TripleO manual deployment

Tags: tripleo, openstack July 04, 2016

This is a brief recipe about how to manually install TripleO in a remote 32GB RAM box.

From the hypervisor run:

  #In this dev. env. /var is only 50GB, so I will create
  #a sym link to another location with more capacity.
  #It will take easily more tan 50GB deploying a 3+1 overcloud
  sudo mkdir -p /home/libvirt/
  sudo ln -sf /home/libvirt/ /var/lib/libvirt
  #Add default stack user
  sudo useradd stack
  echo "stack:stack" | chpasswd
  echo "stack ALL=(root) NOPASSWD:ALL" | sudo tee -a /etc/sudoers.d/stack
  sudo chmod 0440 /etc/sudoers.d/stack
  su - stack

  sudo yum -y install epel-release
  sudo yum -y install yum-plugin-priorities

  export TRIPLEO_ROOT=/home/stack
  export TRIPLEO_RELEASE=rdo-trunk-master-tripleo
  #export TRIPLEO_RELEASE=rdo-trunk-newton-tested
  export TRIPLEO_RELEASE_DEPS=centos7
  #export TRIPLEO_RELEASE_DEPS=centos7-newton
  
  #Repository configured pointing to above release!
  sudo curl -o /etc/yum.repos.d/delorean.repo https://buildlogs.centos.org/centos/7/cloud/x86_64/$TRIPLEO_RELEASE/delorean.repo
  sudo curl -o /etc/yum.repos.d/delorean-deps.repo https://trunk.rdoproject.org/$TRIPLEO_RELEASE_DEPS/delorean-deps.repo

  #Configure the undercloud deployment
  export NODE_DIST=centos7
  export NODE_CPU=4
  export NODE_MEM=9000
  export NODE_COUNT=6
  export UNDERCLOUD_NODE_CPU=4
  export UNDERCLOUD_NODE_MEM=9000
  export FS_TYPE=ext4

  sudo yum install -y instack-undercloud
  instack-virt-setup

In the hypervisor run the following command to log-in in the undercloud:

  ssh root@`sudo virsh domifaddr instack | grep $(tripleo get-vm-mac instack) | awk '{print $4}' | sed 's/\/.*$//'`

From the undercloud we will install all the packages:

  #Add a 4GB swap file to the Undercloud
  sudo dd if=/dev/zero of=/swapfile bs=1024 count=4194304
  sudo mkswap /swapfile
  #Turn ON the swap file
  sudo chmod 600 /swapfile
  sudo swapon /swapfile
  #Enable it on start
  sudo echo "/swapfile          swap            swap    defaults        0 0" >> /etc/fstab

  #Login as the stack user
  su - stack

  export TRIPLEO_ROOT=/home/stack
  sudo yum -y install yum-plugin-priorities

  export TRIPLEO_RELEASE=rdo-trunk-master-tripleo
  #export TRIPLEO_RELEASE=rdo-trunk-newton-tested
  export TRIPLEO_RELEASE_BRANCH=master
  #export TRIPLEO_RELEASE_BRANCH=stable/newton

  export USE_DELOREAN_TRUNK=1
  export DELOREAN_TRUNK_REPO="https://buildlogs.centos.org/centos/7/cloud/x86_64/$TRIPLEO_RELEASE/"
  export DELOREAN_REPO_FILE="delorean.repo"
  export FS_TYPE=ext4

  git clone -b $TRIPLEO_RELEASE_BRANCH https://github.com/openstack/tripleo-heat-templates
  git clone https://github.com/openstack-infra/tripleo-ci.git
  
  ./tripleo-ci/scripts/tripleo.sh --all

  # The last command will execute:
  #  repo_setup        --repo-setup
  #  undercloud        --undercloud
  #  overcloud_images  --overcloud-images
  #  register_nodes    --register-nodes
  #  introspect_nodes  --introspect-nodes
  #  overcloud_deploy  --overcloud-deploy

Once the undercloud it is fully installed, deploy an overcloud (The last command should have created an overcloud, this is needed if you need to deploy another one).

cd
openstack overcloud deploy \
--libvirt-type qemu \
--ntp-server pool.ntp.org \
--templates /home/stack/tripleo-heat-templates \
-e /home/stack/tripleo-heat-templates/overcloud-resource-registry-puppet.yaml \
-e /home/stack/tripleo-heat-templates/environments/puppet-pacemaker.yaml
#Also can be added:
#--control-scale 3 \
#--compute-scale 3 \
#--ceph-storage-scale 1 -e /home/stack/tripleo-heat-templates/environments/storage-environment.yaml

This will hopefully deploy the TripleO overcloud, if not, refer to the troubleshooting section in the official site.

#Configure a DNS for the OC subnet, do this before deploying the Overcloud
neutron subnet-update `neutron subnet-list -f value | awk '{print $1}'` --dns-nameserver 192.168.122.1

Updated 2016/11/25: instack-virt-setup env. vars. are defaulted to sane defaults, so they are optional now.


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