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PVE::CLIHandler - allow to define additional parameters for output formatter

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Best shown with a example:

my $test_formatter = sub {
    my ($res, $result_schema, $fmt_param) = @_;
    PVE::CLIFormatter::print_api_result($res, $result_schema, undef, $fmt_param);
};

$cmddef = [ __PACKAGE__, 'test', [], undef, $test_formatter, $PVE::RESTHandler::standard_output_options],
This commit is contained in:
Dietmar Maurer 2018-07-25 09:13:34 +02:00
parent 4cbcd1386f
commit 9da2722861
2 changed files with 39 additions and 23 deletions
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31
src/PVE/CLIHandler.pm
View File

@ -17,7 +17,9 @@ use base qw(PVE::RESTHandler);
# A real command is always an array consisting of its class, name, array of
# position fixed (required) parameters and hash of predefined parameters when
# mapping a CLI command t o an API call. Optionally an output method can be
# passed at the end, e.g., for formatting or transformation purpose.
# passed at the end, e.g., for formatting or transformation purpose, and
# a schema of additional properties/arguments which are added to
# the method schema and gets passed to the formatter.
#
# [class, name, fixed_params, API_pre-set params, output_sub ]
#
@ -200,12 +202,12 @@ sub generate_usage_str {
foreach my $cmd (&$sortfunc($def)) {
if (ref($def->{$cmd}) eq 'ARRAY') {
my ($class, $name, $arg_param, $fixed_param) = @{$def->{$cmd}};
my ($class, $name, $arg_param, $fixed_param, undef, $formatter_properties) = @{$def->{$cmd}};
$str .= $separator if $oldclass && $oldclass ne $class;
$str .= $indent;
$str .= $class->usage_str($name, "$prefix $cmd", $arg_param,
$fixed_param, $format, $param_cb);
$fixed_param, $format, $param_cb, $formatter_properties);
$oldclass = $class;
} elsif (defined($def->{$cmd}->{alias}) && ($format eq 'asciidoc')) {
@ -224,11 +226,11 @@ sub generate_usage_str {
}
} else {
my ($class, $name, $arg_param, $fixed_param) = @$def;
my ($class, $name, $arg_param, $fixed_param, undef, $formatter_properties) = @$def;
$abort->("unknown command '$cmd'") if !$class;
$str .= $indent;
$str .= $class->usage_str($name, $prefix, $arg_param, $fixed_param, $format, $param_cb);
$str .= $class->usage_str($name, $prefix, $arg_param, $fixed_param, $format, $param_cb, $formatter_properties);
}
return $str;
};
@ -395,7 +397,7 @@ my $print_bash_completion = sub {
my $skip_param = {};
my ($class, $name, $arg_param, $uri_param) = @$def;
my ($class, $name, $arg_param, $uri_param, undef, $formatter_properties) = @$def;
$arg_param //= [];
$uri_param //= {};
@ -406,7 +408,8 @@ my $print_bash_completion = sub {
my $info = $class->map_method_by_name($name);
my $prop = $info->{parameters}->{properties};
my $prop = { %{$info->{parameters}->{properties}} }; # copy
$prop = { %$prop, %$formatter_properties } if $formatter_properties;
my $print_parameter_completion = sub {
my ($pname) = @_;
@ -547,21 +550,22 @@ my $handle_cmd = sub {
&$preparefunc() if $preparefunc;
my ($class, $name, $arg_param, $uri_param, $outsub) = @{$def || []};
my ($class, $name, $arg_param, $uri_param, $outsub, $formatter_properties) = @{$def || []};
$abort->("unknown command '$cmd_str'") if !$class;
my $res = $class->cli_handler($cmd_str, $name, $cmd_args, $arg_param, $uri_param, $param_cb);
my ($res, $formatter_params) = $class->cli_handler(
$cmd_str, $name, $cmd_args, $arg_param, $uri_param, $param_cb, $formatter_properties);
if (defined $outsub) {
my $result_schema = $class->map_method_by_name($name)->{returns};
$outsub->($res, $result_schema);
$outsub->($res, $result_schema, $formatter_params);
}
};
my $handle_simple_cmd = sub {
my ($args, $preparefunc, $param_cb) = @_;
my ($class, $name, $arg_param, $uri_param, $outsub) = @{$cmddef};
my ($class, $name, $arg_param, $uri_param, $outsub, $formatter_properties) = @{$cmddef};
die "no class specified" if !$class;
if (scalar(@$args) >= 1) {
@ -588,11 +592,12 @@ my $handle_simple_cmd = sub {
&$preparefunc() if $preparefunc;
my $res = $class->cli_handler($name, $name, \@ARGV, $arg_param, $uri_param, $param_cb);
my ($res, $formatter_params) = $class->cli_handler(
$name, $name, \@ARGV, $arg_param, $uri_param, $param_cb, $formatter_properties);
if (defined $outsub) {
my $result_schema = $class->map_method_by_name($name)->{returns};
$outsub->($res, $result_schema);
$outsub->($res, $result_schema, $formatter_params);
}
};

31
src/PVE/RESTHandler.pm
View File

@ -576,15 +576,17 @@ my $compute_param_mapping_hash = sub {
# 'short' ... command line only (text, one line)
# 'full' ... text, include description
# 'asciidoc' ... generate asciidoc for man pages (like 'full')
# $param_cb ... mapping for string parameters to file path parameters
# $param_cb ... mapping for string parameters to file path parameters
# $formatter_properties ... additional property definitions (passed to output formatter)
sub getopt_usage {
my ($info, $prefix, $arg_param, $fixed_param, $format, $param_cb) = @_;
my ($info, $prefix, $arg_param, $fixed_param, $format, $param_cb, $formatter_properties) = @_;
$format = 'long' if !$format;
my $schema = $info->{parameters};
my $name = $info->{name};
my $prop = $schema->{properties};
my $prop = { %{$schema->{properties}} }; # copy
$prop = { %$prop, %$formatter_properties } if $formatter_properties;
my $out = '';
@ -680,11 +682,11 @@ sub getopt_usage {
}
sub usage_str {
my ($self, $name, $prefix, $arg_param, $fixed_param, $format, $param_cb) = @_;
my ($self, $name, $prefix, $arg_param, $fixed_param, $format, $param_cb, $formatter_properties) = @_;
my $info = $self->map_method_by_name($name);
return getopt_usage($info, $prefix, $arg_param, $fixed_param, $format, $param_cb);
return getopt_usage($info, $prefix, $arg_param, $fixed_param, $format, $param_cb, $formatter_properties);
}
# generate docs from JSON schema properties
@ -802,15 +804,24 @@ sub extract_standard_output_properties {
}
sub cli_handler {
my ($self, $prefix, $name, $args, $arg_param, $fixed_param, $param_cb) = @_;
my ($self, $prefix, $name, $args, $arg_param, $fixed_param, $param_cb, $formatter_properties) = @_;
my $info = $self->map_method_by_name($name);
my $res;
my $fmt_param = {};
eval {
my $param_map = {};
$param_map = $compute_param_mapping_hash->($param_cb->($name)) if $param_cb;
my $param = PVE::JSONSchema::get_options($info->{parameters}, $args, $arg_param, $fixed_param, $param_map);
my $schema = { %{$info->{parameters}} }; # copy
$schema->{properties} = { %{$schema->{properties}}, %$formatter_properties } if $formatter_properties;
my $param = PVE::JSONSchema::get_options($schema, $args, $arg_param, $fixed_param, $param_map);
if ($formatter_properties) {
foreach my $opt (keys %$formatter_properties) {
$fmt_param->{$opt} = delete $param->{$opt} if defined($param->{$opt});
}
}
if (defined($param_map)) {
$replace_file_names_with_contents->($param, $param_map);
@ -823,12 +834,12 @@ sub cli_handler {
die $err if !$ec || $ec ne "PVE::Exception" || !$err->is_param_exc();
$err->{usage} = $self->usage_str($name, $prefix, $arg_param, $fixed_param, 'short', $param_cb);
$err->{usage} = $self->usage_str($name, $prefix, $arg_param, $fixed_param, 'short', $param_cb, $formatter_properties);
die $err;
}
return $res;
return wantarray ? ($res, $fmt_param) : $res;
}
# utility methods