implement baikal

Reviewed-on: #1
Co-authored-by: Denis Nutiu <dnutiu@nuculabs.dev>
Co-committed-by: Denis Nutiu <dnutiu@nuculabs.dev>

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/ansible-playbooks.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="Python 3.13" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TemplatesService">
+    <option name="TEMPLATE_FOLDERS">
+      <list>
+        <option value="$MODULE_DIR$/fresh-rss/templates" />
+      </list>
+    </option>
+  </component>
+</module>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/ansible-playbooks.iml" filepath="$PROJECT_DIR$/.idea/ansible-playbooks.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

sabre-dav/.gitignore

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+
+# Created by https://www.gitignore.io/api/macos,python,ansible
+# Edit at https://www.gitignore.io/?templates=macos,python,ansible
+
+### Ansible ###
+*.retry
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don’t work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# Downloaded files
+root@*
+
+# End of https://www.gitignore.io/api/macos,python,ansible

sabre-dav/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

sabre-dav/.idea/inspectionProfiles/profiles_settings.xml

@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

sabre-dav/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.13 (sabre-dav)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13 (sabre-dav)" project-jdk-type="Python SDK" />
+</project>

sabre-dav/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/sabre-dav.iml" filepath="$PROJECT_DIR$/.idea/sabre-dav.iml" />
+    </modules>
+  </component>
+</project>

sabre-dav/.idea/sabre-dav.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.13 (sabre-dav)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TemplatesService">
+    <option name="TEMPLATE_FOLDERS">
+      <list>
+        <option value="$MODULE_DIR$/templates" />
+      </list>
+    </option>
+  </component>
+</module>

sabre-dav/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

sabre-dav/Makefile

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+install:
+	sudo dnf install ansible
+	ansible-galaxy collection install community.general
+	ansible-galaxy collection install containers.podman
+	ansible-galaxy collection install ansible.posix
+list-hosts:
+	ansible-inventory -i inventory.ini --list
+run:
+	ansible-playbook -i inventory.ini playbook.yaml --ask-become-pass

sabre-dav/inventory.ini

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+[nuculabs]
+my-linux.box ansible_user=ansible
+
+[local]
+localhost

sabre-dav/playbook.yaml

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+- name: Install Baïkal server
+  hosts: nuculabs
+  become: true
+  become_method: sudo
+  vars_files:
+    - variables.yaml
+  tasks:
+    # Create necessary directories.
+    - name: "Create directories"
+      block:
+        - name: Create base directory
+          ansible.builtin.file:
+            path: "{{ baikal.base_directory }}"
+            state: directory
+            mode: "0755"
+          ignore_errors: true
+        - name: Create data directory
+          ansible.builtin.file:
+            path: "{{ baikal.base_directory }}/{{ baikal.data_directory }}"
+            state: directory
+            mode: "0755"
+          ignore_errors: true
+        - name: Create extensions directory
+          ansible.builtin.file:
+            path: "{{ baikal.base_directory }}/{{ baikal.config_directory }}"
+            state: directory
+            mode: "0755"
+          ignore_errors: true
+#    - name: Setup SELinux
+#      block:
+#        - name: Ensure Udica is installed
+#          ansible.builtin.package:
+#            name: udica
+#            state: present
+#        - name: Ensure container-selinux is installed
+#          ansible.builtin.package:
+#            name: container-selinux
+#            state: present
+#        - name: Copy baikal cil
+#          ansible.builtin.copy:
+#            src: ./templates/selinux/baikal.cil
+#            dest: /tmp/baikal.cil
+#            mode: "0644"
+#        - name: Load baikal CIL policy
+#          ansible.builtin.command:
+#            argv:
+#              - semodule
+#              - -i
+#              - /tmp/baikal.cil
+#              - /usr/share/udica/templates/base_container.cil
+#              - /usr/share/udica/templates/net_container.cil
+#      when: setup_selinux
+    - name: Setup Container
+      block:
+        - name: Ensure Podman is installed
+          ansible.builtin.package:
+            name: podman
+            state: present
+        - name: Pull image
+          containers.podman.podman_image:
+            name: "{{ baikal.container_image }}"
+            state: present
+        - name: "Copy container"
+          ansible.builtin.template:
+            src: ./templates/container/baikal.container.j2
+            dest: /etc/containers/systemd/baikal.container
+            mode: "0644"
+        - name: Reload systemd
+          ansible.builtin.command:
+            cmd: systemctl daemon-reload
+        - name: Stop service
+          ansible.builtin.systemd_service:
+            name: baikal.service
+            state: stopped
+            enabled: true
+        - name: Enable service
+          ansible.builtin.systemd_service:
+            name: baikal.service
+            state: started
+            enabled: true
+    - name: Setup firewall
+      block:
+        - name: Create firewalld service
+          ansible.builtin.template:
+            src: ./templates/firewall/baikal.xml.j2
+            dest: /etc/firewalld/services/baikal.xml
+            mode: "0644"
+        - name: Reload firewalld
+          ansible.builtin.command:
+            argv:
+              - firewall-cmd
+              - --reload
+        - name: Enable firewalld service
+          ansible.posix.firewalld:
+            service: baikal
+            state: enabled
+            permanent: true
+            immediate: true
+            offline: true
+      when: setup_firewall

sabre-dav/readme.md

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+# Self Hosted Baïkal server
+
+Baïkal is a lightweight CalDAV+CardDAV server. It offers an extensive web interface with easy management of users, 
+address books and calendars. It is fast and simple to install and only needs a basic php capable server. 
+The data can be stored in a MySQL or a SQLite database.
+
+It was tested on Fedora 41.
+
+References:
+- https://sabre.io/baikal/
+- https://hub.docker.com/r/ckulka/baikal

sabre-dav/templates/container/baikal.container.j2

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+[Unit]
+Description=baikal
+
+[Container]
+Image={{ baikal.container_image }}
+AutoUpdate=registry
+PublishPort={{ baikal.port }}:80/tcp
+Volume={{ baikal.base_directory }}/{{ baikal.data_directory }}:/var/www/baikal/Specific:Z
+Volume={{ baikal.base_directory }}/{{ baikal.config_directory }}:/var/www/baikal/config:Z
+Environment=MSMTPRC={{ baikal.mail }}
+
+[Service]
+# Inform systemd of additional exit status
+SuccessExitStatus=0 143
+
+[Install]
+# Start by default on boot
+WantedBy=default.target

sabre-dav/templates/firewall/baikal.xml.j2

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+<?xml version="1.0" encoding="utf-8"?>
+<service>
+  <short>Baikal Calendar</short>
+  <description>A lightweight CalDAV+CardDAV server.</description>
+  <port protocol="tcp" port="{{ baikal.port }}" />
+</service>

sabre-dav/templates/selinux/baikal.cil

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+(block freshrss
+    (blockinherit container)
+    (blockinherit restricted_net_container)
+
+    (allow process default_t (dir (setattr add_name write create)))
+    (allow process default_t (file (create)))
+    (allow process http_port_t (tcp_socket (name_bind)))
+)

sabre-dav/variables.yaml

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+setup_selinux: true
+setup_firewall: true # exposes the firewall ports
+baikal:
+  container_image: "docker.io/ckulka/baikal:nginx"
+  port: 8069
+  base_directory: "/baikal"
+  data_directory: "data"
+  config_directory: "config"
+  mail: "" # note you will need to inline the following variables
+#    defaults
+#    auth           on
+#    tls            on
+#    tls_trust_file /etc/ssl/certs/ca-certificates.crt
+#    account        default
+#    host           <smtp host>
+#    port           587
+#    from           baikal@example.com
+#    user           <user>
+#    password       <password>