Allow separate Ceph replication network to be defined (#74)

Fixes #72

Author: mholasek

README.md

@@ -394,7 +394,8 @@ pve_zfs_enabled: no # Specifies whether or not to install and configure ZFS pack
 # pve_zfs_zed_email: "" # Should be set to an email to receive ZFS notifications
 pve_ceph_enabled: false # Specifies wheter or not to install and configure Ceph packages. See below for an example configuration.
 pve_ceph_repository_line: "deb http://download.proxmox.com/debian/ceph-nautilus buster main" # apt-repository configuration. Will be automatically set for 5.x and 6.x (Further information: https://pve.proxmox.com/wiki/Package_Repositories)
-pve_ceph_network: "{{ (ansible_default_ipv4.network +'/'+ ansible_default_ipv4.netmask) | ipaddr('net') }}" # Ceph cluster network
+pve_ceph_network: "{{ (ansible_default_ipv4.network +'/'+ ansible_default_ipv4.netmask) | ipaddr('net') }}" # Ceph public network
+# pve_ceph_cluster_network: "" # Optional, if the ceph cluster network is different from the public network (see https://pve.proxmox.com/pve-docs/chapter-pveceph.html#pve_ceph_install_wizard)
 pve_ceph_mon_group: "{{ pve_group }}" # Host group containing all Ceph monitor hosts
 pve_ceph_mds_group: "{{ pve_group }}" # Host group containing all Ceph metadata server hosts
 pve_ceph_osds: [] # List of OSD disks
@@ -568,6 +569,7 @@ This role can configure the Ceph storage system on your Proxmox hosts.
 ```
 pve_ceph_enabled: true
 pve_ceph_network: '172.10.0.0/24'
+pve_ceph_cluster_network: '172.10.1.0/24'
 pve_ceph_osds:
   # OSD with everything on the same device
   - device: /dev/sdc

tasks/ceph.yml

@@ -20,7 +20,10 @@
 
 - block:
   - name: Create initial Ceph config
-    command: 'pveceph init --network {{ pve_ceph_network }}'
+    command: "pveceph init --network {{ pve_ceph_network }}  \
+    {% if pve_ceph_cluster_network is defined  %} \
+                --cluster-network {{ pve_ceph_cluster_network }}
+    {% endif %}"
     args:
       creates: /etc/ceph/ceph.conf