Ruby

Google Cloud Storage List Buckets

See more Google Cloud Storage Examples

Demonstrates how to retrieve a list of buckets for a given project. Ruby

require 'chilkat'

success = false

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# This example uses a previously obtained access token having permission for the 
# scope "https://www.googleapis.com/auth/cloud-platform"

jsonToken = Chilkat::CkJsonObject.new()
success = jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json")
if (success == false)
    print jsonToken.lastErrorText() + "\n";
    exit
end

http = Chilkat::CkHttp.new()
http.put_AuthToken(jsonToken.stringOf("access_token"))

# For more info see Cloud Storage Documentation - Buckets: list 
# 
success = http.SetUrlVar("PROJECT_ID","chilkattest-1050")
resp = Chilkat::CkHttpResponse.new()
success = http.HttpNoBody("GET","https://www.googleapis.com/storage/v1/b?project={$PROJECT_ID}",resp)
if (success == false)
    print http.lastErrorText() + "\n";
    exit
end

responseCode = resp.get_StatusCode()
if (responseCode == 401)
    print resp.bodyStr() + "\n";
    print "If invalid credentials, then it is likely the access token expired." + "\n";
    print "Your app should automatically fetch a new access token and re-try." + "\n";
    exit
end

print "Response code: " + responseCode.to_s() + "\n";
print "Response body" + "\n";

json = Chilkat::CkJsonObject.new()
success = json.Load(resp.bodyStr())

json.put_EmitCompact(false)

print json.emit() + "\n";

# A response code = 200 indicates success, and the response body contains JSON such as this:

# {
#   "kind": "storage#buckets",
#   "items": [
#     {
#       "kind": "storage#bucket",
#       "id": "chilkat-bucket",
#       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-bucket",
#       "projectNumber": "5332332985",
#       "name": "chilkat-bucket",
#       "timeCreated": "2018-10-23T00:04:44.507Z",
#       "updated": "2018-10-23T00:04:44.507Z",
#       "metageneration": "1",
#       "iamConfiguration": {
#         "bucketPolicyOnly": {
#           "enabled": false
#         }
#       },
#       "location": "US",
#       "storageClass": "MULTI_REGIONAL",
#       "etag": "CAE="
#     },
#     {
#       "kind": "storage#bucket",
#       "id": "chilkat-images",
#       "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-images",
#       "projectNumber": "5332332985",
#       "name": "chilkat-images",
#       "timeCreated": "2018-10-23T11:24:43.000Z",
#       "updated": "2018-10-23T11:24:43.000Z",
#       "metageneration": "1",
#       "iamConfiguration": {
#         "bucketPolicyOnly": {
#           "enabled": false
#         }
#       },
#       "location": "US",
#       "storageClass": "MULTI_REGIONAL",
#       "etag": "CAE="
#     }
#   ]
# }

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

kind = json.stringOf("kind")
i = 0
count_i = json.SizeOfArray("items")
while i < count_i
    json.put_I(i)
    kind = json.stringOf("items[i].kind")
    id = json.stringOf("items[i].id")
    selfLink = json.stringOf("items[i].selfLink")
    projectNumber = json.stringOf("items[i].projectNumber")
    name = json.stringOf("items[i].name")
    timeCreated = json.stringOf("items[i].timeCreated")
    updated = json.stringOf("items[i].updated")
    metageneration = json.stringOf("items[i].metageneration")
    iamConfigurationBucketPolicyOnlyEnabled = json.BoolOf("items[i].iamConfiguration.bucketPolicyOnly.enabled")
    location = json.stringOf("items[i].location")
    storageClass = json.stringOf("items[i].storageClass")
    etag = json.stringOf("items[i].etag")
    i = i + 1
end