Remove pvc-flush references

This service causes more problems than it solves usually, so it is being
removed in the next PVC version.

oneshot/README.md

@@ -2,10 +2,12 @@
 
 This directory contains playbooks to assist in automating day-to-day maintenance of a PVC cluster. These playbooks can be used independent of the main `pvc.yml` and roles setup to automate tasks.
 
-## `update-pvc-cluster.yml`
+## `update-pvc-cluster.yml` and `reboot-pvc-cluster.yml`
 
 This playbook performs a sequential full upgrade on all nodes in a PVC cluster.
 
+The `reboot-pvc-cluster.yml` does the same shutdown and restart steps as `update-pvc-cluster.yml`, but forced for all hosts, and without the update part.
+
 ### Running the Playbook
 
 ```
@@ -36,7 +38,7 @@ For each host in the cluster sequentially, do:
 
 1. Flush the node, wait for all VMs to migrate, then wait 15 seconds
 
-1. Stop and disable the `pvc-flush` daemon, stop the `pvcnoded` and `zookeeper` daemons, then wait 15 seconds
+1. Stop the `pvcnoded` and `zookeeper` daemons, then wait 15 seconds
 
 1. Set Ceph OSD `noout` and stop all Ceph OSD, monitor, and manager processes, then wait 30 seconds
 
@@ -46,8 +48,6 @@ For each host in the cluster sequentially, do:
 
 1. Unflush the node, wait for all VMs to migrate, then wait 30 seconds
 
-1. Start and enable the `pvc-flush` daemon
-
 1. Reset any systemd failures
 
 1. Disable cluster maintenance mode, then wait 30 seconds

oneshot/reboot-pvc-cluster.yml

@@ -52,12 +52,6 @@
       become: no
       connection: local
 
-    - name: stop and disable PVC flush daemon cleanly
-      service:
-        name: pvc-flush
-        state: stopped
-        enabled: no
-
     - name: stop PVC daemon cleanly
       service:
         name: pvcnoded
@@ -150,12 +144,6 @@
       become: no
       connection: local
   
-    - name: start and enable PVC flush daemon cleanly
-      service:
-        name: pvc-flush
-        state: started
-        enabled: yes
-
     - name: reset any systemd failures
       command: systemctl reset-failed
 

oneshot/update-pvc-cluster.yml

@@ -92,12 +92,6 @@
           become: no
           connection: local
 
-        - name: stop and disable PVC flush daemon cleanly
-          service:
-            name: pvc-flush
-            state: stopped
-            enabled: no
-
         - name: stop PVC daemon cleanly
           service:
             name: pvcnoded
@@ -190,12 +184,6 @@
           become: no
           connection: local
   
-        - name: start and enable PVC flush daemon cleanly
-          service:
-            name: pvc-flush
-            state: started
-            enabled: yes
-
         - name: reset any systemd failures
           command: systemctl reset-failed
       when: freshness.changed

oneshot/upgrade-pvc-cluster_deb11.yml

@@ -44,12 +44,6 @@
       become: no
       connection: local
 
-    - name: stop and disable PVC flush daemon cleanly
-      service:
-        name: pvc-flush
-        state: stopped
-        enabled: no
-
     - name: stop PVC daemon cleanly
       service:
         name: pvcnoded
@@ -206,12 +200,6 @@
         seconds: 30
       become: no
       connection: local
-  
-    - name: start and enable PVC flush daemon cleanly
-      service:
-        name: pvc-flush
-        state: started
-        enabled: yes
 
     - name: reset any systemd failures
       command: systemctl reset-failed

roles/pvc/tasks/pvc/bootstrap.yml

@@ -46,6 +46,5 @@
     state: stopped
     enabled: yes
   with_items:
-    - pvc-flush.service
     - pvcnoded.service
     - pvc.target