63 lines
1.8 KiB
Django/Jinja
Executable File
63 lines
1.8 KiB
Django/Jinja
Executable File
#!/usr/bin/env bash
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set -eu
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set -o pipefail
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exec 1>/proc/1/fd/2 2>/proc/1/fd/2
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source $(readlink -f $(dirname $0))/rabbitmq-check-helpers.sh
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set-log-prefix "liveness:$$"
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log-it "Starting liveness probe at $(date +'%Y-%m-%d %H:%M:%S')"
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main() {
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local marker_state
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marker_state="$(marker-state)"
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case $marker_state in
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missing)
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log-it "Startup marker missing, probably probe was executed too early"
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return 0
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;;
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fresh) # node has recently started - it can still be booting
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if ! ping-node; then
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log-it "Fresh node, erlang VM hasn't started yet - giving it another chance"
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# Erlang VM hasn't started yet
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return 0
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fi
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if is-node-booting; then
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log-it "Node is still booting, giving it some time to finish"
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return 0
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fi
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if ! is-node-healthy; then
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log-it "Node is unhealthy"
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return 1
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fi
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if ! is-node-properly-clustered; then
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log-it "Found clustering inconsistency, giving up"
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return 1
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fi
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return 0
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;;
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stale) # node has started long ago - it shoud be either ready or dead
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if ! is-node-healthy; then
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log-it "Long-running node become unhealthy"
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return 1
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fi
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if ! is-node-properly-clustered; then
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echo "Long-running node became inconsistent with the rest of the cluster"
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return 1
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fi
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return 0
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;;
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*)
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log-it "Unexpected marker-state '$marker-state'"
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return 1
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;;
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esac
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}
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if main; then
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rc=0
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else
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rc=$?
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fi
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log-it "Ready to return $rc"
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exit $rc
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