public/nixpkgs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

nixos: Add ec2-metadata-fetcher.nix file

Browse Source 
To share the metadata fetcher script between ec2 and Openstack images.
This commit is contained in:
Antoine Eiche
2019-02-11 20:58:45 +01:00
parent 78acac050f
commit 933da6de91
3 changed files with 38 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nixos/modules/virtualisation/openstack-config.nix
+7 -22
View File
@@ -2,6 +2,12 @@
with lib;
let
metadataFetcher = import ./ec2-metadata-fetcher.nix {
targetRoot = "/";
wgetExtraOptions = "--retry-connrefused";
};
in
{
imports = [
../profiles/qemu-guest.nix
@@ -39,28 +45,7 @@ with lib;
before = [ "apply-ec2-data.service" "amazon-init.service"];
wants = [ "network-online.target" ];
after = [ "network-online.target" ];
script =
''
metaDir=/etc/ec2-metadata
mkdir -m 0755 -p "$metaDir"
echo "getting Openstack instance metadata (via EC2 API)..."
if ! [ -e "$metaDir/ami-manifest-path" ]; then
wget --retry-connrefused -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 --retry-connrefused -O "$metaDir/user-data" http://169.254.169.254/1.0/user-data && chmod 600 "$metaDir/user-data"
fi
if ! [ -e "$metaDir/hostname" ]; then
wget --retry-connrefused -O "$metaDir/hostname" http://169.254.169.254/1.0/meta-data/hostname
fi
if ! [ -e "$metaDir/public-keys-0-openssh-key" ]; then
wget --retry-connrefused -O "$metaDir/public-keys-0-openssh-key" http://169.254.169.254/1.0/meta-data/public-keys/0/openssh-key
fi
'';
script = metadataFetcher;
restartIfChanged = false;
unitConfig.X-StopOnRemoval = false;
serviceConfig = {