Merge commit '83cbad92d73216bb0d9187c56cce0b91f9121d5a' into main

1 files changed, 21 insertions, 0 deletions

diff --git a/infra/libkookie/nixpkgs/nixos/modules/virtualisation/openstack-metadata-fetcher.nix b/infra/libkookie/nixpkgs/nixos/modules/virtualisation/openstack-metadata-fetcher.nix
new file mode 100644
index 000000000000..8c191397cf9a
--- /dev/null
+++ b/infra/libkookie/nixpkgs/nixos/modules/virtualisation/openstack-metadata-fetcher.nix
@@ -0,0 +1,21 @@
+{ targetRoot, wgetExtraOptions }:
+
+# OpenStack's metadata service aims to be EC2-compatible. Where
+# possible, try to keep the set of fetched metadata in sync with
+# ./ec2-metadata-fetcher.nix .
+''
+  metaDir=${targetRoot}etc/ec2-metadata
+  mkdir -m 0755 -p "$metaDir"
+  rm -f "$metaDir/*"
+
+  echo "getting instance metadata..."
+
+  wget_imds() {
+    wget ${wgetExtraOptions} "$@"
+  }
+
+  wget_imds -O "$metaDir/ami-manifest-path" http://169.254.169.254/1.0/meta-data/ami-manifest-path
+  wget_imds -O "$metaDir/user-data" http://169.254.169.254/1.0/user-data && chmod 600 "$metaDir/user-data"
+  wget_imds -O "$metaDir/hostname" http://169.254.169.254/1.0/meta-data/hostname
+  wget_imds -O "$metaDir/public-keys-0-openssh-key" http://169.254.169.254/1.0/meta-data/public-keys/0/openssh-key
+''