af17153627
This PS updates the cluster wait job to prune any extra nodes from the cluster if scaling down. Change-Id: I58d22121a07cd99448add62502582a6873776622 Signed-off-by: Pete Birley <pete@port.direct>
72 lines
2.4 KiB
Smarty
72 lines
2.4 KiB
Smarty
#!/bin/bash
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{{/*
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Copyright 2017 The Openstack-Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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set -e
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# Extract connection details
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RABBIT_HOSTNAME=`echo $RABBITMQ_ADMIN_CONNECTION | awk -F'[@]' '{print $2}' \
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| awk -F'[:/]' '{print $1}'`
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RABBIT_PORT=`echo $RABBITMQ_ADMIN_CONNECTION | awk -F'[@]' '{print $2}' \
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| awk -F'[:/]' '{print $2}'`
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# Extract Admin User creadential
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RABBITMQ_ADMIN_USERNAME=`echo $RABBITMQ_ADMIN_CONNECTION | awk -F'[@]' '{print $1}' \
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| awk -F'[//:]' '{print $4}'`
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RABBITMQ_ADMIN_PASSWORD=`echo $RABBITMQ_ADMIN_CONNECTION | awk -F'[@]' '{print $1}' \
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| awk -F'[//:]' '{print $5}'`
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set -ex
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function rabbitmqadmin_authed () {
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set +x
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rabbitmqadmin \
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--host="${RABBIT_HOSTNAME}" \
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--port="${RABBIT_PORT}" \
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--username="${RABBITMQ_ADMIN_USERNAME}" \
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--password="${RABBITMQ_ADMIN_PASSWORD}" \
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$@
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set -x
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}
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function active_rabbit_nodes () {
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rabbitmqadmin_authed list nodes -f bash | wc -w
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}
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until test "$(active_rabbit_nodes)" -ge "$RABBIT_REPLICA_COUNT"; do
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echo "Waiting for number of nodes in cluster to meet or exceed number of desired pods ($RABBIT_REPLICA_COUNT)"
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sleep 10
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done
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function sorted_node_list () {
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rabbitmqadmin_authed list nodes -f bash | tr ' ' '\n' | sort | tr '\n' ' '
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}
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if test "$(active_rabbit_nodes)" -gt "$RABBIT_REPLICA_COUNT"; then
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echo "There are more nodes registed in the cluster than desired, pruning the cluster"
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PRIMARY_NODE="$(sorted_node_list | awk '{ print $1; exit }')"
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echo "Current cluster:"
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rabbitmqctl -l -n "${PRIMARY_NODE}" cluster_status
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NODES_TO_REMOVE="$(sorted_node_list | awk "{print substr(\$0, index(\$0,\$$((RABBIT_REPLICA_COUNT+1))))}")"
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for NODE in ${NODES_TO_REMOVE}; do
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rabbitmqctl -l -n "${NODE}" stop_app || true
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rabbitmqctl -l -n "${PRIMARY_NODE}" forget_cluster_node "${NODE}"
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done
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echo "Updated cluster:"
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rabbitmqctl -l -n "${PRIMARY_NODE}" cluster_status
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fi
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