Merge pull request #4797 from kwoodson/os_firewall_refactor

Refactor the firewall workflow.

4 files changed, 57 insertions, 6 deletions

diff --git a/roles/etcd/defaults/main.yaml b/roles/etcd/defaults/main.yaml
index c0d1d5946..d12d7a358 100644
--- a/roles/etcd/defaults/main.yaml
+++ b/roles/etcd/defaults/main.yaml
@@ -1,4 +1,7 @@
 ---
+r_etcd_firewall_enabled: True
+r_etcd_use_firewalld: False
+
 etcd_initial_cluster_state: new
 etcd_initial_cluster_token: etcd-cluster-1
 
@@ -7,4 +10,13 @@ etcd_listen_peer_urls: "{{ etcd_peer_url_scheme }}://{{ etcd_ip }}:{{ etcd_peer_
 etcd_advertise_client_urls: "{{ etcd_url_scheme }}://{{ etcd_ip }}:{{ etcd_client_port }}"
 etcd_listen_client_urls: "{{ etcd_url_scheme }}://{{ etcd_ip }}:{{ etcd_client_port }}"
 
+etcd_client_port: 2379
+etcd_peer_port: 2380
+
 etcd_systemd_dir: "/etc/systemd/system/{{ etcd_service }}.service.d"
+r_etcd_os_firewall_deny: []
+r_etcd_os_firewall_allow:
+- service: etcd
+  port: "{{etcd_client_port}}/tcp"
+- service: etcd peering
+  port: "{{ etcd_peer_port }}/tcp"
diff --git a/roles/etcd/meta/main.yml b/roles/etcd/meta/main.yml
index 689c07a84..9a955c822 100644
--- a/roles/etcd/meta/main.yml
+++ b/roles/etcd/meta/main.yml
@@ -17,11 +17,6 @@ galaxy_info:
   - system
 dependencies:
 - role: lib_openshift
-- role: os_firewall
-  os_firewall_allow:
-  - service: etcd
-    port: "{{etcd_client_port}}/tcp"
-  - service: etcd peering
-    port: "{{ etcd_peer_port }}/tcp"
+- role: lib_os_firewall
 - role: etcd_server_certificates
 - role: etcd_common
diff --git a/roles/etcd/tasks/firewall.yml b/roles/etcd/tasks/firewall.yml
new file mode 100644
index 000000000..4d0f6290a
--- /dev/null
+++ b/roles/etcd/tasks/firewall.yml
@@ -0,0 +1,40 @@
+---
+- when: r_etcd_firewall_enabled | bool and not r_etcd_use_firewalld | bool
+  block:
+  - name: Add iptables allow rules
+    os_firewall_manage_iptables:
+      name: "{{ item.service }}"
+      action: add
+      protocol: "{{ item.port.split('/')[1] }}"
+      port: "{{ item.port.split('/')[0] }}"
+    when: item.cond | default(True)
+    with_items: "{{ r_etcd_os_firewall_allow }}"
+
+  - name: Remove iptables rules
+    os_firewall_manage_iptables:
+      name: "{{ item.service }}"
+      action: remove
+      protocol: "{{ item.port.split('/')[1] }}"
+      port: "{{ item.port.split('/')[0] }}"
+    when: item.cond | default(True)
+    with_items: "{{ r_etcd_os_firewall_deny }}"
+
+- when: r_etcd_firewall_enabled | bool and r_etcd_use_firewalld | bool
+  block:
+  - name: Add firewalld allow rules
+    firewalld:
+      port: "{{ item.port }}"
+      permanent: true
+      immediate: true
+      state: enabled
+    when: item.cond | default(True)
+    with_items: "{{ r_etcd_os_firewall_allow }}"
+
+  - name: Remove firewalld allow rules
+    firewalld:
+      port: "{{ item.port }}"
+      permanent: true
+      immediate: true
+      state: disabled
+    when: item.cond | default(True)
+    with_items: "{{ r_etcd_os_firewall_deny }}"
diff --git a/roles/etcd/tasks/main.yml b/roles/etcd/tasks/main.yml
index 8c2f392ee..78e543ef1 100644
--- a/roles/etcd/tasks/main.yml
+++ b/roles/etcd/tasks/main.yml
@@ -6,6 +6,10 @@
     etcd_hostname: "{{ etcd_hostname }}"
     etcd_ip: "{{ etcd_ip }}"
 
+- name: setup firewall
+  include: firewall.yml
+  static: yes
+
 - name: Install etcd
   package: name=etcd{{ '-' + etcd_version if etcd_version is defined else '' }} state=present
   when: not etcd_is_containerized | bool