Move cluster roles and system namespace to new role

This should be done after kubeconfig is set for admin and
before network plugins are up.

cluster.yml

@@ -68,6 +68,8 @@
   roles:
     - { role: kubespray-defaults}
     - { role: kubernetes/master, tags: master }
+    - { role: kubernetes/client, tags: client }
+    - { role: kubernetes-apps/cluster_roles, tags: cluster-roles }
 
 - hosts: k8s-cluster
   any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
@@ -83,7 +85,6 @@
     - { role: kubernetes-apps/rotate_tokens, tags: rotate_tokens, when: "secret_changed|default(false)" }
     - { role: kubernetes-apps/network_plugin, tags: network }
     - { role: kubernetes-apps/policy_controller, tags: policy-controller }
-    - { role: kubernetes/client, tags: client }
 
 - hosts: calico-rr
   any_errors_fatal: "{{ any_errors_fatal | default(true) }}"

extra_playbooks/upgrade-only-k8s.yml

@@ -47,6 +47,8 @@
     - { role: upgrade/pre-upgrade, tags: pre-upgrade }
     - { role: kubernetes/node, tags: node }
     - { role: kubernetes/master, tags: master }
+    - { role: kubernetes/client, tags: client }
+    - { role: kubernetes-apps/cluster_roles, tags: cluster-roles }
     - { role: upgrade/post-upgrade, tags: post-upgrade }
 
 #Finally handle worker upgrades, based on given batch size

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

@@ -5,26 +5,9 @@
   register: result
   until: result.status == 200
   retries: 10
-  delay: 6
+  delay: 2
   when: inventory_hostname == groups['kube-master'][0]
 
-- name: Kubernetes Apps | Add ClusterRoleBinding to admit nodes
-  template:
-    src: "node-crb.yml.j2"
-    dest: "{{ kube_config_dir }}/node-crb.yml"
-  register: node_crb_manifest
-  when: rbac_enabled
-
-- name: Apply workaround to allow all nodes with cert O=system:nodes to register
-  kube:
-    name: "system:node"
-    kubectl: "{{bin_dir}}/kubectl"
-    resource: "clusterrolebinding"
-    filename: "{{ kube_config_dir }}/node-crb.yml"
-  when:
-    - rbac_enabled
-    - node_crb_manifest.changed
-
 - name: Kubernetes Apps | Delete old kubedns resources
   kube:
     name: "kubedns"

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

@@ -0,0 +1,55 @@
+---
+- name: Kubernetes Apps | Wait for kube-apiserver
+  uri:
+    url: "{{ kube_apiserver_insecure_endpoint }}/healthz"
+  register: result
+  until: result.status == 200
+  retries: 10
+  delay: 6
+  when: inventory_hostname == groups['kube-master'][0]
+
+- name: Kubernetes Apps | Add ClusterRoleBinding to admit nodes
+  template:
+    src: "node-crb.yml.j2"
+    dest: "{{ kube_config_dir }}/node-crb.yml"
+  register: node_crb_manifest
+  when: rbac_enabled
+
+- name: Apply workaround to allow all nodes with cert O=system:nodes to register
+  kube:
+    name: "system:node"
+    kubectl: "{{bin_dir}}/kubectl"
+    resource: "clusterrolebinding"
+    filename: "{{ kube_config_dir }}/node-crb.yml"
+  when:
+    - rbac_enabled
+    - node_crb_manifest.changed
+
+# This is not a cluster role, but should be run after kubeconfig is set on master
+- name: Write kube system namespace manifest
+  template:
+    src: namespace.j2
+    dest: "{{kube_config_dir}}/{{system_namespace}}-ns.yml"
+  when: inventory_hostname == groups['kube-master'][0]
+  tags:
+    - apps
+
+- name: Check if kube system namespace exists
+  command: "{{ bin_dir }}/kubectl get ns {{system_namespace}}"
+  register: 'kubesystem'
+  changed_when: False
+  failed_when: False
+  when: inventory_hostname == groups['kube-master'][0]
+  tags:
+    - apps
+
+- name: Create kube system namespace
+  command: "{{ bin_dir }}/kubectl create -f {{kube_config_dir}}/{{system_namespace}}-ns.yml"
+  retries: 4
+  delay: "{{ retry_stagger | random + 3 }}"
+  register: create_system_ns
+  until: create_system_ns.rc == 0
+  changed_when: False
+  when: inventory_hostname == groups['kube-master'][0] and kubesystem.rc != 0
+  tags:
+    - apps

roles/kubernetes/master/tasks/static-pod-setup.yml

@@ -9,34 +9,6 @@
 
 - meta: flush_handlers
 
-- name: Write kube system namespace manifest
-  template:
-    src: namespace.j2
-    dest: "{{kube_config_dir}}/{{system_namespace}}-ns.yml"
-  when: inventory_hostname == groups['kube-master'][0]
-  tags:
-    - apps
-
-- name: Check if kube system namespace exists
-  command: "{{ bin_dir }}/kubectl get ns {{system_namespace}}"
-  register: 'kubesystem'
-  changed_when: False
-  failed_when: False
-  when: inventory_hostname == groups['kube-master'][0]
-  tags:
-    - apps
-
-- name: Create kube system namespace
-  command: "{{ bin_dir }}/kubectl create -f {{kube_config_dir}}/{{system_namespace}}-ns.yml"
-  retries: 4
-  delay: "{{ retry_stagger | random + 3 }}"
-  register: create_system_ns
-  until: create_system_ns.rc == 0
-  changed_when: False
-  when: inventory_hostname == groups['kube-master'][0] and kubesystem.rc != 0
-  tags:
-    - apps
-
 - name: Write kube-scheduler kubeconfig
   template:
     src: kube-scheduler-kubeconfig.yaml.j2

upgrade-cluster.yml

@@ -67,6 +67,8 @@
     - { role: upgrade/pre-upgrade, tags: pre-upgrade }
     - { role: kubernetes/node, tags: node }
     - { role: kubernetes/master, tags: master }
+    - { role: kubernetes/client, tags: client }
+    - { role: kubernetes-apps/cluster_roles, tags: cluster-roles }
     - { role: network_plugin, tags: network }
     - { role: upgrade/post-upgrade, tags: post-upgrade }