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-rw-r--r--nixos/modules/virtualisation/azure-image.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/nixos/modules/virtualisation/azure-image.nix b/nixos/modules/virtualisation/azure-image.nix
index 8c980c5eec9..c415890d6c4 100644
--- a/nixos/modules/virtualisation/azure-image.nix
+++ b/nixos/modules/virtualisation/azure-image.nix
@@ -93,6 +93,9 @@ in
 
   fileSystems."/".device = "/dev/disk/by-label/nixos";
 
+  # Azure metadata is available as a CD-ROM drive.
+  fileSystems."/metadata".device = "/dev/sr0";
+
   boot.kernelParams = [ "console=ttyS0" "earlyprintk=ttyS0" "rootdelay=300" "panic=1" "boot.panic_on_fail" ];
   boot.initrd.kernelModules = [ "hv_vmbus" "hv_netvsc" "hv_utils" "hv_storvsc" ];