1 { targetRoot, wgetExtraOptions }:
3 # OpenStack's metadata service aims to be EC2-compatible. Where
4 # possible, try to keep the set of fetched metadata in sync with
5 # ./ec2-metadata-fetcher.nix .
7 metaDir=${targetRoot}etc/ec2-metadata
8 mkdir -m 0755 -p "$metaDir"
11 echo "getting instance metadata..."
14 wget ${wgetExtraOptions} "$@"
17 wget_imds -O "$metaDir/ami-manifest-path" http://169.254.169.254/1.0/meta-data/ami-manifest-path || true
18 # When no user-data is provided, the OpenStack metadata server doesn't expose the user-data route.
19 (umask 077 && wget_imds -O "$metaDir/user-data" http://169.254.169.254/1.0/user-data || rm -f "$metaDir/user-data")
20 wget_imds -O "$metaDir/hostname" http://169.254.169.254/1.0/meta-data/hostname || true
21 wget_imds -O "$metaDir/public-keys-0-openssh-key" http://169.254.169.254/1.0/meta-data/public-keys/0/openssh-key || true