[Bug 1535962] Re: Config HP SAN with the lefhand driver

[James Page]

Hi Jaime

All backend cinder storage services should be integrated with the cinder
charm using a 'backend' subordinate charm.

The cinder-ceph charm follows this model as an example - so a new
cinder-lefthand charm would be the best way to implement this, so that a
single cinder deployment can support multiple storage backends.

I'm going to mark this as a 'New Charm' bug for now.

** Summary changed:

- Config HP SAN with the lefhand driver
+ New charm: cinder-lefthand backend

** Package changed: cinder (Juju Charms Collection) => charms

** Changed in: charms
   Importance: Undecided => Wishlist

** Changed in: charms
       Status: New => Triaged

** Summary changed:

- New charm: cinder-lefthand backend
+ New charm: cinder-lefthand backend charm

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https://bugs.launchpad.net/bugs/1535962

Title:
  New charm: cinder-lefthand backend charm

Status in Juju Charms Collection:
  Triaged

Bug description:
  I installed Ubuntu OpenStack with Autopilot and I integrated a HP SAN
  with the lefhand driver. For that, I defined the parameters in config-
  flags (string) at juju cinder config charm, that place the settings at
  the default section o cinder.conf. It connects with the san fine, but
  when I try to attach a volume it fails. The log:

  The operation failed: The server 'blade09' cannot be created because
  Initiator Node Name 'iqn.1993-08.org.debian:01:1353a18b1e7' is already
  in server 'blade05'.)

  I edited /var/lib/juju/agents/unit-
  cinder-2/charm/templates/cinder.conf and add to final of the file in
  each of the 3 cinder units:

  [lvm]
  hplefthand_api_url=https://172.16.4.200:8081/lhos
  hplefthand_username=admin
  hplefthand_password=admin
  hplefthand_clustername=CLUSTER1ROMA
  volume_driver=cinder.volume.drivers.san.hp.hp_lefthand_iscsi.HPLeftHandISCSIDriver
  hplefthand_iscsi_chap_enabled=false
  hplefthand_debug=false

  and service cinder-scheduler restart;service cinder-api
  restart;service cinder-volume restart;service tgt restart

  It works fine. ¿How can this config could be persistents using juju?

  Regards

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