├── .gitattributes ├── .github └── workflows │ └── release.yml ├── .gitignore ├── Dockerfile ├── LICENSE ├── README.md ├── fly ├── Dockerfile └── fly.toml ├── lambda ├── Dockerfile ├── README.md ├── deploy.sh ├── lambda.py └── requirements.txt ├── main.py ├── public └── play.html └── requirements.txt /.gitattributes: -------------------------------------------------------------------------------- 1 | *.html linguist-detectable=false 2 | -------------------------------------------------------------------------------- /.github/workflows/release.yml: -------------------------------------------------------------------------------- 1 | on: 2 | release: 3 | types: [created] 4 | 5 | env: 6 | REGISTRY: ghcr.io 7 | IMAGE_NAME: ${{ github.repository }} 8 | 9 | jobs: 10 | releases-matrix: 11 | name: Release Go Binary 12 | runs-on: ubuntu-latest 13 | strategy: 14 | matrix: 15 | goos: [linux] 16 | goarch: [amd64] 17 | 18 | steps: 19 | - uses: actions/checkout@v3 20 | - name: Log in to the Container registry 21 | uses: docker/login-action@v2.1.0 22 | with: 23 | registry: ${{ env.REGISTRY }} 24 | username: ${{ github.actor }} 25 | password: ${{ secrets.GITHUB_TOKEN }} 26 | 27 | - name: Extract metadata (tags, labels) for Docker 28 | id: meta 29 | uses: docker/metadata-action@v4.3.0 30 | with: 31 | images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} 32 | 33 | - name: Build and push Docker image 34 | uses: docker/build-push-action@v4.0.0 35 | with: 36 | context: . 37 | push: true 38 | tags: ${{ steps.meta.outputs.tags }} 39 | labels: ${{ steps.meta.outputs.labels }} 40 | 41 | 42 | fly_deploy: 43 | name: Deploy to Fly.io 44 | runs-on: ubuntu-latest 45 | defaults: 46 | run: 47 | working-directory: fly 48 | needs: [ releases-matrix ] 49 | steps: 50 | - uses: actions/checkout@v3 51 | - uses: superfly/flyctl-actions/setup-flyctl@master 52 | - run: flyctl deploy --remote-only 53 | env: 54 | FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }} 55 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # ---> Python 2 | # Byte-compiled / optimized / DLL files 3 | __pycache__/ 4 | *$py.class 5 | 6 | # ---> IDE 7 | .vscode/* 8 | .idea/ 9 | 10 | # ---> venv 11 | venv/ 12 | env/ 13 | -------------------------------------------------------------------------------- /Dockerfile: -------------------------------------------------------------------------------- 1 | FROM python:3.8.10-slim 2 | ENV VERSION 0.14.2 3 | WORKDIR /app 4 | ADD requirements.txt . 5 | RUN apt update && apt install -y binutils \ 6 | && pip install -r requirements.txt \ 7 | && strip /usr/local/lib/python3.8/site-packages/chdb/_chdb.cpython-38-*-linux-gnu.so \ 8 | && rm -rf /var/lib/apt/lists/* && rm -rf ~/.cache/pip/* 9 | ADD main.py . 10 | ADD public ./public 11 | EXPOSE 8123 12 | CMD ["python3","./main.py"] 13 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | [![.github/workflows/release.yml](https://github.com/chdb-io/chdb-server/actions/workflows/release.yml/badge.svg)](https://github.com/chdb-io/chdb-server/actions/workflows/release.yml) 6 | 7 | # chdb-server 8 | [chDB](https://github.com/auxten/chdb) + basic HTTP/s API server in a docker container, _pretending to be ClickHouse_ 9 | 10 | ### [Public Demo](https://chdb.fly.dev/) 11 | 12 |
13 | 14 | 15 | 16 | 17 | 18 |

19 | 20 | 21 | ### Docker Setup 22 | ``` 23 | docker run --rm -p 8123:8123 ghcr.io/chdb-io/chdb-server:latest 24 | ``` 25 | 26 |
27 | 28 | ### Stateless & Stateful Sessions 29 | 30 | > chdb-server queries default to stateless. Stateful sessions can be paired with Basic HTTP Auth. 31 | 32 | ![image](https://github.com/chdb-io/chdb-server/assets/1423657/dee938a2-ec2a-4b4a-87a9-458a6db791a0) 33 | 34 |
35 | 36 | ### ClickHouse Play 37 | chdb-server is compatible with the ClickHouse Play query interface: 38 | 39 | 40 | 41 | 42 | ### Grafana 43 | chdb-server is compatible with Grarfana using the official ClickHouse drivers: 44 | 45 | ![image](https://github.com/chdb-io/chdb-server/assets/1423657/cfe60c6d-c714-44b1-bca4-893c287a17e4) 46 | 47 | 48 | ### Superset 49 | chdb-server is compatible with Superset and the ClickHouse sqlalchemy driver: 50 | 51 | ##### SQLALCHEMY URI 52 | ``` 53 | clickhouse+http://chdb.fly.dev:443/db?protocol=https 54 | ``` 55 | 56 | 57 | 58 | ![image](https://github.com/chdb-io/chdb-server/assets/1423657/b6291840-4e24-492b-a386-548d3bcce5fe) 59 | -------------------------------------------------------------------------------- /fly/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM ghcr.io/chdb-io/chdb-server:latest 2 | ENV PORT 8080 3 | CMD ["python3", "./main.py"] 4 | -------------------------------------------------------------------------------- /fly/fly.toml: -------------------------------------------------------------------------------- 1 | app = "chdb" 2 | primary_region = "ams" 3 | kill_signal = "SIGINT" 4 | kill_timeout = "5s" 5 | 6 | [experimental] 7 | auto_rollback = true 8 | 9 | [env] 10 | PORT = "8080" 11 | PRIMARY_REGION = "ams" 12 | 13 | [[services]] 14 | protocol = "tcp" 15 | internal_port = 8080 16 | processes = ["app"] 17 | 18 | [[services.ports]] 19 | port = 80 20 | handlers = ["http"] 21 | force_https = true 22 | 23 | [[services.ports]] 24 | port = 443 25 | handlers = ["tls", "http"] 26 | [services.concurrency] 27 | type = "connections" 28 | hard_limit = 25 29 | soft_limit = 20 30 | 31 | [[services.tcp_checks]] 32 | interval = "15s" 33 | timeout = "2s" 34 | grace_period = "1s" 35 | restart_limit = 0 36 | -------------------------------------------------------------------------------- /lambda/Dockerfile: -------------------------------------------------------------------------------- 1 | ARG FUNCTION_DIR="/function" 2 | 3 | FROM python:3.11 as build-image 4 | 5 | ARG FUNCTION_DIR 6 | 7 | RUN mkdir -p ${FUNCTION_DIR} 8 | COPY lambda.py ${FUNCTION_DIR} 9 | COPY requirements.txt ${FUNCTION_DIR} 10 | 11 | RUN pip install --target ${FUNCTION_DIR} -r "${FUNCTION_DIR}/requirements.txt" 12 | RUN pip install --target ${FUNCTION_DIR} awslambdaric 13 | 14 | FROM python:3.11-slim 15 | 16 | ARG FUNCTION_DIR 17 | WORKDIR ${FUNCTION_DIR} 18 | 19 | COPY --from=build-image ${FUNCTION_DIR} ${FUNCTION_DIR} 20 | 21 | ENTRYPOINT [ "/usr/local/bin/python", "-m", "awslambdaric" ] 22 | CMD [ "lambda.handler" ] 23 | -------------------------------------------------------------------------------- /lambda/README.md: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | [![.github/workflows/release.yml](https://github.com/chdb-io/chdb-server/actions/workflows/release.yml/badge.svg)](https://github.com/chdb-io/chdb-server/actions/workflows/release.yml) 6 | 7 | # chDB AWS Lambda Function 8 | 9 | > Let's run chdb in a lambda function for fun a profit! 10 | 11 |
12 | 13 | ## Local Lambda Test 14 | Build and run the Lambda chdb container locally: 15 | ``` 16 | docker build -t chdb:lambda 17 | docker run -p 9000:8080 chdb:lambda 18 | ``` 19 | 20 | Validate the API using curl 21 | ``` 22 | curl -XPOST "http://localhost:9000/2015-03-31/functions/function/invocations" \ 23 | -d '{"query":"SELECT version()", "default_format":"JSONCompact"}' 24 | ``` 25 | 26 |
27 | 28 | ## Upload Docker image on ECR and Lambda 29 | Lambda function containers must be hosted on the AWS Elastic Container Registry. 30 | 31 | 1. Install the AWS CLI and configure with your AWS credentials 32 | ``` 33 | $ aws configure 34 | ``` 35 | 36 | 2. Review and execute the ‘deploy.sh’ script: 37 | ``` 38 | $ ./deploy.sh [--tag ] [--region ] [--profile ] [--no-push] 39 | ``` 40 | 41 | 3. Create Lambda function and attach your ECR Image. Make sure the name and image ID match: 42 | 43 | ![image](https://github.com/chdb-io/chdb-server/assets/1423657/887894c3-35ef-4083-a4b8-29d247f1fc1c) 44 | 45 | 46 | 4. Test your Lambda function with a JSON payload: 47 | 48 | ![image](https://github.com/chdb-io/chdb-server/assets/1423657/daa26b0b-68e2-4cec-b665-5505efe99b99) 49 | 50 | ```json 51 | { 52 | "query": "SELECT version();", 53 | "default_format": "JSONCompact" 54 | } 55 | ``` 56 | 57 | ----- 58 | 59 | This guide is based on [this article](https://medium.com/@skalyani103/python-on-aws-lambda-using-docker-images-5740664c54ca) which contains further details and steps. 60 | 61 | -------------------------------------------------------------------------------- /lambda/deploy.sh: -------------------------------------------------------------------------------- 1 | # get flag variables 2 | profile="default" 3 | region="us-east-1" 4 | tag="latest" 5 | no_push=false 6 | 7 | while (( "$#" )); do 8 | case "$1" in 9 | --tag) 10 | tag="$2" 11 | shift 2 12 | ;; 13 | --region) 14 | region="$2" 15 | shift 2 16 | ;; 17 | --profile) 18 | profile="$2" 19 | shift 2 20 | ;; 21 | --no-push) 22 | no_push=true 23 | shift 24 | ;; 25 | --) 26 | shift 27 | break 28 | ;; 29 | -*|--*=) 30 | echo "Error: Unsupported flag $1" >&2 31 | exit 1 32 | ;; 33 | *) 34 | shift 35 | ;; 36 | esac 37 | done 38 | 39 | 40 | # set variables 41 | AWS_ACCOUNT_ID=$(aws sts get-caller-identity --query Account --output text) 42 | ECR_IMAGE_URI="$AWS_ACCOUNT_ID.dkr.ecr.$region.amazonaws.com" 43 | IMAGE_NAME="$ECR_IMAGE_URI/chdb:$tag" 44 | 45 | # log in to ECR 46 | aws ecr get-login-password --region $region --profile $profile | \ 47 | docker login --username AWS --password-stdin $ECR_IMAGE_URI 48 | 49 | # remove existing image 50 | docker rmi $IMAGE_NAME 2>/dev/null || true 51 | 52 | # build image 53 | docker build -t $IMAGE_NAME . 54 | 55 | if [ "$no_push" = false ]; then 56 | # push to ECR 57 | docker push $IMAGE_NAME 58 | fi 59 | -------------------------------------------------------------------------------- /lambda/lambda.py: -------------------------------------------------------------------------------- 1 | import json 2 | 3 | import chdb 4 | 5 | 6 | def handler(event, context): 7 | if "requestContext" in event: 8 | event = json.loads(event["body"]) 9 | query = event["query"] if "query" in event else "SELECT version()" 10 | format = event["default_format"] if "default_format" in event else "JSONCompact" 11 | 12 | res = chdb.query(query, format).data() 13 | return { 14 | "statusCode": 200, 15 | "headers": { 16 | "Content-Type": "application/json" 17 | }, 18 | "body": str(res) if not isinstance(res, (dict, list)) else json.dumps(res), 19 | } 20 | -------------------------------------------------------------------------------- /lambda/requirements.txt: -------------------------------------------------------------------------------- 1 | boto3 2 | chdb 3 | -------------------------------------------------------------------------------- /main.py: -------------------------------------------------------------------------------- 1 | import os 2 | import tempfile 3 | 4 | import chdb 5 | from chdb import session as chs 6 | from flask import Flask, request 7 | from flask_httpauth import HTTPBasicAuth 8 | 9 | app = Flask(__name__, static_folder="public", static_url_path="") 10 | auth = HTTPBasicAuth() 11 | driver = chdb 12 | 13 | # session support: basic username + password as unique datapath 14 | @auth.verify_password 15 | def verify(username, password): 16 | if not (username and password): 17 | print('stateless session') 18 | globals()["driver"] = chdb 19 | else: 20 | path = globals()["path"] + "/" + str(hash(username + password)) 21 | print('stateful session ' + path) 22 | globals()["driver"] = chs.Session(path) 23 | return True 24 | 25 | # run chdb.query(query, format), get result from return and collect stderr 26 | def chdb_query_with_errmsg(query, format): 27 | # Redirect stdout and stderr to the buffers 28 | try: 29 | new_stderr = tempfile.TemporaryFile() 30 | old_stderr_fd = os.dup(2) 31 | os.dup2(new_stderr.fileno(), 2) 32 | # Call the function 33 | output = driver.query(query, format).bytes() 34 | 35 | new_stderr.flush() 36 | new_stderr.seek(0) 37 | errmsg = new_stderr.read() 38 | 39 | # cleanup and recover 40 | new_stderr.close() 41 | os.dup2(old_stderr_fd, 2) 42 | except Exception as e: 43 | # An error occurred, print it to stderr 44 | print(f"An error occurred: {e}") 45 | return output, errmsg 46 | 47 | @app.route('/', methods=["GET"]) 48 | @auth.login_required 49 | def clickhouse(): 50 | query = request.args.get('query', default="", type=str) 51 | format = request.args.get('default_format', default="TSV", type=str) 52 | database = request.args.get('database', default="", type=str) 53 | if not query: 54 | return app.send_static_file('play.html') 55 | 56 | if database: 57 | query = f"USE {database}; {query}".encode() 58 | 59 | result, errmsg = chdb_query_with_errmsg(query.strip(), format) 60 | if len(errmsg) == 0: 61 | return result, 200 62 | if len(result) > 0: 63 | print("warning:", errmsg) 64 | return result, 200 65 | return errmsg, 400 66 | 67 | @app.route('/', methods=["POST"]) 68 | @auth.login_required 69 | def play(): 70 | query = request.args.get('query', default=None, type=str) 71 | body = request.get_data() or None 72 | format = request.args.get('default_format', default="TSV", type=str) 73 | database = request.args.get('database', default="", type=str) 74 | 75 | if query is None: 76 | query = b"" 77 | else: 78 | query = query.encode('utf-8') 79 | 80 | if body is not None: 81 | # temporary hack to flatten multilines. to be replaced with raw `--file` input 82 | data = f"" 83 | request_lines = body.decode('utf-8').strip().splitlines(True) 84 | for line in request_lines: 85 | data += " " + line.strip() 86 | body = data.encode('utf-8') 87 | query = query + " ".encode('utf-8') + body 88 | 89 | if not query: 90 | return "Error: no query parameter provided", 400 91 | 92 | if database: 93 | database = f"USE {database}; ".encode() 94 | query = database + query 95 | 96 | result, errmsg = chdb_query_with_errmsg(query.strip(), format) 97 | if len(errmsg) == 0: 98 | return result, 200 99 | if len(result) > 0: 100 | print("warning:", errmsg) 101 | return result, 200 102 | return errmsg, 400 103 | 104 | 105 | @app.route('/play', methods=["GET"]) 106 | def handle_play(): 107 | return app.send_static_file('play.html') 108 | 109 | @app.route('/ping', methods=["GET"]) 110 | def handle_ping(): 111 | return "Ok", 200 112 | 113 | @app.errorhandler(404) 114 | def handle_404(e): 115 | return app.send_static_file('play.html') 116 | 117 | host = os.getenv('HOST', '0.0.0.0') 118 | port = os.getenv('PORT', 8123) 119 | path = os.getenv('DATA', '.chdb_data') 120 | app.run(host=host, port=port) 121 | -------------------------------------------------------------------------------- /public/play.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | chDB 7 | 8 | 23 | 24 | 32 | 33 | 445 | 446 | 447 | 448 |
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/requirements.txt:
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1 | Flask
2 | flask_httpauth
3 | chdb
4 | 


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