promenade/tools/g2/lib/kube.sh

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kubectl_apply() {
VIA=${1}
FILE=${2}
ssh_cmd "${VIA}" "cat ${FILE} | kubectl apply -f -"
}
kubectl_cmd() {
VIA=${1}
shift
ssh_cmd "${VIA}" kubectl "${@}"
}
kubectl_wait_for_pod() {
VIA=${1}
NAMESPACE=${2}
POD_NAME=${3}
SEC=${4:-600}
log Waiting "${SEC}" seconds for termination of pod "${POD_NAME}"
POD_PHASE_JSONPATH='{.status.phase}'
end=$(($(date +%s) + SEC))
while true; do
POD_PHASE=$(kubectl_cmd "${VIA}" --request-timeout 10s --namespace "${NAMESPACE}" get -o jsonpath="${POD_PHASE_JSONPATH}" pod "${POD_NAME}")
if [[ ${POD_PHASE} = "Succeeded" ]]; then
log Pod "${POD_NAME}" succeeded.
break
elif [[ $POD_PHASE = "Failed" ]]; then
log Pod "${POD_NAME}" failed.
kubectl_cmd "${VIA}" --request-timeout 10s --namespace "${NAMESPACE}" get -o yaml pod "${POD_NAME}" 1>&2
exit 1
else
now=$(date +%s)
if [[ $now -gt $end ]]; then
log Pod did not terminate before timeout.
kubectl_cmd "${VIA}" --request-timeout 10s --namespace "${NAMESPACE}" get -o yaml pod "${POD_NAME}" 1>&2
exit 1
fi
sleep 1
fi
done
}
kubectl_wait_for_node_ready() {
set +x
VIA=${1}
NODE_NAME=${2}
SEC=${3:-300}
log Waiting "${SEC}" seconds for "${NODE_NAME}" to be ready.
NODE_READY_JSONPATH='{.status.conditions[?(@.type=="Ready")].status}'
end=$(($(date +%s) + SEC))
while true; do
if (kubectl_cmd "${VIA}" --request-timeout 10s get nodes "${NODE_NAME}" -o jsonpath="${NODE_READY_JSONPATH}" | grep True) ; then
log Node "${NODE_NAME}" is ready.
break
else
now=$(date +%s)
if [ "${now}" -gt "${end}" ]; then
log Node "${NODE_NAME}" was not ready before timeout.
fail
fi
echo -n .
sleep 15
fi
done
set -x
}