backend/oss: Ignore the getting oss endpoint error and using string concat instead; Improves the error message level

internal/backend/remote-state/oss/backend.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/endpoints"
 	"io/ioutil"
 	"log"
 	"net/http"
@@ -16,6 +15,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/endpoints"
+
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk"
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
@@ -379,12 +380,13 @@ func (b *Backend) configure(ctx context.Context) error {
 	if endpoint == "" {
 		endpointsResponse, err := b.getOSSEndpointByRegion(accessKey, secretKey, securityToken, region)
 		if err != nil {
-			return err
-		}
-		for _, endpointItem := range endpointsResponse.Endpoints.Endpoint {
-			if endpointItem.Type == "openAPI" {
-				endpoint = endpointItem.Endpoint
-				break
+			log.Printf("[WARN] getting oss endpoint failed and using oss-%s.aliyuncs.com instead. Error: %#v.", region, err)
+		} else {
+			for _, endpointItem := range endpointsResponse.Endpoints.Endpoint {
+				if endpointItem.Type == "openAPI" {
+					endpoint = endpointItem.Endpoint
+					break
+				}
 			}
 		}
 		if endpoint == "" {

internal/backend/remote-state/oss/client.go

@@ -180,23 +180,22 @@ func (c *RemoteClient) Lock(info *statemgr.LockInfo) (string, error) {
 		},
 	}
 
-	log.Printf("[DEBUG] Recording state lock in tablestore: %#v", putParams)
+	log.Printf("[DEBUG] Recording state lock in tablestore: %#v; LOCKID:%s", putParams, c.lockPath())
 
 	_, err := c.otsClient.PutRow(&tablestore.PutRowRequest{
 		PutRowChange: putParams,
 	})
 	if err != nil {
-		log.Printf("[WARN] Error storing state lock in tablestore: %#v", err)
+		err = fmt.Errorf("invoking PutRow got an error: %#v", err)
 		lockInfo, infoErr := c.getLockInfo()
 		if infoErr != nil {
-			log.Printf("[WARN] Error getting lock info: %#v", err)
-			err = multierror.Append(err, infoErr)
+			err = multierror.Append(err, fmt.Errorf("\ngetting lock info got an error: %#v", infoErr))
 		}
 		lockErr := &statemgr.LockError{
 			Err:  err,
 			Info: lockInfo,
 		}
-		log.Printf("[WARN] state lock error: %#v", lockErr)
+		log.Printf("[ERROR] state lock error: %s", lockErr.Error())
 		return "", lockErr
 	}
 
@@ -386,13 +385,11 @@ func (c *RemoteClient) Unlock(id string) error {
 				},
 			},
 			Condition: &tablestore.RowCondition{
-				RowExistenceExpectation: tablestore.RowExistenceExpectation_EXPECT_EXIST,
+				RowExistenceExpectation: tablestore.RowExistenceExpectation_IGNORE,
 			},
 		},
 	}
 
-	log.Printf("[DEBUG] Deleting state lock from tablestore: %#v", params)
-
 	_, err = c.otsClient.DeleteRow(params)
 
 	if err != nil {