Openshift_install_fedora - Jack Of all Trades, Master of none

Docker rpm installation & configuration

Following step-by-step guide will allow you to install the latest version of docker and openshift origin on Fedora 27.

remove old versions of docker

$ sudo dnf remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-selinux \
                  docker-engine-selinux \
                  docker-engine

setup docker repository

install dnf-plugins-core which provides command line tools to manage your dnf repo.
```
$ sudo dnf -y install dnf-plugins-core
```

configure the stable fedora repository

$ sudo dnf config-manager \
  --add-repo \
  https://download.docker.com/linux/fedora/docker-ce.repo

Optional: enable the edge and test repos, which are disabled by default in the docker.repo

$ sudo dnf config-manager --set-enabled docker-ce-edge
$ sudo dnf config-manager --set-enabled docker-ce-test

Install Docker-CE

Install latest version of Docker-ce

$ sudo dnf install docker-ce-17.12.1.ce-1.fc27.x86_64

Currently, docker versions greater then 17.12 do not work correctly with openshift v3.9.0. If you use a more recent version, you will likely see the following expception "linux mounts: Could not find source mount of /var/lib/origin/openshift.local.volumes"

Start Docker
```
$ sudo systemctl start docker
```

verfiy that the docker deamon is running correctly by running the hello-world image

$ sudo docker run hello-world

If installation has been successfull, you should see the following terminal output

   # sudo docker run hello-world

     Hello from Docker!
     This message shows that your installation appears to be working correctly.

create docker group to manage docker service
```
$ sudo groupadd docker
```

add current user to docker group

$ sudo usermod -aG docker $USER

or a specific user

$ sudo usermod -aG docker bob

Log out and log back in again to ensure user has picked up the new group membership
Test that you can use the docker service without sudo
```
$ docker run hello-world
```

Openshift installation & configuration

Download the binary from the Releases page. https://www.openshift.org/download.html

Unpackage openshift server

$ tar xvf openshift-origin-server-v3.9.0-191fece-linux-64bit.tar.gz

Unpackage openshift client tool

$ tar xvf openshift-origin-client-tools-v3.9.0-191fece-linux-64bit.tar.gz

Ensure required packages are installed

$ dnf install wget git net-tools bind-utils dnf-utils iptables-services bridge-utils bash-completion kexec-tools sos psacct

Ensure system is up to date
```
$ dnf update
```
Add the directory you untarred the release into to your path:
```
$ export PATH="$(pwd)":$PATH
```

Create a file /etc/docker/daemon.json with following content

{
    "insecure-registries" : [ "hostname.cloudapp.net:5000" ]
}

Restart docker

$ systemctl daemon-reload
$ systemctl restart docker

Launch the openshift cluster:

$ oc cluster up

If the above steps have been successful, you should see the following output

# sudo oc cluster up
Using nsenter mounter for OpenShift volumes
Using 127.0.0.1 as the server IP
Starting OpenShift using openshift/origin:v3.9.0 ...
OpenShift server started.

The server is accessible via web console at:
    https://127.0.0.1:8443

You are logged in as:
    User:     developer
    Password: <any value>

To login as administrator:
    oc login -u system:admin