move cloudwatch crendential related code

pkg/tsdb/cloudwatch/cloudwatch.go

@@ -17,7 +17,6 @@ import (
 	"github.com/aws/aws-sdk-go/aws/request"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/cloudwatch"
-	cwapi "github.com/grafana/grafana/pkg/api/cloudwatch"
 	"github.com/grafana/grafana/pkg/components/null"
 	"github.com/grafana/grafana/pkg/components/simplejson"
 	"github.com/grafana/grafana/pkg/metrics"
@@ -128,7 +127,7 @@ func (e *CloudWatchExecutor) getClient(region string) (*cloudwatch.CloudWatch, e
 		}
 	}
 
-	datasourceInfo := &cwapi.DatasourceInfo{
+	datasourceInfo := &DatasourceInfo{
 		Region:        region,
 		Profile:       e.DataSource.Database,
 		AssumeRoleArn: assumeRoleArn,
@@ -136,7 +135,7 @@ func (e *CloudWatchExecutor) getClient(region string) (*cloudwatch.CloudWatch, e
 		SecretKey:     secretKey,
 	}
 
-	credentials, err := cwapi.GetCredentials(datasourceInfo)
+	credentials, err := GetCredentials(datasourceInfo)
 	if err != nil {
 		return nil, err
 	}

pkg/api/cloudwatch/cloudwatch.go → pkg/tsdb/cloudwatch/credentials.go

@@ -183,14 +183,14 @@ func ec2RoleProvider(sess *session.Session) credentials.Provider {
 	return &ec2rolecreds.EC2RoleProvider{Client: ec2metadata.New(sess), ExpiryWindow: 5 * time.Minute}
 }
 
-func getAwsConfig(req *cwRequest) (*aws.Config, error) {
-	creds, err := GetCredentials(req.GetDatasourceInfo())
+func getAwsConfig(dsInfo *DatasourceInfo) (*aws.Config, error) {
+	creds, err := GetCredentials(dsInfo)
 	if err != nil {
 		return nil, err
 	}
 
 	cfg := &aws.Config{
-		Region:      aws.String(req.Region),
+		Region:      aws.String(dsInfo.Region),
 		Credentials: creds,
 	}
 	return cfg, nil

pkg/tsdb/cloudwatch/metric_find_query.go

@@ -14,7 +14,6 @@ import (
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/cloudwatch"
 	"github.com/aws/aws-sdk-go/service/ec2"
-	cwapi "github.com/grafana/grafana/pkg/api/cloudwatch"
 	"github.com/grafana/grafana/pkg/components/simplejson"
 	"github.com/grafana/grafana/pkg/metrics"
 	"github.com/grafana/grafana/pkg/tsdb"
@@ -211,7 +210,7 @@ func transformToTable(data []suggestData, result *tsdb.QueryResult) {
 	result.Meta.Set("rowCount", len(data))
 }
 
-func (e *CloudWatchExecutor) getDsInfo(region string) *cwapi.DatasourceInfo {
+func (e *CloudWatchExecutor) getDsInfo(region string) *DatasourceInfo {
 	assumeRoleArn := e.DataSource.JsonData.Get("assumeRoleArn").MustString()
 	accessKey := ""
 	secretKey := ""
@@ -224,7 +223,7 @@ func (e *CloudWatchExecutor) getDsInfo(region string) *cwapi.DatasourceInfo {
 		}
 	}
 
-	datasourceInfo := &cwapi.DatasourceInfo{
+	datasourceInfo := &DatasourceInfo{
 		Region:        region,
 		Profile:       e.DataSource.Database,
 		AssumeRoleArn: assumeRoleArn,
@@ -460,19 +459,6 @@ func (e *CloudWatchExecutor) handleGetEc2InstanceAttribute(ctx context.Context,
 	return result, nil
 }
 
-func getAwsConfig(dsInfo *cwapi.DatasourceInfo) (*aws.Config, error) {
-	creds, err := cwapi.GetCredentials(dsInfo)
-	if err != nil {
-		return nil, err
-	}
-
-	cfg := &aws.Config{
-		Region:      aws.String(dsInfo.Region),
-		Credentials: creds,
-	}
-	return cfg, nil
-}
-
 func (e *CloudWatchExecutor) cloudwatchListMetrics(region string, namespace string, metricName string, dimensions []*cloudwatch.DimensionFilter) (*cloudwatch.ListMetricsOutput, error) {
 	dsInfo := e.getDsInfo(region)
 	cfg, err := getAwsConfig(dsInfo)
@@ -541,8 +527,8 @@ func (e *CloudWatchExecutor) ec2DescribeInstances(region string, filters []*ec2.
 	return &resp, nil
 }
 
-func getAllMetrics(cwData *cwapi.DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
-	creds, err := cwapi.GetCredentials(cwData)
+func getAllMetrics(cwData *DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
+	creds, err := GetCredentials(cwData)
 	if err != nil {
 		return cloudwatch.ListMetricsOutput{}, err
 	}
@@ -579,7 +565,7 @@ func getAllMetrics(cwData *cwapi.DatasourceInfo) (cloudwatch.ListMetricsOutput,
 
 var metricsCacheLock sync.Mutex
 
-func getMetricsForCustomMetrics(dsInfo *cwapi.DatasourceInfo, getAllMetrics func(*cwapi.DatasourceInfo) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
+func getMetricsForCustomMetrics(dsInfo *DatasourceInfo, getAllMetrics func(*DatasourceInfo) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
 	metricsCacheLock.Lock()
 	defer metricsCacheLock.Unlock()
 
@@ -616,7 +602,7 @@ func getMetricsForCustomMetrics(dsInfo *cwapi.DatasourceInfo, getAllMetrics func
 
 var dimensionsCacheLock sync.Mutex
 
-func getDimensionsForCustomMetrics(dsInfo *cwapi.DatasourceInfo, getAllMetrics func(*cwapi.DatasourceInfo) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
+func getDimensionsForCustomMetrics(dsInfo *DatasourceInfo, getAllMetrics func(*DatasourceInfo) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
 	dimensionsCacheLock.Lock()
 	defer dimensionsCacheLock.Unlock()
 

pkg/tsdb/cloudwatch/metric_find_query_test.go

@@ -5,20 +5,19 @@ import (
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/cloudwatch"
-	cwapi "github.com/grafana/grafana/pkg/api/cloudwatch"
 	. "github.com/smartystreets/goconvey/convey"
 )
 
 func TestCloudWatchMetrics(t *testing.T) {
 
 	Convey("When calling getMetricsForCustomMetrics", t, func() {
-		dsInfo := &cwapi.DatasourceInfo{
+		dsInfo := &DatasourceInfo{
 			Region:        "us-east-1",
 			Namespace:     "Foo",
 			Profile:       "default",
 			AssumeRoleArn: "",
 		}
-		f := func(dsInfo *cwapi.DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
+		f := func(dsInfo *DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
 			return cloudwatch.ListMetricsOutput{
 				Metrics: []*cloudwatch.Metric{
 					{
@@ -40,13 +39,13 @@ func TestCloudWatchMetrics(t *testing.T) {
 	})
 
 	Convey("When calling getDimensionsForCustomMetrics", t, func() {
-		dsInfo := &cwapi.DatasourceInfo{
+		dsInfo := &DatasourceInfo{
 			Region:        "us-east-1",
 			Namespace:     "Foo",
 			Profile:       "default",
 			AssumeRoleArn: "",
 		}
-		f := func(dsInfo *cwapi.DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
+		f := func(dsInfo *DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
 			return cloudwatch.ListMetricsOutput{
 				Metrics: []*cloudwatch.Metric{
 					{