CI: add testing and testimage

Add a testing task to the gitlab CI and run testimage in that job.
Currently, it only runs against some of the qemu based machines.
Using slirp, there is no need for a privileged container or tun/tap
devices.

Change-Id: Ia85a3d0089f7d4dc7595c3a45d328c79d8e675f1
Signed-off-by: Jon Mason <jon.mason@arm.com>

.gitlab-ci.yml

@@ -5,6 +5,7 @@ stages:
   - prep
   - bootstrap
   - build
+  - test
 
 # Common job fragment to get a worker ready
 .setup:
@@ -15,6 +16,7 @@ stages:
     SSTATE_DIR: $CI_BUILDS_DIR/persist/sstate
     DL_DIR: $CI_BUILDS_DIR/persist/downloads
     BB_LOGCONFIG: $CI_PROJECT_DIR/ci/logging.yml
+    IMAGE_DIR: $CI_PROJECT_DIR/work/build/tmp/deploy/images
   before_script:
     - echo KAS_WORK_DIR = $KAS_WORK_DIR
     - echo SSTATE_DIR = $SSTATE_DIR
@@ -27,10 +29,29 @@ stages:
   extends: .setup
   interruptible: true
   script:
-  - KASFILES=$(ci/jobs-to-kas $CI_JOB_NAME)
-  - kas shell --update --force-checkout $KASFILES -c 'cat conf/*.conf'
-  - kas build $KASFILES
-  - ./ci/check-warnings $KAS_WORK_DIR/build/warnings.log
+    - KASFILES=$(./ci/jobs-to-kas $CI_JOB_NAME)
+    - kas shell --update --force-checkout $KASFILES -c 'cat conf/*.conf'
+    - kas build $KASFILES
+    - ./ci/check-warnings $KAS_WORK_DIR/build/warnings.log
+
+.build_artifacts:
+  artifacts:
+    paths:
+      - $IMAGE_DIR/*
+    expire_in: 1 day
+
+.test:
+  extends: .setup
+  stage: test
+  # Unique before_script here to avoid the rm from the one in .setup
+  before_script:
+    - mkdir --verbose --parents $KAS_WORK_DIR $KAS_REPO_REF_DIR $SSTATE_DIR $DL_DIR $TOOLCHAIN_DIR
+  script:
+    - KASFILES=$(./ci/jobs-to-kas $CI_JOB_NAME)
+    # These are needed to avoid warnings about file permissions from the artifacts
+    - sudo chown -R builder $KAS_WORK_DIR
+    - sudo chgrp -R builder $KAS_WORK_DIR
+    - kas build $KASFILES -c testimage
 
 
 #
@@ -90,15 +111,36 @@ n1sdp/armgcc:
   extends: .build
 
 qemuarm:
-  extends: .build
+  extends:
+    - .build
+    - .build_artifacts
 
 qemuarmv5:
-  extends: .build
+  extends:
+    - .build
+    - .build_artifacts
 
 tc0:
   extends: .build
 
 
+#
+# Third phase, the test jobs
+#
+
+# QEMU based machines can use testimage, others will need something else (i.e., LAVA)
+
+qemuarm/testimage:
+  extends: .test
+  needs:
+    - job: qemuarm
+
+qemuarmv5/testimage:
+  extends: .test
+  needs:
+    - job: qemuarmv5
+
+
 #
 # Utility tasks, not executed automatically
 #

ci/testimage.yml

@@ -0,0 +1,14 @@
+header:
+  version: 9
+
+local_conf_header:
+  testimage: |
+    IMAGE_CLASSES += "testimage"
+  slirp: |
+    TEST_RUNQEMUPARAMS = "slirp"
+    TEST_SERVER_IP = "127.0.0.1"
+    QEMU_USE_SLIRP = "1"
+
+# Multiple targets are available, put it down to just one
+target:
+  - core-image-base