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summary: Check that the docker snap works basically
details: |
Verify the docker snap can be installed and run a hello-world.
Also check it can be installed with --devmode.
systems: [ubuntu-*]
environment:
# downloading docker snap occasionally triggers OOM
SNAPD_NO_MEMORY_LIMIT: 1
CHANNEL: "latest/stable"
IMAGE_URL_X86: https://storage.googleapis.com/snapd-spread-tests/images/docker/hello-world.tar
IMAGE_URL_ARM: https://storage.googleapis.com/snapd-spread-tests/images/docker/hello-world-arm64.tar
prepare: |
if ! snap install --channel="$CHANNEL" docker; then
echo "failed to install the docker snap!"
exit 1
fi
if [ "${SNAPD_USE_PROXY:-}" = true ]; then
if ! command -v curl; then
snap install --devmode --edge test-snapd-curl
snap alias test-snapd-curl.curl curl
fi
if os.query is-arm; then
IMAGE_URL=$IMAGE_URL_ARM
else
IMAGE_URL=$IMAGE_URL_X86
fi
# Save to the home directory to get around apparmor denials
curl -sL "$IMAGE_URL" -o "$HOME"/hello-world.tar
mv "$HOME"/hello-world.tar .
# retry until docker is ready lo load images
retry -n 30 --wait 1 docker load -i hello-world.tar
fi
debug: |
"$TESTSTOOLS"/journal-state get-log -u snap.docker.dockerd
execute: |
if [ "$SPREAD_REBOOT" = 0 ]; then
# ubuntu trusty is not supported anymore
if os.query is-trusty; then
exit
fi
# the retry here is because there's a race between installing the docker snap
# and dockerd to be "ready" enough such that docker can talk to it properly
retry -n 30 --wait 1 docker run hello-world | MATCH "installation appears to be working correctly"
# also check that the docker snap can be installed in devmode for some
# specific customer use cases related to microk8s
snap remove docker --purge
snap install --channel="$CHANNEL" docker --devmode
# Interface docker0 is not removed when docker is uninstalled
# This problem is reproduced with docker snap and deb packages
# Rules added in iptables also are not working properly after
# docker is removed. A reboot is recommended.
snap remove docker --purge
REBOOT
fi
|
