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e2e: Add sync failure test #2581

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Nov 6, 2019
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e2e: Add sync failure test #2581

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261288e
e2e: Add sync failure test
2opremio Nov 5, 2019
9e1a9a9
Make sed replacement future-proof
2opremio Nov 5, 2019
93e4baf
Make the image comparison future-proof
2opremio Nov 5, 2019
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2opremio Nov 6, 2019
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45 changes: 39 additions & 6 deletions test/e2e/12_sync.bats
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ load lib/poll
load lib/defer

git_port_forward_pid=""
clone_dir=""

function setup() {
kubectl create namespace "$FLUX_NAMESPACE"
Expand All @@ -17,18 +18,19 @@ function setup() {
# shellcheck disable=SC2154
git_port_forward_pid="${git_srv_result[1]}"
install_flux_with_fluxctl
# Clone the repo and
clone_dir="$(mktemp -d)"
git clone -b master ssh://git@localhost/git-server/repos/cluster.git "$clone_dir"
# shellcheck disable=SC2164
cd "$clone_dir"
}

@test "Basic sync test" {
# Wait until flux deploys the workloads
poll_until_true 'workload podinfo' 'kubectl -n demo describe deployment/podinfo'

# Clone the repo and check the sync tag
local clone_dir
clone_dir="$(mktemp -d)"
defer rm -rf "$clone_dir"
git clone -b master ssh://git@localhost/git-server/repos/cluster.git "$clone_dir"
cd "$clone_dir"
# Check the sync tag
git pull -f --tags
local sync_tag_hash
sync_tag_hash=$(git rev-list -n 1 flux)
head_hash=$(git rev-list -n 1 HEAD)
Expand All @@ -45,7 +47,38 @@ function setup() {
[ "$sync_tag_hash" = "$head_hash" ]
}

@test "Sync fails on duplicate resource" {
# Wait until flux deploys the workloads
poll_until_true 'workload podinfo' 'kubectl -n demo describe deployment/podinfo'

# Check the sync tag
git pull -f --tags
local sync_tag_hash
sync_tag_hash=$(git rev-list -n 1 flux)
head_hash=$(git rev-list -n 1 HEAD)
[ "$sync_tag_hash" = "$head_hash" ]

# Bump the image of podinfo, duplicate the resource definition (to cause a sync failure)
# and make sure the sync doesn't go through
sed -i'.bak' 's%stefanprodan/podinfo:2.1.0%stefanprodan/podinfo:3.1.5%' "${clone_dir}/workloads/podinfo-dep.yaml"
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cp "${clone_dir}/workloads/podinfo-dep.yaml" "${clone_dir}/workloads/podinfo-dep-2.yaml"
git add "${clone_dir}/workloads/podinfo-dep-2.yaml"
git -c 'user.email=foo@bar.com' -c 'user.name=Foo' commit -am "Bump podinfo and duplicate it to cause an error"
git push
# Wait until we find the duplicate failure in the logs
poll_until_true "duplicate resource in Flux logs" "kubectl logs -n $FLUX_NAMESPACE -l name=flux | grep -q \"duplicate definition of 'demo:deployment/podinfo'\""
# Make sure that the version of podinfo wasn't bumped
local podinfo_image
podinfo_image=$(kubectl get pod -n demo -l app=podinfo -o"jsonpath={['items'][0]['spec']['containers'][0]['image']}")
[ "$podinfo_image" = "stefanprodan/podinfo:2.1.0" ]
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# Make sure that the Flux sync tag remains untouched
git pull -f --tags
sync_tag_hash=$(git rev-list -n 1 flux)
[ "$sync_tag_hash" = "$head_hash" ]
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}

function teardown() {
rm -rf "$clone_dir"
# Teardown the created port-forward to gitsrv and restore Git settings.
kill "$git_port_forward_pid"
unset GIT_SSH_COMMAND
Expand Down