Initial commit
This commit is contained in:
Benedikt Ziemons
commit
7eac724a3a
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# Created by .ignore support plugin (hsz.mobi)
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### Python template
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# Byte-compiled / optimized / DLL files
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__pycache__/
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*.py[cod]
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*$py.class
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# C extensions
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*.so
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||||
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||||
# Distribution / packaging
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.Python
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build/
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develop-eggs/
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||||
dist/
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||||
downloads/
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||||
eggs/
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||||
.eggs/
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||||
lib/
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||||
lib64/
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||||
parts/
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||||
sdist/
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||||
var/
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wheels/
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||||
share/python-wheels/
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||||
*.egg-info/
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||||
.installed.cfg
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*.egg
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||||
MANIFEST
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||||
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||||
# PyInstaller
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||||
# Usually these files are written by a python script from a template
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||||
# before PyInstaller builds the exe, so as to inject date/other infos into it.
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||||
*.manifest
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||||
*.spec
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||||
|
||||
# Installer logs
|
||||
pip-log.txt
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||||
pip-delete-this-directory.txt
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||||
|
||||
# Unit test / coverage reports
|
||||
htmlcov/
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||||
.tox/
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||||
.nox/
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||||
.coverage
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||||
.coverage.*
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||||
.cache
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||||
nosetests.xml
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||||
coverage.xml
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||||
*.cover
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||||
*.py,cover
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.hypothesis/
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.pytest_cache/
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cover/
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||||
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||||
# Translations
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||||
*.mo
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||||
*.pot
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||||
|
||||
# Django stuff:
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*.log
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||||
local_settings.py
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||||
db.sqlite3
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||||
db.sqlite3-journal
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||||
|
||||
# Flask stuff:
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||||
instance/
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||||
.webassets-cache
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||||
|
||||
# Scrapy stuff:
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||||
.scrapy
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||||
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||||
# Sphinx documentation
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||||
docs/_build/
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||||
|
||||
# PyBuilder
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||||
.pybuilder/
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||||
target/
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||||
|
||||
# Jupyter Notebook
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||||
.ipynb_checkpoints
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||||
|
||||
# IPython
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||||
profile_default/
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||||
ipython_config.py
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||||
|
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# pyenv
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# For a library or package, you might want to ignore these files since the code is
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# intended to run in multiple environments; otherwise, check them in:
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# .python-version
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||||
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# pipenv
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# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
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||||
# However, in case of collaboration, if having platform-specific dependencies or dependencies
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||||
# having no cross-platform support, pipenv may install dependencies that don't work, or not
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||||
# install all needed dependencies.
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||||
#Pipfile.lock
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||||
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||||
# PEP 582; used by e.g. github.com/David-OConnor/pyflow
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__pypackages__/
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||||
|
||||
# Celery stuff
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||||
celerybeat-schedule
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||||
celerybeat.pid
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||||
|
||||
# SageMath parsed files
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||||
*.sage.py
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||||
|
||||
# Environments
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.env
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.venv
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env/
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venv/
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ENV/
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env.bak/
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||||
venv.bak/
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||||
|
||||
# Spyder project settings
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||||
.spyderproject
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||||
.spyproject
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||||
|
||||
# Rope project settings
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||||
.ropeproject
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|
||||
# mkdocs documentation
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/site
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||||
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# mypy
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.mypy_cache/
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.dmypy.json
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dmypy.json
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||||
|
||||
# Pyre type checker
|
||||
.pyre/
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||||
|
||||
# pytype static type analyzer
|
||||
.pytype/
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||||
|
||||
# Cython debug symbols
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||||
cython_debug/
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||||
|
||||
### JetBrains template
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||||
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
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||||
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
|
||||
|
||||
# User-specific stuff
|
||||
.idea/**/workspace.xml
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||||
.idea/**/tasks.xml
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||||
.idea/**/usage.statistics.xml
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||||
.idea/**/dictionaries
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||||
.idea/**/shelf
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||||
|
||||
# Generated files
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||||
.idea/**/contentModel.xml
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||||
|
||||
# Sensitive or high-churn files
|
||||
.idea/**/dataSources/
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||||
.idea/**/dataSources.ids
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||||
.idea/**/dataSources.local.xml
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||||
.idea/**/sqlDataSources.xml
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||||
.idea/**/dynamic.xml
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||||
.idea/**/uiDesigner.xml
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||||
.idea/**/dbnavigator.xml
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||||
|
||||
# Gradle
|
||||
.idea/**/gradle.xml
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||||
.idea/**/libraries
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||||
|
||||
# Gradle and Maven with auto-import
|
||||
# When using Gradle or Maven with auto-import, you should exclude module files,
|
||||
# since they will be recreated, and may cause churn. Uncomment if using
|
||||
# auto-import.
|
||||
# .idea/artifacts
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||||
# .idea/compiler.xml
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||||
# .idea/jarRepositories.xml
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||||
# .idea/modules.xml
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||||
# .idea/*.iml
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||||
# .idea/modules
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# *.iml
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||||
# *.ipr
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||||
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||||
# CMake
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||||
cmake-build-*/
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||||
|
||||
# Mongo Explorer plugin
|
||||
.idea/**/mongoSettings.xml
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||||
|
||||
# File-based project format
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||||
*.iws
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||||
|
||||
# IntelliJ
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||||
out/
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||||
|
||||
# mpeltonen/sbt-idea plugin
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||||
.idea_modules/
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||||
|
||||
# JIRA plugin
|
||||
atlassian-ide-plugin.xml
|
||||
|
||||
# Cursive Clojure plugin
|
||||
.idea/replstate.xml
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||||
|
||||
# Crashlytics plugin (for Android Studio and IntelliJ)
|
||||
com_crashlytics_export_strings.xml
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||||
crashlytics.properties
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||||
crashlytics-build.properties
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||||
fabric.properties
|
||||
|
||||
# Editor-based Rest Client
|
||||
.idea/httpRequests
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||||
|
||||
# Android studio 3.1+ serialized cache file
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||||
.idea/caches/build_file_checksums.ser
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||||
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||||
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@ -0,0 +1,5 @@
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|||
# Default ignored files
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||||
/shelf/
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/workspace.xml
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||||
# Editor-based HTTP Client requests
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||||
/httpRequests/
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||||
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@ -0,0 +1,24 @@
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<component name="InspectionProjectProfileManager">
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||||
<profile version="1.0">
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||||
<option name="myName" value="Project Default" />
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||||
<inspection_tool class="PyCompatibilityInspection" enabled="true" level="WARNING" enabled_by_default="true">
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||||
<option name="ourVersions">
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||||
<value>
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||||
<list size="4">
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||||
<item index="0" class="java.lang.String" itemvalue="3.6" />
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||||
<item index="1" class="java.lang.String" itemvalue="3.7" />
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||||
<item index="2" class="java.lang.String" itemvalue="3.8" />
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||||
<item index="3" class="java.lang.String" itemvalue="3.9" />
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||||
</list>
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||||
</value>
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||||
</option>
|
||||
</inspection_tool>
|
||||
<inspection_tool class="PyPackageRequirementsInspection" enabled="true" level="INFORMATION" enabled_by_default="true">
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||||
<option name="ignoredPackages">
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||||
<value>
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||||
<list size="0" />
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||||
</value>
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||||
</option>
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||||
</inspection_tool>
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||||
</profile>
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||||
</component>
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@ -0,0 +1,7 @@
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|||
<component name="InspectionProjectProfileManager">
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||||
<settings>
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||||
<option name="PROJECT_PROFILE" value="Default" />
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||||
<option name="USE_PROJECT_PROFILE" value="false" />
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||||
<version value="1.0" />
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||||
</settings>
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||||
</component>
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||||
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@ -0,0 +1,4 @@
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|||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<project version="4">
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||||
<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8 (.venv)" project-jdk-type="Python SDK" />
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||||
</project>
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@ -0,0 +1,8 @@
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<?xml version="1.0" encoding="UTF-8"?>
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||||
<project version="4">
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||||
<component name="ProjectModuleManager">
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||||
<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/podlaunch.iml" filepath="$PROJECT_DIR$/.idea/podlaunch.iml" />
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</modules>
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||||
</component>
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||||
</project>
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@ -0,0 +1,8 @@
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<?xml version="1.0" encoding="UTF-8"?>
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||||
<module type="PYTHON_MODULE" version="4">
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||||
<component name="NewModuleRootManager">
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||||
<content url="file://$MODULE_DIR$" />
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||||
<orderEntry type="inheritedJdk" />
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||||
<orderEntry type="sourceFolder" forTests="false" />
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||||
</component>
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||||
</module>
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MIT License
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Copyright (c) 2020 Benedikt Ziemons
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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||||
copies of the Software, and to permit persons to whom the Software is
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||||
furnished to do so, subject to the following conditions:
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||||
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||||
The above copyright notice and this permission notice shall be included in all
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||||
copies or substantial portions of the Software.
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||||
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||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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@ -0,0 +1,118 @@
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import json
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import os
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import pathlib
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import sys
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import threading
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import traceback
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from datetime import datetime
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from signal import signal, SIGCHLD, SIGHUP, SIGINT, SIGTERM, setitimer, SIGALRM, ITIMER_REAL
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import click
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import sh
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# noinspection PyUnresolvedReferences
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from sh import podman
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SERVICES_BASE_PATH = "/docker/services/"
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sdnotify = sh.Command("systemd-notify")
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class PodKeeper:
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def __init__(self, network, identifier):
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self.podnet_args = ("--network", network) if network else ()
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identifier_path = pathlib.PurePath(identifier)
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if len(identifier_path.parts) != 1:
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raise ValueError(f"identifier has too many parts: {identifier_path}")
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self.podhome = pathlib.Path(SERVICES_BASE_PATH) / identifier_path
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if not self.podhome.exists():
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raise NotADirectoryError(f"pod home does not exist: {self.podhome}")
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self.podname = f"{identifier}_pod"
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self.podyaml = f"pod-{identifier}.yaml"
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podyaml_complete = (self.podhome / self.podyaml)
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if not podyaml_complete.exists():
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raise FileNotFoundError(f"pod definition does not exist: {podyaml_complete}")
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self.stopping = threading.Event()
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self.reloading = threading.Event()
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self.checking = threading.Event()
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self.waiter = threading.Event()
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def destroy(self):
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self.stopping.set()
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self.waiter.set()
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def reload(self):
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self.reloading.set()
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self.waiter.set()
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def check(self):
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self.checking.set()
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self.waiter.set()
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def run(self):
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os.chdir(self.podhome)
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last_check = datetime.utcnow()
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print(f"Starting pod {self.podname} at {last_check}", file=sys.stderr, flush=True)
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podman.play.kube(self.podyaml, *self.podnet_args)
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sdnotify("--ready")
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while not self.stopping.is_set():
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self.waiter.wait()
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self.waiter.clear()
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if self.checking.is_set():
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self.checking.clear()
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new_timestamp = datetime.utcnow()
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pod_description = json.loads(podman.pod.inspect(self.podname))
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for container in pod_description["Containers"]:
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if container["State"] != "running":
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print(f"Container {container['name']} exited", file=sys.stderr, flush=True)
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print(f"Log since last check:\n{podman.logs('--since', last_check.isoformat(), container['name'])}", file=sys.stderr, flush=True)
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self.destroy()
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last_check = new_timestamp
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if self.reloading.is_set():
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self.reloading.clear()
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print("Reloading pod", self.podname, file=sys.stderr, flush=True)
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try:
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podman.pod.kill("--signal", "HUP", self.podname)
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except sh.ErrorReturnCode:
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print("Error reloading pod", file=sys.stderr, flush=True)
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traceback.print_exc()
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self.stop_sequence()
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def stop_sequence(self):
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print("Stopping pod", self.podname, file=sys.stderr, flush=True)
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try:
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podman.pod.stop("-t", "19", self.podname)
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successful_stopped = True
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except sh.ErrorReturnCode:
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print(f"First stop of {self.podname} was not successful!", file=sys.stderr, flush=True)
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successful_stopped = False
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try:
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podman.pod.stop("-t", "5", self.podname)
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except sh.ErrorReturnCode:
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if not successful_stopped:
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print(f"Second stop of {self.podname} was not successful!", file=sys.stderr, flush=True)
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try:
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podman.pod.rm(self.podname)
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except sh.ErrorReturnCode:
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print(f"Removal of {self.podname} was not successful!", file=sys.stderr, flush=True)
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@click.command()
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@click.option("--network", default="brodge", help="Network for the created pod")
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@click.argument("identifier")
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def main(network, identifier):
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keeper = PodKeeper(network, identifier)
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signal(SIGCHLD, keeper.destroy)
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signal(SIGINT, keeper.destroy)
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signal(SIGTERM, keeper.destroy)
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signal(SIGHUP, keeper.reload)
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signal(SIGALRM, keeper.check)
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setitimer(ITIMER_REAL, 4.0, 10.0)
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keeper.run()
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if __name__ == '__main__':
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main()
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[Unit]
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Description=Podman pod@%i
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Documentation=man:podman-generate-systemd(1)
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Wants=network.target
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After=network-online.target
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[Service]
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||||
Type=simple
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||||
Environment=PODMAN_SYSTEMD_UNIT=%n
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||||
ExecStart=/usr/local/bin/podlaunch %i
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Restart=on-failure
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||||
RestartSec=30s
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||||
TimeoutStartSec=2min
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||||
TimeoutStopSec=1min
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||||
KillMode=none
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||||
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||||
[Install]
|
||||
WantedBy=multi-user.target default.target
|
||||
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