mirror of
https://github.com/clearlinux/cloud-native-setup.git
synced 2026-09-04 04:41:33 +00:00
Graham Whaley
952e037420
Rejig the framework a little to unify the init/shutdown calls and code, which allows us to add the cpu-load enable/disable ability to all the existing metrics. Signed-off-by: Graham Whaley <graham.whaley@intel.com>
45 lines
1.5 KiB
Bash
45 lines
1.5 KiB
Bash
#!/bin/bash
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# Copyright (c) 2019 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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THIS_FILE=$(readlink -f ${BASH_SOURCE[0]})
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COLLECTD_DIR=${THIS_FILE%/*}
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collectd_pod="collectd"
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init_stats() {
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local wait_time=$1
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# create collectd-config configmap
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kubectl create configmap collectd-config --from-file=${COLLECTD_DIR}/collectd.conf
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# Launch our stats gathering pod
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kubectl apply -f ${COLLECTD_DIR}/${collectd_pod}.yaml
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kubectl rollout status --timeout=${wait_time}s daemonset/${collectd_pod}
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# attempting to provide buffer for collectd to be installed and running,
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# and CPU collection to build adequate history
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sleep 12
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}
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cleanup_stats() {
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# attempting to provide buffer for collectd CPU collection to record adequate history
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sleep 6
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# get logs before shutting down stats daemonset
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while read -u 3 name node; do
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kubectl exec -ti $name -- sh -c "cd /opt/collectd; tar -czvf localhost.tar.gz localhost"
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# make a backup on the host in-case collection fail
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kubectl exec -ti $name -- sh -c "mkdir -p /mnt/opt/collectd"
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kubectl exec -ti $name -- sh -c "cp /opt/collectd/localhost.tar.gz /mnt/opt/collectd/localhost.tar.gz"
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kubectl cp $name:/opt/collectd/localhost.tar.gz ${RESULT_DIR}/${node}.tar.gz
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done 3< <(kubectl get pods --selector name=collectd-pods -o json | jq -r '.items[] | "\(.metadata.name) \(.spec.nodeName)"')
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kubectl delete daemonset --wait=true --timeout=${delete_wait_time}s "${collectd_pod}" || true
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# remove configmap
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kubectl delete configmap collectd-config
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}
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