5 files changed, 57 insertions, 63 deletions
diff --git a/roles/openshift_node/tasks/main.yml b/roles/openshift_node/tasks/main.yml
index 754ecacaf..f56f24e12 100644
--- a/roles/openshift_node/tasks/main.yml
+++ b/roles/openshift_node/tasks/main.yml
@@ -14,33 +14,11 @@
 
 #### Disable SWAP #####
 # https://docs.openshift.com/container-platform/3.4/admin_guide/overcommit.html#disabling-swap-memory
-- name: Check for swap usage
-  command: grep "^[^#].*swap" /etc/fstab
-  # grep: match any lines which don't begin with '#' and contain 'swap'
-  changed_when: false
-  failed_when: false
-  register: swap_result
-
-- when:
-    - swap_result.stdout_lines | length > 0
-    - openshift_disable_swap | default(true) | bool
-  block:
-    - name: Disable swap
-      command: swapoff --all
-
-    - name: Remove swap entries from /etc/fstab
-      replace:
-        dest: /etc/fstab
-        regexp: '(^[^#].*swap.*)'
-        replace: '# \1'
-        backup: yes
-
-    - name: Add notice about disabling swap
-      lineinfile:
-        dest: /etc/fstab
-        line: '# OpenShift-Ansible Installer disabled swap per overcommit guidelines'
-        state: present
-#### End Disable Swap Block ####
+# swapoff is a custom module in lib_utils that comments out swap entries in
+# /etc/fstab and runs swapoff -a, if necessary.
+- name: Disable swap
+  swapoff: {}
+  when: openshift_disable_swap | default(true) | bool
 
 - name: include node installer
   include_tasks: install.yml
diff --git a/roles/openshift_node/tasks/node_system_container.yml b/roles/openshift_node/tasks/node_system_container.yml
index 06b879050..008f209d7 100644
--- a/roles/openshift_node/tasks/node_system_container.yml
+++ b/roles/openshift_node/tasks/node_system_container.yml
@@ -14,4 +14,23 @@
     - "DNS_DOMAIN={{ openshift.common.dns_domain }}"
     - "DOCKER_SERVICE={{ openshift_docker_service_name }}.service"
     - "MASTER_SERVICE={{ openshift_service_type }}.service"
+    - 'ADDTL_MOUNTS={{ l_node_syscon_add_mounts2 }}'
     state: latest
+  vars:
+    # We need to evaluate some variables here to ensure
+    # l_bind_docker_reg_auth is evaluated after registry_auth.yml has been
+    # processed.
+
+    # Determine if we want to include auth credentials mount.
+    l_node_syscon_auth_mounts_l: "{{ l_bind_docker_reg_auth | ternary(openshift_node_syscon_auth_mounts_l,[]) }}"
+
+    # Join any user-provided mounts and auth_mounts into a combined list.
+    l_node_syscon_add_mounts_l: "{{ openshift_node_syscon_add_mounts_l | union(l_node_syscon_auth_mounts_l) }}"
+
+    # We must prepend a ',' here to ensure the value is inserted properly into an
+    # existing json list in the container's config.json
+    # lib_utils_oo_l_of_d_to_csv is a custom filter plugin in roles/lib_utils/oo_filters.py
+    l_node_syscon_add_mounts: ",{{ l_node_syscon_add_mounts_l | lib_utils_oo_l_of_d_to_csv }}"
+    # if we have just a ',' then both mount lists were empty, we don't want to add
+    # anything to config.json
+    l_node_syscon_add_mounts2: "{{ (l_node_syscon_add_mounts != ',') | bool | ternary(l_node_syscon_add_mounts,'') }}"
diff --git a/roles/openshift_node/tasks/storage_plugins/iscsi.yml b/roles/openshift_node/tasks/storage_plugins/iscsi.yml
index a8048c42f..72415f9a6 100644
--- a/roles/openshift_node/tasks/storage_plugins/iscsi.yml
+++ b/roles/openshift_node/tasks/storage_plugins/iscsi.yml
@@ -1,6 +1,32 @@
 ---
 - name: Install iSCSI storage plugin dependencies
-  package: name=iscsi-initiator-utils state=present
+  package:
+    name: "{{ item }}"
+    state: present
   when: not openshift_is_atomic | bool
   register: result
   until: result is succeeded
+  with_items:
+    - iscsi-initiator-utils
+    - device-mapper-multipath
+
+- name: restart services
+  systemd:
+    name: "{{ item }}"
+    state: started
+    enabled: True
+  with_items:
+    - multipathd
+    - rpcbind
+
+- name: Template multipath configuration
+  template:
+    dest: "/etc/multipath.conf"
+    src: multipath.conf.j2
+    backup: true
+  when: not openshift_is_atomic | bool
+
+#enable multipath
+- name: Enable multipath
+  command: "mpathconf --enable"
+  when: not openshift_is_atomic | bool
diff --git a/roles/openshift_node/tasks/upgrade/config_changes.yml b/roles/openshift_node/tasks/upgrade/config_changes.yml
index dd9183382..15ac76f7d 100644
--- a/roles/openshift_node/tasks/upgrade/config_changes.yml
+++ b/roles/openshift_node/tasks/upgrade/config_changes.yml
@@ -27,28 +27,12 @@
     path: "/var/lib/cni/networks/openshift-sdn/"
     state: absent
 
-# Disable Swap Block (pre)
-- block:
-  - name: Remove swap entries from /etc/fstab
-    replace:
-      dest: /etc/fstab
-      regexp: '(^[^#].*swap.*)'
-      replace: '# \1'
-      backup: yes
-
-  - name: Add notice about disabling swap
-    lineinfile:
-      dest: /etc/fstab
-      line: '# OpenShift-Ansible Installer disabled swap per overcommit guidelines'
-      state: present
-
-  - name: Disable swap
-    command: swapoff --all
-
-  when:
-  - openshift_node_upgrade_swap_result | default(False) | bool
-  - openshift_disable_swap | default(true) | bool
-# End Disable Swap Block
+# https://docs.openshift.com/container-platform/3.4/admin_guide/overcommit.html#disabling-swap-memory
+# swapoff is a custom module in lib_utils that comments out swap entries in
+# /etc/fstab and runs swapoff -a, if necessary.
+- name: Disable swap
+  swapoff: {}
+  when: openshift_disable_swap | default(true) | bool
 
 - name: Apply 3.6 dns config changes
   yedit:
diff --git a/roles/openshift_node/tasks/upgrade_pre.yml b/roles/openshift_node/tasks/upgrade_pre.yml
index 3ae7dc6b6..aa1a75100 100644
--- a/roles/openshift_node/tasks/upgrade_pre.yml
+++ b/roles/openshift_node/tasks/upgrade_pre.yml
@@ -41,16 +41,3 @@
   vars:
     openshift_version: "{{ openshift_pkg_version | default('') }}"
   when: not openshift_is_containerized | bool
-
-# https://docs.openshift.com/container-platform/3.4/admin_guide/overcommit.html#disabling-swap-memory
-- name: Check for swap usage
-  command: grep "^[^#].*swap" /etc/fstab
-  # grep: match any lines which don't begin with '#' and contain 'swap'
-  changed_when: false
-  failed_when: false
-  register: swap_result
-
-# Set this fact here so we can use it during the next play, which is serial.
-- name: set_fact swap_result
-  set_fact:
-    openshift_node_upgrade_swap_result: "{{ swap_result.stdout_lines | length > 0 | bool }}"