Reduce log spam of verbose tasks (kubernetes-sigs#3806)

Added a loop_control label to a few tasks that flood our logs.

roles/etcd/tasks/gen_certs_script.yml

@@ -107,6 +107,8 @@
     - inventory_hostname in groups['etcd']
     - sync_certs|default(false)
     - inventory_hostname != groups['etcd'][0]
+  loop_control:
+    label: "{{ item.item }}"
 
 - set_fact:
     my_etcd_node_certs: ['ca.pem',

roles/kubernetes-apps/ansible/tasks/main.yml

@@ -61,6 +61,8 @@
     - dnsmasq
     - coredns
     - kubedns
+  loop_control:
+    label: "{{ item.item.file }}"
 
 - name: Kubernetes Apps | Netchecker
   import_tasks: tasks/netchecker.yml

roles/kubernetes-apps/cluster_roles/tasks/main.yml

@@ -50,6 +50,8 @@
   when:
     - inventory_hostname == groups['kube-master'][0]
     - not item is skipped
+  loop_control:
+    label: "{{ item.item.file }}"
 
 - name: Kubernetes Apps | Add ClusterRoleBinding to admit nodes
   template:

roles/kubernetes-apps/external_provisioner/local_volume_provisioner/tasks/main.yml

@@ -60,3 +60,5 @@
     state: "latest"
   with_items: "{{ local_volume_provisioner_manifests.results }}"
   when: inventory_hostname == groups['kube-master'][0]
+  loop_control:
+    label: "{{ item.item.file }}"

roles/kubernetes-apps/network_plugin/calico/tasks/main.yml

@@ -11,6 +11,8 @@
     - "{{ calico_node_manifests.results }}"
   when:
     - inventory_hostname == groups['kube-master'][0] and not item is skipped
+  loop_control:
+    label: "{{ item.item.file }}"
 
 - name: "calico upgrade complete"
   shell: "{{ bin_dir }}/calico-upgrade complete --no-prompts --apiconfigv1 /etc/calico/etcdv2.yml --apiconfigv3 /etc/calico/etcdv3.yml"

roles/kubernetes-apps/policy_controller/calico/tasks/main.yml

@@ -35,3 +35,5 @@
   when:
     - inventory_hostname == groups['kube-master'][0]
     - not item is skipped
+  loop_control:
+    label: "{{ item.item.file }}"