostname }} 30 | - name: NFS_PATH 31 | value: {{ nfs_mount_point }} 32 | volumes: 33 | - name: nfs-client-root 34 | nfs: 35 | server: {{ nfs_hostname }} 36 | path: {{ nfs_mount_point }} 37 | -------------------------------------------------------------------------------- /files/templates/NFS/ns_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: Namespace 3 | metadata: 4 | name: {{ nfs_namespace }} 5 | -------------------------------------------------------------------------------- /files/templates/NFS/rb_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | kind: RoleBinding 2 | apiVersion: rbac.authorization.k8s.io/v1 3 | metadata: 4 | name: leader-locking-nfs-client-provisioner 5 | namespace: {{ nfs_namespace }} 6 | subjects: 7 | - kind: ServiceAccount 8 | name: nfs-client-provisioner 9 | namespace: {{ nfs_namespace }} 10 | roleRef: 11 | kind: Role 12 | name: leader-locking-nfs-client-provisioner 13 | namespace: nfs-client-provisioner 14 | apiGroup: rbac.authorization.k8s.io 15 | -------------------------------------------------------------------------------- /files/templates/NFS/role_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | kind: Role 2 | apiVersion: rbac.authorization.k8s.io/v1 3 | metadata: 4 | name: leader-locking-nfs-client-provisioner 5 | namespace: {{ nfs_namespace }} 6 | rules: 7 | - apiGroups: [""] 8 | resources: ["endpoints"] 9 | verbs: ["get", "list", "watch", "create", "update", "patch"] 10 | -------------------------------------------------------------------------------- /files/templates/NFS/sa_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ServiceAccount 3 | metadata: 4 | name: nfs-client-provisioner 5 | namespace: {{ nfs_namespace }} 6 | -------------------------------------------------------------------------------- /files/templates/NFS/sc_nfs_provisioner.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: storage.k8s.io/v1 2 | kind: StorageClass 3 | metadata: 4 | name: nfs 5 | namespace: {{ nfs_namespace }} 6 | annotations: 7 | storageclass.kubernetes.io/is-default-class: "true" 8 | provisioner: {{ nfs_provisioner }} 9 | parameters: 10 | archiveOnDelete: "false" 11 | reclaimPolicy: {{ nfs_reclaim_policy }} 12 | -------------------------------------------------------------------------------- /files/templates/NGINX-Ingress/svc_nginx_ingress_controller.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: Service 3 | metadata: 4 | name: ingress-nginx 5 | namespace: ingress-nginx 6 | labels: 7 | app.kubernetes.io/name: ingress-nginx 8 | app.kubernetes.io/part-of: ingress-nginx 9 | spec: 10 | type: LoadBalancer 11 | loadBalancerIP: {{ nginx_load_balancer_ip }} 12 | ports: 13 | - name: http 14 | port: 80 15 | targetPort: 80 16 | protocol: TCP 17 | - name: https 18 | port: 443 19 | targetPort: 443 20 | protocol: TCP 21 | selector: 22 | app.kubernetes.io/name: ingress-nginx 23 | app.kubernetes.io/part-of: ingress-nginx 24 | -------------------------------------------------------------------------------- /files/templates/Service_Account/rb_personal.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: rbac.authorization.k8s.io/v1beta1 2 | kind: ClusterRoleBinding 3 | metadata: 4 | name: {{ k8s_user_name }} 5 | roleRef: 6 | apiGroup: rbac.authorization.k8s.io 7 | kind: ClusterRole 8 | name: cluster-admin 9 | subjects: 10 | - kind: ServiceAccount 11 | name: {{ k8s_user_name }} 12 | namespace: kubernetes-dashboard 13 | -------------------------------------------------------------------------------- /files/templates/Service_Account/sa_personal.yml.j2: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ServiceAccount 3 | metadata: 4 | name: {{ k8s_user_name }} 5 | namespace: kubernetes-dashboard 6 | -------------------------------------------------------------------------------- /inventory.ini: -------------------------------------------------------------------------------- 1 | [proxmox_server] 2 | earth.sol.milkyway 3 | 4 | [k8s_master] 5 | pluto.sol.milkyway 6 | 7 | [k8s_nodes] 8 | ceres.sol.milkyway 9 | eris.sol.milkyway 10 | haumea.sol.milkyway 11 | 12 | [instances:children] 13 | proxmox_server 14 | k8s_master 15 | k8s_nodes 16 | 17 | [proxmox_server:vars] 18 | ansible_user='root' 19 | ansible_ssh_private_key_file='~/.ssh/earth.sol.milkyway' 20 | ansible_ssh_common_args='-o ServerAliveInterval=5 -o StrictHostKeyChecking=no' 21 | 22 | [k8s_master:vars] 23 | ansible_user='debian' 24 | ansible_ssh_private_key_file='~/.ssh/sol.milkyway.kubernetes' 25 | ansible_ssh_common_args='-o ServerAliveInterval=5 -o StrictHostKeyChecking=no' 26 | 27 | [k8s_nodes:vars] 28 | ansible_user='debian' 29 | ansible_ssh_private_key_file='~/.ssh/sol.milkyway.kubernetes' 30 | ansible_ssh_common_args='-o ServerAliveInterval=5 -o StrictHostKeyChecking=no' 31 | -------------------------------------------------------------------------------- /playbooks/main/bootstrap_kubernetes.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: k8s_master 3 | gather_facts: False 4 | tasks: 5 | - name: Including the variables. 6 | include_vars: 7 | file: ../../vars.yml 8 | 9 | - name: Initializing Kubernetes on the master. 10 | become: yes 11 | shell: | 12 | kubeadm init \ 13 | --kubernetes-version="{{ kubernetes_version }}" \ 14 | --pod-network-cidr={{ calico_cidr }}/16 15 | 16 | - name: Creating a kube directory on the master for the config files. 17 | become: yes 18 | file: 19 | path: $HOME/.kube 20 | state: directory 21 | 22 | - name: Copying the kube config to the kube directory. 23 | become: yes 24 | shell: cp /etc/kubernetes/admin.conf $HOME/.kube/config 25 | 26 | - name: Downloading the Calico Pod Network manifest. 27 | get_url: 28 | url: "{{ calico_policy_url }}" 29 | dest: /tmp/calico.yml 30 | 31 | - name: Modifying the Pod network CIDR for Calico. 32 | replace: 33 | path: /tmp/calico.yml 34 | regexp: 192.168.0.0 35 | replace: "{{ calico_cidr }}" 36 | 37 | - name: Applying the Calico Pod Network to Kubernetes. 38 | become: yes 39 | shell: kubectl apply -f /tmp/calico.yml 40 | 41 | - name: Deleting the Calico Pod Network manifest from disk. 42 | file: 43 | path: /tmp/calico.yml 44 | state: absent 45 | 46 | - name: Retreiving the kube config. 47 | become: yes 48 | shell: cat ~/.kube/config 49 | register: k8s_config 50 | 51 | - name: Creating a local ~/.kube directory on your workstation. 52 | local_action: 53 | module: file 54 | path: ~/.kube 55 | state: directory 56 | 57 | - name: Copying ~/.kube/config to your workstation. 58 | local_action: copy content={{ k8s_config.stdout }} dest=~/.kube/config 59 | 60 | - name: Retreiving the kubeadm join command. 61 | become: yes 62 | shell: kubeadm token create --print-join-command 63 | when: k8s_join_command is undefined 64 | register: k8s_join_command 65 | 66 | 67 | - hosts: k8s_nodes 68 | gather_facts: False 69 | tasks: 70 | - name: Including the variables. 71 | include_vars: 72 | file: ../../vars.yml 73 | 74 | - name: Joining the nodes to the master. 75 | become: yes 76 | shell: "{{ hostvars[groups['k8s_master'][0]]['k8s_join_command']['stdout'] }} --ignore-preflight-errors=all" 77 | -------------------------------------------------------------------------------- /playbooks/main/deploy_qcow2_vms.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: proxmox_server 3 | gather_facts: False 4 | vars: 5 | id_list: 6 | - "{{ k8s_master_id }}" 7 | - "{{ k8s_node1_id }}" 8 | - "{{ k8s_node2_id }}" 9 | - "{{ k8s_node3_id }}" 10 | id_stg_list: 11 | - { id: "{{ k8s_master_id }}", stg: "{{ k8s_master_stg }}" } 12 | - { id: "{{ k8s_node1_id }}", stg: "{{ k8s_node1_stg }}" } 13 | - { id: "{{ k8s_node2_id }}", stg: "{{ k8s_node2_stg }}" } 14 | - { id: "{{ k8s_node3_id }}", stg: "{{ k8s_node3_stg }}" } 15 | tasks: 16 | - name: Including the variables. 17 | include_vars: 18 | file: ../../vars.yml 19 | 20 | - name: Creating a resource pool. 21 | shell: pvesh create /pools -poolid "{{ k8s_resource_pool }}" --Comment "Kubernetes Cluster" 22 | ignore_errors: yes 23 | 24 | - name: Downloading the Debian qcow2 image. 25 | get_url: 26 | url: "{{ qcow2_image }}" 27 | dest: "{{ qcow2_download_location }}image.qcow2" 28 | 29 | - name: Creating the VMs. 30 | shell: > 31 | qm create {{ item.id }} 32 | --pool {{ k8s_resource_pool }} 33 | --ostype "l26" 34 | --name {{ item.hn }} 35 | --description "Kubernetes VM" 36 | --agent 1 37 | --cores {{ item.cpu }} 38 | --memory {{ item.mem }} 39 | --net0 "virtio,bridge={{ item.bridge }}" 40 | --ipconfig0 "gw={{ item.gw }},ip={{ item.ip }}{{ item.sn }}" 41 | --nameserver {{ item.ns }} 42 | --searchdomain {{ item.sd }} 43 | --sshkeys {{ k8s_ssh_key }} 44 | with_items: 45 | - { id: "{{ k8s_master_id }}", hn: "{{ k8s_master_hn }}", cpu: "{{ k8s_master_cpu }}", mem: "{{ k8s_master_mem }}", bridge: "{{ k8s_master_bridge }}", gw: "{{ k8s_master_gw }}", ip: "{{ k8s_master_ip }}", sn: "{{ k8s_master_sn }}", ns: "{{ k8s_master_ns }}", sd: "{{ k8s_master_sd }}" } 46 | - { id: "{{ k8s_node1_id }}", hn: "{{ k8s_node1_hn }}", cpu: "{{ k8s_node1_cpu }}", mem: "{{ k8s_node1_mem }}", bridge: "{{ k8s_node1_bridge }}", gw: "{{ k8s_node1_gw }}", ip: "{{ k8s_node1_ip }}", sn: "{{ k8s_node1_sn }}", ns: "{{ k8s_node1_ns }}", sd: "{{ k8s_node1_sd }}" } 47 | - { id: "{{ k8s_node2_id }}", hn: "{{ k8s_node2_hn }}", cpu: "{{ k8s_node2_cpu }}", mem: "{{ k8s_node2_mem }}", bridge: "{{ k8s_node2_bridge }}", gw: "{{ k8s_node2_gw }}", ip: "{{ k8s_node2_ip }}", sn: "{{ k8s_node2_sn }}", ns: "{{ k8s_node2_ns }}", sd: "{{ k8s_node2_sd }}" } 48 | - { id: "{{ k8s_node3_id }}", hn: "{{ k8s_node3_hn }}", cpu: "{{ k8s_node3_cpu }}", mem: "{{ k8s_node3_mem }}", bridge: "{{ k8s_node3_bridge }}", gw: "{{ k8s_node3_gw }}", ip: "{{ k8s_node3_ip }}", sn: "{{ k8s_node3_sn }}", ns: "{{ k8s_node3_ns }}", sd: "{{ k8s_node3_sd }}" } 49 | 50 | - name: Setting the VLAN Tags for the VMs. 51 | shell: > 52 | qm set {{ item.id }} 53 | --net0 "virtio,bridge={{ item.bridge }},tag={{ item.vlan }}" 54 | with_items: 55 | - { id: "{{ k8s_master_id }}", bridge: "{{ k8s_master_bridge }}", vlan: "{{ k8s_master_vlan }}" } 56 | - { id: "{{ k8s_node1_id }}", bridge: "{{ k8s_node1_bridge }}", vlan: "{{ k8s_node1_vlan }}" } 57 | - { id: "{{ k8s_node2_id }}", bridge: "{{ k8s_node2_bridge }}", vlan: "{{ k8s_node2_vlan }}" } 58 | - { id: "{{ k8s_node3_id }}", bridge: "{{ k8s_node3_bridge }}", vlan: "{{ k8s_node3_vlan }}" } 59 | when: 60 | - k8s_master_vlan is defined 61 | - k8s_master_vlan|length != 0 62 | - k8s_node1_vlan is defined 63 | - k8s_node1_vlan|length != 0 64 | - k8s_node2_vlan is defined 65 | - k8s_node2_vlan|length != 0 66 | - k8s_node3_vlan is defined 67 | - k8s_node3_vlan|length != 0 68 | 69 | - name: Importing the qcow2 image as a disk. 70 | shell: qm importdisk {{ item.id }} {{ qcow2_download_location }}image.qcow2 {{ item.stg }} 71 | with_items: "{{ id_stg_list }}" 72 | 73 | - name: Configuring the VM Hardware. 74 | shell: qm set {{ item.id }} 75 | --scsihw virtio-scsi-pci 76 | --scsi0 {{ item.stg }}:vm-{{ item.id }}-disk-0 77 | --ide2 {{ item.stg }}:cloudinit 78 | --serial0 /dev/tty0 79 | --boot c --bootdisk scsi0 80 | with_items: "{{ id_stg_list }}" 81 | 82 | - name: Resizing the disk. 83 | shell: qm resize {{ item.id }} scsi0 {{ item.size }} 84 | with_items: 85 | - { id: "{{ k8s_master_id }}", size: "{{ k8s_master_size }}" } 86 | - { id: "{{ k8s_node1_id }}", size: "{{ k8s_node1_size }}" } 87 | - { id: "{{ k8s_node2_id }}", size: "{{ k8s_node2_size }}" } 88 | - { id: "{{ k8s_node3_id }}", size: "{{ k8s_node3_size }}" } 89 | 90 | - name: Starting the VMs. 91 | shell: qm start {{ item }} 92 | with_items: "{{ id_list }}" 93 | 94 | - name: Waiting for the VMs to become available. 95 | wait_for: 96 | host: "{{ item }}" 97 | port: 22 98 | msg: "VMs did not become available after 5 minutes. Network error?" 99 | with_items: 100 | - "{{ k8s_master_hn }}" 101 | - "{{ k8s_node1_hn }}" 102 | - "{{ k8s_node2_hn }}" 103 | - "{{ k8s_node3_hn }}" 104 | 105 | - name: Waiting 2 minutes for for Debian to finish booting. 106 | pause: 107 | seconds: 120 108 | -------------------------------------------------------------------------------- /playbooks/main/install_base_packages.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: k8s_master:k8s_nodes 3 | gather_facts: False 4 | tasks: 5 | - name: Including the variables. 6 | include_vars: 7 | file: ../../vars.yml 8 | 9 | - name: Waiting for Debian to finish performing automatic updates before continuing. 10 | script: ../../files/bash_scripts/monitor_automatic_updates_status.sh 11 | 12 | - name: Performing a Package Upgrade. 13 | become: yes 14 | apt: 15 | name: '*' 16 | state: latest 17 | 18 | - name: Installing the base packages. 19 | become: yes 20 | apt: 21 | name: ['apt-transport-https', 'ca-certificates', 'curl', 'haveged', 'gnupg2', 'openssl', 'python-pip', 'qemu-guest-agent', 'software-properties-common', 'arptables', 'ebtables'] 22 | 23 | - name: Configuring the nodes to use legacy iptables for compatibility with Kubernetes. 24 | become: yes 25 | alternatives: 26 | name: "{{ item }}" 27 | path: /usr/sbin/{{ item }}-legacy 28 | with_items: 29 | - "iptables" 30 | - "ip6tables" 31 | - "arptables" 32 | - "ebtables" 33 | 34 | - name: Adding the necessary GPG keys. 35 | become: yes 36 | apt_key: 37 | url: "{{ item }}" 38 | with_items: 39 | - "https://download.docker.com/linux/debian/gpg" 40 | - "https://packages.cloud.google.com/apt/doc/apt-key.gpg" 41 | 42 | - name: Adding the necessary package repositories. 43 | become: yes 44 | apt_repository: 45 | repo: "{{ item }}" 46 | with_items: 47 | - "deb [arch=amd64] https://download.docker.com/linux/debian buster stable" 48 | - "deb https://apt.kubernetes.io/ kubernetes-xenial main" 49 | 50 | - name: Updating the package repositories. 51 | become: yes 52 | apt: 53 | update_cache: yes 54 | 55 | - name: Installing the required packages to bootstrap a kubernetes cluster. 56 | become: yes 57 | apt: 58 | name: ['docker-ce={{ docker_version }}', 'kubelet', 'kubeadm', 'kubectl'] 59 | 60 | - name: Setting Docker CGroup to systemd. 61 | become: yes 62 | shell: | 63 | cat > /etc/docker/daemon.json <