Zig

Google Cloud SQL - Start Database Instance

See more Google Cloud SQL Examples

Demonstrates how to start a Google Cloud SQL database instance. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // 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..
    const sb_token = try chilkat.StringBuilder.init();
    defer sb_token.deinit();
    sb_token.loadFile("qa_data/tokens/google_cloud_sql_access_token.txt", "utf-8") catch {};

    const http = try chilkat.Http.init();
    defer http.deinit();

    // 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.
    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.updateString("settings.activationPolicy", "ALWAYS") catch {};

    // Causes the "Authorization: Bearer "$(gcloud auth print-access-token)" header to be added.
    http.setAuthToken(try sb_token.getAsString(alloc));

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

    const sb_request_body = try chilkat.StringBuilder.init();
    defer sb_request_body.deinit();
    json.emitSb(sb_request_body) catch {};

    // 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".)
    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpSb("PATCH", "https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id", sb_request_body, "utf-8", "application/json", resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    const sb_response_body = try chilkat.StringBuilder.init();
    defer sb_response_body.deinit();
    resp.getBodySb(sb_response_body) catch {};
    const j_resp = try chilkat.JsonObject.init();
    defer j_resp.deinit();
    j_resp.loadSb(sb_response_body) catch {};
    j_resp.setEmitCompact(false);

    std.debug.print("Response Body:\n", .{});
    std.debug.print("{s}\n", .{try j_resp.emit(alloc)});

    const resp_status_code = resp.getStatusCode();
    std.debug.print("Response Status Code = {d}\n", .{resp_status_code});
    if (resp_status_code == 401) {
        std.debug.print("It may be that your access token expired.\n", .{});
        std.debug.print("Try refreshing the access token by re-fetching it.\n", .{});
    }

    if (resp_status_code >= 400) {
        std.debug.print("Response Header:\n", .{});
        std.debug.print("{s}\n", .{try resp.getHeader(alloc)});
        std.debug.print("Failed.\n", .{});
        return;
    }

    // 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

    _ = try j_resp.stringOf(alloc, "kind");
    _ = try j_resp.stringOf(alloc, "targetLink");
    _ = try j_resp.stringOf(alloc, "status");
    _ = try j_resp.stringOf(alloc, "user");
    _ = try j_resp.stringOf(alloc, "insertTime");
    _ = try j_resp.stringOf(alloc, "operationType");
    _ = try j_resp.stringOf(alloc, "name");
    _ = try j_resp.stringOf(alloc, "targetId");
    _ = try j_resp.stringOf(alloc, "selfLink");
    _ = try j_resp.stringOf(alloc, "targetProject");
}