[pve-devel] [PATCH v3 qemu-server 1/1] fix #2429: allow to specify cloud-init vendor snippet via cicustom
Constantin Herold
proxmox8914 at herold.me
Sat Oct 30 16:49:41 CEST 2021
Signed-off-by: Constantin Herold <proxmox8914 at herold.me>
---
PVE/QemuServer.pm | 8 ++++++++
PVE/QemuServer/Cloudinit.pm | 25 ++++++++++++++++++++-----
2 files changed, 28 insertions(+), 5 deletions(-)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index e0a89aa..da62a39 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -734,6 +734,14 @@ my $cicustom_fmt = {
format => 'pve-volume-id',
format_description => 'volume',
},
+ vendor => {
+ type => 'string',
+ optional => 1,
+ description => 'Specify a custom file containing all vendor data passed to the VM via'
+ .' cloud-init.',
+ format => 'pve-volume-id',
+ format_description => 'volume',
+ },
};
PVE::JSONSchema::register_format('pve-qm-cicustom', $cicustom_fmt);
diff --git a/PVE/QemuServer/Cloudinit.pm b/PVE/QemuServer/Cloudinit.pm
index 9dc46ae..420566e 100644
--- a/PVE/QemuServer/Cloudinit.pm
+++ b/PVE/QemuServer/Cloudinit.pm
@@ -227,17 +227,22 @@ EOF
sub generate_configdrive2 {
my ($conf, $vmid, $drive, $volname, $storeid) = @_;
- my ($user_data, $network_data, $meta_data) = get_custom_cloudinit_files($conf);
+ my ($user_data, $network_data, $meta_data, $vendor_data) = get_custom_cloudinit_files($conf);
$user_data = cloudinit_userdata($conf, $vmid) if !defined($user_data);
$network_data = configdrive2_network($conf) if !defined($network_data);
if (!defined($meta_data)) {
$meta_data = configdrive2_gen_metadata($user_data, $network_data);
}
+
+ my $sum = length($user_data) + length($network_data) + length($meta_data) + length($vendor_data);
+ die "Cloud-Init sum of snippets too big (> 3 MiB)\n" if $sum > (3 * 1024 * 1024);
+
my $files = {
'/openstack/latest/user_data' => $user_data,
'/openstack/content/0000' => $network_data,
- '/openstack/latest/meta_data.json' => $meta_data
+ '/openstack/latest/meta_data.json' => $meta_data,
+ '/openstack/latest/vendor_data.json' => $vendor_data
};
commit_cloudinit_disk($conf, $vmid, $drive, $volname, $storeid, $files, 'config-2');
}
@@ -476,7 +481,7 @@ sub nocloud_gen_metadata {
sub generate_nocloud {
my ($conf, $vmid, $drive, $volname, $storeid) = @_;
- my ($user_data, $network_data, $meta_data) = get_custom_cloudinit_files($conf);
+ my ($user_data, $network_data, $meta_data, $vendor_data) = get_custom_cloudinit_files($conf);
$user_data = cloudinit_userdata($conf, $vmid) if !defined($user_data);
$network_data = nocloud_network($conf) if !defined($network_data);
@@ -484,10 +489,14 @@ sub generate_nocloud {
$meta_data = nocloud_gen_metadata($user_data, $network_data);
}
+ my $sum = length($user_data) + length($network_data) + length($meta_data) + length($vendor_data);
+ die "Cloud-Init sum of snippets too big (> 3 MiB)\n" if $sum > (3 * 1024 * 1024);
+
my $files = {
'/user-data' => $user_data,
'/network-config' => $network_data,
- '/meta-data' => $meta_data
+ '/meta-data' => $meta_data,
+ '/vendor-data' => $vendor_data
};
commit_cloudinit_disk($conf, $vmid, $drive, $volname, $storeid, $files, 'cidata');
}
@@ -501,6 +510,7 @@ sub get_custom_cloudinit_files {
my $network_volid = $files->{network};
my $user_volid = $files->{user};
my $meta_volid = $files->{meta};
+ my $vendor_volid = $files->{vendor};
my $storage_conf = PVE::Storage::config();
@@ -519,7 +529,12 @@ sub get_custom_cloudinit_files {
$meta_data = read_cloudinit_snippets_file($storage_conf, $meta_volid);
}
- return ($user_data, $network_data, $meta_data);
+ my $vendor_data;
+ if ($vendor_volid) {
+ $vendor_data = read_cloudinit_snippets_file($storage_conf, $vendor_volid);
+ }
+
+ return ($user_data, $network_data, $meta_data, $vendor_data);
}
sub read_cloudinit_snippets_file {
--
2.23.1
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