[Kimchi-devel] [PATCHv3 3/8] Change 'cdrom' to a optional param

From: Royce Lv <lvroyce(a)linux.vnet.ibm.com&gt; Multiple files modification for change 'cdrom' to optional param. Signed-off-by: Royce Lv <lvroyce(a)linux.vnet.ibm.com&gt; --- src/kimchi/control/templates.py | 2 +- src/kimchi/i18n.py | 2 +- src/kimchi/imageinfo.py | 19 ++++++++++++++++++- src/kimchi/mockmodel.py | 27 +++++++++++++++++++++------ src/kimchi/model/templates.py | 13 ++++++++----- src/kimchi/vmtemplate.py | 37 +++++++++++++++++++++++++++---------- tests/test_rest.py | 2 +- tests/test_vmtemplate.py | 2 +- 8 files changed, 78 insertions(+), 26 deletions(-) diff --git a/src/kimchi/control/templates.py b/src/kimchi/control/templates.py index 907929f..65b6805 100644 --- a/src/kimchi/control/templates.py +++ b/src/kimchi/control/templates.py @@ -47,7 +47,7 @@ class Template(Resource): 'os_version': self.info['os_version'], 'cpus': self.info['cpus'], 'memory': self.info['memory'], - 'cdrom': self.info['cdrom'], + 'cdrom': self.info.get('cdrom', None), 'disks': self.info['disks'], 'storagepool': self.info['storagepool'], 'networks': self.info['networks'], diff --git a/src/kimchi/i18n.py b/src/kimchi/i18n.py index 0c3aae5..f872bee 100644 --- a/src/kimchi/i18n.py +++ b/src/kimchi/i18n.py @@ -118,7 +118,7 @@ messages = { "KCHTMPL0013E": _("Amount of memory (MB) must be an integer greater than 512"), "KCHTMPL0014E": _("Template CDROM must be a local or remote ISO file"), "KCHTMPL0015E": _("Invalid storage pool URI %(value)s specified for template"), - "KCHTMPL0016E": _("Specify an ISO image as CDROM to create a template"), + "KCHTMPL0016E": _("Specify an ISO image as CDROM or a base image to create a template"), "KCHTMPL0017E": _("All networks for the template must be specified in a list."), "KCHTMPL0018E": _("Must specify a volume to a template, when storage pool is iscsi or scsi"), "KCHTMPL0019E": _("The volume: %(volume)s in not in storage pool %(pool)s"), diff --git a/src/kimchi/imageinfo.py b/src/kimchi/imageinfo.py index f874ece..f4c6356 100644 --- a/src/kimchi/imageinfo.py +++ b/src/kimchi/imageinfo.py @@ -17,11 +17,28 @@ # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +import json import os import sys import guestfs -from kimchi.exception import ImageFormatError +from kimchi.exception import ImageFormatError, TimeoutExpired +from kimchi.utils import run_command, kimchi_log + + +def probe_img_info(path): + cmd = ["qemu-img", "info", "--output=json", path] + info = dict() + try: + out = run_command(cmd, 10)[0] + except TimeoutExpired: + kimchi_log.warning("Cannot decide format of base img %s", path) + return None + + info = json.loads(out) + info['virtual-size'] = info['virtual-size'] >> 30 + info['actual-size'] = info['actual-size'] >> 30 + return info def probe_image(image_path): diff --git a/src/kimchi/mockmodel.py b/src/kimchi/mockmodel.py index 0e45d1e..ccaa4d8 100644 --- a/src/kimchi/mockmodel.py +++ b/src/kimchi/mockmodel.py @@ -201,8 +201,10 @@ class MockModel(object): index += 1 cdrom = "hd" + string.ascii_lowercase[index + 1] - cdrom_params = {'dev': cdrom, 'path': t_info['cdrom'], 'type': 'cdrom'} - vm.storagedevices[cdrom] = MockVMStorageDevice(cdrom_params) + if t_info.get('cdrom'): + cdrom_params = { + 'dev': cdrom, 'path': t_info['cdrom'], 'type': 'cdrom'} + vm.storagedevices[cdrom] = MockVMStorageDevice(cdrom_params) self._mock_vms[name] = vm return name @@ -238,11 +240,24 @@ class MockModel(object): def templates_create(self, params): name = params.get('name', '').strip() + iso = params.get('cdrom') if not name: - iso = params['cdrom'] - iso_name = os.path.splitext(iso[iso.rfind('/') + 1:])[0] - name = iso_name + str(int(time.time() * 1000)) - params['name'] = name + if iso: + iso_name = os.path.splitext(iso[iso.rfind('/') + 1:])[0] + name = iso_name + str(int(time.time() * 1000)) + params['name'] = name + else: + raise InvalidParameter("KCHTMPL0008E") + + base_tmpl = False + if not iso: + if 'disks' in params: + for d in params['disks']: + if 'base' in d: + base_tmpl = True + break + if not base_tmpl: + raise InvalidParameter("KCHTMPL0016E") if name in self._mock_templates: raise InvalidOperation("KCHTMPL0001E", {'name': name}) diff --git a/src/kimchi/model/templates.py b/src/kimchi/model/templates.py index 60f4de5..0e07a78 100644 --- a/src/kimchi/model/templates.py +++ b/src/kimchi/model/templates.py @@ -40,9 +40,9 @@ class TemplatesModel(object): def create(self, params): name = params.get('name', '').strip() - iso = params['cdrom'] + iso = params.get('cdrom') # check search permission - if iso.startswith('/') and os.path.isfile(iso): + if iso and iso.startswith('/') and os.path.isfile(iso): user = UserTests().probe_user() ret, excp = probe_file_permission_as_user(iso, user) if ret is False: @@ -51,9 +51,12 @@ class TemplatesModel(object): 'err': excp}) if not name: - iso_name = os.path.splitext(iso[iso.rfind('/') + 1:])[0] - name = iso_name + str(int(time.time() * 1000)) - params['name'] = name + if iso: + iso_name = os.path.splitext(iso[iso.rfind('/') + 1:])[0] + name = iso_name + str(int(time.time() * 1000)) + params['name'] = name + else: + raise InvalidParameter('KCHTMPL0008E') conn = self.conn.get() pool_uri = params.get(u'storagepool', '') diff --git a/src/kimchi/vmtemplate.py b/src/kimchi/vmtemplate.py index 8d5217a..0903b7f 100644 --- a/src/kimchi/vmtemplate.py +++ b/src/kimchi/vmtemplate.py @@ -24,7 +24,8 @@ import urlparse from kimchi import osinfo -from kimchi.exception import InvalidParameter, IsoFormatError +from kimchi.exception import InvalidParameter, IsoFormatError, ImageFormatError +from kimchi.imageinfo import probe_image, probe_img_info from kimchi.isoinfo import IsoImage from kimchi.utils import check_url_path, pool_name_from_uri from lxml import etree @@ -54,6 +55,19 @@ class VMTemplate(object): iso_distro = iso_version = 'unknown' iso = args.get('cdrom', '') + # if ISO not specified and base disk image specified, + # prevent cdrom from filling automatically + if len(iso) == 0 and 'disks' in args: + for d in args['disks']: + if 'base' in d: + try: + distro, version = probe_image(d['base']) + except ImageFormatError: + pass + if 'size' not in d: + d['size'] = probe_img_info(d['base'])['virtual-size'] + break + if scan and len(iso) > 0: iso_distro, iso_version = self.get_iso_info(iso) if not iso.startswith('/'): @@ -84,6 +98,8 @@ class VMTemplate(object): raise InvalidParameter("KCHISO0001E", {'filename': iso}) def _get_cdrom_xml(self, libvirt_stream_protocols, qemu_stream_dns): + if 'cdrom' not in self.info: + return None bus = self.info['cdrom_bus'] dev = "%s%s" % (self._bus_to_dev[bus], string.lowercase[self.info['cdrom_index']]) @@ -325,13 +341,14 @@ drive=drive-%(bus)s0-1-0,id=%(bus)s0-1-0'/> libvirt_stream_protocols = kwargs.get('libvirt_stream_protocols', []) cdrom_xml = self._get_cdrom_xml(libvirt_stream_protocols, qemu_stream_dns) - - if not urlparse.urlparse(self.info['cdrom']).scheme in \ - libvirt_stream_protocols and params.get('iso_stream', False): - params['qemu-namespace'] = QEMU_NAMESPACE - params['qemu-stream-cmdline'] = cdrom_xml - else: - params['cdroms'] = cdrom_xml + if cdrom_xml: + if not urlparse.urlparse(self.info['cdrom']).scheme in \ + libvirt_stream_protocols and \ + params.get('iso_stream', False): + params['qemu-namespace'] = QEMU_NAMESPACE + params['qemu-stream-cmdline'] = cdrom_xml + else: + params['cdroms'] = cdrom_xml xml = """ <domain type='%(domain)s' %(qemu-namespace)s> @@ -414,8 +431,8 @@ drive=drive-%(bus)s0-1-0,id=%(bus)s0-1-0'/> # validate iso integrity # FIXME when we support multiples cdrom devices - iso = self.info['cdrom'] - if not (os.path.isfile(iso) or check_url_path(iso)): + iso = self.info.get('cdrom') + if iso and not (os.path.isfile(iso) or check_url_path(iso)): invalid['cdrom'] = [iso] self.info['invalid'] = invalid diff --git a/tests/test_rest.py b/tests/test_rest.py index 54209ef..97668e7 100644 --- a/tests/test_rest.py +++ b/tests/test_rest.py @@ -1068,7 +1068,7 @@ class RestTests(unittest.TestCase): self.assertEquals(200, resp.status) self.assertEquals(0, len(json.loads(resp.read()))) - # Create a template without cdrom fails with 400 + # Create a template without cdrom and disk specified fails with 400 t = {'name': 'test', 'os_distro': 'ImagineOS', 'os_version': '1.0', 'memory': 1024, 'cpus': 1, 'storagepool': '/storagepools/alt'} diff --git a/tests/test_vmtemplate.py b/tests/test_vmtemplate.py index 821ca24..319f250 100644 --- a/tests/test_vmtemplate.py +++ b/tests/test_vmtemplate.py @@ -29,7 +29,7 @@ class VMTemplateTests(unittest.TestCase): def test_minimal_construct(self): fields = (('name', 'test'), ('os_distro', 'unknown'), ('os_version', 'unknown'), ('cpus', 1), - ('memory', 1024), ('cdrom', ''), ('networks', ['default']), + ('memory', 1024), ('networks', ['default']), ('disk_bus', 'ide'), ('nic_model', 'e1000'), ('graphics', {'type': 'vnc', 'listen': '0.0.0.0'})) -- 1.8.3.2