(Delphi DLL) Google Cloud SQL - Get Instance Information

Demonstrates how to get information about your Cloud SQL instances, including instance summary information, usage data, operation logs, and database logs.

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

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
sbToken: HCkStringBuilder;
http: HCkHttp;
success: Boolean;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
v_type: PWideChar;
ipAddress: PWideChar;
kind: PWideChar;
state: PWideChar;
databaseVersion: PWideChar;
settingsTier: PWideChar;
settingsKind: PWideChar;
settingsPricingPlan: PWideChar;
settingsReplicationType: PWideChar;
settingsActivationPolicy: PWideChar;
settingsIpConfigurationIpv4Enabled: Boolean;
settingsLocationPreferenceZone: PWideChar;
settingsLocationPreferenceKind: PWideChar;
settingsDataDiskType: PWideChar;
settingsBackupConfigurationStartTime: PWideChar;
settingsBackupConfigurationKind: PWideChar;
settingsBackupConfigurationEnabled: Boolean;
settingsBackupConfigurationPointInTimeEnabled: Boolean;
settingsSettingsVersion: PWideChar;
settingsStorageAutoResizeLimit: PWideChar;
settingsStorageAutoResize: Boolean;
settingsDataDiskSizeGb: PWideChar;
etag: PWideChar;
serverCaCertKind: PWideChar;
serverCaCertCertSerialNumber: PWideChar;
serverCaCertCert: PWideChar;
serverCaCertCommonName: PWideChar;
serverCaCertSha1Fingerprint: PWideChar;
serverCaCertInstance: PWideChar;
serverCaCertCreateTime: PWideChar;
serverCaCertExpirationTime: PWideChar;
instanceType: PWideChar;
project: PWideChar;
serviceAccountEmailAddress: PWideChar;
backendType: PWideChar;
selfLink: PWideChar;
connectionName: PWideChar;
name: PWideChar;
region: PWideChar;
gceZone: PWideChar;
i: Integer;
count_i: Integer;

begin
// 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 := CkStringBuilder_Create();
CkStringBuilder_LoadFile(sbToken,'qa_data/tokens/google_cloud_sql_access_token.txt','utf-8');

http := CkHttp_Create();

// Implements the following CURL command:

// curl -X GET \
// -H "Authorization: Bearer access-token" \
// https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Causes the "Authorization: Bearer "$(gcloud auth print-access-token)" header to be added.
CkHttp_putAuthToken(http,CkStringBuilder__getAsString(sbToken));

// 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".)
sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id',sbResponseBody);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttp_getLastStatus(http);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode = 401) then
  begin
    Memo1.Lines.Add('It may be that your access token expired.');
    Memo1.Lines.Add('Try refreshing the access token by re-fetching it.');
  end;
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttp__lastHeader(http));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

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

// {
//   "kind": "sql#instance",
//   "state": "RUNNABLE",
//   "databaseVersion": "MYSQL_5_7",
//   "settings": {
//     "authorizedGaeApplications": [
//     ],
//     "tier": "db-f1-micro",
//     "kind": "sql#settings",
//     "pricingPlan": "PER_USE",
//     "replicationType": "SYNCHRONOUS",
//     "activationPolicy": "ALWAYS",
//     "ipConfiguration": {
//       "authorizedNetworks": [
//       ],
//       "ipv4Enabled": true
//     },
//     "locationPreference": {
//       "zone": "asia-east1-a",
//       "kind": "sql#locationPreference"
//     },
//     "dataDiskType": "PD_SSD",
//     "backupConfiguration": {
//       "startTime": "08:00",
//       "kind": "sql#backupConfiguration",
//       "enabled": true,
//       "pointInTimeEnabled": true
//     },
//     "settingsVersion": "13",
//     "storageAutoResizeLimit": "0",
//     "storageAutoResize": true,
//     "dataDiskSizeGb": "10"
//   },
//   "etag": "etag-id",
//   "ipAddresses": [
//     {
//       "type": "PRIMARY",
//       "ipAddress": "10.0.0.1"
//     }
//   ],
//   "serverCaCert": {
//     "kind": "sql#sslCert",
//     "certSerialNumber": "0",
//     "cert": "certificate-id",
//     "commonName": "C=US,O=Google\\, Inc,CN=Google Cloud SQL Server CA,dnQualifier=dn-qualifier-id",
//     "sha1Fingerprint": "sha-id",
//     "instance": "instance-id",
//     "createTime": "2019-06-28T22:46:35.052Z",
//     "expirationTime": "2029-06-25T22:47:35.052Z"
//   },
//   "instanceType": "CLOUD_SQL_INSTANCE",
//   "project": "project-id",
//   "serviceAccountEmailAddress": "service-acct-id@gcp-sa-cloud-sql.iam.gserviceaccount.com",
//   "backendType": "SECOND_GEN",
//   "selfLink": "https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id",
//   "connectionName": "project-id:region:instance-id",
//   "name": "instance-id",
//   "region": "asia-east1",
//   "gceZone": "asia-east1-a"
// }

// 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 := CkJsonObject__stringOf(jResp,'kind');
state := CkJsonObject__stringOf(jResp,'state');
databaseVersion := CkJsonObject__stringOf(jResp,'databaseVersion');
settingsTier := CkJsonObject__stringOf(jResp,'settings.tier');
settingsKind := CkJsonObject__stringOf(jResp,'settings.kind');
settingsPricingPlan := CkJsonObject__stringOf(jResp,'settings.pricingPlan');
settingsReplicationType := CkJsonObject__stringOf(jResp,'settings.replicationType');
settingsActivationPolicy := CkJsonObject__stringOf(jResp,'settings.activationPolicy');
settingsIpConfigurationIpv4Enabled := CkJsonObject_BoolOf(jResp,'settings.ipConfiguration.ipv4Enabled');
settingsLocationPreferenceZone := CkJsonObject__stringOf(jResp,'settings.locationPreference.zone');
settingsLocationPreferenceKind := CkJsonObject__stringOf(jResp,'settings.locationPreference.kind');
settingsDataDiskType := CkJsonObject__stringOf(jResp,'settings.dataDiskType');
settingsBackupConfigurationStartTime := CkJsonObject__stringOf(jResp,'settings.backupConfiguration.startTime');
settingsBackupConfigurationKind := CkJsonObject__stringOf(jResp,'settings.backupConfiguration.kind');
settingsBackupConfigurationEnabled := CkJsonObject_BoolOf(jResp,'settings.backupConfiguration.enabled');
settingsBackupConfigurationPointInTimeEnabled := CkJsonObject_BoolOf(jResp,'settings.backupConfiguration.pointInTimeEnabled');
settingsSettingsVersion := CkJsonObject__stringOf(jResp,'settings.settingsVersion');
settingsStorageAutoResizeLimit := CkJsonObject__stringOf(jResp,'settings.storageAutoResizeLimit');
settingsStorageAutoResize := CkJsonObject_BoolOf(jResp,'settings.storageAutoResize');
settingsDataDiskSizeGb := CkJsonObject__stringOf(jResp,'settings.dataDiskSizeGb');
etag := CkJsonObject__stringOf(jResp,'etag');
serverCaCertKind := CkJsonObject__stringOf(jResp,'serverCaCert.kind');
serverCaCertCertSerialNumber := CkJsonObject__stringOf(jResp,'serverCaCert.certSerialNumber');
serverCaCertCert := CkJsonObject__stringOf(jResp,'serverCaCert.cert');
serverCaCertCommonName := CkJsonObject__stringOf(jResp,'serverCaCert.commonName');
serverCaCertSha1Fingerprint := CkJsonObject__stringOf(jResp,'serverCaCert.sha1Fingerprint');
serverCaCertInstance := CkJsonObject__stringOf(jResp,'serverCaCert.instance');
serverCaCertCreateTime := CkJsonObject__stringOf(jResp,'serverCaCert.createTime');
serverCaCertExpirationTime := CkJsonObject__stringOf(jResp,'serverCaCert.expirationTime');
instanceType := CkJsonObject__stringOf(jResp,'instanceType');
project := CkJsonObject__stringOf(jResp,'project');
serviceAccountEmailAddress := CkJsonObject__stringOf(jResp,'serviceAccountEmailAddress');
backendType := CkJsonObject__stringOf(jResp,'backendType');
selfLink := CkJsonObject__stringOf(jResp,'selfLink');
connectionName := CkJsonObject__stringOf(jResp,'connectionName');
name := CkJsonObject__stringOf(jResp,'name');
region := CkJsonObject__stringOf(jResp,'region');
gceZone := CkJsonObject__stringOf(jResp,'gceZone');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'settings.authorizedGaeApplications');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'settings.ipConfiguration.authorizedNetworks');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'ipAddresses');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    v_type := CkJsonObject__stringOf(jResp,'ipAddresses[i].type');
    ipAddress := CkJsonObject__stringOf(jResp,'ipAddresses[i].ipAddress');
    i := i + 1;
  end;

CkStringBuilder_Dispose(sbToken);
CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;