feat: render global environment for prometheus outside tutor-env (edu…

…NEXT#5)

drydock/manifest_builder/infrastructure/tutor_based_manifests.py

@@ -188,3 +188,38 @@ def relocate_env(self, src: str, dst: str) -> None:
         if not os.path.exists(base_dir):
             raise TutorError("[DRYDOCK] Missing extra-extensions folder")
         shutil.move(base_dir, dst)
+
+
+class GlobalManifests(BaseManifests):
+    """Generate environment not bound to tutor env manifests."""
+
+    TEMPLATE_ROOT = "kustomized/global-stack"
+    TEMPLATE_TARGETS = [
+        f"{TEMPLATE_ROOT}/kustomization.yml",
+    ]
+
+    def __init__(self, options: dict) -> None:
+        """Initialize the class based on the `manifest_options` from the reference.
+
+        Parameters
+        ----------
+        options: dict
+            Defines additional configuration options for the generations of the
+            configuration repository.
+
+            - ["output"]: Name of the directory to store the manifests.
+        """
+        self.output_dir = options.get("output", "drydock-global-env")
+
+    def relocate_env(self, src: str, dst: str) -> None:
+        """Moves the drydock rendered templates a global destination.
+
+        Parameters
+        ----------
+        src: str
+            The initial path where the full tutor env was rendered.
+        dst: str
+            The path to save the final environment with the global manifests..
+        """
+        base_dir = path_join(src, "env/drydock", f"{self.TEMPLATE_ROOT}")
+        shutil.move(base_dir, dst)

drydock/manifest_builder/infrastructure/tutor_config.py

@@ -63,3 +63,8 @@ def get_data(self) -> dict:
 
     def get_root(self) -> str:
         return self.context.obj.root
+
+
+class TutorGlobalConfig(TutorExtendedConfig):
+    """Drydock configuration defaults for a global environment."""
+    DEFAULT_TEMPLATE_SET = "kustomized/global-stack"

drydock/templates/kustomized/global-stack/defaults.yml

@@ -0,0 +1,5 @@
+DRYDOCK_GLOBAL_STACK_NAMESPACE: "monitoring"
+DRYDOCK_PROMETHEUS_VALUES: ""
+DRYDOCK_PROMETHEUS_PATCHES: ""
+DRYDOCK_GLOBAL_RESOURCES: ""
+DRYDOCK_PROMETHEUS_VERSION: 39.4.0

drydock/templates/kustomized/global-stack/kustomization.yml

@@ -0,0 +1,24 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: {{ DRYDOCK_GLOBAL_STACK_NAMESPACE }}
+
+{%- if DRYDOCK_GLOBAL_RESOURCES %}
+resources:
+  {{ patch("drydock-global-resources") }}
+{%- endif %}
+
+helmCharts:
+- name: kube-prometheus-stack
+  repo: https://prometheus-community.github.io/helm-charts
+  version: {{ DRYDOCK_PROMETHEUS_VERSION }}
+  releaseName: prometheus
+  includeCRDs: true
+{%- if DRYDOCK_PROMETHEUS_VALUES %}
+  valuesInline:
+    {{ DRYDOCK_PROMETHEUS_VALUES | indent(4) }}
+{%- endif %}
+{{ patch("drydock-global-helm-charts") }}
+
+patches:
+{{ DRYDOCK_PROMETHEUS_PATCHES }}