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Migrate etcd's livenessProbe to etcdctl endpoint health.

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Change-Id: Ie19c844050c75e3d1c4b431d09ba0ac851c5317b
This commit is contained in:
Maciej Borsz 2020-12-03 09:02:43 +01:00
parent 797cff42d2
commit 7f09d59215
3 changed files with 16 additions and 9 deletions
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10
cluster/gce/gci/configure-helper.sh
View File

@ -1718,7 +1718,8 @@ function prepare-etcd-manifest {
local etcd_apiserver_creds="${ETCD_APISERVER_CREDS:-}"
local etcd_extra_args="${ETCD_EXTRA_ARGS:-}"
local suffix="$1"
local etcd_livenessprobe_port="$2"
local etcd_listen_metrics_port="$2"
local etcdctl_certs=""
if [[ -n "${INITIAL_ETCD_CLUSTER_STATE:-}" ]]; then
cluster_state="${INITIAL_ETCD_CLUSTER_STATE}"
@ -1731,9 +1732,10 @@ function prepare-etcd-manifest {
# mTLS should only be enabled for etcd server but not etcd-events. if $1 suffix is empty, it's etcd server.
if [[ -z "${suffix}" && -n "${ETCD_APISERVER_CA_KEY:-}" && -n "${ETCD_APISERVER_CA_CERT:-}" && -n "${ETCD_APISERVER_SERVER_KEY:-}" && -n "${ETCD_APISERVER_SERVER_CERT:-}" && -n "${ETCD_APISERVER_CLIENT_KEY:-}" && -n "${ETCD_APISERVER_CLIENT_CERT:-}" ]]; then
etcd_apiserver_creds=" --client-cert-auth --trusted-ca-file ${ETCD_APISERVER_CA_CERT_PATH} --cert-file ${ETCD_APISERVER_SERVER_CERT_PATH} --key-file ${ETCD_APISERVER_SERVER_KEY_PATH} "
etcdctl_certs="--cacert ${ETCD_APISERVER_CA_CERT_PATH} --cert ${ETCD_APISERVER_CLIENT_CERT_PATH} --key ${ETCD_APISERVER_CLIENT_KEY_PATH}"
etcd_apiserver_protocol="https"
etcd_livenessprobe_port="2382"
etcd_extra_args+=" --listen-metrics-urls=http://${ETCD_LISTEN_CLIENT_IP:-127.0.0.1}:${etcd_livenessprobe_port} "
etcd_listen_metrics_port="2382"
etcd_extra_args+=" --listen-metrics-urls=http://${ETCD_LISTEN_CLIENT_IP:-127.0.0.1}:${etcd_listen_metrics_port} "
fi
if [[ -n "${ETCD_PROGRESS_NOTIFY_INTERVAL:-}" ]]; then
@ -1787,9 +1789,9 @@ function prepare-etcd-manifest {
sed -i -e "s@{{ *etcd_protocol *}}@$etcd_protocol@g" "${temp_file}"
sed -i -e "s@{{ *etcd_apiserver_protocol *}}@$etcd_apiserver_protocol@g" "${temp_file}"
sed -i -e "s@{{ *etcd_creds *}}@$etcd_creds@g" "${temp_file}"
sed -i -e "s@{{ *etcdctl_certs *}}@$etcdctl_certs@g" "${temp_file}"
sed -i -e "s@{{ *etcd_apiserver_creds *}}@$etcd_apiserver_creds@g" "${temp_file}"
sed -i -e "s@{{ *etcd_extra_args *}}@$etcd_extra_args@g" "${temp_file}"
sed -i -e "s@{{ *etcd_livenessprobe_port *}}@$etcd_livenessprobe_port@g" "${temp_file}"
if [[ -n "${ETCD_VERSION:-}" ]]; then
sed -i -e "s@{{ *pillar\.get('etcd_version', '\(.*\)') *}}@${ETCD_VERSION}@g" "${temp_file}"
else

14
cluster/gce/manifests/etcd.manifest
View File

@ -61,13 +61,17 @@
}
],
"livenessProbe": {
"httpGet": {
"host": "127.0.0.1",
"port": {{ etcd_livenessprobe_port }},
"path": "/health"
"exec": {
"command": [
"/bin/sh",
"-c",
"set -x; exec /usr/local/bin/etcdctl --endpoints=127.0.0.1:{{ port }} {{ etcdctl_certs }} --command-timeout=15s endpoint health"
]
},
"initialDelaySeconds": {{ liveness_probe_initial_delay }},
"timeoutSeconds": 15
"timeoutSeconds": 15,
"periodSeconds": 5,
"failureThreshold": 5
},
"ports": [
{ "name": "serverport",

1
cluster/images/etcd/Dockerfile
View File

@ -29,6 +29,7 @@ WORKDIR /
COPY --from=builder /sh /bin/
EXPOSE 2379 2380 4001 7001
# etcdctl is used by etcd.manifest for livenessProbe.
COPY etcd* etcdctl* /usr/local/bin/
COPY cp* /bin/
COPY migrate-if-needed.sh migrate /usr/local/bin/