[pve-devel] [PATCH manager 2/5] ceph tools: add erasure code management functions

[Aaron Lauterer]

Functions to manage erasure code (EC) profiles:
* add
* remove
* check if exists
* get default prefixed name

Signed-off-by: Aaron Lauterer <a.lauterer at proxmox.com>
---
 PVE/Ceph/Tools.pm | 49 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/PVE/Ceph/Tools.pm b/PVE/Ceph/Tools.pm
index 36d7788a..0c75df0e 100644
--- a/PVE/Ceph/Tools.pm
+++ b/PVE/Ceph/Tools.pm
@@ -531,4 +531,53 @@ sub ceph_cluster_status {
     return $status;
 }
 
+sub ecprofile_exists {
+    my ($name) = @_;
+
+    my $rados = PVE::RADOS->new();
+    my $res = $rados->mon_command({ prefix => 'osd erasure-code-profile ls' });
+
+    my $profiles = { map { $_ => 1 } @$res };
+    return $profiles->{$name};
+}
+
+sub create_ecprofile {
+    my ($name, $k, $m, $failure_domain, $device_class) = @_;
+
+    $failure_domain = 'host' if !$failure_domain;
+
+    my $profile = [
+	"crush-failure-domain=${failure_domain}",
+	"k=${k}",
+	"m=${m}",
+    ];
+
+    push(@$profile, "crush-device-class=${device_class}") if $device_class;
+
+    my $rados = PVE::RADOS->new();
+    $rados->mon_command({
+	prefix => 'osd erasure-code-profile set',
+	name => $name,
+	profile => $profile,
+    });
+}
+
+sub destroy_ecprofile {
+    my ($profile) = @_;
+
+    my $rados = PVE::RADOS->new();
+    my $command = {
+	prefix => 'osd erasure-code-profile rm',
+	name => $profile,
+	format => 'plain',
+    };
+    return $rados->mon_command($command);
+}
+
+sub get_ecprofile_name {
+    my ($name) = @_;
+    return "pve_ec_${name}";
+}
+
+
 1;
-- 
2.30.2