davidjumani commented on a change in pull request #5369:
URL: https://github.com/apache/cloudstack/pull/5369#discussion_r701574722
##########
File path: python/lib/cloudutils/serviceConfig.py
##########
@@ -495,6 +495,30 @@ def config(self):
logging.debug(formatExceptionInfo())
return False
+class hostConfig(serviceCfgBase):
+ def __init__(self, syscfg):
+ super(hostConfig, self).__init__(syscfg)
+ self.serviceName = "Host"
+
+ def config(self):
+ try:
+ cfo = configFileOps("/etc/cloudstack/agent/agent.properties", self)
+ reservedMemory =
float(cfo.getEntry("host.reserved.mem.mb").strip() or 1024)
+ totalMemory = float(bash("awk '/MemTotal/ { printf \"%.3f \\n\",
$2/1024 }' /proc/meminfo").getStdout().strip())
+ if totalMemory < reservedMemory or totalMemory < 4096 :
+ raise CloudRuntimeException("CloudStack requires a minimum of
4096 MB and more than %d MB memory since %d MB is reserved" %(reservedMemory,
reservedMemory))
Review comment:
By default 1 GB is reserved. Reading the value of `host.reserved.mem.mb`
or 1024 if not present
https://github.com/apache/cloudstack/blob/main/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java#L1038
Should I then update the docs since it says a min of 4GB is required?
http://docs.cloudstack.apache.org/en/latest/installguide/overview/_requirements.html#host-hypervisor-system-requirements
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