coreos-base/afterburn: fix instance boots

Without configdrive the instance is failing to boot - this patch is
currently under review on PR#1128 (coreos/afterburn)

Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>

sdk_container/src/third_party/coreos-overlay/coreos/user-patches/coreos-base/afterburn/tormath1-proxmox.patch

@@ -0,0 +1,126 @@
+From e6824a223057ca1379d3890ec58773f7549f6ec2 Mon Sep 17 00:00:00 2001
+From: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
+Date: Wed, 6 Nov 2024 14:51:42 +0100
+Subject: [PATCH 1/2] add noop provider
+
+Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
+---
+ src/providers/noop/mod.rs | 28 ++++++++++++++++++++++++++++
+ 1 file changed, 28 insertions(+)
+ create mode 100644 src/providers/noop/mod.rs
+
+diff --git a/src/providers/noop/mod.rs b/src/providers/noop/mod.rs
+new file mode 100644
+index 0000000..c722297
+--- /dev/null
++++ b/src/providers/noop/mod.rs
+@@ -0,0 +1,28 @@
++// Copyright 2023 CoreOS, Inc.
++//
++// Licensed under the Apache License, Version 2.0 (the "License");
++// you may not use this file except in compliance with the License.
++// You may obtain a copy of the License at
++//
++//     http://www.apache.org/licenses/LICENSE-2.0
++//
++// Unless required by applicable law or agreed to in writing, software
++// distributed under the License is distributed on an "AS IS" BASIS,
++// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
++// See the License for the specific language governing permissions and
++// limitations under the License.
++
++use anyhow::Result;
++
++use crate::providers::MetadataProvider;
++
++/// Noop provider
++pub struct NoopProvider {}
++
++impl NoopProvider {
++    pub fn try_new() -> Result<NoopProvider> {
++        Ok(Self { })
++    }
++}
++
++impl MetadataProvider for NoopProvider {}
+-- 
+2.44.2
+
+From fce6d962436fad9c0700174c7fab99ba35d653fd Mon Sep 17 00:00:00 2001
+From: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
+Date: Wed, 6 Nov 2024 15:14:26 +0100
+Subject: [PATCH 2/2] proxmox: use noop provider if no configdrive
+
+Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
+---
+ src/metadata.rs                |  4 ++--
+ src/providers/mod.rs           |  1 +
+ src/providers/proxmoxve/mod.rs | 14 ++++++++++++++
+ 3 files changed, 17 insertions(+), 2 deletions(-)
+
+diff --git a/src/metadata.rs b/src/metadata.rs
+index 94f9238..bd311f7 100644
+--- a/src/metadata.rs
++++ b/src/metadata.rs
+@@ -33,7 +33,7 @@ use crate::providers::openstack;
+ use crate::providers::openstack::network::OpenstackProviderNetwork;
+ use crate::providers::packet::PacketProvider;
+ use crate::providers::powervs::PowerVSProvider;
+-use crate::providers::proxmoxve::ProxmoxVEConfigDrive;
++use crate::providers::proxmoxve;
+ use crate::providers::scaleway::ScalewayProvider;
+ use crate::providers::vmware::VmwareProvider;
+ use crate::providers::vultr::VultrProvider;
+@@ -71,7 +71,7 @@ pub fn fetch_metadata(provider: &str) -> Result<Box<dyn providers::MetadataProvi
+         "openstack-metadata" => box_result!(OpenstackProviderNetwork::try_new()?),
+         "packet" => box_result!(PacketProvider::try_new()?),
+         "powervs" => box_result!(PowerVSProvider::try_new()?),
+-        "proxmoxve" => box_result!(ProxmoxVEConfigDrive::try_new()?),
++        "proxmoxve" => proxmoxve::try_config_drive_else_leave(),
+         "scaleway" => box_result!(ScalewayProvider::try_new()?),
+         "vmware" => box_result!(VmwareProvider::try_new()?),
+         "vultr" => box_result!(VultrProvider::try_new()?),
+diff --git a/src/providers/mod.rs b/src/providers/mod.rs
+index e17d551..dab07e1 100644
+--- a/src/providers/mod.rs
++++ b/src/providers/mod.rs
+@@ -35,6 +35,7 @@ pub mod ibmcloud;
+ pub mod ibmcloud_classic;
+ pub mod kubevirt;
+ pub mod microsoft;
++pub mod noop;
+ pub mod openstack;
+ pub mod packet;
+ pub mod powervs;
+diff --git a/src/providers/proxmoxve/mod.rs b/src/providers/proxmoxve/mod.rs
+index 14146b0..a965162 100644
+--- a/src/providers/proxmoxve/mod.rs
++++ b/src/providers/proxmoxve/mod.rs
+@@ -12,6 +12,11 @@
+ // See the License for the specific language governing permissions and
+ // limitations under the License.
+ 
++use anyhow::Result;
++use crate::providers;
++use crate::providers::noop::NoopProvider;
++use slog_scope::warn;
++
+ mod configdrive;
+ pub use configdrive::*;
+ 
+@@ -20,3 +25,12 @@ pub use cloudconfig::*;
+ 
+ #[cfg(test)]
+ mod tests;
++
++pub fn try_config_drive_else_leave() -> Result<Box<dyn providers::MetadataProvider>> {
++    if let Ok(config_drive) = ProxmoxVEConfigDrive::try_new() {
++        Ok(Box::new(config_drive))
++    } else {
++        warn!("failed to locate config-drive - aborting ProxmoxVE provider");
++        Ok(Box::new(NoopProvider::try_new()?))
++    }
++}
+-- 
+2.44.2
+