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cluster: configurable session TTL for the leader elector

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This commit is contained in:
Andras Banki-Horvath
2022-03-16 20:09:55 +01:00
parent 57840bba36
commit 8eca46f142
4 changed files with 24 additions and 10 deletions
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7
lncfg/cluster.go
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@@ -20,9 +20,11 @@ type Cluster struct {
LeaderElector string `long:"leader-elector" choice:"etcd" description:"Leader elector to use. Valid values: \"etcd\"."`
EtcdElectionPrefix string `long:"etcd-election-prefix" description:"Election key prefix when using etcd leader elector. Defaults to \"/leader/\"."`
EtcdElectionPrefix string `long:"etcd-election-prefix" description:"Election key prefix when using etcd leader elector."`
ID string `long:"id" description:"Identifier for this node inside the cluster (used in leader election). Defaults to the hostname."`
LeaderSessionTTL int `long:"leader-session-ttl" description:"The TTL in seconds to use for the leader election session."`
}
// DefaultCluster creates and returns a new default DB config.
@@ -31,6 +33,7 @@ func DefaultCluster() *Cluster {
return &Cluster{
LeaderElector: cluster.EtcdLeaderElector,
EtcdElectionPrefix: DefaultEtcdElectionPrefix,
LeaderSessionTTL: 60,
ID: hostname,
}
}
@@ -43,7 +46,7 @@ func (c *Cluster) MakeLeaderElector(electionCtx context.Context, db *DB) (
if c.LeaderElector == cluster.EtcdLeaderElector {
return cluster.MakeLeaderElector(
electionCtx, c.LeaderElector, c.ID,
c.EtcdElectionPrefix, db.Etcd,
c.EtcdElectionPrefix, c.LeaderSessionTTL, db.Etcd,
)
}