#27 add nfs role

ansible/roles/nfs/defaults/main.yml

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+---
+nfs_exports: []

ansible/roles/nfs/handlers/main.yml

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+---
+- name: restart nfs
+  service: "name={{ nfs_server_daemon }} state=restarted"
+  when: nfs_exports|length

ansible/roles/nfs/meta/main.yml

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+---
+dependencies: []
+
+galaxy_info:
+  author: geerlingguy
+  description: NFS installation for Linux.
+  company: "Midwestern Mac, LLC"
+  license: "license (BSD, MIT)"
+  min_ansible_version: 2.0
+  platforms:
+    - name: EL
+      versions:
+      - all
+    - name: Fedora
+      versions:
+      - all
+    - name: Debian
+      versions:
+      - all
+    - name: Ubuntu
+      versions:
+      - all
+  galaxy_tags:
+    - system

ansible/roles/nfs/tasks/main.yml

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+---
+# Include variables and define needed variables.
+- name: Include OS-specific variables.
+  include_vars: "{{ ansible_os_family }}.yml"
+
+- name: Include overrides specific to RHEL 7.
+  include_vars: RedHat-7.yml
+  when: ansible_os_family == 'RedHat' and ansible_distribution_major_version == "7"
+
+- name: Include overrides specific to Fedora.
+  include_vars: Fedora.yml
+  when: ansible_os_family == 'RedHat' and ansible_distribution == "Fedora"
+
+# Setup/install tasks.
+- include: setup-RedHat.yml
+  when: ansible_os_family == 'RedHat'
+
+- include: setup-Debian.yml
+  when: ansible_os_family == 'Debian'
+
+- name: Ensure directories to export exist
+  file: 'path="{{ item.strip().split()[0] }}" state=directory'
+  with_items: "{{ nfs_exports }}"
+  notify: restart nfs
+
+- name: Copy exports file.
+  template:
+    src: exports.j2
+    dest: /etc/exports
+    owner: root
+    group: root
+    mode: 0644
+  register: nfs_exports_copy
+  notify: restart nfs
+
+- name: Restart NFS immediately if exports are updated.
+  service: "name={{ nfs_server_daemon }} state=restarted"
+  when: nfs_exports_copy.changed
+
+- name: Ensure nfs is running.
+  service: "name={{ nfs_server_daemon }} state=started enabled=yes"
+  when: nfs_exports|length

ansible/roles/nfs/tasks/setup-Debian.yml

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+---
+- name: Ensure NFS utilities are installed.
+  apt: "name={{ item }} state=installed"
+  with_items:
+    - nfs-common
+    - nfs-kernel-server

ansible/roles/nfs/tasks/setup-RedHat.yml

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+---
+- name: Ensure NFS utilities are installed.
+  package: name=nfs-utils state=installed
+
+- name: Ensure rpcbind is running.
+  service: name=rpcbind state=started enabled=yes

ansible/roles/nfs/templates/exports.j2

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+# /etc/exports: the access control list for filesystems which may be exported
+#   to NFS clients.  See exports(5).
+#
+# Example for NFSv2 and NFSv3:
+# /srv/homes       hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check)
+#
+# Example for NFSv4:
+# /srv/nfs4        gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check)
+# /srv/nfs4/homes  gss/krb5i(rw,sync,no_subtree_check)
+#
+{% for export in nfs_exports %}
+{{ export }}
+{% endfor %}

ansible/roles/nfs/tests/inventory

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+localhost

ansible/roles/nfs/tests/test.yml

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+---
+- hosts: localhost
+  remote_user: root
+  roles:
+    - ansible-role-nfs

ansible/roles/nfs/vars/Debian.yml

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+---
+nfs_server_daemon: nfs-kernel-server

ansible/roles/nfs/vars/Fedora.yml

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+---
+nfs_server_daemon: nfs-server

ansible/roles/nfs/vars/RedHat-7.yml

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+---
+nfs_server_daemon: nfs-server

ansible/roles/nfs/vars/RedHat.yml

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+---
+nfs_server_daemon: nfs