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| − | = Overview = | + | = Installation = |
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| − | This page describes the process to install OpenShift with [[libvirt]] based on [https://github.com/openshift/installer/blob/master/docs/dev/libvirt-howto.md Libvirt HOWTO].
| + | * [[OpenShift 4 Installation on Libvirt]] |
| − | | |
| − | = Installing Dependencies =
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| − | | |
| − | <pre>
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| − | $ yum install golang-bin gcc-c++ libvirt-devel dep
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| − | $ yum install libvirt libvirt-devel libvirt-daemon-kvm qemu-kvm
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| − | $ systemctl enable --now libvirtd
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| − | </pre>
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| − | | |
| − | = Environment Variables =
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| − | | |
| − | <pre>
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| − | $ export GOPATH=$HOME/go
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| − | $ export PATH=$PATH:$GOPATH/bin
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| − | $ export OS_OUTPUT_GOPATH=1
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| − | </pre>
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| − | | |
| − | = Configuring Permissions =
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| − | | |
| − | <pre>
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| − | $ cat <<EOF >> /etc/polkit-1/rules.d/80-libvirt.rules
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| − | polkit.addRule(function(action, subject) {
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| − | if (action.id == "org.libvirt.unix.manage" && subject.local && subject.active && subject.isInGroup("wheel")) {
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| − | return polkit.Result.YES;
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| − | }
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| − | });
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| − | EOF
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| − | </pre>
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| − | | |
| − | = Enabling IP Forwarding =
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| − | | |
| − | Make sure IP forwarding is enabled:
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| − | | |
| − | <pre>
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| − | $ sysctl net.ipv4.ip_forward
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| − | net.ipv4.ip_forward = 1
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| − | </pre>
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| − | | |
| − | = Configuring libvirt =
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| − | | |
| − | Edit /etc/libvirt/libvirtd.conf:
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| − | | |
| − | <pre>
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| − | listen_tls = 0
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| − | listen_tcp = 1
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| − | auth_tcp="none"
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| − | tcp_port = "16509"
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| − | </pre>
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| − | | |
| − | Edit /etc/sysconfig/libvirtd:
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| − | | |
| − | <pre>
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| − | LIBVIRTD_ARGS="--listen"
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| − | </pre>
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| − | | |
| − | Then:
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| − | | |
| − | <pre>
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| − | $ systemctl restart libvirtd
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| − | </pre>
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| − | | |
| − | = Configuring Firewall =
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| − | | |
| − | Either disable firewall or allow connections from the IP range used by the cluster nodes. See [[Firewall]].
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| − | | |
| − | = Configuring Storage Pool =
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| − | | |
| − | Make sure a default storage pool has been defined. See [[libvirt]].
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| − | | |
| − | = Configure NetworkManager DNS Overlay =
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| − | | |
| − | Configure NetworkManager to use dnsmasq:
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| − | | |
| − | <pre>
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| − | $ echo -e "[main]\ndns=dnsmasq" | tee /etc/NetworkManager/conf.d/openshift.conf
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| − | </pre>
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| − | | |
| − | Configure dnsmasq to use the cluster:
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| − | | |
| − | <pre>
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| − | $ echo server=/tt.testing/192.168.126.1 | tee /etc/NetworkManager/dnsmasq.d/openshift.conf
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| − | </pre>
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| − | | |
| − | Reload NetworkManager:
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| − | | |
| − | <pre>
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| − | $ systemctl reload NetworkManager
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| − | </pre>
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| − | | |
| − | = Getting the Source Code =
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| − | | |
| − | <pre>
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| − | $ git clone https://github.com/openshift/installer.git $GOPATH/src/github.com/openshift/installer
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| − | </pre>
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| − | | |
| − | = Building OpenShift Installer =
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| − | | |
| − | <pre>
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| − | $ cd $GOPATH/src/github.com/openshift/installer
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| − | $ hack/build.sh
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| − | </pre>
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| − | | |
| − | = Installing OpenShift Cluster =
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| − | | |
| − | <pre>
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| − | $ bin/openshift-install create cluster --dir test
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| − | </pre>
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| − | | |
| − | = Removing OpenShift Cluster =
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| − | | |
| − | <pre>
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| − | $ bin/openshift-install destroy cluster
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| − | </pre>
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| | | | |
| | = See Also = | | = See Also = |
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| | * [https://blog.openshift.com/openshift-4-install-experience/ OpenShift 4: Install Experience] | | * [https://blog.openshift.com/openshift-4-install-experience/ OpenShift 4: Install Experience] |
| | * [[Terraform]] | | * [[Terraform]] |
| − | * [[libvirt]]
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