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Provide more detailed logging around memory detection

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This should make it easier to troubleshoot low memory installation
failures from the logs.

https://pagure.io/freeipa/issue/8404

Signed-off-by: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>
This commit is contained in:
Rob Crittenden 2021-01-28 10:03:44 -05:00
parent 98a88bd719
commit 75c1b7ed34
1 changed files with 6 additions and 0 deletions
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6
ipaserver/install/installutils.py
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@ -1077,16 +1077,19 @@ def check_available_memory(ca=False):
if not ca:
minimum_suggested -= 150 * 1000 * 1000
if in_container():
logger.debug("container detected")
# cgroup v1
if os.path.exists(
'/sys/fs/cgroup/memory/memory.limit_in_bytes'
) and os.path.exists('/sys/fs/cgroup/memory/memory.usage_in_bytes'):
logger.debug("cgroup v1")
limit_file = '/sys/fs/cgroup/memory/memory.limit_in_bytes'
usage_file = '/sys/fs/cgroup/memory/memory.usage_in_bytes'
# cgroup v2
elif os.path.exists(
'/sys/fs/cgroup/memory.current'
) and os.path.exists('/sys/fs/cgroup/memory.max'):
logger.debug("cgroup v2")
limit_file = '/sys/fs/cgroup/memory.max'
usage_file = '/sys/fs/cgroup/memory.current'
else:
@ -1105,11 +1108,14 @@ def check_available_memory(ca=False):
if limit != 'max':
available = int(limit) - used
logger.debug("Max RAM %s, used RAM %s", limit, used)
if available is None:
# delay import of psutil. On import it opens files in /proc and
# can trigger a SELinux violation.
import psutil
available = psutil.virtual_memory().available
logger.debug(psutil.virtual_memory())
if available is None:
raise ScriptError(