Add Alpine support (#166)

* AL-5888: add ansible playbooks for Alpine systems

* Fixes after testing

* Enabling --allow-untrusted flag for apk commands

---------

Co-authored-by: bklvsky <alexandrakachanova@gmail.com>

Author: anfimovdm

alts/shared/constants.py

@@ -1,6 +1,7 @@
 from enum import IntEnum
 
 __all__ = [
+    'ALPINE_FLAVORS',
     'API_VERSION',
     'ARCHITECTURES',
     'ALLOWED_CHANNELS',
@@ -39,13 +40,14 @@
     'ppc64le',
 ]
 SUPPORTED_ARCHITECTURES = X32_ARCHITECTURES + X64_ARCHITECTURES + ['s390x']
-SUPPORTED_DISTRIBUTIONS = ['almalinux', 'centos', 'ubuntu', 'debian']
+SUPPORTED_DISTRIBUTIONS = ['almalinux', 'centos', 'ubuntu', 'debian', 'alpine']
 RHEL_FLAVORS = [
     'rhel',
     'fedora',
     'centos',
     'almalinux',
 ]
+ALPINE_FLAVORS = ['alpine']
 DEBIAN_FLAVORS = ['debian', 'ubuntu', 'raspbian']
 ALLOWED_CHANNELS = ['stable', 'beta']
 

alts/shared/models.py

@@ -290,6 +290,7 @@ def __init__(self, **data):
     # Supported architectures and distributions
     supported_architectures: List[str] = constants.SUPPORTED_ARCHITECTURES
     rhel_flavors: List[str] = constants.RHEL_FLAVORS
+    alpine_flavors: List[str] = constants.ALPINE_FLAVORS
     debian_flavors: List[str] = constants.DEBIAN_FLAVORS
     supported_runners: Union[List[str], str] = 'all'
     allowed_channel_names: List[str] = constants.ALLOWED_CHANNELS
@@ -356,7 +357,7 @@ def broker_url(self) -> str:
     @computed_field(return_type=Set[str])
     @property
     def supported_distributions(self):
-        return set(self.rhel_flavors + self.debian_flavors)
+        return set(self.rhel_flavors + self.debian_flavors + self.alpine_flavors)
 
     def get_celery_config_dict(self) -> Dict[str, Any]:
         config_dict = {

alts/worker/runners/base.py

@@ -311,6 +311,8 @@ def pkg_manager(self):
             return 'yum'
         if self._dist_name in CONFIG.debian_flavors:
             return 'apt-get'
+        if self._dist_name in CONFIG.alpine_flavors:
+            return 'apk'
         raise ValueError(f'Unknown distribution: {self._dist_name}')
 
     @property
@@ -786,6 +788,9 @@ def get_system_info_commands_list(self) -> Dict[str, tuple]:
                 'find', '/etc/yum.repos.d/', '-type', 'f',
                 '-exec', 'cat', '{}', '+'
             )
+        elif self._dist_name in CONFIG.alpine_flavors:
+            basic_commands['Installed packages'] = ('apk', '--allow-untrusted', 'info', '-vv')
+            basic_commands['Repositories list'] = ('cat', '/etc/apk/repositories')
         else:
             basic_commands['Installed packages'] = ('dpkg', '-l')
             basic_commands['Repositories list'] = ('apt-cache', 'policy')
@@ -1175,6 +1180,8 @@ def check_package_existence(
         elif self.dist_name in CONFIG.debian_flavors:
             cmd = ('dpkg-query', '-Wf', r'${db:Status-Status} ${Package}\n',
                    package_name)
+        elif self.dist_name in CONFIG.alpine_flavors:
+            cmd = ('apk', '--allow-untrusted', 'info', '-e', package_name)
         else:
             raise ValueError(f'Unknown distribution: {self.dist_name}')
         exit_code, stdout, stderr = self.exec_command(*cmd)

alts/worker/runners/docker.py

@@ -259,6 +259,9 @@ def initial_provision(self, verbose=False):
                 'find', '/etc/yum.repos.d', '-type', 'f', '-exec',
                 'rm', '-f', '{}', '+',
             )
+        if self.dist_name in CONFIG.alpine_flavors:
+            self._logger.info('Installing python3 apk package for alpine...')
+            self.exec_command('apk', '--allow-untrusted', 'add', 'python3')
         return super().initial_provision(verbose=verbose)
 
     @command_decorator(

resources/roles/install_uninstall/tasks/main.yml

@@ -1,5 +1,11 @@
 ---
 
+- set_fact:
+    short_apk_pkg_name: "{{ pkg_name.split('=')[0] }}"
+  when: ansible_facts['os_family'] == 'Alpine'
+  tags:
+    - uninstall_package
+
 - set_fact:
     short_deb_pkg_name: "{{ pkg_name.split('=')[0] }}"
   when: ansible_distribution_file_variety == 'Debian'
@@ -83,3 +89,25 @@
   when: ansible_distribution_file_variety == 'Debian' and deb_installed.rc == 0
   tags:
     - uninstall_package
+
+- name: Install APK package
+  shell:
+    cmd: "apk --allow-untrusted add {{ pkg_name }}"
+  when: ansible_facts['os_family'] == 'Alpine'
+  tags:
+    - install_package
+
+- name: Check APK package is installed
+  shell: "apk --allow-untrusted info -e {{ short_apk_pkg_name }}"
+  register: apk_installed
+  failed_when: apk_installed.rc not in [0, 1]
+  when: ansible_facts['os_family'] == 'Alpine'
+  tags:
+    - uninstall_package
+
+- name: Uninstall APK package
+  shell:
+    cmd: "apk --allow-untrusted del {{ pkg_name }}"
+  when: ansible_facts['os_family'] == 'Alpine' and apk_installed.rc == 0
+  tags:
+    - uninstall_package

resources/roles/preparation/tasks/alpine.yml

@@ -0,0 +1,30 @@
+---
+- name: Update Alpine packages
+  command: apk --allow-untrusted update && apk --allow-untrusted upgrade
+
+- name: Add custom APK repository to /etc/apk/repositories
+  lineinfile:
+    path: /etc/apk/repositories
+    line: "{{ item.url }}"
+    state: present
+  with_items: "{{ repositories }}"
+  when: repositories is defined and repositories | length > 0
+
+- name: Update APK index cache
+  command: apk --allow-untrusted update
+
+- name: Install required packages on Alpine
+  command: apk --allow-untrusted add ansible bats python3 py3-pip ca-certificates procps file iproute2
+
+- name: Install test tools in virtualenv (Alpine)
+  pip:
+    name:
+      - pytest
+      - pytest-testinfra
+      - pytest-check
+      - pytest-tap
+    virtualenv: /opt/testenv
+    virtualenv_command: python3 -m venv
+  when: ansible_facts.os_family == 'Alpine' and pytest_is_needed | bool
+  tags:
+    - initial_provision

resources/roles/preparation/tasks/main.yml

@@ -14,6 +14,13 @@
   tags:
     - initial_provision
 
+- name: Initial provision for Alpine distributions
+  include_tasks:
+    file: alpine.yml
+  when: ansible_facts.os_family == 'Alpine'
+  tags:
+    - initial_provision
+
 - name: Copy tests to test environment
   copy:
     src: "{{ integrity_tests_dir }}"
@@ -29,7 +36,7 @@
       - pytest-testinfra
       - pytest-check
       - pytest-tap
-  when: pytest_is_needed | bool
+  when: ansible_facts.os_family != 'Alpine' and pytest_is_needed | bool
   tags:
     - initial_provision
 
@@ -44,10 +51,25 @@
   with_items:
     - "/usr/lib64/firefox"
     - "/usr/lib64/thunderbird"
+  when: ansible_facts['distribution'] != 'Alpine'
   tags:
     - initial_provision
 
 - name: Reload ldconfig
   shell: ldconfig
   tags:
     - initial_provision
+  when: ansible_facts['distribution'] != 'Alpine'
+
+
+- name: Add custom LD_LIBRARY_PATH for Alpine
+  copy:
+    dest: /etc/profile.d/custom-libs.sh
+    content: |
+      export LD_LIBRARY_PATH=/usr/lib/firefox:/usr/lib/thunderbird:$LD_LIBRARY_PATH
+    owner: root
+    group: root
+    mode: 0644
+  when: ansible_facts['distribution'] == 'Alpine'
+  tags:
+    - initial_provision