Max Inden 3735df3ac7 cluster: Do not exit when failing to join cluster (#1465) ... Alertmanager is exiting with a non-zero exit code if the initial cluster join fails. This behavior could be not wanted because: - As Alertmanager is a critical component with an at-least-once guarantee, failing on joining the cluster is unnecessary as Alertmanager still functions by itself. - In an environment like Kubernetes discovering peers via DNS, peers might roll out one-by-one, leaving the DNS entries unpopulated for the first peer of a set. Failing on initial join prevents a roll-out. Instead of failing on the initial join this patch only logs the failure. The cluster can be later joined via the `handleReconnect`. This is a regression introduced in PR #1456 [1]. [1] https://github.com/prometheus/alertmanager/pull/1456 Signed-off-by: Max Leonard Inden <IndenML@gmail.com>		2018-07-11 17:19:33 +02:00
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alertmanager	cluster: Do not exit when failing to join cluster (#1465)	2018-07-11 17:19:33 +02:00
amtool	*: add missing license headers	2018-05-14 17:37:13 +02:00