Set hosts in settings.yml; more examples

Set the "hosts" variable in settings.yml so it's not required to be
passed via the command line.  It can still be overridden there.

Add an example of overridding an ansible variable by selecting an
OpenSRF branch at run time.

Signed-off-by: Bill Erickson <berickxx@gmail.com>

diff --git a/README.adoc b/README.adoc
index 1f91059..f01e9c6 100644 (file)
--- a/README.adoc
+++ b/README.adoc
@@ -13,7 +13,11 @@ sudo apt-get install git ansible
 git clone --branch collab/berick/ansible-installer-ubuntu-16.04 \
     git://git.evergreen-ils.org/working/random.git
 cd random
-sudo ansible-playbook playbook.yml -e "hosts=127.0.0.1"
+sudo ansible-playbook playbook.yml
+
+# Alternate example demonstrating variable overrides by installing a 
+# specific OpenSRF branch.
+# sudo ansible-playbook playbook.yml --extra-vars "osrf_git_branch=rel_2_5"
 ---------------------------------------------------------------------------
 
 3. In Chrome/FF navigate to https://<HOSTNAME>/eg/staff/ and click 

diff --git a/settings.yml b/settings.yml
index 61f2160..98510f9 100644 (file)
--- a/settings.yml
+++ b/settings.yml
@@ -1,4 +1,5 @@
 ---
+hosts: '127.0.0.1'
 repo_base: /home/opensrf
 os_build_target: ubuntu-xenial 
 osrf_git_repository: git://git.evergreen-ils.org/OpenSRF.git