CI: Move ephemeral disk config to a role

Change-Id: Ieee71aa22f4ec45fe03f50fd697c85dda952b4d0

.zuul.d/base.yaml

@@ -146,6 +146,13 @@
       kolla_build_logs_dir: "{{ kolla_logs_dir }}/build"
       virtualenv_path: "/tmp/kolla-virtualenv"
 
+- job:
+    name: kolla-base-podman
+    parent: kolla-base
+    vars:
+      container_engine: "podman"
+      configure_ephemeral_mountpoint: "/var/lib/containers"
+
 - job:
     name: kolla-build-no-infra-wheels-base
     parent: kolla-base

.zuul.d/debian.yaml

@@ -51,12 +51,11 @@
 
 - job:
     name: kolla-build-debian-podman
-    parent: kolla-base
+    parent: kolla-base-podman
     nodeset: kolla-debian-bookworm
     vars:
       base_distro: debian
       base_distro_version: bookworm
-      container_engine: podman
 
 - job:
     name: kolla-build-debian-aarch64

.zuul.d/rocky.yaml

@@ -58,12 +58,11 @@
 
 - job:
     name: kolla-build-rocky9-podman
-    parent: kolla-base
+    parent: kolla-base-podman
     nodeset: kolla-rockylinux-9
     vars:
       base_distro: rocky
       base_distro_version: 9
-      container_engine: podman
 
 - job:
     name: kolla-build-rocky9-aarch64

.zuul.d/ubuntu.yaml

@@ -58,12 +58,11 @@
 
 - job:
     name: kolla-build-ubuntu-podman
-    parent: kolla-base
+    parent: kolla-base-podman
     nodeset: kolla-ubuntu-jammy
     vars:
       base_distro: ubuntu
       base_distro_version: jammy
-      container_engine: podman
 
 - job:
     name: kolla-build-ubuntu-aarch64

roles/configure-ephemeral/defaults/main.yml

@@ -0,0 +1,2 @@
+---
+configure_ephemeral_mountpoint: "/var/lib/docker"

roles/configure-ephemeral/tasks/main.yml

@@ -0,0 +1,70 @@
+---
+# On RAX hosts, we have a small root partition and a large,
+# unallocated ephemeral device attached at /dev/xvde
+- name: Set ephemeral device if /dev/xvde exists
+  when: ansible_devices["xvde"] is defined
+  set_fact:
+    ephemeral_device: "/dev/xvde"
+
+# On other providers, we have a device called "ephemeral0".
+- name: Set ephemeral device by label
+  when: ephemeral_device is undefined
+  block:
+    - name: Get ephemeral0 device node
+      command: /sbin/blkid -L ephemeral0
+      register: ephemeral0
+      # rc !=0 is expected
+      failed_when: False
+      changed_when: False
+
+    - name: Set ephemeral device if LABEL exists
+      when: "ephemeral0.rc == 0"
+      set_fact:
+        ephemeral_device: "{{ ephemeral0.stdout }}"
+
+- name: Configure additional disk (if available)
+  become: true
+  when: ephemeral_device is defined
+  block:
+    - name: Ensure ephemeral device is unmounted
+      ansible.posix.mount:
+        name: "{{ ephemeral_device }}"
+        state: "{{ item }}"
+      loop:
+        - unmounted
+        - absent
+
+    - name: Get existing partitions
+      community.general.parted:
+        device: "{{ ephemeral_device }}"
+        unit: MiB
+        state: info
+      register: ephemeral_partitions
+
+    - name: Remove any existing partitions
+      community.general.parted:
+        device: "{{ ephemeral_device }}"
+        number: "{{ item.num }}"
+        state: absent
+      loop: "{{ ephemeral_partitions.partitions }}"
+
+    - name: Create filesystem on additional disk
+      community.general.filesystem:
+        fstype: ext4
+        dev: "{{ ephemeral_device }}"
+        opts: "-L kolla"
+
+    - name: "Ensure {{ configure_ephemeral_mountpoint }} mountpoint is created"
+      ansible.builtin.file:
+        path: "{{ configure_ephemeral_mountpoint }}"
+        owner: root
+        group: root
+        state: directory
+        mode: 0755
+
+    - name: Mount additional filesystem
+      ansible.posix.mount:
+        path: "{{ configure_ephemeral_mountpoint }}"
+        src: "LABEL=kolla"
+        fstype: ext4
+        state: mounted

tests/playbooks/pre.yml

@@ -2,6 +2,8 @@
 - hosts: all
   vars_files:
     - ../vars/zuul.yml
+  roles:
+    - configure-ephemeral
   tasks:
     - name: Create dir for kolla logs
       file:
@@ -18,76 +20,6 @@
         path: "{{ kolla_build_logs_dir }}"
         state: directory
 
-    # On RAX hosts, we have a small root partition and a large,
-    # unallocated ephemeral device attached at /dev/xvde
-    - name: Set ephemeral device if /dev/xvde exists
-      when: ansible_devices["xvde"] is defined
-      set_fact:
-        ephemeral_device: "/dev/xvde"
-
-    # On other providers, we have a device called "ephemeral0".
-    - name: Set ephemeral device by label
-      when: ephemeral_device is undefined
-      block:
-        - name: Get ephemeral0 device node
-          command: /sbin/blkid -L ephemeral0
-          register: ephemeral0
-          # rc !=0 is expected
-          failed_when: False
-          changed_when: False
-
-        - name: Set ephemeral device if LABEL exists
-          when: "ephemeral0.rc == 0"
-          set_fact:
-            ephemeral_device: "{{ ephemeral0.stdout }}"
-
-    - name: Configure additional disk (if available)
-      become: true
-      when: ephemeral_device is defined
-      block:
-        - name: Ensure ephemeral device is unmounted
-          ansible.posix.mount:
-            name: "{{ ephemeral_device }}"
-            state: "{{ item }}"
-          loop:
-            - unmounted
-            - absent
-
-        - name: Get existing partitions
-          community.general.parted:
-            device: "{{ ephemeral_device }}"
-            unit: MiB
-            state: info
-          register: ephemeral_partitions
-
-        - name: Remove any existing partitions
-          community.general.parted:
-            device: "{{ ephemeral_device }}"
-            number: "{{ item.num }}"
-            state: absent
-          loop: "{{ ephemeral_partitions.partitions }}"
-
-        - name: Create filesystem on additional partition
-          community.general.filesystem:
-            fstype: ext4
-            dev: "{{ ephemeral_device }}"
-            opts: "-L kolla"
-
-        - name: Ensure /var/lib/docker mountpoint is created
-          ansible.builtin.file:
-            path: "/var/lib/docker"
-            owner: root
-            group: root
-            state: directory
-            mode: 0755
-
-        - name: Mount additional filesystem
-          ansible.posix.mount:
-            path: "/var/lib/docker"
-            src: "LABEL=kolla"
-            fstype: ext4
-            state: mounted
-
     - name: Install Python3 pip and setuptools
       package:
         name: