initial commit

roles/zfs/tasks/main.yml

@@ -0,0 +1,44 @@
+---
+
+- name: install zfs-release package (RHEL/CentOS)
+  yum:
+    name: "http://download.zfsonlinux.org/epel/zfs-release.el7_5.noarch.rpm"
+    state: present
+  when: ansible_distribution in ["CentOS" , "Red Hat Enterprise Linux" ]
+
+- name: install zfs-release package (Fedora)
+  dnf:
+    name: "http://download.zfsonlinux.org/fedora/zfs-release.fc29.noarch.rpm"
+    state: present
+  when: ansible_distribution in ["Fedora"] and not is_atomic
+
+- name: install zfs and dkms
+  package:
+    name: "{{ item }}"
+    state: present
+  with_items:
+  - kernel-devel
+  - "@Development tools"
+  - dkms
+  - zfs
+  register: zfs_installed
+  when: not is_atomic
+
+- name: load zfs module
+  modprobe:
+    name: zfs
+    state: present
+
+- name: add zfs to modules-load.d
+  copy:
+    dest: "/etc/modules-load.d/zfs.conf"
+    content: |
+      zfs
+
+#- name: set zfs_arc_max to 75% installed memory ({{ arc_size_bytes }} bytes)
+#  lineinfile:
+#    path: "/etc/modprobe.d/zfs.conf"
+#    regexp: '^options zfs zfs_arc_max='
+#    line: 'options zfs zfs_arc_max="{{ arc_size_bytes }}"'
+#    create: yes
+#    commented out, does not adjust to 75% of each host, leading to disproportionate allocations