1
0
Fork 1
mirror of https://github.com/NixOS/nixpkgs.git synced 2024-12-24 10:56:56 +00:00
nixpkgs/nixos/modules/virtualisation/ec2-metadata-fetcher.nix
Antoine Eiche 933da6de91 nixos: Add ec2-metadata-fetcher.nix file
To share the metadata fetcher script between ec2 and Openstack images.
2019-02-11 20:58:45 +01:00

24 lines
834 B
Nix

{ targetRoot, wgetExtraOptions }:
''
metaDir=${targetRoot}etc/ec2-metadata
mkdir -m 0755 -p "$metaDir"
echo "getting EC2 instance metadata..."
if ! [ -e "$metaDir/ami-manifest-path" ]; then
wget ${wgetExtraOptions} -O "$metaDir/ami-manifest-path" http://169.254.169.254/1.0/meta-data/ami-manifest-path
fi
if ! [ -e "$metaDir/user-data" ]; then
wget ${wgetExtraOptions} -O "$metaDir/user-data" http://169.254.169.254/1.0/user-data && chmod 600 "$metaDir/user-data"
fi
if ! [ -e "$metaDir/hostname" ]; then
wget ${wgetExtraOptions} -O "$metaDir/hostname" http://169.254.169.254/1.0/meta-data/hostname
fi
if ! [ -e "$metaDir/public-keys-0-openssh-key" ]; then
wget ${wgetExtraOptions} -O "$metaDir/public-keys-0-openssh-key" http://169.254.169.254/1.0/meta-data/public-keys/0/openssh-key
fi
''