6:27 p.m.
Allow templates to set and update io, cache and bus of the disks.
Signed-off-by: Ramon Medeiros <ramonn(a)linux.vnet.ibm.com>
---
API.json | 15 +++++++++++++++
docs/API.md | 3 +++
model/vmstorages.py | 4 +++-
vmtemplate.py | 19 ++++++++++++++++++-
4 files changed, 39 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 1aa7308..2312002 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -344,6 +344,9 @@ Represents a snapshot of the Virtual Machine's primary monitor.
* format: Format of the image. Valid formats: qcow, qcow2, qed, raw, vmdk, vpc
* pool: Storage pool information
* name: URI of the storagepool where disk will be created
+ * io: Set io flag
+ * cache: Set cache flag
+ * bus: Set bus flag
* graphics *(optional)*: The graphics paramenters of this template
* type: The type of graphics. It can be VNC or spice or None.
* vnc: Graphical display using the Virtual Network
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"]
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'], {}))
--
2.9.3