[Kimchi-devel] [PATCH 3/4] Bug fix #1091: Allow to set disk performance options per guest and template
Aline Manera
alinefm at linux.vnet.ibm.com
Mon Mar 13 21:36:54 UTC 2017
HI Ramon,
How is that different from the previous patch? Should they me merged
together?
More comments below:
On 03/10/2017 08:19 PM, Ramon Medeiros wrote:
> Allow vmstorage creation passing disk bus
>
> Signed-off-by: Ramon Medeiros <ramonn at linux.vnet.ibm.com>
> ---
> API.json | 15 +++++++++++++++
> docs/API.md | 1 +
> model/vmstorages.py | 4 +++-
> vmtemplate.py | 19 ++++++++++++++++++-
> 4 files changed, 37 insertions(+), 2 deletions(-)
>
> diff --git a/API.json b/API.json
> index abe980c..bae9c9c 100644
> --- a/API.json
> +++ b/API.json
> @@ -658,6 +658,21 @@
> "error": "KCHTMPL0015E"
> }
> }
> + },
> + "cache": {
> + "description": "Cache options",
> + "type": "string",
> + "pattern": "^(none|writethrough|writeback|directsync|unsafe|default)$"
> + },
> + "io": {
> + "description": "I/O options",
> + "type": "string",
> + "pattern": "^(native|threads|default)$"
> + },
> + "bus": {
> + "description": "Bus disk",
> + "type": "string",
> + "pattern": "^(scsi|virtio|ide)$"
> }
> }
> },
> diff --git a/docs/API.md b/docs/API.md
> index 6f00600..3657db3 100644
> --- a/docs/API.md
> +++ b/docs/API.md
> @@ -243,6 +243,7 @@ Represents a snapshot of the Virtual Machine's primary monitor.
> * dir_path: s390x specific attribute to attach direct storage without libvirt
> * format: s390x specific attribute specify the format of direct storage
> * size: s390x specific attribute to specify the size of direct storage
> + * bus: Bus type of disk.
>
> ### Sub-resource: storage
> **URI:** /plugins/kimchi/vms/*:name*/storages/*:dev*
> diff --git a/model/vmstorages.py b/model/vmstorages.py
> index 007e88c..bf55300 100644
> --- a/model/vmstorages.py
> +++ b/model/vmstorages.py
> @@ -91,7 +91,9 @@ class VMStoragesModel(object):
> raise InvalidParameter("KCHVMSTOR0019E")
>
> dom = VMModel.get_vm(vm_name, self.conn)
> - params['bus'] = _get_device_bus(params['type'], dom)
> +
> + if params.get('bus') is None:
> + params['bus'] = _get_device_bus(params['type'], dom)
>
> if is_s390x() and params['type'] == 'disk' and 'dir_path' in params:
> if 'format' not in params:
> diff --git a/vmtemplate.py b/vmtemplate.py
> index 1acd4db..3f37d1a 100644
> --- a/vmtemplate.py
> +++ b/vmtemplate.py
> @@ -1,7 +1,7 @@
> #
> # Project Kimchi
> #
> -# Copyright IBM Corp, 2015-2016
> +# Copyright IBM Corp, 2015-2017
> #
> # This library is free software; you can redistribute it and/or
> # modify it under the terms of the GNU Lesser General Public
> @@ -144,6 +144,12 @@ class VMTemplate(object):
>
> keys = sorted(disk_info.keys())
>
> + # remove optional parameters
> + optional = ["bus", "io", "cache"]
> + for opt in optional:
> + if opt in keys:
> + keys.remove(opt)
> +
> if ((keys != sorted(basic_disk)) and
> (keys != sorted(ro_disk)) and
> (keys != sorted(base_disk))):
> @@ -253,6 +259,7 @@ class VMTemplate(object):
> return xml
>
> def _get_disks_xml(self, vm_uuid):
> + optional = ["io", "cache"]
Shouldn't be 'bus' in the list above?
> base_disk_params = {'type': 'disk', 'disk': 'file',
> 'bus': self.info['disk_bus']}
> logical_disk_params = {'format': 'raw'}
> @@ -267,6 +274,16 @@ class VMTemplate(object):
> params = dict(base_disk_params)
> params['format'] = disk['format']
> params['index'] = index
> +
> + # bus passed: overwrite
> + if disk.get("bus") is not None:
> + params["bus"] = disk.get("bus")
> +
> + # add optionals
> + for opt in optional:
> + if disk.get(opt) is not None:
> + params[opt] = disk[opt]
> +
> if disk.get('pool'):
> params.update(locals().get('%s_disk_params' %
> disk['pool']['type'], {}))
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