From 0656a1fe1d45dce1eedf1f1a0eea815eb0e1f75d Mon Sep 17 00:00:00 2001
From: auricom <github@xpander.eml.cc>
Date: Tue, 20 Apr 2021 00:22:36 +0200
Subject: [PATCH] feat: rook-ceph nuke playbook

---
 .../home-cluster/host_vars/k3s-worker1.yml    |  6 +++
 .../home-cluster/host_vars/k3s-worker2.yml    |  6 +++
 .../home-cluster/host_vars/k3s-worker3.yml    |  6 +++
 server/ansible/playbooks/rook-ceph/nuke.yaml  | 48 +++++++++++++++++++
 4 files changed, 66 insertions(+)
 create mode 100644 server/ansible/playbooks/rook-ceph/nuke.yaml

diff --git a/server/ansible/inventory/home-cluster/host_vars/k3s-worker1.yml b/server/ansible/inventory/home-cluster/host_vars/k3s-worker1.yml
index ce00b6451..fc400c3db 100644
--- a/server/ansible/inventory/home-cluster/host_vars/k3s-worker1.yml
+++ b/server/ansible/inventory/home-cluster/host_vars/k3s-worker1.yml
@@ -7,3 +7,9 @@ ansible_user: "ubuntu"
 # ansible_ssh_pass: "ubuntu"
 # ansible_ssh_common_args: "-o UserKnownHostsFile=/dev/null"
 # ansible_become_pass: "ubuntu"
+
+# Set enabled to true to mark this host as running a distributed storage rook-ceph
+rook_ceph:
+  enabled: true
+  devices:
+  - /dev/nvme0n1
\ No newline at end of file
diff --git a/server/ansible/inventory/home-cluster/host_vars/k3s-worker2.yml b/server/ansible/inventory/home-cluster/host_vars/k3s-worker2.yml
index 88e57bab5..fef9cf6ae 100644
--- a/server/ansible/inventory/home-cluster/host_vars/k3s-worker2.yml
+++ b/server/ansible/inventory/home-cluster/host_vars/k3s-worker2.yml
@@ -7,3 +7,9 @@ ansible_user: "ubuntu"
 # ansible_ssh_pass: "ubuntu"
 # ansible_ssh_common_args: "-o UserKnownHostsFile=/dev/null"
 # ansible_become_pass: "ubuntu"
+
+# Set enabled to true to mark this host as running a distributed storage rook-ceph
+rook_ceph:
+  enabled: true
+  devices:
+  - /dev/nvme0n1
\ No newline at end of file
diff --git a/server/ansible/inventory/home-cluster/host_vars/k3s-worker3.yml b/server/ansible/inventory/home-cluster/host_vars/k3s-worker3.yml
index f565222fe..e9506663b 100644
--- a/server/ansible/inventory/home-cluster/host_vars/k3s-worker3.yml
+++ b/server/ansible/inventory/home-cluster/host_vars/k3s-worker3.yml
@@ -7,3 +7,9 @@ ansible_user: "ubuntu"
 # ansible_ssh_pass: "ubuntu"
 # ansible_ssh_common_args: "-o UserKnownHostsFile=/dev/null"
 # ansible_become_pass: "ubuntu"
+
+# Set enabled to true to mark this host as running a distributed storage rook-ceph
+rook_ceph:
+  enabled: true
+  devices:
+  - /dev/nvme0n1
\ No newline at end of file
diff --git a/server/ansible/playbooks/rook-ceph/nuke.yaml b/server/ansible/playbooks/rook-ceph/nuke.yaml
new file mode 100644
index 000000000..40ac2dbc0
--- /dev/null
+++ b/server/ansible/playbooks/rook-ceph/nuke.yaml
@@ -0,0 +1,48 @@
+---
+
+- hosts:
+  - worker-nodes
+  become: true
+  gather_facts: true
+  any_errors_fatal: true
+  pre_tasks:
+  - name: Pausing for 5 seconds...
+    pause:
+      seconds: 5
+  tasks:
+  - name: remove /var/lib/rook
+    become: true
+    ansible.builtin.file:
+      state: absent
+      path: "/var/lib/rook"
+    when:
+    - rook_ceph.enabled is defined
+    - rook_ceph.enabled
+  - name: zap the drives
+    become: true
+    ansible.builtin.shell: >
+      sgdisk --zap-all {{ item }} || true
+    loop:
+    - "{{ rook_ceph.devices }}"
+    when:
+    - rook_ceph.enabled is defined
+    - rook_ceph.enabled
+  - name: remove lvm partitions
+    become: true
+    ansible.builtin.shell: "{{ item }}"
+    loop:
+    - ls /dev/mapper/ceph--* | xargs -I% -- fuser --kill %
+    - ls /dev/mapper/ceph--* | xargs -I% -- dmsetup clear %
+    - ls /dev/mapper/ceph--* | xargs -I% -- dmsetup remove -f %
+    - ls /dev/mapper/ceph--* | xargs -I% -- rm -rf %
+    when:
+    - rook_ceph.enabled is defined
+    - rook_ceph.enabled
+  - name: wipe the block device
+    become: true
+    ansible.builtin.command: "wipefs -af {{ item }}"
+    with_items:
+    - "{{ rook_ceph.devices }}"
+    when:
+    - rook_ceph.enabled is defined
+    - rook_ceph.enabled
\ No newline at end of file