fix: show detailed Loki template and resource diagnostics

ansible/roles/observability/tasks/main.yml

@@ -66,19 +66,25 @@
     --values /tmp/loki-values.yaml
   register: loki_template
   changed_when: false
+  failed_when: false
 
-- name: Show Loki template output (check for StatefulSet)
+- name: Show Loki template summary
   debug:
-    msg: "Loki template contains StatefulSet: {{ 'kind: StatefulSet' in loki_template.stdout }}"
-  when: "'kind: StatefulSet' not in loki_template.stdout"
-
-- name: Fail if Loki template produces no StatefulSet
-  fail:
     msg: |
-      Loki Helm template produces no StatefulSet. Check values configuration.
-      Template output (first 100 lines):
-      {{ loki_template.stdout.split('\n')[:100] | join('\n') }}
-  when: "'kind: StatefulSet' not in loki_template.stdout"
+      Template rc: {{ loki_template.rc }}
+      Contains StatefulSet: {{ 'kind: StatefulSet' in loki_template.stdout }}
+      Contains Deployment: {{ 'kind: Deployment' in loki_template.stdout }}
+      Template stderr: {{ loki_template.stderr }}
+
+- name: Show Loki template output sample
+  debug:
+    msg: "{{ loki_template.stdout.split('\n')[:50] }}"
+  when: loki_template.rc == 0
+
+- name: Fail if Loki template fails
+  fail:
+    msg: "Loki helm template failed: {{ loki_template.stderr }}"
+  when: loki_template.rc != 0
 
 - name: Remove legacy Loki scalable workloads (if present)
   command: >-
@@ -145,10 +151,20 @@
   changed_when: false
   failed_when: false
 
+- name: Show ALL observability resources
+  command: kubectl -n {{ observability_namespace }} get all,configmaps,secrets,pvc
+  register: all_observability_resources
+  changed_when: false
+  failed_when: false
+
+- name: Debug all observability resources
+  debug:
+    msg: "{{ all_observability_resources.stdout }}"
+  when: all_observability_resources.stdout | length > 0
+
 - name: Debug Loki resources
   debug:
-    msg: "{{ loki_resources.stdout }}"
-  when: loki_resources.stdout | length > 0
+    msg: "Loki resources: {{ loki_resources.stdout if loki_resources.stdout | length > 0 else 'No Loki resources found' }}"
 
 - name: Wait for Loki statefulset rollout
   command: kubectl -n {{ observability_namespace }} rollout status statefulset/loki --timeout=10m