(Tcl) 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

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load ./chilkat.dll

# 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..
set sbToken [new_CkStringBuilder]

CkStringBuilder_LoadFile $sbToken "qa_data/tokens/google_cloud_sql_access_token.txt" "utf-8"

set http [new_CkHttp]

# 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.
set json [new_CkJsonObject]

CkJsonObject_UpdateString $json "settings.activationPolicy" "ALWAYS"

# Causes the "Authorization: Bearer "$(gcloud auth print-access-token)" header to be added.
CkHttp_put_AuthToken $http [CkStringBuilder_getAsString $sbToken]

CkHttp_SetRequestHeader $http "Content-Type" "application/json; charset=utf-8"

set sbRequestBody [new_CkStringBuilder]

CkJsonObject_EmitSb $json $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
set resp [CkHttp_PTextSb $http "PATCH" "https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id" $sbRequestBody "utf-8" "application/json" 0 0]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkStringBuilder $sbToken
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    exit
}

set sbResponseBody [new_CkStringBuilder]

CkHttpResponse_GetBodySb $resp $sbResponseBody
set jResp [new_CkJsonObject]

CkJsonObject_LoadSb $jResp $sbResponseBody
CkJsonObject_put_EmitCompact $jResp 0

puts "Response Body:"
puts [CkJsonObject_emit $jResp]

set respStatusCode [CkHttpResponse_get_StatusCode $resp]
puts "Response Status Code = $respStatusCode"
if {$respStatusCode == 401} then {
    puts "It may be that your access token expired."
    puts "Try refreshing the access token by re-fetching it."
}

if {$respStatusCode >= 400} then {
    puts "Response Header:"
    puts [CkHttpResponse_header $resp]
    puts "Failed."
    delete_CkHttpResponse $resp

    delete_CkStringBuilder $sbToken
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkStringBuilder $sbResponseBody
    delete_CkJsonObject $jResp
    exit
}

delete_CkHttpResponse $resp

# 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

set kind [CkJsonObject_stringOf $jResp "kind"]
set targetLink [CkJsonObject_stringOf $jResp "targetLink"]
set status [CkJsonObject_stringOf $jResp "status"]
set user [CkJsonObject_stringOf $jResp "user"]
set insertTime [CkJsonObject_stringOf $jResp "insertTime"]
set operationType [CkJsonObject_stringOf $jResp "operationType"]
set name [CkJsonObject_stringOf $jResp "name"]
set targetId [CkJsonObject_stringOf $jResp "targetId"]
set selfLink [CkJsonObject_stringOf $jResp "selfLink"]
set targetProject [CkJsonObject_stringOf $jResp "targetProject"]

delete_CkStringBuilder $sbToken
delete_CkHttp $http
delete_CkJsonObject $json
delete_CkStringBuilder $sbRequestBody
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp