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Document source glean installs in simple-init

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It is possible and often desired to install glean from a source
repository when using the simple-init element. Document the process for
doing this.

Change-Id: Ie7c690406b14aae07d73261879b7ce8a2ed9dd8d
This commit is contained in:
Clark Boylan 2016-09-01 14:46:03 -07:00
parent 8e214d598c
commit 07f22a3388
1 changed files with 25 additions and 0 deletions
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elements/simple-init/README.rst
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@ -33,3 +33,28 @@ not there.
Finally, glean will handle ssh-keypair-injection from config Finally, glean will handle ssh-keypair-injection from config
drive if cloud-init is not installed. drive if cloud-init is not installed.
Chosing glean installation source
---------------------------------
By default glean is installed using pip using the latest release on pypi.
It is also possible to install glean from a specified git repository
location. This is useful for debugging and testing new glean changes
for example. To do this you need to set these variables::
DIB_INSTALLTYPE_simple_init=repo
DIB_REPOLOCATION_glean=/path/to/glean/repo
DIB_REPOREF_glean=name_of_git_ref
For example to test glean change 364516 do::
git clone https://git.openstack.org/openstack-infra/glean /tmp/glean
cd /tmp/glean
git review -d 364516
git checkout -b my-test-ref
Then set your DIB env vars like this before running DIB::
DIB_INSTALLTYPE_simple_init=repo
DIB_REPOLOCATION_glean=/tmp/glean
DIB_REPOREF_glean=my-test-ref