Zig

S3 Find Bucket Region

See more Amazon S3 (new) Examples

Demonstrates how to find out the region of an S3 bucket. Zig

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

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

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const rest = try chilkat.Rest.init();
    defer rest.deinit();

    // Connect to the Amazon AWS REST server using the correct region (in this example, "us-west-2")
    const b_tls = true;
    const port = 443;
    const b_auto_reconnect = true;
    try rest.connect("s3.amazonaws.com", port, b_tls, b_auto_reconnect);

    // Provide AWS credentials for the REST call.
    const auth_aws = try chilkat.AuthAws.init();
    defer auth_aws.deinit();
    auth_aws.setAccessKey("AWS_ACCESS_KEY");
    auth_aws.setSecretKey("AWS_SECRET_KEY");
    auth_aws.setServiceName("s3");
    try rest.setAuthAws(auth_aws);

    // The bucket name we want to know about is set in the HOST header.
    // In this example, we want to find the region for the "chilkat.qa" bucket.
    rest.setHost("chilkat.qa.s3.amazonaws.com");

    // Send the GET request to query the bucket location.
    const str_result = rest.fullRequestNoBody(alloc, "GET", "/?location") catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    const response_status_code = rest.getResponseStatusCode();
    std.debug.print("Response status code = {d}\n", .{response_status_code});
    if (response_status_code != 200) {
        std.debug.print("{s}\n", .{try rest.getResponseHeader(alloc)});
        std.debug.print("{s}\n", .{str_result});
        std.debug.print("Failed.\n", .{});
        return;
    }

    std.debug.print("{s}\n", .{str_result});

    // The result contains XML like this:
    // <?xml version="1.0" encoding="UTF-8"?>
    // <LocationConstraint xmlns="http://s3.amazonaws.com/doc/2006-03-01/">us-west-2</LocationConstraint>

    // Get the "us-west-2" from the XML
    const xml = try chilkat.Xml.init();
    defer xml.deinit();
    try xml.loadXml(str_result);
    std.debug.print("region = {s}\n", .{try xml.getContent(alloc)});
}