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Diffstat (limited to 'doc/sources/opennebula/README.rst')
| -rw-r--r-- | doc/sources/opennebula/README.rst | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/doc/sources/opennebula/README.rst b/doc/sources/opennebula/README.rst index d4c3dc39..5cbc4366 100644 --- a/doc/sources/opennebula/README.rst +++ b/doc/sources/opennebula/README.rst @@ -1,14 +1,14 @@ -The `OpenNebula`_ DataSource supports the OpenNebula contextualization disk. +The `OpenNebula`_ (ON) datasource supports the contextualization disk. See `contextualization overview`_, `contextualizing VMs`_ and `network configuration`_ in the public documentation for more information. OpenNebula's virtual machines are contextualized (parametrized) by -CD-ROM image data, which contains a shell script *context.sh* with +CD-ROM image, which contains a shell script *context.sh* with custom variables defined on virtual machine start. There are no fixed contextualization variables, but the datasource accepts -many used and recommended across OpenNebula's documentation. +many used and recommended across the documentation. Datasource configuration ~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -32,7 +32,7 @@ The following criteria are required: 1. Must be formatted with `iso9660`_ fs. or have fs. label of **CDROM** 2. Must contain file *context.sh* with contextualization variables. File is generated by OpenNebula, it has a KEY="VALUE" format and - can be easily read by shell script. + can be easily read (via *source*) by shell Contextualization variables ~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -74,7 +74,7 @@ Instance hostname. If no hostname has been specified, cloud-init will try to create hostname from instance's IP address in 'local' dsmode. In 'net' dsmode, cloud-init -try to resolve one of its IP addresses to get hostname. +tries to resolve one of its IP addresses to get hostname. :: @@ -91,24 +91,26 @@ One or multiple SSH keys (separated by newlines) can be specified. cloud-init user data. -Example OpenNebula's Virtual Machine template -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Example VM's context section +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -CONTEXT=[ - PUBLIC_IP="$NIC[IP]", - SSH_KEY="$USER[SSH_KEY] -$USER[SSH_KEY1] -$USER[SSH_KEY2] ", - USER_DATA="#cloud-config -# see https://help.ubuntu.com/community/CloudInit - -packages: [] - -mounts: -- [vdc,none,swap,sw,0,0] -runcmd: -- echo 'Instance has been configured by cloud-init.' | wall -" ] +:: + + CONTEXT=[ + PUBLIC_IP="$NIC[IP]", + SSH_KEY="$USER[SSH_KEY] + $USER[SSH_KEY1] + $USER[SSH_KEY2] ", + USER_DATA="#cloud-config + # see https://help.ubuntu.com/community/CloudInit + + packages: [] + + mounts: + - [vdc,none,swap,sw,0,0] + runcmd: + - echo 'Instance has been configured by cloud-init.' | wall + " ] .. _OpenNebula: http://opennebula.org/ .. _contextualization overview: http://opennebula.org/documentation:documentation:context_overview |