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author/update-aws-lambda-al2.pl  view on Meta::CPAN

#!/usr/bin/env perl

use v5.36;
use FindBin;
use Parallel::ForkManager;
use Capture::Tiny ('capture');

my $archs = ['x86_64', 'arm64'];
my $regions = +{ map {
    my $arch = $_;
    open my $fh, '<', "$FindBin::Bin/regions-$arch.txt" or die "$!";
    my @regions = sort { $a cmp $b } map { chomp; $_; } <$fh>;
    close($fh);
    ($arch => \@regions);
} @$archs };

my $versions_al2 = [
    "5.42",
    "5.40",
    "5.38",
    "5.36",
    "5.34",
    "5.32",
];
$versions_al2 = [sort {version->parse("v$b") <=> version->parse("v$a")} @$versions_al2];

# get the list of layers on Amazon Linux 2
my $layers_al2_x86_64 = {};
my $pm_al2_x86_64 = Parallel::ForkManager->new(10);
$pm_al2_x86_64->run_on_finish(sub {
    my ($pid, $exit_code, $ident, $exit_signal, $core_dump, $data) = @_;
    return unless $data;
    my ($version, $region, $arn) = @$data;
    return unless $version && $region && $arn;

    $layers_al2_x86_64->{$version} //= {};
    $layers_al2_x86_64->{$version}{$region} = $arn;
});

for my $version (@$versions_al2) {
    for my $region (@{$regions->{x86_64}}) {
        say STDERR "loading $version in $region...";
        $pm_al2_x86_64->start("$version/$region") and next;

        my $runtime_stack = "lambda-$version-runtime-al2" =~ s/[._]/-/gr;
        my $paws_stack = "lambda-$version-paws-al2" =~ s/[._]/-/gr;
        my ($stdout, $stderr, $exit);

        ($stdout, $stderr, $exit) = capture {
            system("aws --region $region cloudformation describe-stacks --output json --stack-name $runtime_stack | jq -r .Stacks[0].Outputs[0].OutputValue");
        };
        if ($exit != 0) {
            if ($stderr =~ /ValidationError/) {
                # the stack doesn't exist; skip it.
                $pm_al2_x86_64->finish;
                next;
            }
            die "failed to execute aws cli";
        }
        my $runtime_arn = $stdout;

        ($stdout, $stderr, $exit) = capture {
            system("aws --region $region cloudformation describe-stacks --output json --stack-name $paws_stack | jq -r .Stacks[0].Outputs[0].OutputValue");
        };
        if ($exit != 0) {
            if ($stderr =~ /ValidationError/) {
                # the stack doesn't exist; skip it.
                $pm_al2_x86_64->finish;
                next;
            }
            die "failed to execute aws cli";
        }