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Virtualization quickstart » History » Sprint/Milestone 13

kdelee@redhat.com, 07/28/2017 07:10 PM

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# Virtualization quickstart
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This quickstart guide has been tested on Fedora 25.
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Within code blocks, a prefix of `$` indicates that a command should be executed as a regular user, and `#` indicates that a command should be performed as root.
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## Option 1: Using libvirt and Virtual Machine Manager
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Install required packages:
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~~~
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# dnf install libvirt qemu-kvm kvm libguestfs-tools virt-install
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~~~
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Then, download an image for the OS you want to run in your VM. Fedora ISOs may be downloaded [from here](https://getfedora.org/en/workstation/download/).
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Launch the "Virtual Machine Manager" application and click:
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1\. File → New Virtual Machine  
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2\. Local install media → Browse to downloaded ISO  
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3\) Accept default settings
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### SETTING UP THE VM:
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1\. Start the VM with the "play button"  
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2\. Choose to install fedora:  
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3\. set hostname: give it a name other than localhost.  
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4\. make it meaningful  
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5\. set root password (weak one is OK)  
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6\. if you make a user, make sure to give them sudo access
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**NOTE**: If you make a user and forgot to give them sudo access, start the VM, open a terminal, and:
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~~~
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$ su
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# gpasswd --add admin wheel
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~~~
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Then restart.
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**WARNING**: `localhost` is a **bad** hostname. Each of your VMs should have a unique hostname. If you clone a VM, both hosts will have the same hostname. It is imperative that you change your a host's hostname before installing any pulp components, as Pulp uses its host's hostname, and Pulp can produce undefined behavior if its host's hostname is changed after the fact.
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To see your host's hostname, execute `hostname`. To change your host's hostname, run:
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~~~
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# hostnamectl set-hostname <new-hostname>
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~~~
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### SETTING UP ANSIBLE (on the VM):
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For details on Ansible, see the [Ansible documentation](https://docs.ansible.com/).
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Install Ansible:  
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For Fedora, you can install ansible without enabling any extra repos. For RHEL7 you will have to set up epel.
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*For RHEL 7 only*
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~~~
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$ wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
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# rpm -i epel-release-latest-7.noarch.rpm
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~~~
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~~~
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# dnf install ansible git
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~~~
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Download the pulp_packaging repo:
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~~~
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$ git clone https://github.com/pulp/pulp_packaging.git
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~~~
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Now we need to make a `hosts` file for Ansible. Use the results of the `hostname` command in the place of 'localhost':
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~~~
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$ cd pulp_packaging/ci/ansible
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$ echo "$(hostname)" > hosts
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~~~
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### Choosing what version of pulp to install
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To choose the version of pulp that you will install:
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  - edit `pulp_packaging/ci/ansible/roles/pulp/defaults/main.yaml`, or
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  - pass `-e pulp_version=2.14 -e pulp_build=beta` in the `ansible-playbook` invocation, or
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  - in hosts file, specify pulp_version and pulp_build on the same line as hostname, i.e. `name_of_host pulp_version=2.14 pulp_build=beta`
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Now you are ready to run the ansible playbook:
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~~~
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$ ansible-playbook -i hosts -e ansible_connection=local pulp_server.yaml 
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~~~
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For RHEL7 you will have to provide your RHN credentials as well,
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~~~
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$ ansible-playbook -i hosts -e ansible_connection=local pulp_server.yaml -e rhn_password=${RHN_PASS} -e rhn_pool${RHN_POOL} -e rhn_username=${RHN_USER}
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~~~
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## Option 2: Using Vagrant with either libvirt or docker
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See [Pulp Developer Setup](http://docs.pulpproject.org/dev-guide/contributing/dev_setup.html)