Fix cert paths for flannel/calico policy apps

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

roles/network_plugin/flannel/defaults/main.yml

@@ -16,3 +16,6 @@ flannel_memory_limit: 500M
 flannel_cpu_limit: 300m
 flannel_memory_requests: 256M
 flannel_cpu_requests: 150m
+
+flannel_cert_dir: /etc/flannel/certs
+etcd_cert_dir: /etc/ssl/etcd/ssl

roles/network_plugin/flannel/tasks/main.yml

@@ -7,6 +7,25 @@
   delegate_to: "{{groups['etcd'][0]}}"
   run_once: true
 
+- name: Flannel | Create flannel certs directory
+  file:
+    dest: "{{ flannel_cert_dir }}"
+    state: directory
+    mode: 0750
+    owner: root
+    group: root
+
+- name: Flannel | Link etcd certificates for flanneld
+  file:
+    src: "{{ etcd_cert_dir }}/{{ item.s }}"
+    dest: "{{ flannel_cert_dir }}/{{ item.d }}"
+    state: hard
+    force: yes
+  with_items:
+    - {s: "ca.pem", d: "ca_cert.crt"}
+    - {s: "node-{{ inventory_hostname }}.pem", d: "cert.crt"}
+    - {s: "node-{{ inventory_hostname }}-key.pem", d: "key.pem"}
+
 - name: Flannel | Create flannel pod manifest
   template:
     src: flannel-pod.yml

roles/network_plugin/flannel/templates/flannel-pod.yml

@@ -14,7 +14,7 @@
           path: "/run/flannel"
       - name: "etcd-certs"
         hostPath:
-          path: "{{ etcd_cert_dir }}"
+          path: "{{ flannel_cert_dir }}"
     containers:
       - name: "flannel-container"
         image: "{{ flannel_image_repo }}:{{ flannel_image_tag }}"
@@ -29,7 +29,7 @@
         command:
           - "/bin/sh"
           - "-c"
-          - "/opt/bin/flanneld -etcd-endpoints {{ etcd_access_endpoint }} -etcd-prefix /{{ cluster_name }}/network -etcd-cafile {{ etcd_cert_dir }}/ca.pem -etcd-certfile {{ etcd_cert_dir }}/node-{{ inventory_hostname }}.pem -etcd-keyfile {{ etcd_cert_dir }}/node-{{ inventory_hostname }}-key.pem {% if flannel_interface is defined %}-iface {{ flannel_interface }}{% endif %} {% if flannel_public_ip is defined %}-public-ip {{ flannel_public_ip }}{% endif %}"
+          - "/opt/bin/flanneld -etcd-endpoints {{ etcd_access_endpoint }} -etcd-prefix /{{ cluster_name }}/network -etcd-cafile {{ flannel_cert_dir }}/ca_cert.crt -etcd-certfile {{ flannel_cert_dir }}/cert.crt -etcd-keyfile {{ flannel_cert_dir }}/key.pem {% if flannel_interface is defined %}-iface {{ flannel_interface }}{% endif %} {% if flannel_public_ip is defined %}-public-ip {{ flannel_public_ip }}{% endif %}"
         ports:
           - hostPort: 10253
             containerPort: 10253
@@ -37,7 +37,7 @@
           - name: "subnetenv"
             mountPath: "/run/flannel"
           - name: "etcd-certs"
-            mountPath: "{{ etcd_cert_dir }}"
+            mountPath: "{{ flannel_cert_dir }}"
             readOnly: true
         securityContext:
           privileged: true