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fetch cluster_name_label from configuration

This commit is contained in:
Felix Kunde 2019-10-10 16:32:33 +02:00
parent baae1887b3
commit d450f0dcf8
1 changed files with 37 additions and 6 deletions
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43
docker/logical-backup/dump.sh
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@ -14,8 +14,9 @@ PG_BIN=$PG_DIR/$PG_VERSION/bin
DUMP_SIZE_COEFF=5
TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
K8S_API_URL=https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_SERVICE_PORT/api/v1
K8S_API_URL=https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_SERVICE_PORT
CERT=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
CLUSTER_NAME_LABEL=cluster-name
function estimate_size {
"$PG_BIN"/psql -tqAc "${ALL_DB_SIZE_QUERY}"
@ -48,33 +49,63 @@ function aws_upload {
function get_pods {
declare -r SELECTOR="$1"
curl "${K8S_API_URL}/namespaces/${POD_NAMESPACE}/pods?$SELECTOR" \
curl "${K8S_API_URL}/api/v1/namespaces/${POD_NAMESPACE}/pods?$SELECTOR" \
--cacert $CERT \
-H "Authorization: Bearer ${TOKEN}" | jq .items[].status.podIP -r
}
function get_current_pod {
curl "${K8S_API_URL}/namespaces/${POD_NAMESPACE}/pods?fieldSelector=metadata.name%3D${HOSTNAME}" \
curl "${K8S_API_URL}/api/v1/namespaces/${POD_NAMESPACE}/pods?fieldSelector=metadata.name%3D${HOSTNAME}" \
--cacert $CERT \
-H "Authorization: Bearer ${TOKEN}"
}
declare -a search_strategy=(
get_cluster_name_label
list_all_replica_pods_current_node
list_all_replica_pods_any_node
get_master_pod
)
function get_config_resource() {
curl "${K8S_API_URL}/apis/apps/v1/namespaces/default/deployments/postgres-operator" \
--cacert $CERT \
-H "Authorization: Bearer ${TOKEN}" | jq '.spec.template.spec.containers[0].env[] | select(.name == "$1") | .value'
}
function get_cluster_name_label {
local config
local clustername
config=$(get_config_resource "CONFIG_MAP_NAME")
if [ -n "$config" ]; then
clustername=$(curl "${K8S_API_URL}/api/v1/namespaces/default/configmaps/${config}" \
--cacert $CERT \
-H "Authorization: Bearer ${TOKEN}" | jq '.data.cluster_name_label')
else
config=$(get_config_resource "POSTGRES_OPERATOR_CONFIGURATION_OBJECT")
if [ -n "$config" ]; then
clustername=$(curl "${K8S_API_URL}/apis/acid.zalan.do/v1/namespaces/default/operatorconfigurations/${config}" \
--cacert $CERT \
-H "Authorization: Bearer ${TOKEN}" | jq '.configuration.kubernetes.cluster_name_label')
fi
fi
if [ -n "$clustername" ]; then
CLUSTER_NAME_LABEL=${clustername}
fi;
}
function list_all_replica_pods_current_node {
get_pods "labelSelector=version%3D${SCOPE},spilo-role%3Dreplica&fieldSelector=spec.nodeName%3D${CURRENT_NODENAME}" | head -n 1
get_pods "labelSelector=${CLUSTER_NAME_LABEL}%3D${SCOPE},spilo-role%3Dreplica&fieldSelector=spec.nodeName%3D${CURRENT_NODENAME}" | head -n 1
}
function list_all_replica_pods_any_node {
get_pods "labelSelector=version%3D${SCOPE},spilo-role%3Dreplica" | head -n 1
get_pods "labelSelector=${CLUSTER_NAME_LABEL}%3D${SCOPE},spilo-role%3Dreplica" | head -n 1
}
function get_master_pod {
get_pods "labelSelector=version%3D${SCOPE},spilo-role%3Dmaster" | head -n 1
get_pods "labelSelector=${CLUSTER_NAME_LABEL}%3D${SCOPE},spilo-role%3Dmaster" | head -n 1
}
CURRENT_NODENAME=$(get_current_pod | jq .items[].spec.nodeName --raw-output)