godev/devtools: create cloud storage emulator script
The script starts a GCS emulator for use in manual testing and
prototyping the services that interact with GCS.
Change-Id: Ic4abe4f35fc7843ebd9b62b8d5323ba672cd7747
Reviewed-on: https://go-review.googlesource.com/c/telemetry/+/498264
Run-TryBot: Jamal Carvalho <jamal@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/godev/.gitignore b/godev/.gitignore
index 3c3629e..46770c4 100644
--- a/godev/.gitignore
+++ b/godev/.gitignore
@@ -1 +1,2 @@
node_modules
+.localstorage
\ No newline at end of file
diff --git a/godev/devtools/localstorage.sh b/godev/devtools/localstorage.sh
new file mode 100755
index 0000000..fb21cc1
--- /dev/null
+++ b/godev/devtools/localstorage.sh
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+# Copyright 2023 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+set -e
+
+# Script for running a Google Cloud Storage API emulator.
+#
+# Connect to the emulator by adding an endpoint option when creating a storage
+# client.
+#
+# client, err := storage.NewClient(
+# context.Background(),
+# option.WithEndpoint("http://localhost:8081/storage/v1/"),
+# )
+#
+# Or by setting STORAGE_EMULATOR_HOST=localhost:8081 when running your program.
+#
+# STORAGE_EMULATOR_HOST=localhost:8081 go run ./cmd/my-command
+#
+# OR
+#
+# if err := os.Setenv("STORAGE_EMULATOR_HOST", "localhost:8081"); err != nil {
+# log.Fatal(err)
+# }
+#
+# By default, the emulator will read and write from godev/.localstorage. Pass a
+# directory to override that location.
+#
+# ./devtools/localstorage.sh ~/storage
+
+version=v0.0.0-20230523204811-eccb7d2267b0
+port=8081
+dir=.localstorage
+if [ ! -z "$1" ]; then
+ dir="$1"
+fi
+
+if ! command -v gcsemulator &> /dev/null
+then
+ echo "Command gcsemulator could not be found. Installing..."
+ go install github.com/fullstorydev/emulators/storage/cmd/gcsemulator@$version
+fi
+
+gcsemulator -port $port -dir $dir
