Add DevStack plugin
This patch adds a DevStack plugin to cinderlib so it can be installed directly by DevStack and used for CI jobs as well as development. When installing it will also get the Cinder configuration and generate a .py file with the right initialization of the different backends that have been configured in /etc/cinder/cinder.conf by the DevStack Cinder job and its plugins. Change-Id: I12f6b0e1bc047f1915e4f7532ea59495477f9b4a
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@ -35,7 +35,7 @@ import sys
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import six
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import six
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from cinderlib.tests.functional import cinder_to_yaml
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from cinderlib.cmd import cinder_to_yaml
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def _to_str(value):
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def _to_str(value):
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@ -44,7 +44,7 @@ def _to_str(value):
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return value
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return value
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def main(source, dest):
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def convert(source, dest):
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config = cinder_to_yaml.convert(source)
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config = cinder_to_yaml.convert(source)
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result = ['import cinderlib as cl']
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result = ['import cinderlib as cl']
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for backend in config['backends']:
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for backend in config['backends']:
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@ -57,7 +57,11 @@ def main(source, dest):
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f.write('\n\n'.join(result) + '\n')
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f.write('\n\n'.join(result) + '\n')
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if __name__ == '__main__':
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def main():
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source = '/etc/cinder/cinder.conf' if len(sys.argv) < 2 else sys.argv[1]
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source = '/etc/cinder/cinder.conf' if len(sys.argv) < 2 else sys.argv[1]
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dest = '/dev/stdout' if len(sys.argv) < 3 else sys.argv[2]
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dest = '/dev/stdout' if len(sys.argv) < 3 else sys.argv[2]
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main(source, dest)
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convert(source, dest)
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if __name__ == '__main__':
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main()
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@ -24,7 +24,7 @@ import unittest2
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import yaml
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import yaml
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import cinderlib
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import cinderlib
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from cinderlib.tests.functional import cinder_to_yaml
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from cinderlib.cmd import cinder_to_yaml
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def set_backend(func, new_name, backend_name):
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def set_backend(func, new_name, backend_name):
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@ -0,0 +1,37 @@
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Cinderlib DevStack Plugin
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=========================
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This directory contains the cinderlib DevStack plugin.
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To configure cinderlib with DevStack, you will need to enable this plugin by
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adding one line to the [[local|localrc]] section of your local.conf file.
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To enable the plugin, add a line of the form::
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enable_plugin cinderlib <GITURL> [GITREF]
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where::
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<GITURL> is the URL of a cinderlib repository
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[GITREF] is an optional git ref (branch/ref/tag). The default is master.
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For example::
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enable_plugin cinderlib https://git.openstack.org/openstack/cinderlib
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Another example using Stein's stable branch::
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enable_plugin cinderlib https://git.openstack.org/openstack/cinderlib stable/stein
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The cinderlib DevStack plugin will install cinderlib from Git by default, but
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it can be installed from PyPi using the ``CINDERLIB_FROM_GIT`` configuration
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option::
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CINDERLIB_FROM_GIT=False
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The plugin will also generate the code equivalent to the deployed Cinder's
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configuration in ``$CINDERLIB_SAMPLE_DIR/cinderlib.py`` which defaults to the
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same directory where the Cinder configuration is saved.
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For more information, see the `DevStack plugin documentation
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<https://docs.openstack.org/devstack/latest/plugins.html>`_.
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@ -0,0 +1,7 @@
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ALL_LIBS+=" cinderlib"
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CINDERLIB_FROM_GIT=$(trueorfalse True CINDERLIB_FROM_GIT)
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if [[ "$CINDERLIB_FROM_GIT" == "True" ]]; then
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PROJECTS="openstack/cinderlib $PROJECTS"
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LIBS_FROM_GIT="cinderlib,$LIBS_FROM_GIT"
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fi
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@ -0,0 +1,40 @@
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#!/bin/bash
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# plugin.sh - DevStack plugin.sh dispatch script for cinderlib
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_XTRACE_CINDERLIB=$(set +o | grep xtrace)
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function install_cinderlib {
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if use_library_from_git "cinderlib"; then
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git_clone_by_name "cinderlib"
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setup_dev_lib "cinderlib"
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else
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pip_install cinderlib
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fi
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}
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stable_compare="stable/[a-r]"
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# Cinderlib only makes sense if Cinder is enabled and we are in stein or later
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if [[ ! "${GITBRANCH["cinderlib"]}" =~ $stable_compare ]] && is_service_enabled cinder; then
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if [[ "$1" == "stack" && "$2" == "install" ]]; then
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# Perform installation of service source
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echo_summary "Installing cinderlib"
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install_cinderlib
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# Plugins such as Ceph configure themselves at post-config, so we have to
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# configure ourselves at the next stage, "extra"
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elif [[ "$1" == "stack" && "$2" == "extra" ]]; then
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# Generate the cinderlib configuration
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echo_summary "Generating cinderlib initialization example python code"
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sudo cinder-cfg-to-cinderlib-code $CINDER_CONF $CINDERLIB_SAMPLE
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fi
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if [[ "$1" == "clean" || "$1" == "unstack" ]]; then
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echo_summary "Removing cinderlib and its code example from cinder.conf"
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sudo rm -f $CINDERLIB_SAMPLE
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pip_uninstall cinderlib
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fi
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fi
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# Restore xtrace
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$_XTRACE_CINDERLIB
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@ -0,0 +1,9 @@
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# Defaults
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# --------
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# Set up default directories
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CINDERLIB_SAMPLE_DIR=${CINDERLIB_CONF_DIR:-/etc/cinder}
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CINDERLIB_SAMPLE=$CINDERLIB_SAMPLE_DIR/cinderlib.py
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CINDERLIB_FROM_GIT=$(trueorfalse True CINDERLIB_FROM_GIT)
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define_plugin cinderlib
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@ -38,6 +38,8 @@ cinderlib.persistence.storage =
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memory = cinderlib.persistence.memory:MemoryPersistence
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memory = cinderlib.persistence.memory:MemoryPersistence
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db = cinderlib.persistence.dbms:DBPersistence
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db = cinderlib.persistence.dbms:DBPersistence
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memory_db = cinderlib.persistence.dbms:MemoryDBPersistence
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memory_db = cinderlib.persistence.dbms:MemoryDBPersistence
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console_scripts =
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cinder-cfg-to-cinderlib-code = cinderlib.cmd.cinder_cfg_to_python:main
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[egg_info]
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[egg_info]
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tag_build =
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tag_build =
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