diff options
Diffstat (limited to 'nixos/modules/virtualisation/openstack-metadata-fetcher.nix')
| -rw-r--r-- | nixos/modules/virtualisation/openstack-metadata-fetcher.nix | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/nixos/modules/virtualisation/openstack-metadata-fetcher.nix b/nixos/modules/virtualisation/openstack-metadata-fetcher.nix new file mode 100644 index 00000000000..133cd4c0e9f --- /dev/null +++ b/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 "$metaDir/ami-manifest-path" http://169.254.169.254/1.0/meta-data/ami-manifest-path + (umask 077 && wget_imds -O "$metaDir/user-data" http://169.254.169.254/1.0/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 +'' |