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the modules in this directory include some basic common purpose functions that can be used for other plugins.
you can see the modules in this directory as libraries that you can import for ease of creating your own plugin.
the main functions of the modules are listed as follows:
ImageManger:
role:
virtual machine images manager. used by VmManager.
wraps 'qemu-img' command as underlying mechanism.
features:
provides a function to create child image from a parent image.
provides a function to delete child image.
SourceManager:
role:
source code manager.
using 'pramiko' as underlying mechanism.
features:
provides a function to download source code
provides a function which wrap 'make clean;make;make install' to compile and install.
VmManager:
role:
virtual machine manager which can create vm and configure vm on bootstrap.
use libvirt as underlying mechanism. wrap 'virsh' command for creating vm.
features:
provides a function to create vm from a vm configuration context.
provides functions to detect if vm boots up successfully and onfigure bootstrap options for vm like ip and rabbitmq conf file.
vm9pfs:
used by VmManager.
host side 9pfs operation (mainly file operations) to communicate with vm by libvirt 9pfs.
see as communication protocol on client side. The vm runs a agent for receiving the commands.
VmXmlHelp:
used by VmManager.
just some divided libvirt xml string templates for building a complete libvirt xml file on demand by VmManager.
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