diff options
author | Michael Muré <batolettre@gmail.com> | 2018-09-24 19:22:32 +0200 |
---|---|---|
committer | Michael Muré <batolettre@gmail.com> | 2018-09-24 19:22:32 +0200 |
commit | c4a207622a894ba9839f1a3c47c9d78beff9b861 (patch) | |
tree | 009d80b363b5392e6eba4bec85b0ae74b3942995 /vendor/google.golang.org/appengine/internal/identity_vm.go | |
parent | c86e7231b223d532e26ab5449715c65b6b4e3fde (diff) | |
download | git-bug-c4a207622a894ba9839f1a3c47c9d78beff9b861.tar.gz |
github: query most of the data
Diffstat (limited to 'vendor/google.golang.org/appengine/internal/identity_vm.go')
-rw-r--r-- | vendor/google.golang.org/appengine/internal/identity_vm.go | 134 |
1 files changed, 134 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 00000000..5d806726 --- /dev/null +++ b/vendor/google.golang.org/appengine/internal/identity_vm.go @@ -0,0 +1,134 @@ +// 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 ( + "log" + "net/http" + "os" + "strings" + + 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 { + if dc := ctxHeaders(ctx).Get(hDatacenter); dc != "" { + return dc + } + // If the header isn't set, read zone from the metadata service. + // It has the format projects/[NUMERIC_PROJECT_ID]/zones/[ZONE] + zone, err := getMetadata("instance/zone") + if err != nil { + log.Printf("Datacenter: %v", err) + return "" + } + parts := strings.Split(string(zone), "/") + if len(parts) == 0 { + return "" + } + return parts[len(parts)-1] +} + +func ServerSoftware() string { + // TODO(dsymonds): Remove fallback when we've verified this. + if s := os.Getenv("SERVER_SOFTWARE"); s != "" { + return s + } + if s := os.Getenv("GAE_ENV"); 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 + } + if s := os.Getenv("GAE_SERVICE"); 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 + } + if s1, s2 := os.Getenv("GAE_VERSION"), os.Getenv("GAE_DEPLOYMENT_ID"); 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 + } + if s := os.Getenv("GAE_INSTANCE"); s != "" { + return s + } + return string(mustGetMetadata("instance/attributes/gae_backend_instance")) +} + +func partitionlessAppID() string { + // gae_project has everything except the partition prefix. + if appID := os.Getenv("GAE_LONG_APP_ID"); appID != "" { + return appID + } + if project := os.Getenv("GOOGLE_CLOUD_PROJECT"); project != "" { + return project + } + return string(mustGetMetadata("instance/attributes/gae_project")) +} + +func fullyQualifiedAppID(_ netcontext.Context) string { + if s := os.Getenv("GAE_APPLICATION"); s != "" { + return s + } + 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") != "" +} |