Merge pull request #4 from /issues/3/main

Project Number取得 #3

Author: 54m

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,6 @@
 <!-- This is a template. Please rewrite to the necessary contents when creating the PR. -->
 <!-- If there is an issue, enter it. -->
-Closes #XXX
+- Closes #XXX
 
 <!-- ## Overview -->
 <!-- Please write the purpose of this PR and the outline of implementation. -->

.github/workflows/go.yml

@@ -13,10 +13,10 @@ jobs:
       GO111MODULE: on
 
     steps:
-      - name: Set up Go 1.12
-        uses: actions/setup-go@v1
+      - name: Set up Go ^1.13
+        uses: actions/setup-go@v2
         with:
-          go-version: 1.12
+          go-version: '^1.13'
         id: go
 
       - uses: actions/checkout@v2

constant.go

@@ -4,8 +4,10 @@ const (
 	EnvKeyProjectID          = "GCP_PROJECT"          // for Google Cloud Functions
 	EnvKeyGoogleCloudProject = "GOOGLE_CLOUD_PROJECT" // for Google App Engine
 
+	// EnvKeyServiceName will be deleted in a major version upgrade
 	// Deprecated
 	EnvKeyServiceName = "GAE_SERVICE" // for Google App Engine
+	// EnvKeyServiceVersion will be deleted in a major version upgrade
 	// Deprecated
 	EnvKeyServiceVersion = "GAE_VERSION" // for Google App Engine
 

environ.go

@@ -1,12 +1,16 @@
 package gcpen
 
 import (
+	"context"
 	"os"
+
+	"google.golang.org/api/cloudresourcemanager/v1"
 )
 
 var (
 	// ProjectID - Google Cloud Platform Project ID
-	ProjectID = getProjectID()
+	ProjectID     = getProjectID()
+	projectNumber int64
 
 	// ServiceName - Google App Engine service name
 	// Deprecated
@@ -40,19 +44,40 @@ func getProjectID() string {
 	return ""
 }
 
-// Reload - Reload environment variables.
+// Reload - reload environment variables.
 func Reload() {
 	ProjectID = getProjectID()
 
+	// ServiceName - will be deleted in a major version upgrade
 	// Deprecated
-	// ServiceName - Deprecated
 	ServiceName = os.Getenv(EnvKeyServiceName)
+	// ServiceVersion - will be deleted in a major version upgrade
 	// Deprecated
-	// ServiceVersion - Deprecated
 	ServiceVersion = os.Getenv(EnvKeyServiceVersion)
 
 	GAEServiceName = os.Getenv(EnvKeyGAEServiceName)
 	GAEServiceVersion = os.Getenv(EnvKeyGAEServiceVersion)
 	RUNServiceName = os.Getenv(EnvKeyRUNServiceName)
 	RUNServiceRevision = os.Getenv(EnvKeyRUNServiceRevision)
 }
+
+// GetProjectNumber - get project number
+func GetProjectNumber(ctx context.Context, forceRefresh ...bool) (int64, error) {
+	if projectNumber != 0 && !(len(forceRefresh) > 0 && forceRefresh[0]) {
+		return projectNumber, nil
+	}
+
+	service, err := cloudresourcemanager.NewService(ctx)
+	if err != nil {
+		return 0, err
+	}
+
+	project, err := service.Projects.Get(getProjectID()).Context(ctx).Do()
+	if err != nil {
+		return 0, err
+	}
+
+	projectNumber = project.ProjectNumber
+
+	return projectNumber, nil
+}

go.mod

@@ -1,3 +1,5 @@
 module github.com/gcp-kit/gcpen
 
 go 1.13
+
+require google.golang.org/api v0.84.0