[pve-devel] [PATCH v4 container 09/27] Implement volume-related helpers and use new foreach_volume

[Fabian Ebner]

Renames mountpoint_names to avoid the need to create a wrapper.

Signed-off-by: Fabian Ebner <f.ebner at proxmox.com>
---
 src/PVE/API2/LXC.pm   |  4 ++--
 src/PVE/CLI/pct.pm    |  2 +-
 src/PVE/LXC/Config.pm | 38 ++++++++++++++++++++++++++++----------
 3 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/src/PVE/API2/LXC.pm b/src/PVE/API2/LXC.pm
index a5aa5fc..556fd33 100644
--- a/src/PVE/API2/LXC.pm
+++ b/src/PVE/API2/LXC.pm
@@ -1595,7 +1595,7 @@ __PACKAGE__->register_method({
 	    disk => {
 		type => 'string',
 		description => "The disk you want to resize.",
-		enum => [PVE::LXC::Config->mountpoint_names()],
+		enum => [PVE::LXC::Config->valid_volume_keys()],
 	    },
 	    size => {
 		type => 'string',
@@ -1757,7 +1757,7 @@ __PACKAGE__->register_method({
 	    vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid }),
 	    volume => {
 		type => 'string',
-		enum => [ PVE::LXC::Config->mountpoint_names() ],
+		enum => [ PVE::LXC::Config->valid_volume_keys() ],
 		description => "Volume which will be moved.",
 	    },
 	    storage => get_standard_option('pve-storage-id', {
diff --git a/src/PVE/CLI/pct.pm b/src/PVE/CLI/pct.pm
index 5c36669..934d9aa 100755
--- a/src/PVE/CLI/pct.pm
+++ b/src/PVE/CLI/pct.pm
@@ -210,7 +210,7 @@ __PACKAGE__->register_method ({
 		optional => 1,
 		type => 'string',
 		description => "A volume on which to run the filesystem check",
-		enum => [PVE::LXC::Config->mountpoint_names()],
+		enum => [PVE::LXC::Config->valid_volume_keys()],
 	    },
 	},
     },
diff --git a/src/PVE/LXC/Config.pm b/src/PVE/LXC/Config.pm
index 0909773..9f68ac1 100644
--- a/src/PVE/LXC/Config.pm
+++ b/src/PVE/LXC/Config.pm
@@ -181,7 +181,7 @@ sub __snapshot_rollback_get_unused {
 
     my $unused = [];
 
-    $class->__snapshot_foreach_volume($conf, sub {
+    $class->foreach_volume($conf, sub {
 	my ($vs, $volume) = @_;
 
 	return if $volume->{type} ne 'volume';
@@ -189,7 +189,7 @@ sub __snapshot_rollback_get_unused {
 	my $found = 0;
 	my $volid = $volume->{volume};
 
-	$class->__snapshot_foreach_volume($snap, sub {
+	$class->foreach_volume($snap, sub {
 	    my ($ms, $mountpoint) = @_;
 
 	    return if $found;
@@ -205,12 +205,6 @@ sub __snapshot_rollback_get_unused {
     return $unused;
 }
 
-sub __snapshot_foreach_volume {
-    my ($class, $conf, $func) = @_;
-
-    $class->foreach_mountpoint($conf, $func);
-}
-
 # END implemented abstract methods from PVE::AbstractConfig
 
 # BEGIN JSON config code
@@ -1083,6 +1077,30 @@ sub print_ct_mountpoint {
     return PVE::JSONSchema::print_property_string($info, $mp_desc, $skip);
 }
 
+sub parse_volume {
+    my ($class, $key, $volume_string, $noerr) = @_;
+
+    if ($key eq 'rootfs') {
+	return $class->parse_ct_rootfs($volume_string, $noerr);
+    } elsif ($key =~ m/^mp\d+$/ || $key =~ m/^unused\d+$/) {
+	return $class->parse_ct_mountpoint($volume_string, $noerr);
+    }
+
+    die "parse_volume - unknown type: $key\n";
+}
+
+sub print_volume {
+    my ($class, $key, $volume) = @_;
+
+    return $class->print_ct_mountpoint($volume, $key eq 'rootfs');
+}
+
+sub volid_key {
+    my ($class) = @_;
+
+    return 'volume';
+}
+
 sub print_lxc_network {
     my ($class, $net) = @_;
     return PVE::JSONSchema::print_property_string($net, $netconf_desc);
@@ -1450,7 +1468,7 @@ sub get_cmode {
     return $conf->{cmode} // $confdesc->{cmode}->{default};
 }
 
-sub mountpoint_names {
+sub valid_volume_keys {
     my ($class, $reverse) = @_;
 
     my @names = ('rootfs');
@@ -1465,7 +1483,7 @@ sub mountpoint_names {
 sub foreach_mountpoint_full {
     my ($class, $conf, $reverse, $func, @param) = @_;
 
-    my $mps = [ grep { defined($conf->{$_}) } $class->mountpoint_names($reverse) ];
+    my $mps = [ grep { defined($conf->{$_}) } $class->valid_volume_keys($reverse) ];
     foreach my $key (@$mps) {
 	my $value = $conf->{$key};
 	my $mountpoint = $key eq 'rootfs' ? $class->parse_ct_rootfs($value, 1) : $class->parse_ct_mountpoint($value, 1);
-- 
2.20.1