Revert "Drop linux capabilities and rework users/groups"

roles/network_plugin/calico/defaults/main.yml

@@ -20,23 +20,6 @@ global_as_num: "64512"
 # defaults. The value should be a number, not a string.
 # calico_mtu: 1500
 
-# Linux capabilities to be dropped for container engines
-calico_drop_cap:
-  - chown
-  - dac_override
-  - fowner
-  - fsetid
-  - kill
-  - setgid
-  - setuid
-  - setpcap
-  - net_bind_service
-  - net_raw
-  - sys_chroot
-  - mknod
-  - audit_write
-  - setfcap
-
 # Limits for apps
 calico_node_memory_limit: 500M
 calico_node_cpu_limit: 300m

roles/network_plugin/calico/rr/tasks/main.yml

@@ -12,8 +12,8 @@
     dest: "{{ calico_cert_dir }}"
     state: directory
     mode: 0750
-    owner: "{{ netplug_user }}"
-    group: "{{ netplug_group }}"
+    owner: root
+    group: root
 
 - name: Calico-rr | Link etcd certificates for calico-node
   file:
@@ -31,8 +31,8 @@
     path: /var/log/calico-rr
     state: directory
     mode: 0755
-    owner: "{{ netplug_user }}"
-    group: "{{ netplug_group }}"
+    owner: root
+    group: root
 
 - name: Calico-rr | Write calico-rr.env for systemd init file
   template: src=calico-rr.env.j2 dest=/etc/calico/calico-rr.env

roles/network_plugin/calico/rr/templates/calico-rr.service.j2

@@ -6,7 +6,7 @@ Requires=docker.service
 [Service]
 EnvironmentFile=/etc/calico/calico-rr.env
 ExecStartPre=-{{ docker_bin_dir }}/docker rm -f calico-rr
-ExecStart={{ docker_bin_dir }}/docker run --net=host \
+ExecStart={{ docker_bin_dir }}/docker run --net=host --privileged \
  --name=calico-rr \
  -e IP=${IP} \
  -e IP6=${IP6} \
@@ -16,10 +16,6 @@ ExecStart={{ docker_bin_dir }}/docker run --net=host \
  -e ETCD_KEY_FILE=${ETCD_KEY_FILE} \
  -v /var/log/calico-rr:/var/log/calico \
  -v {{ calico_cert_dir }}:{{ calico_cert_dir }}:ro \
-{% for c in calico_drop_cap %}
- --cap-drop={{ c }} \
-{% endfor %}
- -u {{ netplug_user_id }}:{{ netplug_group_id }} --group-add {{ etcd_cert_group }} \
  --memory={{ calico_rr_memory_limit|regex_replace('Mi', 'M') }} --cpu-shares={{ calico_rr_cpu_limit|regex_replace('m', '') }} \
  {{ calico_rr_image_repo }}:{{ calico_rr_image_tag }}
 

roles/network_plugin/calico/tasks/main.yml

@@ -9,16 +9,15 @@
   template:
     src: "cni-calico.conf.j2"
     dest: "/etc/cni/net.d/10-calico.conf"
-    owner: "{{ kubelet_user }}"
-    group: "{{ kubelet_group }}"
+    owner: kube
 
 - name: Calico | Create calico certs directory
   file:
     dest: "{{ calico_cert_dir }}"
     state: directory
     mode: 0750
-    owner: "{{ netplug_user }}"
-    group: "{{ netplug_group }}"
+    owner: root
+    group: root
 
 - name: Calico | Link etcd certificates for calico-node
   file:

roles/network_plugin/canal/tasks/main.yml

@@ -3,16 +3,15 @@
   template:
     src: "cni-canal.conf.j2"
     dest: "/etc/cni/net.d/10-canal.conf"
-    owner: "{{ kubelet_user }}"
-    group: "{{ kubelet_group }}"
+    owner: kube
 
 - name: Canal | Create canal certs directory
   file:
     dest: "{{ canal_cert_dir }}"
     state: directory
     mode: 0750
-    owner: "{{ netplug_user }}"
-    group: "{{ netplug_group }}"
+    owner: root
+    group: root
 
 - name: Canal | Link etcd certificates for canal-node
   file: