(Objective-C) 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

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#import <CkoStringBuilder.h>
#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <NSString.h>

// 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..
CkoStringBuilder *sbToken = [[CkoStringBuilder alloc] init];
[sbToken LoadFile: @"qa_data/tokens/google_cloud_sql_access_token.txt" charset: @"utf-8"];

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// 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.
http.AuthToken = [sbToken GetAsString];

// 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".)
CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [http QuickGetSb: @"https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id" sbContent: sbResponseBody];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [http.LastStatus intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode == 401) {
    NSLog(@"%@",@"It may be that your access token expired.");
    NSLog(@"%@",@"Try refreshing the access token by re-fetching it.");
}

if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",http.LastHeader);
    NSLog(@"%@",@"Failed.");
    return;
}

// 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

NSString *v_type = 0;
NSString *ipAddress = 0;

NSString *kind = [jResp StringOf: @"kind"];
NSString *state = [jResp StringOf: @"state"];
NSString *databaseVersion = [jResp StringOf: @"databaseVersion"];
NSString *settingsTier = [jResp StringOf: @"settings.tier"];
NSString *settingsKind = [jResp StringOf: @"settings.kind"];
NSString *settingsPricingPlan = [jResp StringOf: @"settings.pricingPlan"];
NSString *settingsReplicationType = [jResp StringOf: @"settings.replicationType"];
NSString *settingsActivationPolicy = [jResp StringOf: @"settings.activationPolicy"];
BOOL settingsIpConfigurationIpv4Enabled = [jResp BoolOf: @"settings.ipConfiguration.ipv4Enabled"];
NSString *settingsLocationPreferenceZone = [jResp StringOf: @"settings.locationPreference.zone"];
NSString *settingsLocationPreferenceKind = [jResp StringOf: @"settings.locationPreference.kind"];
NSString *settingsDataDiskType = [jResp StringOf: @"settings.dataDiskType"];
NSString *settingsBackupConfigurationStartTime = [jResp StringOf: @"settings.backupConfiguration.startTime"];
NSString *settingsBackupConfigurationKind = [jResp StringOf: @"settings.backupConfiguration.kind"];
BOOL settingsBackupConfigurationEnabled = [jResp BoolOf: @"settings.backupConfiguration.enabled"];
BOOL settingsBackupConfigurationPointInTimeEnabled = [jResp BoolOf: @"settings.backupConfiguration.pointInTimeEnabled"];
NSString *settingsSettingsVersion = [jResp StringOf: @"settings.settingsVersion"];
NSString *settingsStorageAutoResizeLimit = [jResp StringOf: @"settings.storageAutoResizeLimit"];
BOOL settingsStorageAutoResize = [jResp BoolOf: @"settings.storageAutoResize"];
NSString *settingsDataDiskSizeGb = [jResp StringOf: @"settings.dataDiskSizeGb"];
NSString *etag = [jResp StringOf: @"etag"];
NSString *serverCaCertKind = [jResp StringOf: @"serverCaCert.kind"];
NSString *serverCaCertCertSerialNumber = [jResp StringOf: @"serverCaCert.certSerialNumber"];
NSString *serverCaCertCert = [jResp StringOf: @"serverCaCert.cert"];
NSString *serverCaCertCommonName = [jResp StringOf: @"serverCaCert.commonName"];
NSString *serverCaCertSha1Fingerprint = [jResp StringOf: @"serverCaCert.sha1Fingerprint"];
NSString *serverCaCertInstance = [jResp StringOf: @"serverCaCert.instance"];
NSString *serverCaCertCreateTime = [jResp StringOf: @"serverCaCert.createTime"];
NSString *serverCaCertExpirationTime = [jResp StringOf: @"serverCaCert.expirationTime"];
NSString *instanceType = [jResp StringOf: @"instanceType"];
NSString *project = [jResp StringOf: @"project"];
NSString *serviceAccountEmailAddress = [jResp StringOf: @"serviceAccountEmailAddress"];
NSString *backendType = [jResp StringOf: @"backendType"];
NSString *selfLink = [jResp StringOf: @"selfLink"];
NSString *connectionName = [jResp StringOf: @"connectionName"];
NSString *name = [jResp StringOf: @"name"];
NSString *region = [jResp StringOf: @"region"];
NSString *gceZone = [jResp StringOf: @"gceZone"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"settings.authorizedGaeApplications"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    i = i + 1;
}

i = 0;
count_i = [[jResp SizeOfArray: @"settings.ipConfiguration.authorizedNetworks"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    i = i + 1;
}

i = 0;
count_i = [[jResp SizeOfArray: @"ipAddresses"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    v_type = [jResp StringOf: @"ipAddresses[i].type"];
    ipAddress = [jResp StringOf: @"ipAddresses[i].ipAddress"];
    i = i + 1;
}