Thank you for the patch. Sorry that I missed that on friday.
Which distributions and cloud-init versions did you test this on?
The patch looks good to me. One addition I'd make, as we have a hard
limit of 4MiB currently for the generated ISO, inline.
On 8/12/21 9:17 PM, Constantin Herold wrote:
Signed-off-by: Constantin Herold <proxmox8...@herold.me>
---
PVE/QemuServer.pm | 8 ++++++++
PVE/QemuServer/Cloudinit.pm | 18 +++++++++++++-----
2 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index cc73af8..90a4496 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -713,6 +713,14 @@ 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', $cicustom_fmt);
diff --git a/PVE/QemuServer/Cloudinit.pm b/PVE/QemuServer/Cloudinit.pm
index a5474d3..ab5d358 100644
--- a/PVE/QemuServer/Cloudinit.pm
+++ b/PVE/QemuServer/Cloudinit.pm
@@ -227,7 +227,7 @@ EOF
sub generate_configdrive2 {
my ($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);
@@ -237,7 +237,8 @@ sub generate_configdrive2 {
Add a size check for the total amount of bytes to never exceed 3MiB here.
e.g.
+ # we always allocate a 4MiB disk for cloudinit and with the
overhead of the ISO
+ # make sure we always stay below it by keeping the sum of all
files below 3 MiB
+ my $sum = length($user_data) + length($vendor_data) +
length($network_data) + length($meta_data);
+ die "Cloud-Init sum of snippets too big (> 3 MiB)\n" if $sum > (3
* 1024 * 1024);
This is taken from my patch sent previously [0].
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,
$files, 'config-2');
}
@@ -493,7 +494,7 @@ sub nocloud_gen_metadata {
sub generate_nocloud {
my ($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);
@@ -504,7 +505,8 @@ sub generate_nocloud {
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');
}
@@ -518,6 +520,7 @@ 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();
@@ -536,7 +539,12 @@ 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 {
[0] https://lists.proxmox.com/pipermail/pve-devel/2021-June/049025.html
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