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Updates to setupdockerhost script and lifecycle document
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Mark Gurevich
@@ -5,27 +5,8 @@ The Docker linux container technology is currently very popular. xCAT can help m
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This document describes how to use xCAT for docker management, from Docker Host setup to docker container operationis.
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**Note:** The document was verified with **Docker Version 1.10, 1.11** and **Docker API version 1.22.** The Docker Host was verified on **ubuntu14.04.3 x86_64**, **ubuntu15.10 x86_64** and **ubuntu16.04 x86_64**. At the time of this writing (February 2016), docker package is not available for **ppc64el** architecture from docker.org. You can follow instructions in the next section on how to manually download and install it.
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**Note:** The document was verified with **Docker Version 1.10, 1.11** and **Docker API version 1.22.** The Docker Host was verified on **ubuntu14.04.3 x86_64**, **ubuntu15.10 x86_64**, **ubuntu16.04 x86_64** and **ubuntu16.04 ppc64el**.
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Download and configure docker host on ppc64el
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--------------------------
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Download docker engine for ppc64el
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::
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wget http://launchpadlibrarian.net/251622081/docker.io_1.10.3-0ubuntu4_ppc64el.deb -O /install/docker_ppc64el/docker.io_1.10.3-0ubuntu4_ppc64el.deb
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Follow instructions below for **x86_64** setup with the following exceptions:
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Docker host node definition **otherpkgdir** should be
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::
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otherpkgdir=/install/docker_ppc64el
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Contents of **otherpkglist** file should be
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::
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docker.io
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Setting up Docker Host
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----------------------
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@@ -43,17 +24,20 @@ The osimage represents the image of the Operating System which will be deployed
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Copy files out from DVDs/ISOs and generate
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""""""""""""""""""""""""""""""""""""""""""
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::
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**[ubuntu x86_64]** ::
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copycds ubuntu-14.04.3-server-amd64.iso
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copycds ubuntu-xxx-server-amd64.iso
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**[ubuntu16.04 ppc64el]** ::
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copycds ubuntu-16.04-server-ppc64el.iso
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Create pkglist and otherpkglist of osimage for dockerhost
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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The pkglist file should contain the following: ::
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# cat /install/custom/ubuntu1404/ubuntu1404.pkglist
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# cat /install/custom/ubuntu/ubuntu.pkglist
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openssh-server
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ntp
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gawk
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@@ -61,14 +45,38 @@ The pkglist file should contain the following: ::
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snmpd
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bridge-utils
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The otherpkglist file should contain the following: ::
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The otherpkglist file should contain the following:
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# cat /install/custom/ubuntu1404/ubuntu1404_docker.pkglist
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**[ubuntu x86_64]** ::
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# cat /install/custom/ubuntu/ubuntu_docker.pkglist
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docker-engine
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**[ubuntu16.04 ppc64el]**
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At the time of this writing (February 2016), docker package is not available for **ppc64el** architecture from docker.org. You can follow instructions below on how to manually download and install it.
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* Download docker engine for ppc64el
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::
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wget http://launchpadlibrarian.net/251622081/docker.io_1.10.3-0ubuntu4_ppc64el.deb -O /install/docker_ppc64el/docker.io_1.10.3-0ubuntu4_ppc64el.deb
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* Configure **otherpkgdir** like this
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::
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otherpkgdir=/install/docker_ppc64el
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* The **otherpkglist** file should be
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::
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# cat /install/custom/ubuntu/ubuntu_docker.pkglist
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docker.io
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Create the osimage for dockerhost
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"""""""""""""""""""""""""""""""""
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The osimage for dockerhost will be like this: ::
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The osimage for dockerhost will be like this:
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**[ubuntu x86_64]** ::
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# lsdef -t osimage ub14.04.03-x86_64-dockerhost
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Object name: ub14.04.03-x86_64-dockerhost
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@@ -77,13 +85,29 @@ The osimage for dockerhost will be like this: ::
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osname=Linux
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osvers=ubuntu14.04.3
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otherpkgdir=https://apt.dockerproject.org/repo ubuntu-trusty main,http://cz.archive.ubuntu.com/ubuntu trusty main
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otherpkglist=/install/custom/ubuntu1404/ubuntu1404_docker.pkglist
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otherpkglist=/install/custom/ubuntu/ubuntu_docker.pkglist
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pkgdir=/install/ubuntu14.04.3/x86_64
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pkglist=/install/custom/ubuntu1404/ubuntu1404.pkglist
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pkglist=/install/custom/ubuntu/ubuntu.pkglist
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profile=compute
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provmethod=install
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template=/opt/xcat/share/xcat/install/ubuntu/compute.tmpl
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**[ubuntu16.04 ppc64el]** ::
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# lsdef -t osimage ub16.04-ppc64el-dockerhost
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Object name: ub16.04-ppc64el-dockerhost
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imagetype=linux
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osarch=ppc64el
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osname=Linux
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osvers=ubuntu16.04
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otherpkgdir=/install/docker_ppc64el
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otherpkglist=/install/custom/ubuntu/ubuntu_docker.pkglist
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pkgdir=/install/ubuntu16.04/ppc64el
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pkglist=/install/custom/ubuntu/ubuntu.pkglist
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profile=compute
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provmethod=install
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template=/opt/xcat/share/xcat/install/ubuntu/compute.tmpl
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Preparing setup trust connection for docker service and create docker network object
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````````````````````````````````````````````````````````````````````````````````````
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Currently, a customer defined network object is needed when create a docker container with static IP address, it can be done with the command: ::
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@@ -119,7 +143,7 @@ After the dockerhost is ready, a docker instance can be managed through xCAT com
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postbootscripts=otherpkgs
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postscripts=syslog,remoteshell,syncfiles
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The command :doc:`mkdef </guides/admin-guides/references/man1/mkdef.1>` or :doc:`chdef </guides/admin-guides/references/man1/chdef.1>` can be used to create a new docker instance node definition or change the node attributes. Specify any available unused ip address for *ip* attribute. *mac* attribute is optional and if left unset, will be filled in by *mkdocker* command.
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The command :doc:`mkdef </guides/admin-guides/references/man1/mkdef.1>` or :doc:`chdef </guides/admin-guides/references/man1/chdef.1>` can be used to create a new docker instance node or change the node attributes. Specify any available unused ip address for *ip* attribute. *mac* attribute is optional and if left unset, will be filled in by *mkdocker* command.
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After docker instance node is defined, use command `makehosts host01c01` to add node *host01c01* and its IP address *10.0.120.1* into /etc/hosts.
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@@ -165,7 +165,9 @@ if [ $? -ne 0 ]; then
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exit 1
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fi
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if [ ! -z "$nicname" ]; then
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brctl addif $netname $nicname
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if [ -x /sbin/brctl ]; then
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brctl addif $netname $nicname
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fi
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default_info=`ip route | grep default | grep "dev $nicname" | grep via`
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if [ ! -z "$default_info" ]; then
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default_gw=`echo $default_info | awk '{print $3}'`
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