Openstack Newton
Neste tutorial irei abordar a instalação do OpenStack Newton através do Packstack All-in-One.
Ambiente:
1 – Máquina virtual (VirtualBox).
Rede vboxnet0 Modo Promíscuo (Permitir Tudo)
3 – Sistema Operacional virtual (CentOS 7.2 x64)
Passo 1 – Update do sistema operacional
# yum update -y
Passo 2 – Desabilitando o Selinux (ambiente de teste, em produção não recomendo)
# vim /etc/selinux/config
SELINUX=disabled
Passo 3 – Ajustando os serviços de inicialização de rede
Obs: Por questões de controle o OpenStack não funciona em sistemas que tenham o serviço Network Manager (NetworkManager) habilitado
# systemctl stop NetworkManager # systemctl disable NetworkManager # systemctl mask NetworkManager # /sbin/chkconfig network on # systemctl restart network
Passo 3 – Reboot da máquina virtual
# reboot
Passo 4 – Instalação dos pacotes para Openstack Newton
# yum install centos-release-openstack-newton.noarch -y # yum update -y # yum install openstack-packstack -y
Passo 5 – Gerando o arquivo de configuração para instalação do Openstack Newton
# packstack --gen-answer-file=/root/newton-answer.txt
Passo 6 – Alterando algumas configurações do arquivo de configuração newton-answer.txt
# vim /root/newton-answer.txt
Incluindo na instalação o Manila (Responsável pelo sistema de arquivos compartilhado) e o Heat (Responsável pelo Load Balance)
29 CONFIG_MANILA_INSTALL=n para 29 CONFIG_MANILA_INSTALL=y 60 CONFIG_HEAT_INSTALL=n para 60 CONFIG_HEAT_INSTALL=y
Passo 6.1 – Definindo o tamanho do volume (Storage) do Cinder
# Create Cinder’s volumes group. This should only be done for testing # on a proof-of-concept installation of Cinder. This will create a # file-backed volume group and is not suitable for production usage. CONFIG_CINDER_VOLUMES_CREATE=y # Cinder’s volumes group size. Note that actual volume size will be # extended with 3% more space for VG metadata. CONFIG_CINDER_VOLUMES_SIZE=20G
Passo 7 – Instalando o OpenStack com o comando packstack
# packstack --answer-file=/root/newton-answer.txt
Após a instalação teremos algo como o exemplo abaixo:
**** Installation completed successfully ****** Additional information: * Time synchronization installation was skipped. Please note that unsynchronized time on server instances might be problem for some OpenStack components. * File /root/keystonerc_admin has been created on OpenStack client host 192.168.56.120. To use the command line tools you need to source the file. * To access the OpenStack Dashboard browse to http://192.168.56.120/dashboard . Please, find your login credentials stored in the keystonerc_admin in your home directory. * To use Nagios, browse to http://192.168.56.120/nagios username: nagiosadmin, password: 15a01664fdff41b6 * Because of the kernel update the host 192.168.56.120 requires reboot. * The installation log file is available at: /var/tmp/packstack/20161214-175346-ePto9V/openstack-setup.log * The generated manifests are available at: /var/tmp/packstack/20161214-175346-ePto9V/manifests
Passo 8 – Carregando o arquivo de senha do Openstack
# source /root/keystonerc_admin
Passo 9 – Ajustando a interface de rede para trabalhar como Bridge do tipo OVS (OpenVswitch)
# vim /etc/sysconfig/network-scripts/ifcfg-br1
Bridge
DEVICE=br-ex DEVICETYPE=ovs TYPE=OVSBridge OVSBOOTPROTO=none IPADDR=192.168.56.120 NETMASK=255.255.255.0 GATEWAY=192.168.56.1 DNS1=208.67.220.220 ONBOOT=yes
# vim /etc/sysconfig/network-scripts/ifcfg-enp0s3
Física
DEVICE=enp0s3 TYPE=OVSPort DEVICETYPE=ovs OVS_BRIDGE=br-ex ONBOOT=yes BOOTPROTO=none
Passo 10 – Reiniciando o serviço de rede
# systemctl restart network
Passo 11 -Instalando o pacote openstack-utils
# yum install openstack-utils -y
Passo 12 – Ajustando o tipo de virtualização:
Para KVM
# crudini --set /etc/nova/nova.conf libvirt virt_type kvm # openstack-service restart nova
Para QEMU
# crudini --set /etc/nova/nova.conf libvirt virt_type qemu # openstack-service restart nova # systemctl restart libvirtd
Passo 13 – Verificando o estado do Openstack com o comando openstack-status
[root@openstack ~(keystone_admin)]# openstack-status == Nova services == openstack-nova-api: active openstack-nova-compute: active openstack-nova-network: inactive (disabled on boot) openstack-nova-scheduler: active openstack-nova-cert: active openstack-nova-conductor: active openstack-nova-console: inactive (disabled on boot) openstack-nova-consoleauth: active openstack-nova-xvpvncproxy: inactive (disabled on boot) == Glance services == openstack-glance-api: active openstack-glance-registry: active == Keystone service == openstack-keystone: inactive (disabled on boot) == Horizon service == openstack-dashboard: active == neutron services == neutron-server: active neutron-dhcp-agent: active neutron-l3-agent: active neutron-metadata-agent: active neutron-openvswitch-agent: active neutron-metering-agent: active == Cinder services == openstack-cinder-api: active openstack-cinder-scheduler: active openstack-cinder-volume: active openstack-cinder-backup: active == Ceilometer services == openstack-ceilometer-api: inactive (disabled on boot) openstack-ceilometer-central: active openstack-ceilometer-compute: active openstack-ceilometer-collector: active openstack-ceilometer-notification: active == Heat services == openstack-heat-api: active openstack-heat-api-cfn: active openstack-heat-api-cloudwatch: inactive (disabled on boot) openstack-heat-engine: active == Support services == mariadb: active openvswitch: active dbus: active target: active rabbitmq-server: active memcached: active
Passo 14 – Verificando o arquivo keystonerc_admin. Neste arquivo contém a senha do usuário admin
# cat /root/keystonerc_admin
unset OS_SERVICE_TOKEN
export OS_USERNAME=admin
export OS_PASSWORD=a4dd23718791434d
export OS_AUTH_URL=http://192.168.56.120:5000/v2.0
export PS1='[\u@\h \W(keystone_admin)]\$ '
export OS_TENANT_NAME=admin
export OS_REGION_NAME=RegionOne
[root@openstack ~(keystone_admin)]#
Passo 15 – Resolvendo o problema de (Virtual Interface creation failed)
# vim /etc/nova/nova.conf
3265 vif_plugging_is_fatal=True Para 3265 vif_plugging_is_fatal=false 3281 vif_plugging_timeout=300 Para 3281 vif_plugging_timeout=0
Passo 16 – Reiniciando o nova-compute
# openstack-service restart nova-compute
Passo 17 – Habilitando o httpd para iniciar no boot do sistema operacional
# systemctl enable httpd
OBS: Para verificar os logs do compute, basta ler o arquivo abaixo:
# tail -f /var/log/nova/nova-compute.log
Passo 18 – Configurando a rede do Openstack pelo Horizion
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