Enable Azure storage and stasher tests in drone (gomods#1281)

* enable azure ci tests

* add import

.drone.yml

@@ -48,6 +48,10 @@ steps:
       from_secret: GCS_SERVICE_ACCOUNT
     GCS_PROJECT_ID: 
       from_secret: GOOGLE_CLOUD_PROJECT
+    ATHENS_AZURE_ACCOUNT_NAME:
+      from_secret: ATHENS_AZURE_ACCOUNT_NAME
+    ATHENS_AZURE_ACCOUNT_KEY: 
+      from_secret: ATHENS_AZURE_ACCOUNT_KEY
   when:
     branch:
       - master

pkg/stash/with_azureblob_test.go

@@ -12,14 +12,16 @@ import (
 	"github.com/gomods/athens/pkg/config"
 	"github.com/gomods/athens/pkg/storage"
 	"github.com/gomods/athens/pkg/storage/mem"
+	"github.com/technosophos/moniker"
 	"golang.org/x/sync/errgroup"
 )
 
 // TestWithAzureBlob requires a real AzureBlob backend implementation
 // and it will ensure that saving to modules at the same time
 // is done synchronously so that only the first module gets saved.
 func TestWithAzureBlob(t *testing.T) {
-	cfg := getAzureTestConfig()
+	containerName := randomContainerName(os.Getenv("DRONE_PULL_REQUEST"))
+	cfg := getAzureTestConfig(containerName)
 	if cfg == nil {
 		t.SkipNow()
 	}
@@ -82,14 +84,28 @@ func (ms *mockAzureBlobStasher) Stash(ctx context.Context, mod, ver string) (str
 	return "", fmt.Errorf("second time error")
 }
 
-func getAzureTestConfig() *config.AzureBlobConfig {
+func getAzureTestConfig(containerName string) *config.AzureBlobConfig {
 	key := os.Getenv("ATHENS_AZURE_ACCOUNT_KEY")
 	if key == "" {
 		return nil
 	}
+	name := os.Getenv("ATHENS_AZURE_ACCOUNT_NAME")
+	if name == "" {
+		return nil
+	}
 	return &config.AzureBlobConfig{
-		AccountName:   "athens_drone_azure_account",
+		AccountName:   name,
 		AccountKey:    key,
-		ContainerName: "athens_drone_azure_container",
+		ContainerName: containerName,
+	}
+}
+
+func randomContainerName(prefix string) string {
+	// moniker is a cool library to produce mostly unique, human-readable names
+	// see https://github.com/technosophos/moniker for more details
+	namer := moniker.New()
+	if prefix != "" {
+		return fmt.Sprintf("%s_%s", prefix, namer.NameSep(""))
 	}
+	return namer.NameSep("")
 }