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author | Valentin Rothberg <rothberg@redhat.com> | 2019-06-24 21:29:31 +0200 |
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committer | Valentin Rothberg <rothberg@redhat.com> | 2019-06-24 21:29:31 +0200 |
commit | 2388222e98462fdbbe44f3e091b2b79d80956a9a (patch) | |
tree | 17078d861c20a3e48b19c750c6864c5f59248386 /vendor/google.golang.org/appengine/internal/metadata.go | |
parent | a1a4a75abee2c381483a218e1660621ee416ef7c (diff) | |
download | podman-2388222e98462fdbbe44f3e091b2b79d80956a9a.tar.gz podman-2388222e98462fdbbe44f3e091b2b79d80956a9a.tar.bz2 podman-2388222e98462fdbbe44f3e091b2b79d80956a9a.zip |
update dependencies
Ran a `go get -u` and bumped K8s deps to 1.15.0.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/google.golang.org/appengine/internal/metadata.go')
-rw-r--r-- | vendor/google.golang.org/appengine/internal/metadata.go | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/vendor/google.golang.org/appengine/internal/metadata.go b/vendor/google.golang.org/appengine/internal/metadata.go new file mode 100644 index 000000000..c4ba63bb4 --- /dev/null +++ b/vendor/google.golang.org/appengine/internal/metadata.go @@ -0,0 +1,60 @@ +// Copyright 2014 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. + +package internal + +// This file has code for accessing metadata. +// +// References: +// https://cloud.google.com/compute/docs/metadata + +import ( + "fmt" + "io/ioutil" + "net/http" + "net/url" +) + +const ( + metadataHost = "metadata" + metadataPath = "/computeMetadata/v1/" +) + +var ( + metadataRequestHeaders = http.Header{ + "Metadata-Flavor": []string{"Google"}, + } +) + +// TODO(dsymonds): Do we need to support default values, like Python? +func mustGetMetadata(key string) []byte { + b, err := getMetadata(key) + if err != nil { + panic(fmt.Sprintf("Metadata fetch failed for '%s': %v", key, err)) + } + return b +} + +func getMetadata(key string) ([]byte, error) { + // TODO(dsymonds): May need to use url.Parse to support keys with query args. + req := &http.Request{ + Method: "GET", + URL: &url.URL{ + Scheme: "http", + Host: metadataHost, + Path: metadataPath + key, + }, + Header: metadataRequestHeaders, + Host: metadataHost, + } + resp, err := http.DefaultClient.Do(req) + if err != nil { + return nil, err + } + defer resp.Body.Close() + if resp.StatusCode != 200 { + return nil, fmt.Errorf("metadata server returned HTTP %d", resp.StatusCode) + } + return ioutil.ReadAll(resp.Body) +} |