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authorChris Evich <cevich@redhat.com>2018-11-08 11:06:02 -0500
committerChris Evich <cevich@redhat.com>2018-11-13 13:30:48 -0500
commit8b3fcb374ba15ee1d56f4b9c5ebd6e9372575471 (patch)
tree4d0d830127a1b520cca140a03fbdd86857eed2e6
parent2cc9b78ab97dea596e4c2ca6df0aac930046d626 (diff)
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Cirrus: Add documentation for system-testing
***CIRRUS: REBUILD IMAGES*** Signed-off-by: Chris Evich <cevich@redhat.com>
-rw-r--r--contrib/cirrus/README.md47
1 files changed, 27 insertions, 20 deletions
diff --git a/contrib/cirrus/README.md b/contrib/cirrus/README.md
index 0d315c4f5..fa233a2cb 100644
--- a/contrib/cirrus/README.md
+++ b/contrib/cirrus/README.md
@@ -37,34 +37,41 @@ task (pass or fail) is set based on the exit status of the last script to execut
Total execution time is capped at 2-hours (includes all the above)
but this script normally completes in less than an hour.
-### ``build_vm_images`` Task
+### ``optional_system_testing`` Task
-1. When a PR is merged (``$CIRRUS_BRANCH`` == ``master``), run another
- round of the ``full_vm_testing`` task (above).
+1. Optionally executes in parallel with ``full_vm_testing``. Requires
+ **prior** to job-start, the magic string ``***CIRRUS: SYSTEM TEST***``
+ is found in the pull-request *description*. The *description* is the first
+ text-box under the main *summary* line in the github WebUI.
-2. After confirming the tests all pass post-merge, spin up a special VM
- capable of communicating with the GCE API. Once accessible, ``ssh`` into
- the special VM and run the following scripts.
+2. ``setup_environment.sh``: Same as for other tasks.
-3. ``setup_environment.sh``: Configure root's ``.bash_profile``
- for all subsequent scripts (each run in a new shell). Any
- distribution-specific environment variables are also defined
- here. For example, setting tags/flags to use compiling.
+3. ``system_test.sh``: Build both dependencies and libpod, install them,
+ then execute `make localsystem` from the repository root.
+
+### ``build_vm_images`` Task
+
+1. When a PR is merged (``$CIRRUS_BRANCH`` == ``master``), Cirrus
+ checks the last commit message. If it contains the magic string
+ ``***CIRRUS: REBUILD IMAGES***``, then this task continues.
+
+2. Execute run another round of the ``full_vm_testing`` task (above).
+ After the tests pass (post-merge), spin up a special VM
+ (from the `image-builder-image`) capable of communicating with the
+ GCE API. Once accessible, ``ssh`` into the VM and run the following scripts.
-4. ``build_vm_images.sh``: Examine the merged PR's description on github.
- If it contains the magic string ``***CIRRUS: REBUILD IMAGES***``, then
- continue. Otherwise display a message, take no further action, and
- exit successfully. This prevents production of new VM images unless
- they are called for, thereby saving the cost of needlessly storing them.
+3. ``setup_environment.sh``: Same as for other tasks.
-5. If the magic string was found, utilize [the packer tool](http://packer.io/docs/)
+4. ``build_vm_images.sh``: Utilize [the packer tool](http://packer.io/docs/)
to produce new VM images. Create a new VM from each base-image, connect
- to them with ``ssh``, and perform these steps as defined by the
- ``libpod_images.json`` file.
+ to them with ``ssh``, and perform the steps as defined by the
+ ``$PACKER_BASE/libpod_images.json`` file:
- 1. Copy the current state of the repository into ``/tmp/libpod``.
+ 1. On a base-image VM, as root, copy the current state of the repository
+ into ``/tmp/libpod``.
2. Execute distribution-specific scripts to prepare the image for
- use by the ``full_vm_testing`` task (above).
+ use by the ``full_vm_testing`` task (above). These scripts all
+ end with the suffix `_setup.sh` within the `$PACKER_BASE` directory.
3. If successful, shut down each VM and create a new GCE Image
named after the base image and the commit sha of the merge.