{ 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 "$metaDir/ami-manifest-path" http://169.254.169.254/1.0/meta-data/ami-manifest-path || true # When no user-data is provided, the OpenStack metadata server doesn't expose the user-data route. (umask 077 && wget_imds -O "$metaDir/user-data" http://169.254.169.254/1.0/user-data || rm -f "$metaDir/user-data") wget_imds -O "$metaDir/hostname" http://169.254.169.254/1.0/meta-data/hostname || true wget_imds -O "$metaDir/public-keys-0-openssh-key" http://169.254.169.254/1.0/meta-data/public-keys/0/openssh-key || true ''