fix: tcr - block creating while replication region same with current (#1385)

* fix: tcr - block creating while replication region same with current

* changelog 1385

Author: Kagashino

.changelog/1385.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+resource/tencentcloud_tcr_instance: fix: tcr - block creating while replication region same with current
+```

tencentcloud/extension_tcr.go

@@ -4,3 +4,50 @@ const (
 	TCR_VPC_DNS_STATUS_ENABLED  = "ENABLED"
 	TCR_VPC_DNS_STATUS_DISABLED = "DISABLED"
 )
+
+// FIXME: temp data, use api request instead if support
+var RegionIdMap = map[string]string{
+	"ap-guangzhou":       "1",
+	"ap-shanghai":        "4",
+	"ap-hongkong":        "5",
+	"na-toronto":         "6",
+	"ap-shanghai-fsi":    "7",
+	"ap-beijing":         "8",
+	"ap-singapore":       "9",
+	"ap-shenzhen-fsi":    "11",
+	"ap-guangzhou-open":  "12",
+	"ap-shanghai-ysx":    "13",
+	"na-siliconvalley":   "15",
+	"ap-chengdu":         "16",
+	"eu-frankfurt":       "17",
+	"ap-seoul":           "18",
+	"ap-chongqing":       "19",
+	"ap-mumbai":          "21",
+	"na-ashburn":         "22",
+	"ap-bangkok":         "23",
+	"eu-moscow":          "24",
+	"ap-tokyo":           "25",
+	"ap-jinan-ec":        "31",
+	"ap-hangzhou-ec":     "32",
+	"ap-nanjing":         "33",
+	"ap-fuzhou-ec":       "34",
+	"ap-wuhan-ec":        "35",
+	"ap-tianjin":         "36",
+	"ap-shenzhen":        "37",
+	"ap-taipei":          "39",
+	"ap-changsha-ec":     "45",
+	"ap-beijing-fsi":     "46",
+	"ap-shijiazhuang-ec": "53",
+	"ap-qingyuan":        "54",
+	"ap-hefei-ec":        "55",
+	"ap-shenyang-ec":     "56",
+	"ap-xian-ec":         "57",
+	"ap-xibei-ec":        "58",
+	"ap-zhengzhou-ec":    "71",
+	"ap-jakarta":         "72",
+	"ap-qingyuan-xinan":  "73",
+	"sa-saopaulo":        "74",
+	"ap-guiyang":         "76",
+	"ap-shenzhen-sycft":  "77",
+	"ap-shanghai-adc":    "78",
+}

tencentcloud/resource_tc_tcr_instance.go

@@ -234,6 +234,18 @@ func resourceTencentCloudTcrInstanceCreate(d *schema.ResourceData, meta interfac
 		return fmt.Errorf("`open_public_operation` must be `true` if `security_policy` set")
 	}
 
+	// Check if replicas region same with current
+	if v, ok := d.Get("replications").([]interface{}); ok {
+		providerRegionId := RegionIdMap[client.Region]
+		for i := range v {
+			rep := v[i].(map[string]interface{})
+			repRegion := fmt.Sprintf("%d", rep["region_id"].(int))
+			if repRegion == providerRegionId {
+				return fmt.Errorf("replication %s region is same with instance region %s (%s)", repRegion, providerRegionId, client.Region)
+			}
+		}
+	}
+
 	outErr = resource.Retry(writeRetryTimeout, func() *resource.RetryError {
 		instanceId, inErr = tcrService.CreateTCRInstance(ctx, name, insType, map[string]string{})
 		if inErr != nil {