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retry curl to reduce risk of race condition

This commit is contained in:
Cedric Meury 2018-04-28 01:12:16 +02:00
parent 89ca84fb21
commit 10255aecc7
1 changed files with 24 additions and 11 deletions
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35
test/integration/run.sh
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@ -20,21 +20,33 @@ kubectl="kubectl --context=minikube --namespace=${test_ns}"
# FUNCTIONS ----------------------------------------------------------------------------------------------------------
function wait_deploy_ready() {
$kubectl rollout status deployment ${1}
while [ "$($kubectl get deploy ${1} -o=jsonpath='{.status.readyReplicas}')" == "0" ]; do
${kubectl} rollout status deployment ${1}
while [ "$(${kubectl} get deploy ${1} -o=jsonpath='{.status.readyReplicas}')" == "0" ]; do
info "Waiting for deployment ${1} to be ready"
sleep 1
done
}
function retry() {
local -r max=${1}
local -r command=${2}
n=0
retry_result=0
until [ ${n} -ge ${max} ]; do
info "Executing: ${command} (attempt $((n+1)))"
${command} && break # substitute your command here
retry_result=$?
n=$[$n+1]
sleep 1
done
}
# SETUP --------------------------------------------------------------------------------------------------------------
set -e
info "Using namespace: ${test_ns}"
info "Using Helm version: $(helm version --short --client | grep -o v.*$)"
$helm init --wait --override spec.template.spec.automountServiceAccountToken=true
$helmfile -v
$kubectl get namespace ${test_ns} &> /dev/null && warn "Namespace ${test_ns} exists, from a previous test run?"
${helm} init --wait --override spec.template.spec.automountServiceAccountToken=true
${kubectl} get namespace ${test_ns} &> /dev/null && warn "Namespace ${test_ns} exists, from a previous test run?"
$kubectl create namespace ${test_ns} || fail "Could not create namespace ${test_ns}"
trap "{ $kubectl delete namespace ${test_ns}; }" EXIT # remove namespace whenever we exit this script
@ -42,13 +54,14 @@ trap "{ $kubectl delete namespace ${test_ns}; }" EXIT # remove namespace wheneve
# TEST CASES----------------------------------------------------------------------------------------------------------
test_start "happypath - simple rollout of httpbin chart"
$helmfile -f ${dir}/happypath.yaml sync
info "Syncing ${dir}/happypath.yaml"
${helmfile} -f ${dir}/happypath.yaml sync
wait_deploy_ready httpbin-httpbin
curl --fail $(minikube service --url --namespace=${test_ns} httpbin-httpbin)/status/200 \
|| fail "httpbin failed to return 200 OK"
$helmfile -f ${dir}/happypath.yaml delete
$helm status --namespace=${test_ns} httpbin &> /dev/null \
&& fail "release should not exist anymore after a delete"
retry 3 "curl --fail $(minikube service --url --namespace=${test_ns} httpbin-httpbin)/status/200"
[ ${retry_result} -eq 0 ] || fail "httpbin failed to return 200 OK"
info "Deleting release"
${helmfile} -f ${dir}/happypath.yaml delete
${helm} status --namespace=${test_ns} httpbin &> /dev/null && fail "release should not exist anymore after a delete"
test_pass "happypath"