first commit

.gitignore

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+**/__pycache__/*
+venv/*

Makefile

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+
+build:
+	@:
+
+deploy:
+	venv/bin/waitress-serve --host 0.0.0.0 --port 5000 listen:app
+
+stop:
+	@:

deploy.py

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+from dataclasses import dataclass
+import subprocess
+import os
+    
+@dataclass
+class DeployerRequest:
+    repo: str
+    branch: str
+    commit_hash: str
+    
+    
+    
+def handle_request(rq: DeployerRequest):
+    subprocess.run(
+            ["./deploy.sh"], 
+            env=dict(
+                os.environ, 
+                REPO=rq.repo,
+                BRANCH=rq.branch,
+                COMMIT_HASH=rq.commit_hash,
+            ),
+        )

deploy.sh

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+#!/bin/bash
+$rootdir=$(pwd)
+$deploydir=$rootdir/deployments/$REPO/$BRANCH
+
+mkdir -p $deploydir
+cd $deploydir
+git clone $CLONE_URL .
+
+git fetch origin $BRANCH
+git reset --hard origin/$BRANCH
+git checkout $COMMIT_HASH
+
+make build
+echo "
+[Unit]
+Description=Deployment of $REPO/$BRANCH
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=make deploy
+User=drm
+WorkingDirectory=$deploydir
+Restart=on-failure
+StandardOutput=file:$deploydir/server.log
+StandardError=file:$deploydir/server.log
+
+[Install]
+WantedBy=multi-user.target
+" > deploy.service
+systemctl daemon reload
+
+$service="deployer-$repo-$branch.service"
+ln -s $deploydir/deploy.service /etc/systemd/system/$service
+systemctl stop $service
+systemctl start $service
+
+
+

listen.py

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+from flask import Flask, request
+
+from .deploy import handle_request, DeployerRequest
+
+app = Flask(__name__)
+
+
+@app.route("/gitea", methods=["POST"])
+def gitea():
+    data = request.get_json()
+
+    handle_request(
+        DeployerRequest(
+            repo = data["repository"]["name"],
+            branch = data["ref"].strip("refs/heads/"),
+            commit_hash = data["after"]
+        )
+    )