234 lines
6.8 KiB
Perl
Executable file
234 lines
6.8 KiB
Perl
Executable file
#!/usr/bin/perl
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# Update gitea based on version provided
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# Author: Tracey Clark
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# Created: 2019-03-04
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# You must have a mail transport agent installed to run this script
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# Note: Daily backups are also being run from cron
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# /home/gitea/gitea_backup.sh
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# Re-write to use this dir according to gitea docs
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# https://docs.gitea.io/en-us/install-from-binary/
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use strict;
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use warnings;
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#use LWP::Simple;
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use LWP::UserAgent;
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#use IO::Compress::Bzip2 qw(bzip2 $Bzip2Error) ;
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use Data::Dumper;
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use JSON;
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##########################################
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### The user must set these variables ###
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# SET email address
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my $email='tclark77@tlcnet.info';
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my $filetype='-linux-amd64.xz';
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# https://api.github.com/repos/go-gitea/gitea/releases/latest
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my $gitea_bin_dir = '/home/gitea/bin/';
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my $gitea_bin = $gitea_bin_dir . '/gitea';
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my $gitea_current_version_string = `$gitea_bin --version`;
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my $alphanum_ver = 0;
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unless ( defined $gitea_current_version_string ) {
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die "ERROR: Unable to get the version of the gitea binary: $!";
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}
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my $gitea_current_version;
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if ( $gitea_current_version_string =~ m/ion\ (\d+\.\d+\.\d*)\s+b/ ) {
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#if ( $gitea_current_version_string =~ m/ion\ (\d+\.\d+\.\d*)\s/ ) {
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$gitea_current_version = $1;
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printf("Current version of gitea that is installed is $1\n");
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}
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elsif ( $gitea_current_version_string =~ m/ion\ (\d+\d+\w*)\s/ ) {
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$gitea_current_version = $1;
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printf("Current version of gitea that is installed is $1\n");
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$alphanum_ver = 1;
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}
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my %binary_file = (
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input => $gitea_bin,
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version => $gitea_current_version,
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);
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unless ( defined $gitea_current_version ) {
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die "ERROR: Unable to get the current gitea version! Value is $gitea_current_version"
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}
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# Backup the current binary
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my $gitea_bin_backup = '/home/gitea/bin/gitea.' . $gitea_current_version . '.bz2';
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printf("Gitea bin backup will be $gitea_bin_backup\n");
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printf("!! Input is $gitea_bin\n and output is $gitea_bin_backup\n");
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=example
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# IO::File mode
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print($z $string);
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printf($z $format, $string);
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close($z);
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=cut
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# This method may not work. Check the module. Ken said doing this through system call was more reliable & performant
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my $input = $gitea_bin;
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my $temp_out = '/home/gitea/tempout.bz';
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my $bz = new IO::Compress::Bzip2 $temp_out
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or die "bzip2 failed: $Bzip2Error\n";
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#backup_bin( \%binary_file );
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backup_gitea_bin.pl( \%binary_file );
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my $baseURL = q{https://github.com/go-gitea/gitea/};
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my $latestURL = q{https://api.github.com/repos/go-gitea/gitea/releases/latest};
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# https://hubpages.com/technology/Use-Perl-to-access-REST-API
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# Spin up the browser object (via LWP::UserAgent)
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my $ua = LWP::UserAgent->new(
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cookie_jar => {}, # keep cookies in RAM but not persistent between sessions
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);
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my $resp = $ua->get($latestURL);
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my $latest_release_hash = decode_json($resp->content);
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# printf("!! Print the json response if we have one:\n");
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# printf Dumper $latest_release_hash;
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my $tag = $latest_release_hash->{tag_name}; # Works
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printf("The latest gitea version is $tag\n");
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substr($tag, 0, 1, '');
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print("!! Tag is now $tag\n");
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my $download_filename='gitea-' . $tag . $filetype;
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printf("Downloaded filename will be $download_filename\n");
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# gitea-1.7.6-linux-amd64.xz
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my $release_id = $latest_release_hash->{id}; # Works
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printf("The release id for the latest gitea version is $release_id\n");
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if ( $tag gt $gitea_current_version || $alphanum_ver == 1 ) {
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printf("Proceeding with update\n");
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my $download_url = get_download_url( $download_filename, $release_id );
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print("Downloading the compressed binary\n");
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print("Download URL we got from the sub is $download_url\n");
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`wget -P $gitea_bin_dir $download_url`;
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my $xz_file = $gitea_bin_dir . $download_filename;
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print("!!! xz file is $xz_file\n");
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=devel
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# Because doing this in perl would be a memory hog
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`xz -d --keep /home/gitea/bin/$download_filename`
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# Stop gitea service
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# rename unpacked binary to gitea or symlink??
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# chown gitea.gitea binary
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# chmod 754 gitea
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# Check if we can start gitea
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# If can start then
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# Remove old binary (backup done at beginning)
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# Rename new binary to gitea
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# Remove .xz file
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# Notify success notify(1)
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# If no start notify and end & notify fail notify(0)
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=cut
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}
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# If install_bin good then cleanup()
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#notification( $email );
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##### Subroutines #####
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sub check_deps {
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# Check to make sure dependencies installed on system - unit test??
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# bzip2
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}
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# sub backup_bin {
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# my ( %opts ) = %{shift()};
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# my $input = $opts{input};
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# my $version = $opts{version};
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# printf("Backing up the current binary\n");
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# printf("Input in backup_bin sub is $input\n and version is $version\n");
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# my $gitea_bin_backup = '/home/gitea/bin/gitea.' . $gitea_current_version . '.bz2';
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# printf("Gitea bin backup will be $gitea_bin_backup\n");
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# # Do this with a system call to make a compressed copy of the current binary
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# # bzip2 -k file.txt
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# # my $status = system("vi", "fred.txt");
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# # if (($status >>=8) != 0) {
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# # die "Failed to run vi";
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# # }
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# my $bzip_status = system("bzip2 -k", "$input");
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# if (($status >>=8) != 0) {
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# die "Failed to run bzip2";
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# }
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#
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# return;
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# }
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sub get_download_url {
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my ($dl_filename, $rel_id) = @_;
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my $dl_url;
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print("Download filename in the sub is $dl_filename\n");
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# Get the download_url from the array
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my $assetsURL = 'https://api.github.com/repos/go-gitea/gitea/releases/' . $release_id . '/assets';
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# printf("!!! Dump of assets URL");
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# printf("!!! $assetsURL\n");
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my $asset_resp = $ua->get($assetsURL);
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my $asset_resp_array_ref = decode_json($asset_resp->content);
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# printf("!! Print the json response for the assets:\n");
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# printf Dumper $asset_resp_array_ref;
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# Array of hashes
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foreach my $asset_ref (@{$asset_resp_array_ref}) {
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printf("!! Print the name\n");
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# printf Dumper $asset_ref;
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#print $asset_ref->{name} . "\n";
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if ( $asset_ref->{name} eq $dl_filename ) {
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print ("Yay we have a match :D and it is \n");
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print $asset_ref->{name} . "\n";
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$dl_url = $asset_ref->{browser_download_url};
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print("!! The download url is\n $dl_url \n");
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return $dl_url;
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}
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unless ( defined $dl_url ) {
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print("ONOES we have no download URL!");
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}
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}
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print("The download URL returning from sub is $dl_url\n");
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return;
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}
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sub install_bin{
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# Stop service
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# Copy the downloaded binary to gitea and chmod it 750
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# Change owner unless we run this as user gitea
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# Start service
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# verify systemctld status is good
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# return the status
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return;
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}
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sub cleanup {
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# remove downloaded binary and old backup set install_status=success ELSE remove "gitea" and restore from backup and set install_status=fail
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return;
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}
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sub notification {
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my $to = shift;
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return;
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}
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