Merge "Add DCAE cleanup container"

1 files changed, 68 insertions, 0 deletions

diff --git a/dcae-k8s-cleanup-container/dcae-cleanup.sh b/dcae-k8s-cleanup-container/dcae-cleanup.sh
new file mode 100644
index 0000000..f453135
--- /dev/null
+++ b/dcae-k8s-cleanup-container/dcae-cleanup.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+# ============LICENSE_START=======================================================
+# org.onap.dcae
+# ================================================================================
+# Copyright (c) 2019 AT&T Intellectual Property. All rights reserved.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============LICENSE_END=========================================================
+
+# Clean up k8s Services and Deployments created by the DCAE k8s plugin
+
+# Cleanup ontainer has access to the Kubernetes CA cert and
+# an access token for the API -- need these to make API calls
+CREDDIR=/var/run/secrets/kubernetes.io/serviceaccount
+TOKEN=$(cat ${CREDDIR}/token)
+AUTH="Authorization: Bearer $TOKEN"
+CACERT=${CREDDIR}/ca.crt
+
+# Namespace is also available
+NS=$(cat ${CREDDIR}/namespace)
+
+# The k8s plugin labels all of the k8s it deploys
+# with a label called "cfydeployment".  The value
+# of the label is the name of Cloudify deployment
+# that caused the entity to be deployed.
+# For cleanup purposes, the value of the label doesn't
+# matter.  The existence of the label on an entity
+# marks the entity as having been deployed by the
+# k8s plugin and therefore in need of cleanup.
+SELECTOR="labelSelector=cfydeployment"
+
+# Set up the API endpoints
+API="https://kubernetes.default"
+SVC=${API}/api/v1/namespaces/${NS}/services
+DEP=${API}/apis/apps/v1beta1/namespaces/${NS}/deployments
+
+# Find all of the k8s Services labeled with the Cloudify label
+SERVICES=$(curl -Ss --cacert ${CACERT} -H "${AUTH}" ${SVC}?${SELECTOR} | /jq .items[].metadata.name | tr -d '"')
+
+# Find all of the k8s Deployments labeled with the Cloudify label
+DEPLOYS=$(curl -Ss --cacert ${CACERT} -H "${AUTH}"  ${DEP}?${SELECTOR} | /jq .items[].metadata.name | tr -d '"')
+
+# Delete all of the k8s Services with the Cloudify label
+for s in ${SERVICES}
+do
+    echo Deleting service $s
+    curl -Ss --cacert ${CACERT} -H "${AUTH}" -X DELETE ${SVC}/$s
+done
+
+# Delete all of the k8s Deployments with the Cloudify label
+# "propagationPolicy=Foreground" tells k8s to delete any children
+# of the Deployment (ReplicaSets, Pods) and to hold off on deleting
+# the Deployment itself until the children have been deleted
+for d in ${DEPLOYS}
+do
+    echo Deleting deployment $d
+    curl -Ss --cacert ${CACERT} -H "${AUTH}" -X DELETE ${DEP}/$d?propagationPolicy=Foreground
+done