Make haproxy-anchor cleanup more cautious
There was a bug related to missing haproxy config files: /etc/promenade/haproxy/haproxy.cfg /etc/kubernetes/manifests/haproxy.yaml Those files are initially generated with static pods and after that it periodically updated by haproxy-anchor. Most plausible reason why it could be missed is haproxy-anchor cleaned it up while terminating. To solve the issue there were restored manually. This patch tries to make such a situation clearer by two things: 1) it leaves a message in a cleanup file that haproxy-anchor was terminated and the cleaup happened. 2) instead of removing files it moves them to backup dir from that they could be restored easily. Change-Id: Ia1449d188c15b71dd756e96b1ea2d4a672011a17
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@ -108,10 +108,17 @@ install_config() {
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}
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cleanup() {
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cleanup_message_file=$(dirname "$HAPROXY_CONF")/cleanup
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backup_dir=$(dirname "$HAPROXY_CONF")/backup
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mkdir -p $backup_dir
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echo "Starting haproxy-anchor cleanup, files are backed up:" > $cleanup_message_file
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{{- range .Values.conf.anchor.files_to_copy }}
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rm -f /host{{ .dest }}
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echo /host{{ .dest }} >> $cleanup_message_file
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mv /host{{ .dest }} $backup_dir
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{{- end }}
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rm -f "$HAPROXY_CONF" "$NEXT_HAPROXY_CONF"
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echo "$HAPROXY_CONF" >> $cleanup_message_file
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echo "$NEXT_HAPROXY_CONF" >> $cleanup_message_file
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mv "$HAPROXY_CONF" "$NEXT_HAPROXY_CONF" $backup_dir
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}
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while true; do
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