Allow Cinder to use ZFSSA iSCSI volume service

Added configuration to enable Oracle ZFS Storage Appliance:
https://docs.openstack.org/cinder/pike/configuration/block-storage/drivers/zfssa-iscsi-driver.html

Change-Id: Id5807f0d4567e16a68283cace7e126eddc4dea20
Implements: blueprint zfssa-cinder-support

ansible/group_vars/all.yml

@@ -333,9 +333,10 @@ enable_cinder: "no"
 enable_cinder_backup: "yes"
 enable_cinder_backend_hnas_iscsi: "no"
 enable_cinder_backend_hnas_nfs: "no"
-enable_cinder_backend_iscsi: "no"
+enable_cinder_backend_iscsi: "{{ enable_cinder_backend_lvm | bool or enable_cinder_backend_hnas_iscsi | bool or enable_cinder_backend_zfssa_iscsi | bool }}"
 enable_cinder_backend_lvm: "no"
 enable_cinder_backend_nfs: "no"
+enable_cinder_backend_zfssa_iscsi: "no"
 enable_cloudkitty: "no"
 enable_congress: "no"
 enable_designate: "no"
@@ -366,7 +367,7 @@ enable_horizon_zun: "{{ enable_zun | bool }}"
 enable_hyperv: "no"
 enable_influxdb: "no"
 enable_ironic: "no"
-enable_iscsid: "{{ enable_cinder_backend_iscsi | bool or enable_cinder_backend_lvm | bool or enable_ironic | bool }}"
+enable_iscsid: "{{ enable_cinder_backend_iscsi | bool or enable_ironic | bool }}"
 enable_karbor: "no"
 enable_kuryr: "no"
 enable_magnum: "no"

ansible/roles/cinder/defaults/main.yml

@@ -136,6 +136,8 @@ cinder_backends:
     enabled: "{{ enable_cinder_backend_hnas_nfs | bool }}"
   - name: "vmwarevc-vmdk"
     enabled: "{{ cinder_backend_vmwarevc_vmdk | bool }}"
+  - name: "zfssa-iscsi"
+    enabled: "{{ enable_cinder_backend_zfssa_iscsi | bool }}"
 
 cinder_enabled_backends: "{{ cinder_backends|selectattr('enabled', 'equalto', true)|list }}"
 cinder_iscsi_helper: "tgtadm"
@@ -159,3 +161,16 @@ hnas_nfs_password:
 hnas_nfs_mgmt_ip0:
 hnas_nfs_svc0_volume_type:
 hnas_nfs_svc0_hdp:
+
+#############################################
+# Oracle ZFS Storage Appliance iSCSI driver
+#############################################
+zfssa_iscsi_backend: "zfssa_iscsi_backend"
+zfssa_iscsi_san_ip:
+zfssa_iscsi_login:
+zfssa_iscsi_password:
+zfssa_iscsi_pool:
+zfssa_iscsi_project:
+zfssa_iscsi_initiator_group:
+zfssa_iscsi_target_portal:
+zfssa_iscsi_target_interfaces:

ansible/roles/cinder/templates/cinder.conf.j2

@@ -162,6 +162,20 @@ vmware_cluster_name = {{ vmware_vcenter_cluster_name }}
 vmware_insecure = True
 {% endif %}
 
+{% if enable_cinder_backend_zfssa_iscsi | bool %}
+[zfssa-iscsi]
+volume_backend_name = {{ zfssa_iscsi_backend }}
+volume_driver = cinder.volume.drivers.zfssa.zfssaiscsi.ZFSSAISCSIDriver
+san_ip = {{ zfssa_iscsi_san_ip }}
+san_login = {{ zfssa_iscsi_login }}
+san_password = {{ zfssa_iscsi_password }}
+zfssa_pool = {{ zfssa_iscsi_pool }}
+zfssa_project = {{ zfssa_iscsi_project }}
+zfssa_initiator_group = {{ zfssa_iscsi_initiator_group }}
+zfssa_target_portal = {{ zfssa_iscsi_target_portal }}
+zfssa_target_interfaces = {{ zfssa_iscsi_target_interfaces }}
+{% endif %}
+
 [privsep_entrypoint]
 helper_command=sudo cinder-rootwrap /etc/cinder/rootwrap.conf privsep-helper --config-file /etc/cinder/cinder.conf
 

releasenotes/notes/add-zfssa-iscsi-as-cinder-volume-backend-cadd90a57fdc671b.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Allow cinder-volume to use Oracle ZFS Storage Appliance iSCSI backend.