Get config from environment variables;

ignore pg major version change;
get rid of resources package;

pkg/util/constants/constants.go

@@ -1,41 +1,14 @@
 package constants
 
-import "time"
-
 const (
-	TPRName               = "postgresql"
-	TPRVendor             = "acid.zalan.do"
-	TPRDescription        = "Managed PostgreSQL clusters"
-	TPRReadyWaitInterval  = 3 * time.Second
-	TPRReadyWaitTimeout   = 30 * time.Second
-	TPRApiVersion         = "v1"
-	ResourceCheckInterval = 3 * time.Second
-	ResourceCheckTimeout  = 10 * time.Minute
-
-	PodLabelWaitTimeout    = 10 * time.Minute
-	PodDeletionWaitTimeout = 10 * time.Minute
-
-	ResourceName    = TPRName + "s"
-	ResyncPeriodTPR = 5 * time.Minute
-	ResyncPeriodPod = 5 * time.Minute
-
-	SuperuserName       = "postgres"
-	ReplicationUsername = "replication"
-
-	//TODO: move to the operator spec
-	EtcdHost           = "etcd-client.default.svc.cluster.local:2379"
-	SpiloImage         = "registry.opensource.zalan.do/acid/spilo-9.6:1.2-p12"
-	PamRoleName        = "zalandos"
-	PamConfiguration   = "https://info.example.com/oauth2/tokeninfo?access_token= uid realm=/employees"
-	PasswordLength     = 64
-	TeamsAPIUrl        = "https://teams.example.com/api/"
-	UserSecretTemplate = "%s.%s.credentials.%s.%s" // Username, ClusterName, TPRName, TPRVendor
-
-	OAuthTokenSecretName     = "postgresql-operator"
-	ServiceAccountName       = "operator"
+	//Constants
+	TPRName                  = "postgresql"
+	TPRVendor                = "acid.zalan.do"
+	TPRDescription           = "Managed PostgreSQL clusters"
+	TPRApiVersion            = "v1"
 	DataVolumeName           = "pgdata"
+	PasswordLength           = 64
+	UserSecretTemplate       = "%s.%s.credentials.%s.%s" // Username, ClusterName, TPRName, TPRVendor
 	ZalandoDnsNameAnnotation = "zalando.org/dnsname"
-
-	// TODO: move DbHostedZone to operator configuration
-	DbHostedZone = "db.example.com"
+	ResourceName             = TPRName + "s"
 )