chore: automized generation of timers

systemd/generate-timers.py

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+#!/usr/bin/env python
+
+from os import mkdir
+from shutil import rmtree
+from tomllib import loads
+
+from jinja2 import Environment, FileSystemLoader
+
+if __name__ == "__main__":
+    with open("./timers.toml", "r") as f:
+        timers = loads(f.read())["timer"]
+    if not timers:
+        exit()
+    env = Environment(loader=FileSystemLoader("./templates"))
+    templates = {
+        "service": env.get_template("service"),
+        "timer": env.get_template("timer"),
+    }
+    rmtree("output")
+    mkdir("output")
+    for timer in timers:
+        base_path = "./output/outdated-" + timer["command"]
+        for type in ["service", "timer"]:
+            with open(f"{base_path}.{type}", "w") as f:
+                f.write(templates[type].render(**timer))

systemd/output/outdated-notify.service

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+[Unit]
+Description=Notify maintainers about their projects if necessary
+Wants=outdated-notify.timer
+
+[Service]
+ExecStart=docker exec outdated-api sh -c './manage.py notify'
+
+[Install]
+WantedBy=multi-user.target

systemd/output/outdated-notify.timer

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+[Unit]
+Description=Timer for Notify maintainers about their projects if necessary
+
+[Timer]
+Unit=outdated-notify.service
+OnCalendar=Mon *-*-* 00:00:00
+
+[Install]
+WantedBy=timers.target

systemd/output/outdated-syncprojects.service

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+[Unit]
+Description=Sync all projects with their remote counterparts
+Wants=outdated-syncprojects.timer
+
+[Service]
+ExecStart=docker exec outdated-api sh -c './manage.py syncprojects'
+
+[Install]
+WantedBy=multi-user.target

systemd/output/outdated-syncprojects.timer

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+[Unit]
+Description=Timer for Sync all projects with their remote counterparts
+
+[Timer]
+Unit=outdated-syncprojects.service
+OnCalendar=*-*-* 00:00:00
+
+[Install]
+WantedBy=timers.target

systemd/pyproject.toml

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+[tool.poetry]
+name = "systemd-timer-creation-tool"
+version = "0.1.0"
+description = "create systemd timers without boilerplate"
+authors = ["Adfinis AG"]
+readme = "README.md"
+packages = [{include = "systemd_timer_creation_tool"}]
+
+[tool.poetry.dependencies]
+python = "^3.11"
+jinja2 = "^3.1.2"
+
+
+[tool.poetry.group.dev.dependencies]
+black = "^23.7.0"
+isort = "^5.12.0"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"

systemd/templates/service

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+[Unit]
+Description={{description}}
+Wants=outdated-{{command}}.timer
+
+[Service]
+ExecStart=docker exec outdated-api sh -c './manage.py {{command}}'
+
+[Install]
+WantedBy=multi-user.target

systemd/templates/timer

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+[Unit]
+Description=Timer for {{description}}
+
+[Timer]
+Unit=outdated-{{command}}.service
+OnCalendar={{schedule}}
+
+[Install]
+WantedBy=timers.target

systemd/timers.toml

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+[[timer]]
+description="Sync all projects with their remote counterparts"
+command="syncprojects"
+schedule="*-*-* 00:00:00"
+
+[[timer]]
+description="Notify maintainers about their projects if necessary"
+command="notify"
+schedule="Mon *-*-* 00:00:00"