mirror of
https://github.com/TECHNOFAB11/kubenix.git
synced 2025-12-12 08:00:06 +01:00
45 lines
1.5 KiB
Nix
45 lines
1.5 KiB
Nix
{ runCommand, lib, kubernetes-helm, yq }:
|
|
with lib;
|
|
{
|
|
# chart to template
|
|
chart
|
|
# release name
|
|
, name
|
|
# namespace to install release into
|
|
, namespace ? null
|
|
# values to pass to chart
|
|
, values ? { }
|
|
# kubernetes version to template chart for
|
|
, kubeVersion ? null
|
|
# whether to include CRD
|
|
, includeCRDs ? false
|
|
# whether to include hooks
|
|
, noHooks ? false
|
|
# Kubernetes api versions used for Capabilities.APIVersions (--api-versions)
|
|
, apiVersions ? null
|
|
}:
|
|
let
|
|
valuesJsonFile = builtins.toFile "${name}-values.json" (builtins.toJSON values);
|
|
# The `helm template` and YAML -> JSON steps are separate `runCommand` derivations for easier debuggability
|
|
resourcesYaml = runCommand "${name}.yaml" { nativeBuildInputs = [ kubernetes-helm ]; } ''
|
|
helm template "${name}" \
|
|
${optionalString (apiVersions != null && apiVersions != []) "--api-versions ${lib.strings.concatStringsSep "," apiVersions}"} \
|
|
${optionalString (kubeVersion != null) "--kube-version ${kubeVersion}"} \
|
|
${optionalString (namespace != null) "--namespace ${namespace}"} \
|
|
${optionalString (values != {}) "-f ${valuesJsonFile}"} \
|
|
${optionalString includeCRDs "--include-crds"} \
|
|
${optionalString noHooks "--no-hooks"} \
|
|
${chart} >$out
|
|
'';
|
|
in
|
|
runCommand "${name}.json" { } ''
|
|
# Remove null values
|
|
${yq}/bin/yq -Scs 'walk(
|
|
if type == "object" then
|
|
with_entries(select(.value != null))
|
|
elif type == "array" then
|
|
map(select(. != null))
|
|
else
|
|
.
|
|
end)' ${resourcesYaml} >$out
|
|
''
|