data-values.yaml

#@data/values
---
workload:
  metadata:
    name: test-workload
    namespace: default
params:
  chart_name: tanzu-java-web-app
  chart_repo:
    name: demo-repo
    kind: HelmRepository
  image_key_path:  image.repository
  chart_values:
    service:
      type: LoadBalancer
    image:
      pullPolicy: IfNotPresent
images:
  image:
    image: test-image@sha256:1234546

helm-release-cr-ytt-for-tap.yaml

#@ load("@ytt:data", "data")
#@ load("@ytt:assert", "assert")
#@ load("@ytt:yaml", "yaml")
#@ load("@ytt:struct", "struct")
#@ load("@ytt:overlay", "overlay")
#@ load("@ytt:regexp", "regexp")

#@ def merge_labels(fixed_values):
#@   labels = {}
#@   if hasattr(data.values.workload.metadata, "labels"):
#@     labels.update(data.values.workload.metadata.labels)
#@   end
#@   labels.update(fixed_values)
#@   return labels
#@ end
#@ def is_monorepo_approach():
#@   if 'gitops_server_address' in data.values.params and 'gitops_repository_owner' in data.values.params and 'gitops_repository_name' in data.values.params:
#@     return True
#@   end
#@   if 'gitops_server_address' in data.values.params or 'gitops_repository_owner' in data.values.params or 'gitops_repository_name' in data.values.params:
#@     'gitops_server_address' in data.values.params or assert.fail("missing param: gitops_server_address")
#@     'gitops_repository_owner' in data.values.params or assert.fail("missing param: gitops_repository_owner")
#@     'gitops_repository_name' in data.values.params or assert.fail("missing param: gitops_repository_name")
#@   end
#@   return False
#@ end
#@ def has_git_params():
#@   if 'gitops_repository_prefix' in data.values.params:
#@     return True
#@   end
#@
#@   if 'gitops_repository' in data.values.params:
#@     return True
#@   end
#@
#@   return False
#@ end
#@ def is_gitops():
#@   return is_monorepo_approach() or has_git_params()
#@ end
#@ def param(key):
#@   if not key in data.values.params:
#@     return None
#@   end
#@   return data.values.params[key]
#@ end
#@ def strip_trailing_slash(some_string):
#@   if some_string[-1] == "/":
#@     return some_string[:-1]
#@   end
#@   return some_string
#@ end
#@ def mono_repository():
#@   strip_trailing_slash(data.values.params.gitops_server_address)
#@   return "/".join([
#@     strip_trailing_slash(data.values.params.gitops_server_address),
#@     strip_trailing_slash(data.values.params.gitops_repository_owner),
#@     data.values.params.gitops_repository_name,
#@   ]) + ".git"
#@ end
#@ def git_repository():
#@   if is_monorepo_approach():
#@     return mono_repository()
#@   end
#@
#@   if 'gitops_repository' in data.values.params:
#@     return param("gitops_repository")
#@   end
#@
#@   prefix = param("gitops_repository_prefix")
#@   return prefix + data.values.workload.metadata.name + ".git"
#@ end
#@ def image():
#@   return "/".join([
#@    data.values.params.registry.server,
#@    data.values.params.registry.repository,
#@    "-".join([
#@      data.values.workload.metadata.name,
#@      data.values.workload.metadata.namespace,
#@      "bundle",
#@    ])
#@   ]) + ":" + data.values.workload.metadata.uid
#@ end


#@ def as_dict(parts, leaf):
#@   if len(parts) == 0:
#@     return leaf
#@   end
#@   return {parts[0]: as_dict(parts[1:], leaf)}
#@ end
#@ def split_dot_path(path):
#@   # "replace any dot that does NOT have a leading slash with ':::'
#@   path = regexp.replace("([^\\\])\.", path, "$1:::")
#@   path = path.replace("\.", ".")   # consume escaping of '.'
#@   return path.split(":::")
#@ end

#@ def image_path():
#@  if hasattr(data.values.params, "image_key_path"):
#@    return data.values.params.image_key_path
#@  else:
#@    return "image.repository"
#@  end
#@ end
#@ chart_config = as_dict(split_dot_path(image_path()), data.values.images.image.image)

#@ config_source = data.values.params
#@ def chart_overrides():
#@ return data.values.params
#@ end

#@ def image_override():
#@overlay/match-child-defaults missing_ok=True
chart_values: #@ chart_config
#@ end

#@ def chart_values():
#@ if hasattr(data.values.params, "chart_values"):
#@ return struct.encode(yaml.decode(yaml.encode(overlay.apply(chart_overrides(), image_override())))).chart_values
#@ else:
#@ return struct.encode(yaml.decode(yaml.encode(image_override()))).chart_values
#@ end
#@ end

#@ def helm_release():
---
apiVersion: helm.toolkit.fluxcd.io/v2beta1
kind: HelmRelease
metadata:
  name: #@ data.values.workload.metadata.name
  namespace: #@ data.values.workload.metadata.namespace
  labels: #@ merge_labels({ "app.kubernetes.io/component": "helm-release", "app.tanzu.vmware.com/release-type": "helm" })
spec:
  interval: 5m
  chart:
    spec:
      chart: #@ data.values.params.chart_name
      #@ if/end hasattr(data.values.params, "chart_version"):
      version: #@ data.values.params.chart_version
      sourceRef:
        kind: #@ data.values.params.chart_repo.kind
        name: #@ data.values.params.chart_repo.name
        #@ if/end hasattr(data.values.params.chart_repo, "namespace"):
        namespace: #@ data.values.params.chart_repo.namespace
      interval: 1m
  upgrade:
    remediation:
      remediateLastFailure: true
  values: #@ chart_values()
#@ end
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: #@ "{}-helm-release".format(data.values.workload.metadata.name)
  labels: #@ merge_labels({ "app.kubernetes.io/component": "config" })
data:
  helm-release.yaml: #@ yaml.encode(helm_release())