[CI] Add podman build

Change-Id: I41b89ec87a4849668102ca9c9cc79f0ef9944b85

.zuul.d/base.yaml

@@ -140,6 +140,7 @@
       - ^tox\.ini$
     vars:
       publisher: false
+      container_engine: "docker"
     extra-vars:
       kolla_logs_dir: "{{ zuul_output_dir }}/logs/kolla"
       kolla_build_logs_dir: "{{ kolla_logs_dir }}/build"

.zuul.d/debian.yaml

@@ -3,6 +3,7 @@
     check:
       jobs:
         - kolla-build-debian
+        - kolla-build-debian-podman
         - kolla-ansible-debian:
             vars:
               kolla_python_version: "3.11"
@@ -19,6 +20,7 @@
     gate:
       jobs:
         - kolla-build-debian
+        - kolla-build-debian-podman
         - kolla-ansible-debian:
             vars:
               kolla_python_version: "3.11"
@@ -47,6 +49,15 @@
       base_distro: debian
       base_distro_version: bookworm
 
+- job:
+    name: kolla-build-debian-podman
+    parent: kolla-base
+    nodeset: kolla-debian-bookworm
+    vars:
+      base_distro: debian
+      base_distro_version: bookworm
+      container_engine: podman
+
 - job:
     name: kolla-build-debian-aarch64
     parent: kolla-build-debian

.zuul.d/rocky.yaml

@@ -3,6 +3,7 @@
     check:
       jobs:
         - kolla-build-rocky9
+        - kolla-build-rocky9-podman
         - kolla-ansible-rocky9
         - kolla-ansible-rocky9-upgrade
         # Test rabbitmq and mariadb in multinode ceph jobs.
@@ -36,6 +37,7 @@
     gate:
       jobs:
         - kolla-build-rocky9
+        - kolla-build-rocky9-podman
         - kolla-ansible-rocky9
         - kolla-ansible-rocky9-upgrade
     periodic:
@@ -56,6 +58,15 @@
       base_distro: rocky
       base_distro_version: 9
 
+- job:
+    name: kolla-build-rocky9-podman
+    parent: kolla-base
+    nodeset: kolla-rockylinux-9
+    vars:
+      base_distro: rocky
+      base_distro_version: 9
+      container_engine: podman
+
 - job:
     name: kolla-build-rocky9-aarch64
     parent: kolla-build-rocky9

.zuul.d/ubuntu.yaml

@@ -3,6 +3,7 @@
     check:
       jobs:
         - kolla-build-ubuntu
+        - kolla-build-ubuntu-podman
         - kolla-ansible-ubuntu
         - kolla-ansible-ubuntu-upgrade
         # Test rabbitmq and mariadb in multinode ceph jobs.
@@ -36,6 +37,7 @@
     gate:
       jobs:
         - kolla-build-ubuntu
+        - kolla-build-ubuntu-podman
         - kolla-ansible-ubuntu
         - kolla-ansible-ubuntu-upgrade
     periodic:
@@ -56,6 +58,15 @@
       base_distro: ubuntu
       base_distro_version: jammy
 
+- job:
+    name: kolla-build-ubuntu-podman
+    parent: kolla-base
+    nodeset: kolla-ubuntu-jammy
+    vars:
+      base_distro: ubuntu
+      base_distro_version: jammy
+      container_engine: podman
+
 - job:
     name: kolla-build-ubuntu-aarch64
     parent: kolla-build-ubuntu

tests/playbooks/post.yml

@@ -12,6 +12,8 @@
           set +o errexit
           set -o xtrace
 
+          container_engine={{ container_engine }}
+
           # copy system log
           sudo cp -r /var/log system_log
 
@@ -19,16 +21,22 @@
               # the journal gives us syslog() and kernel output, so is like
               # a concatenation of the above.
               sudo journalctl --no-pager > syslog.txt
-              sudo journalctl --no-pager -u docker.service > docker.log
+              sudo journalctl --no-pager -u {{ container_engine }}.service > {{ container_engine }}.log
           else
               # assume rsyslog
               sudo cp /var/log/syslog syslog.txt
               sudo cp /var/log/kern.log kern_log.txt
-              sudo cp /var/log/upstart/docker.log docker.log
+              sudo cp /var/log/upstart/{{ container_engine }}.log {{ container_engine }}.log
           fi
 
-          if sudo test -d /var/lib/docker/volumes/kolla_logs/_data; then
-              sudo cp -r /var/lib/docker/volumes/kolla_logs/_data kolla_logs
+          if [ "${container_engine}" == "docker" ]; then
+              if sudo test -d /var/lib/docker/volumes/kolla_logs/_data; then
+                  sudo cp -r /var/lib/docker/volumes/kolla_logs/_data kolla_logs
+              fi
+          else
+              if sudo test -d /var/lib/containers/storage/volumes/kolla_logs/_data; then
+                  sudo cp -r /var/lib/containers/storage/volumes/kolla_logs/_data kolla_logs
+              fi
           fi
 
           # sudo config
@@ -52,7 +60,7 @@
           ps -eo user,pid,ppid,lwp,%cpu,%mem,size,rss,cmd > ps.txt
 
           # docker related information
-          (docker info && docker system df && docker system df -v) > docker-info.txt
+          ({{ container_engine }} info && {{ container_engine }} system df && {{ container_engine }} system df -v) > {{ container_engine }}-info.txt
 
           sudo cp -r /etc/kolla kolla_configs
 

tests/playbooks/pre.yml

@@ -110,6 +110,10 @@
     - name: Install kolla
       command: "{{ virtualenv_path }}/bin/python -m pip install {{ zuul.project.src_dir }}"
 
+    - name: Install podman python library
+      command: "{{ virtualenv_path }}/bin/python -m pip install podman"
+      when: container_engine == "podman"
+
     - name: Configure Docker repo for Debian/Ubuntu
       block:
         - name: Add key for Docker APT repository
@@ -127,7 +131,9 @@
             name: apparmor
             state: present
 
-      when: ansible_os_family == "Debian"
+      when:
+        - ansible_os_family == "Debian"
+        - container_engine == "docker"
       become: true
 
     - name: Configure Docker repo for CentOS
@@ -146,42 +152,91 @@
           lineinfile:
             path: /etc/yum.repos.d/docker.repo
             line: 'module_hotfixes=True'
-      when: ansible_os_family == "RedHat"
+      when:
+        - ansible_os_family == "RedHat"
+        - container_engine == "docker"
       become: true
 
-    - name: Ensure /etc/docker exists
-      become: true
-      file:
-        path: /etc/docker
-        state: directory
-        mode: 0755
+    - name: Configure docker
+      block:
+        - name: Ensure /etc/docker exists
+          become: true
+          file:
+            path: /etc/docker
+            state: directory
+            mode: 0755
 
-    - name: Configure registry-mirror in daemon.json
-      become: true
-      copy:
-        dest: /etc/docker/daemon.json
-        content: |
-          {
-            "registry-mirrors": [
-              "http://{{ zuul_site_mirror_fqdn }}:8082/"
-            ]
-          }
+        - name: Configure registry-mirror in daemon.json
+          become: true
+          copy:
+            dest: /etc/docker/daemon.json
+            content: |
+              {
+                "registry-mirrors": [
+                  "http://{{ zuul_site_mirror_fqdn }}:8082/"
+                ]
+              }
 
-    # NOTE(yoctozepto): We configure Docker before installing it because Debuntu starts services
-    # during installation.
-    - name: Install Docker
-      package:
-        name: docker-ce
-      become: true
+        # NOTE(yoctozepto): We configure Docker before installing it because Debuntu starts services
+        # during installation.
+        - name: Install Docker
+          package:
+            name: docker-ce
+          become: true
 
-    - name: Ensure Docker service is started
-      service:
-        name: docker
-        state: started
-      become: true
+        - name: Ensure Docker service is started
+          service:
+            name: docker
+            state: started
+          become: true
 
-    - name: Ensure Docker socket is world-writable
-      file:
-        path: /run/docker.sock
-        mode: 0666
-      become: true
+        - name: Ensure Docker socket is world-writable
+          file:
+            path: /run/docker.sock
+            mode: 0666
+          become: true
+      when:
+        - container_engine == "docker"
+
+    - name: Configure podman
+      block:
+        - name: Ensure /etc/containers exists
+          become: true
+          file:
+            path: /etc/containers
+            state: directory
+            mode: 0755
+
+        - name: Configure registries.conf
+          become: true
+          copy:
+            dest: /etc/containers/registries.conf
+            content: |
+              unqualified-search-registries = ['docker.io']
+
+              [[registry]]
+              prefix = "docker.io"
+              location = "docker.io"
+
+              [[registry.mirror]]
+              prefix = "docker.io"
+              location = "{{ zuul_site_mirror_fqdn }}:8082"
+
+        - name: Install Podman
+          package:
+            name: podman
+          become: true
+
+        - name: Ensure Podman service is started
+          service:
+            name: podman
+            state: started
+          become: true
+
+        - name: Ensure Podman socket is world-writable
+          file:
+            path: /run/podman/podman.sock
+            mode: 0666
+          become: true
+      when:
+        - container_engine == "podman"

tests/playbooks/run.yml

@@ -10,6 +10,7 @@
         logs_dir: "{{ kolla_build_logs_dir }}"
         quiet: true
         base: "{{ base_distro }}"
+        engine: "{{ container_engine }}"
         template_override: /etc/kolla/template_overrides.j2
         # NOTE(yoctozepto): to avoid issues with IPv6 not enabled in the docker daemon
         # and since we don't need isolated networks here, use host networking