Fix timestamp regex (zalando#1178)

Author: Pavel Tumik

charts/postgres-operator/crds/postgresqls.yaml

@@ -128,7 +128,7 @@ spec:
                     type: string
                   timestamp:
                     type: string
-                    pattern: '^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(([Zz])|([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$'
+                    pattern: '^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$'
                     # The regexp matches the date-time format (RFC 3339 Section 5.6) that specifies a timezone as an offset relative to UTC
                     # Example: 1996-12-19T16:39:57-08:00
                     # Note: this field requires a timezone

manifests/postgresql.crd.yaml

@@ -124,7 +124,7 @@ spec:
                     type: string
                   timestamp:
                     type: string
-                    pattern: '^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(([Zz])|([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$'
+                    pattern: '^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$'
                     # The regexp matches the date-time format (RFC 3339 Section 5.6) that specifies a timezone as an offset relative to UTC
                     # Example: 1996-12-19T16:39:57-08:00
                     # Note: this field requires a timezone

pkg/apis/acid.zalan.do/v1/crds.go

@@ -202,7 +202,7 @@ var PostgresCRDResourceValidation = apiextv1.CustomResourceValidation{
 							"timestamp": {
 								Type:        "string",
 								Description: "Date-time format that specifies a timezone as an offset relative to UTC e.g. 1996-12-19T16:39:57-08:00",
-								Pattern:     "^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\\.[0-9]+)?(([Zz])|([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$",
+								Pattern:     "^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\\.[0-9]+)?(([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$",
 							},
 							"uid": {
 								Type:   "string",