(Go) Google Cloud SQL - Stop Database Instance

Demonstrates how to stop 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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    // 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.NewStringBuilder()
    sbToken.LoadFile("qa_data/tokens/google_cloud_sql_access_token.txt","utf-8")

    http := chilkat.NewHttp()
    var success bool

    // 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": "NEVER" 
    //   }
    // }' \
    // 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": "NEVER"
    //   }
    // }

    json := chilkat.NewJsonObject()
    json.UpdateString("settings.activationPolicy","NEVER")

    // Causes the "Authorization: Bearer "$(gcloud auth print-access-token)" header to be added.
    http.SetAuthToken(sbToken.GetAsString())

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

    sbRequestBody := chilkat.NewStringBuilder()
    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 := http.PTextSb("PATCH","https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id",sbRequestBody,"utf-8","application/json",false,false)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        sbToken.DisposeStringBuilder()
        http.DisposeHttp()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        return
    }

    sbResponseBody := chilkat.NewStringBuilder()
    resp.GetBodySb(sbResponseBody)
    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode == 401 {
        fmt.Println("It may be that your access token expired.")
        fmt.Println("Try refreshing the access token by re-fetching it.")
    }

    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        sbToken.DisposeStringBuilder()
        http.DisposeHttp()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // 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")

    sbToken.DisposeStringBuilder()
    http.DisposeHttp()
    json.DisposeJsonObject()
    sbRequestBody.DisposeStringBuilder()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()