9:50 p.m.
On 03/08/2016 05:22 PM, Jose Ricardo Ziviani wrote:
On 08-03-2016 15:26, Rodrigo Trujillo wrote:
> This patch changes the limits of max memory to 16TiB in PowerPC and 4TiB
> in x86 architectures.
>
> Signed-off-by: Rodrigo Trujillo <rodrigo.trujillo(a)linux.vnet.ibm.com>
> ---
> i18n.py | 2 +-
> model/templates.py | 12 ++++++++----
> tests/test_template.py | 5 +++--
> 3 files changed, 12 insertions(+), 7 deletions(-)
>
> diff --git a/i18n.py b/i18n.py
> index 008e327..707b74b 100644
> --- a/i18n.py
> +++ b/i18n.py
> @@ -133,7 +133,7 @@ messages = {
> "KCHVM0076E": _("VM %(name)s must have serial and console
> defined to open a web serial console"),
> "KCHVM0077E": _("Impossible to get the serial console of
> %(name)s"),
> "KCHVM0078E": _("Memory or Maximum Memory value is higher than
> amount supported by the host: %(memHost)sMiB."),
> - "KCHVM0079E": _("Memory or Maximum Memory value is higher than
> maximum amount recommended: 1TiB"),
> + "KCHVM0079E": _("Memory or Maximum Memory value is higher than
> maximum amount recommended: %(value)sTiB"),
> "KCHVM0080E": _("Cannot update Maximum Memory when guest is
> running."),
>
> "KCHVMHDEV0001E": _("VM %(vmid)s does not contain directly
> assigned host device %(dev_name)s."),
> diff --git a/model/templates.py b/model/templates.py
> index fb63dc1..ef725f5 100644
> --- a/model/templates.py
> +++ b/model/templates.py
> @@ -38,8 +38,10 @@ from wok.plugins.kimchi.vmtemplate import VMTemplate
>
> # In PowerPC, memories must be aligned to 256 MiB
> PPC_MEM_ALIGN = 256
> -# Max memory 1TB, in KiB
> -MAX_MEM_LIM = 1073741824
> +# Max memory 16TB for PPC and 4TiB for X (according to Red Hat), in KiB
> +MAX_MEM_LIM = 4294967296 # 4 TiB
> +if os.uname()[4] in ['ppc', 'ppc64', 'ppc64le']:
> + MAX_MEM_LIM = 4 * 4294967296 # 16TiB
You can write
MAX_MEM_LIM *= 4
instead of
MAX_MEM_LIM = 4 * 429...
because you already defined it before the 'if'
Sure :)
>
>
> class TemplatesModel(object):
> @@ -225,9 +227,11 @@ def validate_memory(memory):
> else:
> host_memory = psutil.TOTAL_PHYMEM >> 10 >> 10
>
> - # Memories must be lesser than 1TB and the Host memory limit
> + # Memories must be lesser than 16TiB (PPC) or 4TiB (x86) and the
> Host
> + # memory limit
> if (current > (MAX_MEM_LIM >> 10)) or (maxmem > (MAX_MEM_LIM
>>
> 10)):
> - raise InvalidParameter("KCHVM0079E")
> + raise InvalidParameter("KCHVM0079E",
> + {'value': str(MAX_MEM_LIM / (1024**3))})
> if (current > host_memory) or (maxmem > host_memory):
> raise InvalidParameter("KCHVM0078E", {'memHost':
host_memory})
>
> diff --git a/tests/test_template.py b/tests/test_template.py
> index 4a74955..fcb2e46 100644
> --- a/tests/test_template.py
> +++ b/tests/test_template.py
> @@ -29,6 +29,7 @@ from tests.utils import get_free_port, patch_auth,
> request, run_server
> from wok.plugins.kimchi.config import READONLY_POOL_TYPE
> from wok.plugins.kimchi.mockmodel import MockModel
> from wok.plugins.kimchi.model.featuretests import FeatureTests
> +from wok.plugins.kimchi.model.templates import MAX_MEM_LIM
>
>
> model = None
> @@ -227,8 +228,8 @@ class TemplateTests(unittest.TestCase):
> req = json.dumps({'memory': {'current': 2048}})
> resp = self.request(new_tmpl_uri, req, 'PUT')
> self.assertEquals(400, resp.status)
> - # - max memory greater than 1TiB limit
> - req = json.dumps({'memory': {'maxmemory': 1073741824 +
1024}})
> + # - max memory greater than limit: 16TiB to PPC and 4TiB to x86
> + req = json.dumps({'memory': {'maxmemory': MAX_MEM_LIM +
1024}})
> resp = self.request(new_tmpl_uri, req, 'PUT')
> self.assertEquals(400, resp.status)
> self.assertTrue('KCHVM0079E' in resp.read())
>