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Put special patroni parameters to the bootstrap. 

Some special patroni postgresql parameters, like max_connections,
should reside in the bootstrap.dcs.postgresql.parameters section
to come into effect.
This commit is contained in:
Oleksii Kliukin 2018-05-22 16:47:39 +02:00
parent e6d12b3480
commit f5550c337b
1 changed files with 31 additions and 5 deletions
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36
pkg/cluster/k8sres.go
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@ -30,10 +30,11 @@ type pgUser struct {
}
type patroniDCS struct {
TTL uint32 `json:"ttl,omitempty"`
LoopWait uint32 `json:"loop_wait,omitempty"`
RetryTimeout uint32 `json:"retry_timeout,omitempty"`
MaximumLagOnFailover float32 `json:"maximum_lag_on_failover,omitempty"`
TTL uint32 `json:"ttl,omitempty"`
LoopWait uint32 `json:"loop_wait,omitempty"`
RetryTimeout uint32 `json:"retry_timeout,omitempty"`
MaximumLagOnFailover float32 `json:"maximum_lag_on_failover,omitempty"`
PGBootstrapConfiguration map[string]interface{} `json:"postgresql,omitempty"`
}
type pgBootstrap struct {
@ -221,7 +222,22 @@ PatroniInitDBParams:
config.PgLocalConfiguration = make(map[string]interface{})
config.PgLocalConfiguration[patroniPGBinariesParameterName] = fmt.Sprintf(pgBinariesLocationTemplate, pg.PgVersion)
if len(pg.Parameters) > 0 {
config.PgLocalConfiguration[patroniPGParametersParameterName] = pg.Parameters
localParameters := make(map[string]string)
bootstrapParameters := make(map[string]string)
for param, val := range pg.Parameters {
if !isBootstrapOnlyParameter(param) {
localParameters[param] = val
} else {
bootstrapParameters[param] = val
}
}
if len(localParameters) > 0 {
config.PgLocalConfiguration[patroniPGParametersParameterName] = localParameters
}
if len(bootstrapParameters) > 0 {
config.Bootstrap.DCS.PGBootstrapConfiguration = make(map[string]interface{})
config.Bootstrap.DCS.PGBootstrapConfiguration[patroniPGParametersParameterName] = bootstrapParameters
}
}
config.Bootstrap.Users = map[string]pgUser{
c.OpConfig.PamRoleName: {
@ -280,6 +296,16 @@ func (c *Cluster) tolerations(tolerationsSpec *[]v1.Toleration) []v1.Toleration
return []v1.Toleration{}
}
func isBootstrapOnlyParameter(param string) bool {
return param == "max_connections" ||
param == "max_locks_per_transaction" ||
param == "max_worker_processes" ||
param == "max_prepared_transactions" ||
param == "wal_level" ||
param == "wal_log_hints" ||
param == "track_commit_timestamp"
}
func (c *Cluster) generatePodTemplate(
uid types.UID,
resourceRequirements *v1.ResourceRequirements,