+my $print_bash_completion = sub {
+ my ($cmddef, $simple_cmd, $bash_command, $cur, $prev) = @_;
+
+ my $debug = 0;
+
+ return if !(defined($cur) && defined($prev) && defined($bash_command));
+ return if !defined($ENV{COMP_LINE});
+ return if !defined($ENV{COMP_POINT});
+
+ my $cmdline = substr($ENV{COMP_LINE}, 0, $ENV{COMP_POINT});
+ print STDERR "\nCMDLINE: $ENV{COMP_LINE}\n" if $debug;
+
+ my @args = PVE::Tools::split_args($cmdline);
+ my $pos = scalar(@args) - 2;
+ $pos += 1 if $cmdline =~ m/\s+$/;
+
+ print STDERR "CMDLINE:$pos:$cmdline\n" if $debug;
+
+ return if $pos < 0;
+
+ my $print_result = sub {
+ foreach my $p (@_) {
+ print "$p\n" if $p =~ m/^$cur/;
+ }
+ };
+
+ my $cmd;
+ if ($simple_cmd) {
+ $cmd = $simple_cmd;
+ } else {
+ if ($pos == 0) {
+ &$print_result(keys %$cmddef);
+ return;
+ }
+ $cmd = $args[1];
+ }
+
+ my $def = $cmddef->{$cmd};
+ return if !$def;
+
+ print STDERR "CMDLINE1:$pos:$cmdline\n" if $debug;
+
+ my $skip_param = {};
+
+ my ($class, $name, $arg_param, $uri_param) = @$def;
+ $arg_param //= [];
+ $uri_param //= {};
+
+ map { $skip_param->{$_} = 1; } @$arg_param;
+ map { $skip_param->{$_} = 1; } keys %$uri_param;
+
+ my $fpcount = scalar(@$arg_param);
+
+ my $info = $class->map_method_by_name($name);
+
+ my $schema = $info->{parameters};
+ my $prop = $schema->{properties};
+
+ my $print_parameter_completion = sub {
+ my ($pname) = @_;
+ my $d = $prop->{$pname};
+ if ($d->{completion}) {
+ my $vt = ref($d->{completion});
+ if ($vt eq 'CODE') {
+ my $res = $d->{completion}->($cmd, $pname, $cur);
+ &$print_result(@$res);
+ }
+ } elsif ($d->{type} eq 'boolean') {
+ &$print_result('0', '1');
+ } elsif ($d->{enum}) {
+ &$print_result(@{$d->{enum}});
+ }
+ };
+
+ # positional arguments
+ $pos += 1 if $simple_cmd;
+ if ($fpcount && $pos <= $fpcount) {
+ my $pname = $arg_param->[$pos -1];
+ &$print_parameter_completion($pname);
+ return;
+ }
+
+ my @option_list = ();
+ foreach my $key (keys %$prop) {
+ next if $skip_param->{$key};
+ push @option_list, "--$key";
+ }
+
+ if ($cur =~ m/^-/) {
+ &$print_result(@option_list);
+ return;
+ }
+
+ if ($prev =~ m/^--?(.+)$/ && $prop->{$1}) {
+ my $pname = $1;
+ &$print_parameter_completion($pname);
+ return;
+ }
+
+ &$print_result(@option_list);
+};
+
+sub verify_api {
+ my ($class) = @_;
+
+ # simply verify all registered methods
+ PVE::RESTHandler::validate_method_schemas();
+}
+
+my $get_exe_name = sub {
+ my ($class) = @_;
+
+ my $name = $class;
+ $name =~ s/^.*:://;
+ $name =~ s/_/-/g;
+
+ return $name;
+};
+
+sub generate_bash_completions {
+ my ($class) = @_;
+
+ # generate bash completion config
+
+ $exename = &$get_exe_name($class);
+
+ print <<__EOD__;
+# $exename bash completion
+
+# see http://tiswww.case.edu/php/chet/bash/FAQ
+# and __ltrim_colon_completions() in /usr/share/bash-completion/bash_completion
+# this modifies global var, but I found no better way
+COMP_WORDBREAKS=\${COMP_WORDBREAKS//:}
+
+complete -C '$exename bashcomplete' $exename
+__EOD__
+}
+
+sub find_cli_class_source {
+ my ($name) = @_;
+
+ my $filename;
+
+ $name =~ s/-/_/g;
+
+ my $cpath = "PVE/CLI/${name}.pm";
+ my $spath = "PVE/Service/${name}.pm";
+ foreach my $p (@INC) {
+ foreach my $s (($cpath, $spath)) {
+ my $testfn = "$p/$s";
+ if (-f $testfn) {
+ $filename = $testfn;
+ last;
+ }
+ }
+ last if defined($filename);
+ }
+
+ return $filename;
+}
+
+sub generate_pod_manpage {
+ my ($class, $podfn) = @_;
+
+ $exename = &$get_exe_name($class);
+
+ $podfn = find_cli_class_source($exename) if !defined($podfn);
+
+ die "unable to find source for class '$class'" if !$podfn;
+
+ no strict 'refs';
+ my $def = ${"${class}::cmddef"};
+
+ if (ref($def) eq 'ARRAY') {
+ print_simple_pod_manpage($podfn, @$def);
+ } else {
+ $cmddef = $def;
+
+ $cmddef->{help} = [ __PACKAGE__, 'help', ['cmd'] ];
+
+ print_pod_manpage($podfn);
+ }
+}
+
+sub run_cli {
+ my ($class, $pwcallback, $podfn, $preparefunc) = @_;
+
+ $ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin';
+
+ $exename = &$get_exe_name($class);
+
+ initlog($exename);
+
+
+ if ($class !~ m/^PVE::Service::/) {
+ die "please run as root\n" if $> != 0;
+
+ PVE::INotify::inotify_init();
+
+ my $rpcenv = PVE::RPCEnvironment->init('cli');
+ $rpcenv->init_request();
+ $rpcenv->set_language($ENV{LANG});
+ $rpcenv->set_user('root@pam');
+ }
+
+ no strict 'refs';
+ my $def = ${"${class}::cmddef"};
+
+ if (ref($def) eq 'ARRAY') {
+ handle_simple_cmd($def, \@ARGV, $pwcallback, $podfn, $preparefunc);
+ } else {
+ $cmddef = $def;
+ my $cmd = shift @ARGV;
+ handle_cmd($cmddef, $exename, $cmd, \@ARGV, $pwcallback, $podfn, $preparefunc);
+ }
+
+ exit 0;
+}
+