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Standby cluster promotion by changing manifest (#2472)

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* Standby cluster promotion by changing manifest
* Updated the documentation

---------

Co-authored-by: Senthilnathan M <snathanm@vmware.com>
This commit is contained in:
Felix Kunde
2024-01-04 12:33:50 +01:00
committed by GitHub
co-authored by Senthilnathan M
parent bbba15f9bf
commit dad5b132ec
5 changed files with 212 additions and 25 deletions
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pkg/util/patroni/patroni.go
+8 -2
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@@ -34,6 +34,7 @@ type Interface interface {
GetClusterMembers(master *v1.Pod) ([]ClusterMember, error)
Switchover(master *v1.Pod, candidate string) error
SetPostgresParameters(server *v1.Pod, options map[string]string) error
SetStandbyClusterParameters(server *v1.Pod, options map[string]interface{}) error
GetMemberData(server *v1.Pod) (MemberData, error)
Restart(server *v1.Pod) error
GetConfig(server *v1.Pod) (acidv1.Patroni, map[string]string, error)
@@ -150,7 +151,7 @@ func (p *Patroni) Switchover(master *v1.Pod, candidate string) error {
//TODO: add an option call /patroni to check if it is necessary to restart the server
//SetPostgresParameters sets Postgres options via Patroni patch API call.
// SetPostgresParameters sets Postgres options via Patroni patch API call.
func (p *Patroni) SetPostgresParameters(server *v1.Pod, parameters map[string]string) error {
buf := &bytes.Buffer{}
err := json.NewEncoder(buf).Encode(map[string]map[string]interface{}{"postgresql": {"parameters": parameters}})
@@ -164,7 +165,12 @@ func (p *Patroni) SetPostgresParameters(server *v1.Pod, parameters map[string]st
return p.httpPostOrPatch(http.MethodPatch, apiURLString+configPath, buf)
}
//SetConfig sets Patroni options via Patroni patch API call.
// SetStandbyClusterParameters sets StandbyCluster options via Patroni patch API call.
func (p *Patroni) SetStandbyClusterParameters(server *v1.Pod, parameters map[string]interface{}) error {
return p.SetConfig(server, map[string]interface{}{"standby_cluster": parameters})
}
// SetConfig sets Patroni options via Patroni patch API call.
func (p *Patroni) SetConfig(server *v1.Pod, config map[string]interface{}) error {
buf := &bytes.Buffer{}
err := json.NewEncoder(buf).Encode(config)