aws-sdk-for-zig/src/main.zig

89 lines
3.4 KiB
Zig

const std = @import("std");
const aws = @import("aws.zig");
const json = @import("json.zig");
pub fn log(
comptime level: std.log.Level,
comptime scope: @TypeOf(.EnumLiteral),
comptime format: []const u8,
args: anytype,
) void {
// Ignore awshttp messages
if (scope == .awshttp and @enumToInt(level) >= @enumToInt(std.log.Level.debug))
return;
const scope_prefix = "(" ++ @tagName(scope) ++ "): ";
const prefix = "[" ++ @tagName(level) ++ "] " ++ scope_prefix;
// Print the message to stderr, silently ignoring any errors
const held = std.debug.getStderrMutex().acquire();
defer held.release();
const stderr = std.io.getStdErr().writer();
nosuspend stderr.print(prefix ++ format ++ "\n", args) catch return;
}
pub fn main() anyerror!void {
// Uncomment if you want to log allocations
// const file = try std.fs.cwd().createFile("/tmp/allocations.log", .{ .truncate = true });
// defer file.close();
// var child_allocator = std.heap.c_allocator;
// const allocator = &std.heap.loggingAllocator(child_allocator, file.writer()).allocator;
// Flip to true to run a second time. This will help debug
// allocation/deallocation issues
const test_twice = false;
// Flip to true to run through the json parsing changes made to stdlib
const test_json = false;
if (test_json) try jsonFun();
const allocator = std.heap.c_allocator;
const options = aws.Options{
.region = "us-west-2",
};
std.log.info("Start", .{});
var client = aws.Aws.init(allocator);
defer client.deinit();
const resp = try client.call(aws.services.sts.get_caller_identity.Request{}, options);
// TODO: This is a bit wonky. Root cause is lack of declarations in
// comptime-generated types
defer resp.deinit();
if (test_twice) {
std.time.sleep(1000 * std.time.ns_per_ms);
std.log.info("second request", .{});
var client2 = aws.Aws.init(allocator);
defer client2.deinit();
const resp2 = try client2.call(aws.services.sts.get_caller_identity.Request{}, options); // catch here and try alloc?
defer resp2.deinit();
}
std.log.info("arn: {s}", .{resp.response.arn});
std.log.info("id: {s}", .{resp.response.user_id});
std.log.info("account: {s}", .{resp.response.account});
std.log.info("requestId: {s}", .{resp.response_metadata.request_id});
std.log.info("Departing main", .{});
}
pub fn jsonFun() !void {
// Standard behavior
const payload =
\\{"GetCallerIdentityResponse":{"GetCallerIdentityResult":{"Account":"0123456789","Arn":"arn:aws:iam::0123456789:user/test","UserId":"MYUSERID"},"ResponseMetadata":{"RequestId":"3b80a99b-7df8-4bcb-96ee-b2759878a5f2"}}}
;
const Ret3 = struct {
getCallerIdentityResponse: struct { getCallerIdentityResult: struct { account: []u8, arn: []u8, user_id: []u8 }, responseMetadata: struct { requestId: []u8 } },
};
var stream3 = json.TokenStream.init(payload);
const res3 = json.parse(Ret3, &stream3, .{
.allocator = std.heap.c_allocator,
.allow_camel_case_conversion = true, // new option
.allow_snake_case_conversion = true, // new option
.allow_unknown_fields = true, // new option
}) catch unreachable;
std.log.info("{}", .{res3});
std.log.info("{s}", .{res3.getCallerIdentityResponse.getCallerIdentityResult.user_id});
}