extract lambda parameters to seperate function
This commit is contained in:
parent
7b890d2458
commit
fa13a08c4d
GPG Key ID:
A7B62D657EF764F8
299
build.zig
299
build.zig
|
|
@ -8,147 +8,20 @@ pub fn build(b: *std.build.Builder) !void {
|
||||||
const target = b.standardTargetOptions(.{});
|
const target = b.standardTargetOptions(.{});
|
||||||
const optimize = b.standardOptimizeOption(.{});
|
const optimize = b.standardOptimizeOption(.{});
|
||||||
|
|
||||||
const exe = b.addExecutable(.{
|
var exe = b.addExecutable(.{
|
||||||
.name = "bootstrap",
|
.name = "bootstrap",
|
||||||
.root_source_file = .{ .path = "src/main.zig" },
|
.root_source_file = .{ .path = "src/main.zig" },
|
||||||
.target = target,
|
.target = target,
|
||||||
.optimize = optimize,
|
.optimize = optimize,
|
||||||
});
|
});
|
||||||
|
|
||||||
// exe.setBuildMode(.ReleaseSafe); // TODO: ReleaseSmall is stripped. Maybe best to just leave this to user
|
try lambdaBuildOptions(b, exe);
|
||||||
const debug = b.option(bool, "debug", "Debug mode (do not strip executable)") orelse false;
|
|
||||||
exe.strip = !debug;
|
|
||||||
b.installArtifact(exe);
|
b.installArtifact(exe);
|
||||||
|
|
||||||
// TODO: We can cross-compile of course, but stripping and zip commands
|
// TODO: We can cross-compile of course, but stripping and zip commands
|
||||||
// may vary
|
// may vary
|
||||||
if (builtin.os.tag == .linux) {
|
// TODO: Add test
|
||||||
// Package step
|
|
||||||
const package_step = b.step("package", "Package the function");
|
|
||||||
package_step.dependOn(b.getInstallStep());
|
|
||||||
// const function_zip = b.getInstallPath(exe.installed_path.?, "function.zip");
|
|
||||||
const function_zip = b.getInstallPath(.bin, "function.zip");
|
|
||||||
// TODO: https://github.com/hdorio/hwzip.zig/blob/master/src/hwzip.zig
|
|
||||||
const zip = try std.fmt.allocPrint(b.allocator, "zip -qj9 {s} {s}", .{ function_zip, b.getInstallPath(.bin, exe.out_filename) });
|
|
||||||
defer b.allocator.free(zip);
|
|
||||||
package_step.dependOn(&b.addSystemCommand(&.{ "/bin/sh", "-c", zip }).step);
|
|
||||||
|
|
||||||
// Deployment
|
|
||||||
const deploy_step = b.step("deploy", "Deploy the function");
|
|
||||||
var deal_with_iam = true;
|
|
||||||
if (b.args) |args| {
|
|
||||||
for (args) |arg| {
|
|
||||||
if (std.mem.eql(u8, "--role", arg)) {
|
|
||||||
deal_with_iam = false;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
var iam_role: []u8 = &.{};
|
|
||||||
const iam_step = b.step("iam", "Create/Get IAM role for function");
|
|
||||||
deploy_step.dependOn(iam_step); // iam_step will either be a noop or all the stuff below
|
|
||||||
if (deal_with_iam) {
|
|
||||||
// if someone adds '-- --role arn...' to the command line, we don't
|
|
||||||
// need to do anything with the iam role. Otherwise, we'll create/
|
|
||||||
// get the IAM role and stick the name in a file in our destination
|
|
||||||
// directory to be used later
|
|
||||||
const iam_role_name_file = b.getInstallPath(.bin, "iam_role_name");
|
|
||||||
iam_role = try std.fmt.allocPrint(b.allocator, "--role $(cat {s})", .{iam_role_name_file});
|
|
||||||
// defer b.allocator.free(iam_role);
|
|
||||||
if (!fileExists(iam_role_name_file)) {
|
|
||||||
// Role get/creation command
|
|
||||||
const ifstatement_fmt =
|
|
||||||
\\ if aws iam get-role --role-name lambda_basic_execution 2>&1 |grep -q NoSuchEntity; then aws iam create-role --output text --query Role.Arn --role-name lambda_basic_execution --assume-role-policy-document '{
|
|
||||||
\\ "Version": "2012-10-17",
|
|
||||||
\\ "Statement": [
|
|
||||||
\\ {
|
|
||||||
\\ "Sid": "",
|
|
||||||
\\ "Effect": "Allow",
|
|
||||||
\\ "Principal": {
|
|
||||||
\\ "Service": "lambda.amazonaws.com"
|
|
||||||
\\ },
|
|
||||||
\\ "Action": "sts:AssumeRole"
|
|
||||||
\\ }
|
|
||||||
\\ ]}' > /dev/null; fi && \
|
|
||||||
\\ aws iam attach-role-policy --policy-arn arn:aws:iam::aws:policy/AWSLambdaExecute --role-name lambda_basic_execution && \
|
|
||||||
\\ aws iam get-role --role-name lambda_basic_execution --query Role.Arn --output text >
|
|
||||||
;
|
|
||||||
|
|
||||||
const ifstatement = try std.mem.concat(b.allocator, u8, &[_][]const u8{ ifstatement_fmt, iam_role_name_file });
|
|
||||||
defer b.allocator.free(ifstatement);
|
|
||||||
iam_step.dependOn(&b.addSystemCommand(&.{ "/bin/sh", "-c", ifstatement }).step);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
const function_name = b.option([]const u8, "function-name", "Function name for Lambda [zig-fn]") orelse "zig-fn";
|
|
||||||
const function_name_file = b.getInstallPath(.bin, function_name);
|
|
||||||
const ifstatement = "if [ ! -f {s} ] || [ {s} -nt {s} ]; then if aws lambda get-function --function-name {s} 2>&1 |grep -q ResourceNotFoundException; then echo not found > /dev/null; {s}; else echo found > /dev/null; {s}; fi; fi";
|
|
||||||
// The architectures option was introduced in 2.2.43 released 2021-10-01
|
|
||||||
// We want to use arm64 here because it is both faster and cheaper for most
|
|
||||||
// Amazon Linux 2 is the only arm64 supported option
|
|
||||||
const not_found = "aws lambda create-function --architectures arm64 --runtime provided.al2 --function-name {s} --zip-file fileb://{s} --handler not_applicable {s} && touch {s}";
|
|
||||||
const not_found_fmt = try std.fmt.allocPrint(b.allocator, not_found, .{ function_name, function_zip, iam_role, function_name_file });
|
|
||||||
defer b.allocator.free(not_found_fmt);
|
|
||||||
const found = "aws lambda update-function-code --function-name {s} --zip-file fileb://{s} && touch {s}";
|
|
||||||
const found_fmt = try std.fmt.allocPrint(b.allocator, found, .{ function_name, function_zip, function_name_file });
|
|
||||||
defer b.allocator.free(found_fmt);
|
|
||||||
var found_final: []const u8 = undefined;
|
|
||||||
var not_found_final: []const u8 = undefined;
|
|
||||||
if (b.args) |args| {
|
|
||||||
found_final = try addArgs(b.allocator, found_fmt, args);
|
|
||||||
not_found_final = try addArgs(b.allocator, not_found_fmt, args);
|
|
||||||
} else {
|
|
||||||
found_final = found_fmt;
|
|
||||||
not_found_final = not_found_fmt;
|
|
||||||
}
|
|
||||||
const cmd = try std.fmt.allocPrint(b.allocator, ifstatement, .{
|
|
||||||
function_name_file,
|
|
||||||
std.fs.path.dirname(exe.root_src.?.path).?,
|
|
||||||
function_name_file,
|
|
||||||
function_name,
|
|
||||||
not_found_fmt,
|
|
||||||
found_fmt,
|
|
||||||
});
|
|
||||||
|
|
||||||
defer b.allocator.free(cmd);
|
|
||||||
|
|
||||||
// std.debug.print("{s}\n", .{cmd});
|
|
||||||
deploy_step.dependOn(package_step);
|
|
||||||
deploy_step.dependOn(&b.addSystemCommand(&.{ "/bin/sh", "-c", cmd }).step);
|
|
||||||
|
|
||||||
// TODO: Looks like IquanaTLS isn't playing nicely with payloads this small
|
|
||||||
// const payload = b.option([]const u8, "payload", "Lambda payload [{\"foo\":\"bar\"}]") orelse
|
|
||||||
// \\ {"foo": "bar"}"
|
|
||||||
// ;
|
|
||||||
const payload = b.option([]const u8, "payload", "Lambda payload [{\"foo\":\"bar\", \"baz\": \"qux\"}]") orelse
|
|
||||||
\\ {"foo": "bar", "baz": "qux"}"
|
|
||||||
;
|
|
||||||
|
|
||||||
const run_script =
|
|
||||||
\\ f=$(mktemp) && \
|
|
||||||
\\ logs=$(aws lambda invoke \
|
|
||||||
\\ --cli-binary-format raw-in-base64-out \
|
|
||||||
\\ --invocation-type RequestResponse \
|
|
||||||
\\ --function-name {s} \
|
|
||||||
\\ --payload '{s}' \
|
|
||||||
\\ --log-type Tail \
|
|
||||||
\\ --query LogResult \
|
|
||||||
\\ --output text "$f" |base64 -d) && \
|
|
||||||
\\ cat "$f" && rm "$f" && \
|
|
||||||
\\ echo && echo && echo "$logs"
|
|
||||||
;
|
|
||||||
const run_script_fmt = try std.fmt.allocPrint(b.allocator, run_script, .{ function_name, payload });
|
|
||||||
defer b.allocator.free(run_script_fmt);
|
|
||||||
const run_cmd = b.addSystemCommand(&.{ "/bin/sh", "-c", run_script_fmt });
|
|
||||||
run_cmd.step.dependOn(deploy_step);
|
|
||||||
if (b.args) |args| {
|
|
||||||
run_cmd.addArgs(args);
|
|
||||||
}
|
|
||||||
|
|
||||||
const run_step = b.step("run", "Run the app");
|
|
||||||
run_step.dependOn(&run_cmd.step);
|
|
||||||
|
|
||||||
// TODO: Add test
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
fn fileExists(file_name: []const u8) bool {
|
fn fileExists(file_name: []const u8) bool {
|
||||||
const file = std.fs.openFileAbsolute(file_name, .{}) catch return false;
|
const file = std.fs.openFileAbsolute(file_name, .{}) catch return false;
|
||||||
|
|
@ -162,3 +35,167 @@ fn addArgs(allocator: std.mem.Allocator, original: []const u8, args: [][]const u
|
||||||
}
|
}
|
||||||
return rc;
|
return rc;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// lambdaBuildOptions will add three build options to the build (if compiling
|
||||||
|
/// the code on a Linux host):
|
||||||
|
///
|
||||||
|
/// * package: Packages the function for deployment to Lambda
|
||||||
|
/// (dependencies are the zip executable and a shell)
|
||||||
|
/// * iam: Gets an IAM role for the Lambda function, and creates it if it does not exist
|
||||||
|
/// (dependencies are the AWS CLI, grep and a shell)
|
||||||
|
/// * deploy: Deploys the lambda function to a live AWS environment
|
||||||
|
/// (dependencies are the AWS CLI, and a shell)
|
||||||
|
/// * remoterun: Runs the lambda function in a live AWS environment
|
||||||
|
/// (dependencies are the AWS CLI, and a shell)
|
||||||
|
///
|
||||||
|
/// remoterun depends on deploy
|
||||||
|
/// deploy depends on iam and package
|
||||||
|
///
|
||||||
|
/// iam and package do not have any dependencies
|
||||||
|
///
|
||||||
|
/// At the moment, there I do not see a way utilize the zig package manager to
|
||||||
|
/// add modules for build.zig itself. There is some thinking in this area:
|
||||||
|
/// https://github.com/ziglang/zig/issues/8070
|
||||||
|
///
|
||||||
|
/// But for now I think this is a copy/paste job
|
||||||
|
/// TODO: Move this code into another file (temporary)
|
||||||
|
/// TODO: Determine a way to use packages within build.zig (permanent)
|
||||||
|
pub fn lambdaBuildOptions(b: *std.build.Builder, exe: *std.Build.Step.Compile) !void {
|
||||||
|
// The rest of this function is currently reliant on the use of Linux
|
||||||
|
// system being used to build the lambda function
|
||||||
|
//
|
||||||
|
// It is likely that much of this will work on other Unix-like OSs, but
|
||||||
|
// we will work this out later
|
||||||
|
//
|
||||||
|
// TODO: support other host OSs
|
||||||
|
if (builtin.os.tag != .linux) return;
|
||||||
|
|
||||||
|
// Package step
|
||||||
|
const package_step = b.step("package", "Package the function");
|
||||||
|
package_step.dependOn(b.getInstallStep());
|
||||||
|
// const function_zip = b.getInstallPath(exe.installed_path.?, "function.zip");
|
||||||
|
const function_zip = b.getInstallPath(.bin, "function.zip");
|
||||||
|
|
||||||
|
// TODO: allow use of user-specified exe names
|
||||||
|
// TODO: Avoid use of system-installed zip, maybe using something like
|
||||||
|
// https://github.com/hdorio/hwzip.zig/blob/master/src/hwzip.zig
|
||||||
|
const zip = try std.fmt.allocPrint(b.allocator, "zip -qj9 {s} {s}", .{ function_zip, b.getInstallPath(.bin, exe.out_filename) });
|
||||||
|
defer b.allocator.free(zip);
|
||||||
|
package_step.dependOn(&b.addSystemCommand(&.{ "/bin/sh", "-c", zip }).step);
|
||||||
|
|
||||||
|
// Deployment
|
||||||
|
const deploy_step = b.step("deploy", "Deploy the function");
|
||||||
|
var deal_with_iam = true;
|
||||||
|
if (b.args) |args| {
|
||||||
|
for (args) |arg| {
|
||||||
|
if (std.mem.eql(u8, "--role", arg)) {
|
||||||
|
deal_with_iam = false;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO: Allow custom lambda role names
|
||||||
|
var iam_role: []u8 = &.{};
|
||||||
|
const iam_step = b.step("iam", "Create/Get IAM role for function");
|
||||||
|
deploy_step.dependOn(iam_step); // iam_step will either be a noop or all the stuff below
|
||||||
|
if (deal_with_iam) {
|
||||||
|
// if someone adds '-- --role arn...' to the command line, we don't
|
||||||
|
// need to do anything with the iam role. Otherwise, we'll create/
|
||||||
|
// get the IAM role and stick the name in a file in our destination
|
||||||
|
// directory to be used later
|
||||||
|
const iam_role_name_file = b.getInstallPath(.bin, "iam_role_name");
|
||||||
|
iam_role = try std.fmt.allocPrint(b.allocator, "--role $(cat {s})", .{iam_role_name_file});
|
||||||
|
// defer b.allocator.free(iam_role);
|
||||||
|
if (!fileExists(iam_role_name_file)) {
|
||||||
|
// Role get/creation command
|
||||||
|
const ifstatement_fmt =
|
||||||
|
\\ if aws iam get-role --role-name lambda_basic_execution 2>&1 |grep -q NoSuchEntity; then aws iam create-role --output text --query Role.Arn --role-name lambda_basic_execution --assume-role-policy-document '{
|
||||||
|
\\ "Version": "2012-10-17",
|
||||||
|
\\ "Statement": [
|
||||||
|
\\ {
|
||||||
|
\\ "Sid": "",
|
||||||
|
\\ "Effect": "Allow",
|
||||||
|
\\ "Principal": {
|
||||||
|
\\ "Service": "lambda.amazonaws.com"
|
||||||
|
\\ },
|
||||||
|
\\ "Action": "sts:AssumeRole"
|
||||||
|
\\ }
|
||||||
|
\\ ]}' > /dev/null; fi && \
|
||||||
|
\\ aws iam attach-role-policy --policy-arn arn:aws:iam::aws:policy/AWSLambdaExecute --role-name lambda_basic_execution && \
|
||||||
|
\\ aws iam get-role --role-name lambda_basic_execution --query Role.Arn --output text >
|
||||||
|
;
|
||||||
|
|
||||||
|
const ifstatement = try std.mem.concat(b.allocator, u8, &[_][]const u8{ ifstatement_fmt, iam_role_name_file });
|
||||||
|
defer b.allocator.free(ifstatement);
|
||||||
|
iam_step.dependOn(&b.addSystemCommand(&.{ "/bin/sh", "-c", ifstatement }).step);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
const function_name = b.option([]const u8, "function-name", "Function name for Lambda [zig-fn]") orelse "zig-fn";
|
||||||
|
const function_name_file = b.getInstallPath(.bin, function_name);
|
||||||
|
const ifstatement = "if [ ! -f {s} ] || [ {s} -nt {s} ]; then if aws lambda get-function --function-name {s} 2>&1 |grep -q ResourceNotFoundException; then echo not found > /dev/null; {s}; else echo found > /dev/null; {s}; fi; fi";
|
||||||
|
// The architectures option was introduced in 2.2.43 released 2021-10-01
|
||||||
|
// We want to use arm64 here because it is both faster and cheaper for most
|
||||||
|
// Amazon Linux 2 is the only arm64 supported option
|
||||||
|
const not_found = "aws lambda create-function --architectures arm64 --runtime provided.al2 --function-name {s} --zip-file fileb://{s} --handler not_applicable {s} && touch {s}";
|
||||||
|
const not_found_fmt = try std.fmt.allocPrint(b.allocator, not_found, .{ function_name, function_zip, iam_role, function_name_file });
|
||||||
|
defer b.allocator.free(not_found_fmt);
|
||||||
|
const found = "aws lambda update-function-code --function-name {s} --zip-file fileb://{s} && touch {s}";
|
||||||
|
const found_fmt = try std.fmt.allocPrint(b.allocator, found, .{ function_name, function_zip, function_name_file });
|
||||||
|
defer b.allocator.free(found_fmt);
|
||||||
|
var found_final: []const u8 = undefined;
|
||||||
|
var not_found_final: []const u8 = undefined;
|
||||||
|
if (b.args) |args| {
|
||||||
|
found_final = try addArgs(b.allocator, found_fmt, args);
|
||||||
|
not_found_final = try addArgs(b.allocator, not_found_fmt, args);
|
||||||
|
} else {
|
||||||
|
found_final = found_fmt;
|
||||||
|
not_found_final = not_found_fmt;
|
||||||
|
}
|
||||||
|
const cmd = try std.fmt.allocPrint(b.allocator, ifstatement, .{
|
||||||
|
function_name_file,
|
||||||
|
std.fs.path.dirname(exe.root_src.?.path).?,
|
||||||
|
function_name_file,
|
||||||
|
function_name,
|
||||||
|
not_found_fmt,
|
||||||
|
found_fmt,
|
||||||
|
});
|
||||||
|
|
||||||
|
defer b.allocator.free(cmd);
|
||||||
|
|
||||||
|
// std.debug.print("{s}\n", .{cmd});
|
||||||
|
deploy_step.dependOn(package_step);
|
||||||
|
deploy_step.dependOn(&b.addSystemCommand(&.{ "/bin/sh", "-c", cmd }).step);
|
||||||
|
|
||||||
|
// TODO: Looks like IquanaTLS isn't playing nicely with payloads this small
|
||||||
|
// const payload = b.option([]const u8, "payload", "Lambda payload [{\"foo\":\"bar\"}]") orelse
|
||||||
|
// \\ {"foo": "bar"}"
|
||||||
|
// ;
|
||||||
|
const payload = b.option([]const u8, "payload", "Lambda payload [{\"foo\":\"bar\", \"baz\": \"qux\"}]") orelse
|
||||||
|
\\ {"foo": "bar", "baz": "qux"}"
|
||||||
|
;
|
||||||
|
|
||||||
|
const run_script =
|
||||||
|
\\ f=$(mktemp) && \
|
||||||
|
\\ logs=$(aws lambda invoke \
|
||||||
|
\\ --cli-binary-format raw-in-base64-out \
|
||||||
|
\\ --invocation-type RequestResponse \
|
||||||
|
\\ --function-name {s} \
|
||||||
|
\\ --payload '{s}' \
|
||||||
|
\\ --log-type Tail \
|
||||||
|
\\ --query LogResult \
|
||||||
|
\\ --output text "$f" |base64 -d) && \
|
||||||
|
\\ cat "$f" && rm "$f" && \
|
||||||
|
\\ echo && echo && echo "$logs"
|
||||||
|
;
|
||||||
|
const run_script_fmt = try std.fmt.allocPrint(b.allocator, run_script, .{ function_name, payload });
|
||||||
|
defer b.allocator.free(run_script_fmt);
|
||||||
|
const run_cmd = b.addSystemCommand(&.{ "/bin/sh", "-c", run_script_fmt });
|
||||||
|
run_cmd.step.dependOn(deploy_step);
|
||||||
|
if (b.args) |args| {
|
||||||
|
run_cmd.addArgs(args);
|
||||||
|
}
|
||||||
|
|
||||||
|
const run_step = b.step("remoterun", "Run the app in AWS lambda");
|
||||||
|
run_step.dependOn(&run_cmd.step);
|
||||||
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue
Block a user