node_exporter: Configure k8s Prometheus scraping

node_exporter/tasks/main.yml

@@ -51,7 +51,7 @@
     - prometheus-exporter
     - config
 
-- name: Configure Prometheus server to scrape us
+- name: Configure Prometheus server to scrape us (file)
   template:
     src: scrape.yml.j2
     dest: "/etc/prometheus/scrape/node_{{ ansible_fqdn }}.yml"
@@ -60,6 +60,27 @@
     - prometheus
     - prometheus-exporter
     - config
+  when: prometheus_host is defined
+
+- name: Configure Prometheus server to scrape us (k8s)
+  kubernetes.core.k8s:
+    definition:
+      apiVersion: v1
+      kind: ConfigMap
+      metadata:
+        name: "{{ prometheus_k8s_scrape.name }}"
+        namespace: "{{ prometheus_k8s_scrape.namespace }}"
+      data: "{{ _data|items2dict }}"
+  vars:
+    _data:
+      - key: "node_{{ ansible_fqdn }}.yml"
+        value: "{{ lookup('template', 'scrape.yml.j2') }}"
+  delegate_to: localhost
+  tags:
+    - prometheus
+    - prometheus-exporter
+    - config
+  when: prometheus_k8s_scrape is defined
 
 - import_tasks: needrestart.yml
   when: node_exporter_needrestart