(Ruby) Google Cloud SQL - Start Database Instance

Demonstrates how to start a Google Cloud SQL database instance.

For more information, see https://cloud.google.com/sql/docs/mysql/start-stop-restart-instance

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

# In this example, Get Google Cloud SQL OAuth2 Access Token, 
# the service account access token was saved to a text file.  This example fetches the access token from the file..
sbToken = Chilkat::CkStringBuilder.new()
sbToken.LoadFile("qa_data/tokens/google_cloud_sql_access_token.txt","utf-8")

http = Chilkat::CkHttp.new()

# Implements the following CURL command:

# curl -X PATCH \
# -H "Authorization: Bearer "$(gcloud auth print-access-token) \
# -H "Content-Type: application/json; charset=utf-8" \
# -d '{
#   "settings": {
#     "activationPolicy": "ALWAYS" 
#   }
# }' \
# https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id

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

# The following JSON is sent in the request body.

# {
#   "settings": {
#     "activationPolicy": "ALWAYS"
#   }
# }

# Use "ALWAYS" to start an instance.  Use "NEVER" to stop an instance.
json = Chilkat::CkJsonObject.new()
json.UpdateString("settings.activationPolicy","ALWAYS")

# Causes the "Authorization: Bearer "$(gcloud auth print-access-token)" header to be added.
http.put_AuthToken(sbToken.getAsString())

http.SetRequestHeader("Content-Type","application/json; charset=utf-8")

sbRequestBody = Chilkat::CkStringBuilder.new()
json.EmitSb(sbRequestBody)

# Replace "project-id" with your actual Google project ID.
# Replace "instance-id" with your database instance ID, which is the name of your database.  (For example, when I created my test database I named it "chilkat", and therefore my instance-id is "chilkat".)
# resp is a CkHttpResponse
resp = http.PTextSb("PATCH","https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id",sbRequestBody,"utf-8","application/json",false,false)
if (http.get_LastMethodSuccess() == false)
    print http.lastErrorText() + "\n";
    exit
end

sbResponseBody = Chilkat::CkStringBuilder.new()
resp.GetBodySb(sbResponseBody)
jResp = Chilkat::CkJsonObject.new()
jResp.LoadSb(sbResponseBody)
jResp.put_EmitCompact(false)

print "Response Body:" + "\n";
print jResp.emit() + "\n";

respStatusCode = resp.get_StatusCode()
print "Response Status Code = " + respStatusCode.to_s() + "\n";
if (respStatusCode == 401)
    print "It may be that your access token expired." + "\n";
    print "Try refreshing the access token by re-fetching it." + "\n";
end

if (respStatusCode >= 400)
    print "Response Header:" + "\n";
    print resp.header() + "\n";
    print "Failed." + "\n";

    exit
end

# Sample JSON response:
# (Sample code for parsing the JSON response is shown below)

# {
#   "kind": "sql#operation",
#   "targetLink": "https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id",
#   "status": "PENDING",
#   "user": "user@example.com",
#   "insertTime": "2020-01-20T21:30:35.667Z",
#   "operationType": "UPDATE",
#   "name": "operation-id",
#   "targetId": "instance-id",
#   "selfLink": "https://www.googleapis.com/sql/v1beta4/projects/project-id/operations/operation-id",
#   "targetProject": "project-id"
# }

# Sample code for parsing the JSON response...
# Use the following online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

kind = jResp.stringOf("kind")
targetLink = jResp.stringOf("targetLink")
status = jResp.stringOf("status")
user = jResp.stringOf("user")
insertTime = jResp.stringOf("insertTime")
operationType = jResp.stringOf("operationType")
name = jResp.stringOf("name")
targetId = jResp.stringOf("targetId")
selfLink = jResp.stringOf("selfLink")
targetProject = jResp.stringOf("targetProject")