[pve-devel] [PATCH manager v12 08/12] api: add resource map api endpoints for directories

[Markus Frank <m.frank@proxmox.com>]

Signed-off-by: Markus Frank <m.frank@proxmox.com>
---
 PVE/API2/Cluster/Mapping.pm       |   7 +
 PVE/API2/Cluster/Mapping/Dir.pm   | 317 ++++++++++++++++++++++++++++++
 PVE/API2/Cluster/Mapping/Makefile |   1 +
 3 files changed, 325 insertions(+)
 create mode 100644 PVE/API2/Cluster/Mapping/Dir.pm

diff --git a/PVE/API2/Cluster/Mapping.pm b/PVE/API2/Cluster/Mapping.pm
index 40386579..9f0dcd2b 100644
--- a/PVE/API2/Cluster/Mapping.pm
+++ b/PVE/API2/Cluster/Mapping.pm
@@ -3,11 +3,17 @@ package PVE::API2::Cluster::Mapping;
 use strict;
 use warnings;
 
+use PVE::API2::Cluster::Mapping::Dir;
 use PVE::API2::Cluster::Mapping::PCI;
 use PVE::API2::Cluster::Mapping::USB;
 
 use base qw(PVE::RESTHandler);
 
+__PACKAGE__->register_method ({
+    subclass => "PVE::API2::Cluster::Mapping::Dir",
+    path => 'dir',
+});
+
 __PACKAGE__->register_method ({
     subclass => "PVE::API2::Cluster::Mapping::PCI",
     path => 'pci',
@@ -41,6 +47,7 @@ __PACKAGE__->register_method ({
 	my ($param) = @_;
 
 	my $result = [
+	    { name => 'dir' },
 	    { name => 'pci' },
 	    { name => 'usb' },
 	];
diff --git a/PVE/API2/Cluster/Mapping/Dir.pm b/PVE/API2/Cluster/Mapping/Dir.pm
new file mode 100644
index 00000000..93f3cd8c
--- /dev/null
+++ b/PVE/API2/Cluster/Mapping/Dir.pm
@@ -0,0 +1,317 @@
+package PVE::API2::Cluster::Mapping::Dir;
+
+use strict;
+use warnings;
+
+use Storable qw(dclone);
+
+use PVE::INotify;
+use PVE::JSONSchema qw(get_standard_option parse_property_string);
+use PVE::Mapping::Dir ();
+use PVE::RPCEnvironment;
+use PVE::Tools qw(extract_param);
+
+use base qw(PVE::RESTHandler);
+
+__PACKAGE__->register_method ({
+    name => 'index',
+    path => '',
+    method => 'GET',
+    # only proxy if we give the 'check-node' parameter
+    proxyto_callback => sub {
+	my ($rpcenv, $proxyto, $param) = @_;
+	return $param->{'check-node'} // 'localhost';
+    },
+    description => "List directory mapping",
+    permissions => {
+	description => "Only lists entries where you have 'Mapping.Modify', 'Mapping.Use' or".
+	    " 'Mapping.Audit' permissions on '/mapping/dir/<id>'.",
+	user => 'all',
+    },
+    parameters => {
+	additionalProperties => 0,
+	properties => {
+	    'check-node' => get_standard_option('pve-node', {
+		description => "If given, checks the configurations on the given node for ".
+		    "correctness, and adds relevant diagnostics for the directory to the response.",
+		optional => 1,
+	    }),
+	},
+    },
+    returns => {
+	type => 'array',
+	items => {
+	    type => "object",
+	    properties => {
+		id => {
+		    type => 'string',
+		    description => "The logical ID of the mapping."
+		},
+		map => {
+		    type => 'array',
+		    description => "The entries of the mapping.",
+		    items => {
+			type => 'string',
+			description => "A mapping for a node.",
+		    },
+		},
+		description => {
+		    type => 'string',
+		    description => "A description of the logical mapping.",
+		},
+		xattr => {
+		    type => 'boolean',
+		    description => "Enable support for extended attributes.",
+		    optional => 1,
+		},
+		acl => {
+		    type => 'boolean',
+		    description => "Enable support for posix ACLs (implies --xattr).",
+		    optional => 1,
+		},
+		checks => {
+		    type => "array",
+		    optional => 1,
+		    description => "A list of checks, only present if 'check-node' is set.",
+		    items => {
+			type => 'object',
+			properties => {
+			    severity => {
+				type => "string",
+				enum => ['warning', 'error'],
+				description => "The severity of the error",
+			    },
+			    message => {
+				type => "string",
+				description => "The message of the error",
+			    },
+			},
+		    }
+		},
+	    },
+	},
+	links => [ { rel => 'child', href => "{id}" } ],
+    },
+    code => sub {
+	my ($param) = @_;
+
+	my $rpcenv = PVE::RPCEnvironment::get();
+	my $authuser = $rpcenv->get_user();
+
+	my $check_node = $param->{'check-node'};
+	my $local_node = PVE::INotify::nodename();
+
+	die "wrong node to check - $check_node != $local_node\n"
+	    if defined($check_node) && $check_node ne 'localhost' && $check_node ne $local_node;
+
+	my $cfg = PVE::Mapping::Dir::config();
+
+	my $can_see_mapping_privs = ['Mapping.Modify', 'Mapping.Use', 'Mapping.Audit'];
+
+	my $res = [];
+	for my $id (keys $cfg->{ids}->%*) {
+	    next if !$rpcenv->check_any($authuser, "/mapping/dir/$id", $can_see_mapping_privs, 1);
+	    next if !$cfg->{ids}->{$id};
+
+	    my $entry = dclone($cfg->{ids}->{$id});
+	    $entry->{id} = $id;
+	    $entry->{digest} = $cfg->{digest};
+
+	    if (defined($check_node)) {
+		$entry->{checks} = [];
+		if (my $mappings = PVE::Mapping::Dir::get_node_mapping($cfg, $id, $check_node)) {
+		    if (!scalar($mappings->@*)) {
+			push $entry->{checks}->@*, {
+			    severity => 'warning',
+			    message => "No mapping for node $check_node.",
+			};
+		    }
+		    for my $mapping ($mappings->@*) {
+			eval { PVE::Mapping::Dir::assert_valid($mapping) };
+			if (my $err = $@) {
+			    push $entry->{checks}->@*, {
+				severity => 'error',
+				message => "Invalid configuration: $err",
+			    };
+			}
+		    }
+		}
+	    }
+
+	    push @$res, $entry;
+	}
+
+	return $res;
+    },
+});
+
+__PACKAGE__->register_method ({
+    name => 'get',
+    protected => 1,
+    path => '{id}',
+    method => 'GET',
+    description => "Get directory mapping.",
+    permissions => {
+	check =>['or',
+	    ['perm', '/mapping/dir/{id}', ['Mapping.Use']],
+	    ['perm', '/mapping/dir/{id}', ['Mapping.Modify']],
+	    ['perm', '/mapping/dir/{id}', ['Mapping.Audit']],
+	],
+    },
+    parameters => {
+	additionalProperties => 0,
+	properties => {
+	    id => {
+		type => 'string',
+		format => 'pve-configid',
+	    },
+	}
+    },
+    returns => { type => 'object' },
+    code => sub {
+	my ($param) = @_;
+
+	my $cfg = PVE::Mapping::Dir::config();
+	my $id = $param->{id};
+
+	my $entry = $cfg->{ids}->{$id};
+	die "mapping '$param->{id}' not found\n" if !defined($entry);
+
+	my $data = dclone($entry);
+
+	$data->{digest} = $cfg->{digest};
+
+	return $data;
+    }});
+
+__PACKAGE__->register_method ({
+    name => 'create',
+    protected => 1,
+    path => '',
+    method => 'POST',
+    description => "Create a new directory mapping.",
+    permissions => {
+	check => ['perm', '/mapping/dir', ['Mapping.Modify']],
+    },
+    parameters => PVE::Mapping::Dir->createSchema(1),
+    returns => {
+	type => 'null',
+    },
+    code => sub {
+	my ($param) = @_;
+
+	my $id = extract_param($param, 'id');
+
+	my $plugin = PVE::Mapping::Dir->lookup('dir');
+	my $opts = $plugin->check_config($id, $param, 1, 1);
+
+	my $map_list = $opts->{map};
+	PVE::Mapping::Dir::assert_no_duplicate_node($map_list);
+
+	PVE::Mapping::Dir::lock_dir_config(sub {
+	    my $cfg = PVE::Mapping::Dir::config();
+
+	    die "dir ID '$id' already defined\n" if defined($cfg->{ids}->{$id});
+
+	    $cfg->{ids}->{$id} = $opts;
+
+	    PVE::Mapping::Dir::write_dir_config($cfg);
+
+	}, "create directory mapping failed");
+
+	return;
+    },
+});
+
+__PACKAGE__->register_method ({
+    name => 'update',
+    protected => 1,
+    path => '{id}',
+    method => 'PUT',
+    description => "Update a directory mapping.",
+    permissions => {
+	check => ['perm', '/mapping/dir/{id}', ['Mapping.Modify']],
+    },
+    parameters => PVE::Mapping::Dir->updateSchema(),
+    returns => {
+	type => 'null',
+    },
+    code => sub {
+	my ($param) = @_;
+
+	my $digest = extract_param($param, 'digest');
+	my $delete = extract_param($param, 'delete');
+	my $id = extract_param($param, 'id');
+
+	if ($delete) {
+	    $delete = [ PVE::Tools::split_list($delete) ];
+	}
+
+	PVE::Mapping::Dir::lock_dir_config(sub {
+	    my $cfg = PVE::Mapping::Dir::config();
+
+	    PVE::Tools::assert_if_modified($cfg->{digest}, $digest) if defined($digest);
+
+	    die "dir ID '$id' does not exist\n" if !defined($cfg->{ids}->{$id});
+
+	    my $plugin = PVE::Mapping::Dir->lookup('dir');
+	    my $opts = $plugin->check_config($id, $param, 1, 1);
+
+	    my $map_list = $opts->{map};
+	    PVE::Mapping::Dir::assert_no_duplicate_node($map_list);
+
+	    my $data = $cfg->{ids}->{$id};
+
+	    my $options = $plugin->private()->{options}->{dir};
+	    PVE::SectionConfig::delete_from_config($data, $options, $opts, $delete);
+
+	    $data->{$_} = $opts->{$_} for keys $opts->%*;
+
+	    PVE::Mapping::Dir::write_dir_config($cfg);
+
+	}, "update directory mapping failed");
+
+	return;
+    },
+});
+
+__PACKAGE__->register_method ({
+    name => 'delete',
+    protected => 1,
+    path => '{id}',
+    method => 'DELETE',
+    description => "Remove directory mapping.",
+    permissions => {
+	check => [ 'perm', '/mapping/dir', ['Mapping.Modify']],
+    },
+    parameters => {
+	additionalProperties => 0,
+	properties => {
+	    id => {
+		type => 'string',
+		format => 'pve-configid',
+	    },
+	}
+    },
+    returns => { type => 'null' },
+    code => sub {
+	my ($param) = @_;
+
+	my $id = $param->{id};
+
+	PVE::Mapping::Dir::lock_dir_config(sub {
+	    my $cfg = PVE::Mapping::Dir::config();
+
+	    if ($cfg->{ids}->{$id}) {
+		delete $cfg->{ids}->{$id};
+	    }
+
+	    PVE::Mapping::Dir::write_dir_config($cfg);
+
+	}, "delete dir mapping failed");
+
+	return;
+    }
+});
+
+1;
diff --git a/PVE/API2/Cluster/Mapping/Makefile b/PVE/API2/Cluster/Mapping/Makefile
index e7345ab4..5dbb3f5c 100644
--- a/PVE/API2/Cluster/Mapping/Makefile
+++ b/PVE/API2/Cluster/Mapping/Makefile
@@ -3,6 +3,7 @@ include ../../../../defines.mk
 # for node independent, cluster-wide applicable, API endpoints
 # ensure we do not conflict with files shipped by pve-cluster!!
 PERLSOURCE= 	\
+	Dir.pm  \
 	PCI.pm	\
 	USB.pm
 
-- 
2.39.5



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