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---+!! Installing and Configuring the Compute service (NOVA) %TOC% ---++ Configuring the Hypervisor (KVM) * Install virtualizzation !RPMs <verbatim> # yum install qemu-kvm qemu-img virt-manager libvirt libvirt-python python-virtinst libvirt-client bridge-utils # yum groupinstall Virtualization "Virtualization Client" "Virtualization Platform" "Virtualization Tools" # yum install openstack-utils memcached qpid-cpp-server openstack-nova dnsmasq-utils python-keystone-auth-token </verbatim> * Pre-configured the network (di default viene su cosė). <verbatim> # ifconfig virbr0 virbr0 Link encap:Ethernet HWaddr 52:54:00:54:65:A1 inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:45 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:7585 (7.4 KiB) </verbatim> * Configuration requirements with RHEL * Ensure auth=no is set in =/etc/qpidd.conf=. * use the openstack-config package to turn off force DHCP releases: =sudo openstack-config --set /etc/nova/nova.conf DEFAULT force_dhcp_release False= (Non viene mostrato nessun output ma modificato il file di configurazione.) * If you intend to use guest images that don't have a single partition, then allow libguestfs to inspect the image so that files can be injected, by setting: =sudo openstack-config --set /etc/nova/nova.conf DEFAULT libvirt_inject_partition -1= (Non viene mostrato nessun output ma modificato il file di configurazione.) ---++ Configuring OpenStack Compute Da modificare due file: * =nova.conf= %TWISTY{ mode="div" showlink=" *nova.conf* " hidelink=" *nova.conf* " remember="off" firststart="hide" showimgright="%ICONURLPATH{toggleopen}%" hideimgright="%ICONURLPATH{toggleclose}%" }% <verbatim> [DEFAULT] # LOG/STATE logdir = /var/log/nova verbose = True state_path = /var/lib/nova lock_path = /var/lib/nova/tmp # AUTHENTICATION auth_strategy = keystone # SCHEDULER #compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler # VOLUMES volume_group = vg_vol01 #volume_name_template = volume-%08x iscsi_helper = tgtadm # DATABASE del Cloud Controller sql_connection=mysql://nova:XXXXXX@131.154.101.242/nova # COMPUTE libvirt_type = kvm connection_type = libvirt #instance_name_template = instance-%08x #api_paste_config=/etc/nova/api-paste.ini #allow_resize_to_same_host=True # APIS #osapi_compute_extension=nova.api.openstack.compute.contrib.standard_extensions #ec2_dmz_host=192.168.206.130 #s3_host=192.168.206.130 # GLANCE #image_service=nova.image.glance.GlanceImageService #glance_api_servers=192.168.206.130:9292 # NETWORK network_manager = nova.network.manager.FlatDHCPManager force_dhcp_release = True dhcpbridge_flagfile = /etc/nova/nova.conf firewall_driver = nova.virt.libvirt.firewall.IptablesFirewallDriver # Change my_ip to match each host my_ip = 131.154.101.186 public_interface = eth0 #vlan_interface = eth0 flat_network_bridge = virbr0 flat_interface = eth0 fixed_range = 192.168.122.0/24 # NOVNC CONSOLE #novncproxy_base_url=http://192.168.206.130:6080/vnc_auto.html # Change vncserver_proxyclient_address and vncserver_listen to match each compute host vncserver_listen = 131.154.101.186 vncserver_proxyclient_address = 131.154.101.186 # Qpid qpid_hostname = stack-01.cnaf.infn.it rpc_backend = nova.rpc.impl_qpid # OTHER dhcpbridge = /usr/bin/nova-dhcpbridge injected_network_template = /usr/share/nova/interfaces.template libvirt_xml_template = /usr/share/nova/libvirt.xml.template libvirt_nonblocking = True libvirt_inject_partition = -1 vpn_client_template = /usr/share/nova/client.ovpn.template credentials_template = /usr/share/nova/novarc.template root_helper = sudo nova-rootwrap remove_unused_base_images = True </verbatim> %ENDTWISTY% * verificare che in fondo a =/etc/nova/api-paste.ini= ci siano le seguenti configurazioni (la parte prima non si tocca, 131.154.101.242 č l'ip di keystone ). %TWISTY{ mode="div" showlink=" *api-paste.ini* " hidelink=" *api-paste.ini* " remember="off" firststart="hide" showimgright="%ICONURLPATH{toggleopen}%" hideimgright="%ICONURLPATH{toggleclose}%" }% <verbatim> [...] [filter:authtoken] paste.filter_factory = keystone.middleware.auth_token:filter_factory service_protocol = http service_host = 131.154.101.242 service_port = 5000 auth_host = 131.154.101.242 auth_port = 35357 auth_protocol = http auth_uri = http://131.154.101.242:5000/ admin_tenant_name = service admin_user = nova admin_password = XXXXXXX </verbatim> %ENDTWISTY% * lanciare i seguenti comandi: <verbatim> # for svc in api objectstore compute network volume scheduler cert; do echo openstack-nova-$svc; service openstack-nova-$svc stop ; chkconfig openstack-nova-$svc on; done # nova-manage db sync # for svc in api objectstore compute network volume scheduler cert; do echo openstack-nova-$svc; /etc/init.d/openstack-nova-$svc start ; done </verbatim> * Sul Cloud controller, verificare lo stato dei NOVA compute (non vengono riportati di seguito alcuni WARNING): <verbatim> # nova-manage service list Binary Host Zone Status State Updated_At nova-scheduler stack-03.cnaf.infn.it nova enabled :-) 2012-08-31 09:46:24 nova-compute stack-03.cnaf.infn.it nova enabled :-) 2012-08-31 09:46:26 nova-network stack-03.cnaf.infn.it nova enabled :-) 2012-08-31 09:46:25 nova-cert stack-03.cnaf.infn.it nova enabled :-) 2012-08-31 09:46:24 nova-volume stack-03.cnaf.infn.it nova enabled :-) 2012-08-31 09:46:24 </verbatim> * You must run the command that creates the network and the bridge using the =virbr0= specified in the =nova.conf= file to create the network that the virtual machines use. This example shows the network range using 192.168.122.0/24 as the fixed range for our guest !VMs, but you can substitute the range for the network you have available. We're labeling it with _private_ in this case. <verbatim> # nova-manage network create private --multi_host=T --fixed_range_v4=192.168.122.0/24 --bridge_interface=virbr0 --num_networks=1 --network_size=256 # nova-manage network list id IPv4 IPv6 start address DNS1 DNS2 VlanID project uuid 1 192.168.122.0/24 None 192.168.122.2 8.8.4.4 None None None 052f9b4b-e6d7-4ad9-a3f1-929e80008372 </verbatim> -- Main.PaoloVeronesi - 2012-08-30
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Topic revision: r12 - 2012-08-31
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PaoloVeronesi
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