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This is a mirror for http://gerrit.ovirt.org, for issues use http://bugzilla.redhat.com
License: GNU General Public License v2.0
This project forked from ovirt/ovirt-node
This is a mirror for http://gerrit.ovirt.org, for issues use http://bugzilla.redhat.com
License: GNU General Public License v2.0
Some notes on node image deployment Nodes are provided in ISO format. These ISO images can be deployed by either: 1. Writing the image to a CD 2. Writing the image to USB flash using livecd-iso-to-disk utility 3. Creating pxe bootable files using livecd-iso-to-pxeboot utility To burn a Node image to a usb stick accessible as /dev/sdb: livecd-iso-to-disk --format /usr/share/ovirt-node-image/ovirt-node-image.iso /dev/sdb To create vmlinuz and initrd images suitable for pxe booting: livecd-iso-to-pxeboot /usr/share/ovirt-node-image/ovirt-node-image.iso The output of livecd-iso-to-pxeboot is a directory called tftpboot that has the following files in it: ./pxelinux.0 ./pxelinux.cfg/default ./vmlinuz0 ./initrd0.img The vmlinuz0/initrd0.img files can be imported into a cobbler server or any other PXE/tftp server. pxelinux.cfg/default provides a template for configuring the pxe server to export the Node image: DEFAULT pxeboot TIMEOUT 20 PROMPT 0 LABEL pxeboot KERNEL vmlinuz0 APPEND rootflags=loop initrd=initrd0.img root=/ovirt-node-image.iso rootfstype=auto ro liveimg check rootfstype=iso9660 elevator=deadline ONERROR LOCALBOOT 0 In addition, PXE booted Nodes rely on the PXE server passing the mac address of the pxe interface to the kernel. This is provided by using the IPAPPEND 2 parameter as follows: DEFAULT pxeboot TIMEOUT 20 PROMPT 0 LABEL pxeboot KERNEL vmlinuz0 IPAPPEND 2 APPEND rootflags=loop initrd=initrd0.img root=/ovirt-node-image.iso rootfstype=auto ro liveimg check rootfstype=iso9660 elevator=deadline ONERROR LOCALBOOT 0 THE DRY MODE ============================ oVirt Node provides a way to simulate/debug the installer or the menu setup without need to generate an iso, it's possible use RHEL/Centos/Fedora based distro, this schema is called the 'dry mode'. First, clone the repo, install needed packages and create default ovirt file: $ git clone git://gerrit.ovirt.org/ovirt-node $ cd ovirt-node $ sudo yum install PyPAM cracklib-python python-gudev python-urwid python-augeas python-lxml -y $ sudo touch /etc/default/ovirt RHEL/CentOS <= 6 ============================ Simulating the installer locally: $ovirt-node> cd src $ovirt-node/src> python -m ovirt.node.installer.__main__ --debug --dry Simulating the setup locally: $ovirt-node> cd src $ovirt-node/src> python -m ovirt.node.setup.__main__ --debug --dry Fedora or CentOS/RHEL >= 7 ============================ Simulating the installer locally: $ovirt-node> cd src $ovirt-node/src> python -m ovirt.node.installer --debug --dry Simulating the setup locally: $ovirt-node> cd src $ovirt-node/src> python -m ovirt.node.setup --debug --dry Log available at: /tmp/ovirt-node.debug.log
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