instack-undercloud via source

The user performing all of the installation steps on the virt host needs to have password-less sudo enabled. This step is NOT optional, you must create an additional user. Do not run the rest of the steps as root.

  sudo useradd stack
  sudo passwd stack  # specify a password
  echo "stack ALL=(root) NOPASSWD:ALL" | sudo tee -a /etc/sudoers.d/stack
  sudo chmod 0440 /etc/sudoers.d/stack
  sudo su - stack
  echo 'export LIBVIRT_DEFAULT_URI="qemu:///system"' >> ~/.bashrc
  source ~/.bashrc

Create initial directory for instack, and clone the needed repositories.

  mkdir instack
  cd instack
  git clone https://github.com/agroup/instack-undercloud
  git clone https://git.openstack.org/openstack/tripleo-incubator

Complete the initial setup.

  source instack-undercloud/instack-sourcerc
  tripleo install-dependencies
  tripleo set-usergroup-membership

Verify membership in the libvirtd group

  # verify you are in the libvirtd group
  id | grep libvirtd
  # if not, start a new shell to pick it up
  sudo su - stack
  cd instack
  source instack-undercloud/instack-sourcerc

Create the virtual environment.
```
  instack-virt-setup
```
Start instack vm.
```
  virsh start instack
```
ssh as the stack user (password is stack) to the instack vm
Clone instack-undercloud, source instack-sourcerc, and run script to install the undercloud from source. The script will produce a lot of output on the sceen. It also logs to ~/.instack/install-undercloud.log. You should see install-undercloud Complete! at the end of a successful run.
```
 # Set $LKG to use the last known good working commits
 export LKG=1
 git clone https://github.com/agroup/instack-undercloud
 source instack-undercloud/instack-sourcerc
 instack-install-undercloud-source
```
Once the install script has run to completion, copy the files /root/stackrc and /root/tripleo-undercloud-passwords into the stack user's home directory.
```
  sudo cp /root/tripleo-undercloud-passwords .
  sudo cp /root/stackrc .
```

That completes the Undercloud install. To proceed with deploying and using the Overcloud see Overcloud-source.

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instack-undercloud via source

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