[PATCH] ci: Add test cases for container fetching and loading

[Uladzimir Bely <ubely@ilbers.de>]

From: Jan Kiszka <jan.kiszka@siemens.com>

This plugs the two example recipes for loading container images into
VM-based testing. The test consists of running 'true' in the installed
alpine images.

Rather than enabling the ci user to do password-less sudo, this uses su
with the piped-in password. Another trick needed is to poll for the
images because loading is performed asynchronously.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Uladzimir Bely <ubely@ilbers.de>
---
 .../recipes-core/images/isar-image-ci.bb      |  2 ++
 testsuite/citest.py                           | 24 +++++++++++++++++++
 2 files changed, 26 insertions(+)

This is a drop-in replacement of patch 4 from "[PATCH v4 0/5] Introduce
container fetcher and pre-loader" series:
- Fixed syntax errors (incorrectly escaped '\$')
- Fixed long lines in order to pass flake8

diff --git a/meta-test/recipes-core/images/isar-image-ci.bb b/meta-test/recipes-core/images/isar-image-ci.bb
index e5d51e6e..9133da74 100644
--- a/meta-test/recipes-core/images/isar-image-ci.bb
+++ b/meta-test/recipes-core/images/isar-image-ci.bb
@@ -16,6 +16,7 @@ IMAGE_INSTALL += "sshd-regen-keys"
 
 # qemuamd64-bookworm
 WKS_FILE:qemuamd64:debian-bookworm ?= "multipart-efi.wks"
+IMAGE_INSTALL:append:qemuamd64:debian-bookworm = " prebuilt-docker-img prebuilt-podman-img"
 
 # qemuamd64-bullseye
 IMAGE_FSTYPES:append:qemuamd64:debian-bullseye ?= " cpio.gz tar.gz"
@@ -51,3 +52,4 @@ IMAGER_INSTALL:append:qemuarm:debian-bookworm ?= " ${SYSTEMD_BOOTLOADER_INSTALL}
 # qemuarm64-bookworm
 IMAGE_FSTYPES:append:qemuarm64:debian-bookworm ?= " wic.xz"
 IMAGER_INSTALL:append:qemuarm64:debian-bookworm ?= " ${GRUB_BOOTLOADER_INSTALL}"
+IMAGE_INSTALL:append:qemuarm64:debian-bookworm = " prebuilt-docker-img prebuilt-podman-img"
diff --git a/testsuite/citest.py b/testsuite/citest.py
index 7064c1e4..4a248a49 100755
--- a/testsuite/citest.py
+++ b/testsuite/citest.py
@@ -609,3 +609,27 @@ class VmBootTestFull(CIBaseTest):
             image='isar-image-ci',
             script='test_kernel_module.sh example_module',
         )
+
+    def test_amd64_bookworm_prebuilt_containers(self):
+        self.init()
+        self.vm_start(
+            'amd64', 'bookworm', image='isar-image-ci',
+            cmd='echo root | su -c \'PATH=$PATH:/usr/sbin;'
+                'for n in $(seq 30);'
+                '  do docker images | grep -q alpine && break; sleep 10; done;'
+                'docker run --rm quay.io/libpod/alpine:3.10.2 true && '
+                'for n in $(seq 30);'
+                '  do podman images | grep -q alpine && break; sleep 10; done;'
+                'podman run --rm quay.io/libpod/alpine:latest true\'')
+
+    def test_arm64_bookworm_prebuilt_containers(self):
+        self.init()
+        self.vm_start(
+            'arm64', 'bookworm', image='isar-image-ci',
+            cmd='echo root | su -c \'PATH=$PATH:/usr/sbin;'
+                'for n in $(seq 30);'
+                '  do docker images | grep -q alpine && break; sleep 10; done;'
+                'docker run --rm quay.io/libpod/alpine:3.10.2 true && '
+                'for n in $(seq 30);'
+                '  do podman images | grep -q alpine && break; sleep 10; done;'
+                'podman run --rm quay.io/libpod/alpine:latest true\'')
-- 
2.44.2

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