8 files changed, 139 insertions, 0 deletions
diff --git a/roles/node_prepare/defaults/main.yaml b/roles/node_prepare/defaults/main.yaml
new file mode 100644
index 0000000..3160f83
--- /dev/null
+++ b/roles/node_prepare/defaults/main.yaml
@@ -0,0 +1 @@
+nfs_daemon: nfs-kernel-server
+\ No newline at end of file
diff --git a/roles/node_prepare/handlers/main.yaml b/roles/node_prepare/handlers/main.yaml
new file mode 100644
index 0000000..73aa2ed
--- /dev/null
+++ b/roles/node_prepare/handlers/main.yaml
@@ -0,0 +1,7 @@
+---
+- name: restart nfs server
+  systemd:
+    name: "{{ nfs_daemon }}"
+    state: restarted
+    daemon_reload: "yes"
+  become: "yes"
diff --git a/roles/node_prepare/tasks/main.yaml b/roles/node_prepare/tasks/main.yaml
new file mode 100644
index 0000000..afbaeb4
--- /dev/null
+++ b/roles/node_prepare/tasks/main.yaml
@@ -0,0 +1,28 @@
+---
+# TODO: retrieve facts on Openstack to dynamically find subnet for etc export
+- name: install nfs
+  when: not use_global_storage
+  block:
+    - name: gather facts
+      setup:
+
+    - name: create nfs server on controller
+      import_tasks: nfs_server.yaml
+      when: inventory_hostname in groups['nfs-server']
+
+    - name: flush handlers
+      meta: flush_handlers
+
+    - name: mount dockerdata in nfs
+      import_tasks: nfs_client.yaml
+      when: inventory_hostname in groups['k8s-cluster'] and
+        inventory_hostname not in groups['nfs-server']
+
+    - name: put right value for max_map_count
+      become: "yes"
+      ansible.posix.sysctl:
+        name: vm.max_map_count
+        value: 1048575
+        sysctl_set: "yes"
+        state: present
+        reload: "yes"
diff --git a/roles/node_prepare/tasks/nfs_client.yaml b/roles/node_prepare/tasks/nfs_client.yaml
new file mode 100644
index 0000000..315fdab
--- /dev/null
+++ b/roles/node_prepare/tasks/nfs_client.yaml
@@ -0,0 +1,35 @@
+---
+- name: install packages
+  import_tasks: nfs_client_DEBIAN.yaml
+  when: ansible_os_family | lower == "debian"
+
+- name: Create mountable dir
+  become: "yes"
+  ansible.builtin.file:
+    path: "{{ nfs_folder }}"
+    state: directory
+    mode: 0777
+    owner: root
+    group: root
+
+- name: set mountpoints
+  become: "yes"
+  ansible.posix.mount:
+    name: "{{ nfs_folder }}"
+    src:
+      "{{ hostvars[groups['nfs-server'][0]].ansible_default_ipv4.address }}\
+      :{{ nfs_folder }}"
+    fstype: nfs4
+    dump: 0
+    passno: 2
+    opts: "nfsvers=4.1,rsize=131072,wsize=131072"
+    state: mounted
+
+- name: Ensure mountable dir is accessible to everyone
+  become: "yes"
+  ansible.builtin.file:
+    path: "{{ nfs_folder }}"
+    state: directory
+    mode: 0777
+    owner: root
+    group: root
diff --git a/roles/node_prepare/tasks/nfs_client_DEBIAN.yaml b/roles/node_prepare/tasks/nfs_client_DEBIAN.yaml
new file mode 100644
index 0000000..f3eb6ee
--- /dev/null
+++ b/roles/node_prepare/tasks/nfs_client_DEBIAN.yaml
@@ -0,0 +1,8 @@
+---
+- name: "[Debian] Ensure NFS utilities are installed."
+  include_role:
+    name: apt_install
+  vars:
+    environment: "{{ proxy_env }}"
+    packages:
+      - nfs-common
diff --git a/roles/node_prepare/tasks/nfs_server.yaml b/roles/node_prepare/tasks/nfs_server.yaml
new file mode 100644
index 0000000..6179172
--- /dev/null
+++ b/roles/node_prepare/tasks/nfs_server.yaml
@@ -0,0 +1,47 @@
+---
+- name: apply distribution specific tasks
+  include_tasks: "nfs_server_{{ ansible_os_family | upper }}.yaml"
+  when: >
+    ansible_os_family | lower == "debian" or
+    ansible_os_family | lower == "coreos"
+
+- name: retrieve server pdf information
+  ansible.builtin.set_fact:
+    server_pdf:
+      "{{ nodes | selectattr('name', 'in', inventory_hostname) | first }}"
+
+- name: create nfs volume
+  include_role:
+    name: create_disk
+  vars:
+    disks: "{{ server_pdf.disks }}"
+    disk_purpose: nfs
+    mount_path: "{{ nfs_folder }}"
+    force_full_erase: False
+  when: (server_pdf.disks | selectattr('name', 'eq', 'disk-nfs') |
+         list | length) > 0
+
+- name: Create mountable dir
+  become: "yes"
+  ansible.builtin.file:
+    path: "{{ nfs_folder }}"
+    state: directory
+    mode: 0777
+    owner: root
+    group: root
+
+- name: create file in order that nfs server is happy...
+  become: "yes"
+  ansible.builtin.file:
+    path: "{{ nfs_folder }}/do_not_remove"
+    state: touch
+
+- name: copy /etc/exports
+  become: "yes"
+  ansible.builtin.lineinfile:
+    path: /etc/exports
+    owner: root
+    group: root
+    regexp: "^{{ nfs_folder }}"
+    line: "{{ nfs_folder }}   *(rw,async,no_root_squash,no_subtree_check)"
+  notify: restart nfs server
diff --git a/roles/node_prepare/tasks/nfs_server_COREOS.yaml b/roles/node_prepare/tasks/nfs_server_COREOS.yaml
new file mode 100644
index 0000000..ad59414
--- /dev/null
+++ b/roles/node_prepare/tasks/nfs_server_COREOS.yaml
@@ -0,0 +1,4 @@
+---
+- name: override default nfs daemon name
+  ansible.builtin.set_fact:
+    nfs_daemon: nfsd
diff --git a/roles/node_prepare/tasks/nfs_server_DEBIAN.yaml b/roles/node_prepare/tasks/nfs_server_DEBIAN.yaml
new file mode 100644
index 0000000..38b4d14
--- /dev/null
+++ b/roles/node_prepare/tasks/nfs_server_DEBIAN.yaml
@@ -0,0 +1,9 @@
+---
+- name: "[Debian] Ensure NFS utilities are installed."
+  include_role:
+    name: apt_install
+  vars:
+    environment: "{{ proxy_env }}"
+    packages:
+      - nfs-common
+      - nfs-kernel-server