Final commit for migration.

delivery.yaml

@@ -39,7 +39,7 @@ pipeline:
             go test ./...
         - desc: 'Run e2e tests'
           cmd: |
-            echo "" || make e2e
+            make e2e
         - desc: 'Push docker image'
           cmd: |
             export PATH=$PATH:$HOME/go/bin

docs/reference/operator_parameters.md

@@ -368,6 +368,13 @@ configuration they are grouped under the `kubernetes` key.
   changes PVC definition, off - disables resize of the volumes. Default is "ebs".
   When using OpenShift please use one of the other available options.
 
+* **enable_ebs_gp3_migration**
+  enable automatic migration on AWS from gp2 volumes to gp3 volumes, smaller than configured max size.
+  it ignored that ebs gp3 is by default only 125mb/sec vs 250mb/sec for gp2 >= 333gb.
+
+* **enable_ebs_gp3_migration_max_size**
+  defines the maximum volume size until which auto migration happens, default 1tb which matches 3000iops default
+
 ## Kubernetes resource requests
 
 This group allows you to configure resource requests for the Postgres pods.

pkg/cluster/volumes.go

@@ -295,7 +295,7 @@ func (c *Cluster) executeEBSMigration() error {
 	}
 
 	for _, volume := range awsVolumes {
-		if volume.VolumeType == "gp2" && volume.Size < c.OpConfig.EnableEBSGp3MaxSize {
+		if volume.VolumeType == "gp2" && volume.Size < c.OpConfig.EnableEBSGp3MigrationMaxSize {
 			c.logger.Infof("modifying EBS volume %s to type gp3 migration (%d)", volume.VolumeID, volume.Size)
 			err = c.VolumeResizer.ModifyVolume(volume.VolumeID, "gp3", volume.Size, 3000, 125)
 			if nil != err {

pkg/cluster/volumes_test.go

@@ -220,7 +220,7 @@ func TestMigrateEBS(t *testing.T) {
 				},
 				StorageResizeMode:            "pvc",
 				EnableEBSGp3Migration:        true,
-				EnableEBSGp3MaxSize:   1000,
+				EnableEBSGp3MigrationMaxSize: 1000,
 			},
 		}, client, acidv1.Postgresql{}, logger, eventRecorder)
 	cluster.Spec.Volume.Size = "1Gi"

pkg/util/config/config.go

@@ -199,7 +199,7 @@ type Config struct {
 	EnableLazySpiloUpgrade                 bool              `name:"enable_lazy_spilo_upgrade" default:"false"`
 	EnablePgVersionEnvVar                  bool              `name:"enable_pgversion_env_var" default:"false"`
 	EnableEBSGp3Migration                  bool              `name:"enable_ebs_gp3_migration" default:"false"`
-	EnableEBSGp3MaxSize                    int64             `name:"enable_ebs_gp3_max_size" default:"1000"`
+	EnableEBSGp3MigrationMaxSize           int64             `name:"enable_ebs_gp3_migration_max_size" default:"1000"`
 }
 
 // MustMarshal marshals the config or panics