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Diffstat (limited to 'vendor/google.golang.org/appengine/internal/identity_vm.go')
-rw-r--r--vendor/google.golang.org/appengine/internal/identity_vm.go101
1 files changed, 101 insertions, 0 deletions
diff --git a/vendor/google.golang.org/appengine/internal/identity_vm.go b/vendor/google.golang.org/appengine/internal/identity_vm.go
new file mode 100644
index 0000000..d5fa75b
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/identity_vm.go
@@ -0,0 +1,101 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build !appengine
+
+package internal
+
+import (
+ "net/http"
+ "os"
+
+ netcontext "golang.org/x/net/context"
+)
+
+// These functions are implementations of the wrapper functions
+// in ../appengine/identity.go. See that file for commentary.
+
+const (
+ hDefaultVersionHostname = "X-AppEngine-Default-Version-Hostname"
+ hRequestLogId = "X-AppEngine-Request-Log-Id"
+ hDatacenter = "X-AppEngine-Datacenter"
+)
+
+func ctxHeaders(ctx netcontext.Context) http.Header {
+ c := fromContext(ctx)
+ if c == nil {
+ return nil
+ }
+ return c.Request().Header
+}
+
+func DefaultVersionHostname(ctx netcontext.Context) string {
+ return ctxHeaders(ctx).Get(hDefaultVersionHostname)
+}
+
+func RequestID(ctx netcontext.Context) string {
+ return ctxHeaders(ctx).Get(hRequestLogId)
+}
+
+func Datacenter(ctx netcontext.Context) string {
+ return ctxHeaders(ctx).Get(hDatacenter)
+}
+
+func ServerSoftware() string {
+ // TODO(dsymonds): Remove fallback when we've verified this.
+ if s := os.Getenv("SERVER_SOFTWARE"); s != "" {
+ return s
+ }
+ return "Google App Engine/1.x.x"
+}
+
+// TODO(dsymonds): Remove the metadata fetches.
+
+func ModuleName(_ netcontext.Context) string {
+ if s := os.Getenv("GAE_MODULE_NAME"); s != "" {
+ return s
+ }
+ return string(mustGetMetadata("instance/attributes/gae_backend_name"))
+}
+
+func VersionID(_ netcontext.Context) string {
+ if s1, s2 := os.Getenv("GAE_MODULE_VERSION"), os.Getenv("GAE_MINOR_VERSION"); s1 != "" && s2 != "" {
+ return s1 + "." + s2
+ }
+ return string(mustGetMetadata("instance/attributes/gae_backend_version")) + "." + string(mustGetMetadata("instance/attributes/gae_backend_minor_version"))
+}
+
+func InstanceID() string {
+ if s := os.Getenv("GAE_MODULE_INSTANCE"); s != "" {
+ return s
+ }
+ return string(mustGetMetadata("instance/attributes/gae_backend_instance"))
+}
+
+func partitionlessAppID() string {
+ // gae_project has everything except the partition prefix.
+ appID := os.Getenv("GAE_LONG_APP_ID")
+ if appID == "" {
+ appID = string(mustGetMetadata("instance/attributes/gae_project"))
+ }
+ return appID
+}
+
+func fullyQualifiedAppID(_ netcontext.Context) string {
+ appID := partitionlessAppID()
+
+ part := os.Getenv("GAE_PARTITION")
+ if part == "" {
+ part = string(mustGetMetadata("instance/attributes/gae_partition"))
+ }
+
+ if part != "" {
+ appID = part + "~" + appID
+ }
+ return appID
+}
+
+func IsDevAppServer() bool {
+ return os.Getenv("RUN_WITH_DEVAPPSERVER") != ""
+}