rajujith

To enable TRACE level logging for CloudStack, we need to perform the following in all the management servers or the management server of interest.

1) Open the file  /etc/cloudstack/management/log4j-cloud.xml
Find the logging level for 'com.cloud' for example. 
 
<!-- ================ -->
   <!-- Limit categories -->
   <!-- ================ -->
   <category name="com.cloud">
     <priority value="DEBUG"/>

rajujith

#For ACS 4.18 and above
java -classpath /usr/share/cloudstack-common/lib/cloudstack-utils.jar com.cloud.utils.crypt.EncryptionCLI -d -i "$(grep -oP 'db.cloud.encrypt.secret=ENC\(\K[^\)]+(?=\))' /etc/cloudstack/management/db.properties)" -p "$(cat /etc/cloudstack/management/key)"


older versions:
===================


Grab the encrypted password from /etc/cloudstack/management/db.properties

rajujith

On global configuration set enable.additional.vm.configuration =true
set paramaters  name: allow.additional.vm.configuration.list.kvm
        value: devices,hostdev,driver,source,address,alias
        
update instance with the extraconfig:
  sample XML: 
  <devices> 
	<hostdev mode='subsystem' type='pci' managed='yes'>

rajujith

---
network:
  version: 2
  ethernets:
    eth0: {}
    eth1: {}
    eth2: {}
    eth3: {}
  bonds:
    bond0:

rajujith

echo "net.ipv4.ip_forward=1" | tee -a /etc/sysctl.conf
sysctl -p
apk add iptables
rc-update add iptables
iptables -A FORWARD -i eth2 -j ACCEPT
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
/etc/init.d/iptables save

apk add dhcp

rajujith

Find Networks without DHCP service: 
===================================

select n.id,n.name,n.network_offering_id from networks n inner join (select no.id,ns1.offering_id from network_offerings no left join (select ns.network_offering_id as offering_id from ntwk_offering_service_map ns where ns.service='dhcp' and ns.provider in ('VpcVirtualRoutergroup','VirtualRouter','VpcVirtualRouter')) as ns1 on no.id=ns1.offering_id where no.removed is null and no.traffic_type='guest' and ns1.offering_id is null) as nd on n.network_offering_id=nd.id and n.removed is null;

Networks not having vms
========================
select n.id,n.name,n.removed from networks n left join vm_network_map v on v.network_id=n.id where v.network_id is null and n.removed is null and n.name is not null;

Find primary storage utilization

rajujith

select vm_instance_id,usage_type,start_date from usage_vm_instance uvi inner join ( select type,created,resource_id,count(*) as count from usage_event where processed=0 and type in ('VM.CREATE','VM.START','VM.STOP','VM.DESTROY') group by resource_id,type,created having count > 1) ue on uvi.vm_instance_id=ue.resource_id and uvi.start_date=ue.created;