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Exit if unable to restart watches

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FIXME: It's probably not OK for the client to exit in this case
This commit is contained in:
Vitaliy Filippov
2021-11-28 01:43:31 +03:00
parent a8f5c71ae8
commit 7a0b5212fe
2 changed files with 33 additions and 6 deletions
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mon/mon.js
+19 -6
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@@ -341,7 +341,7 @@ class Mon
this.etcd_start_timeout = (config.etcd_start_timeout || 5) * 1000;
this.state = JSON.parse(JSON.stringify(this.constructor.etcd_tree));
this.signals_set = false;
this.on_stop_cb = () => this.on_stop().catch(console.error);
this.on_stop_cb = () => this.on_stop(0).catch(console.error);
}
parse_etcd_addresses(addrs)
@@ -530,12 +530,25 @@ class Mon
catch (e)
{
}
if (!data || !data.result || !data.result.events)
if (!data || !data.result)
{
if (!data || !data.result || !data.result.watch_id)
console.error('Unknown message received from watch websocket: '+msg);
}
else if (data.result.canceled)
{
// etcd watch canceled
if (data.result.compact_revision)
{
console.error('Garbage received from watch websocket: '+msg);
// we may miss events if we proceed
console.error('Revisions before '+data.result.compact_revision+' were compacted by etcd, exiting');
this.on_stop(1);
}
console.error('Watch canceled by etcd, reason: '+data.result.cancel_reason+', exiting');
this.on_stop(1);
}
else if (data.result.created)
{
// etcd watch created
}
else
{
@@ -639,11 +652,11 @@ class Mon
}
}
async on_stop()
async on_stop(status)
{
clearInterval(this.lease_timer);
await this.etcd_call('/lease/revoke', { ID: this.etcd_lease_id }, this.config.etcd_mon_timeout, this.config.etcd_mon_retries);
process.exit(0);
process.exit(status);
}
async become_master()