Add oslo.log

Install the oslo.log library from source so the gate tests
are run against master.

Change-Id: Id2925ce733773d8189ecc0d24b0384c44fad7b72
diff --git a/lib/oslo b/lib/oslo
index 0a1658a..29942ea 100644
--- a/lib/oslo
+++ b/lib/oslo
@@ -25,6 +25,7 @@
 OSLOCON_DIR=$DEST/oslo.concurrency
 OSLODB_DIR=$DEST/oslo.db
 OSLOI18N_DIR=$DEST/oslo.i18n
+OSLOLOG_DIR=$DEST/oslo.log
 OSLOMID_DIR=$DEST/oslo.middleware
 OSLOMSG_DIR=$DEST/oslo.messaging
 OSLORWRAP_DIR=$DEST/oslo.rootwrap
@@ -53,6 +54,9 @@
     git_clone $OSLOCON_REPO $OSLOCON_DIR $OSLOCON_BRANCH
     setup_install $OSLOCON_DIR
 
+    git_clone $OSLOLOG_REPO $OSLOLOG_DIR $OSLOLOG_BRANCH
+    setup_install $OSLOLOG_DIR
+
     git_clone $OSLOMID_REPO $OSLOMID_DIR $OSLOMID_BRANCH
     setup_install $OSLOMID_DIR
 
diff --git a/stackrc b/stackrc
index d58c279..5ea9705 100644
--- a/stackrc
+++ b/stackrc
@@ -236,6 +236,10 @@
 OSLOI18N_REPO=${OSLOI18N_REPO:-${GIT_BASE}/openstack/oslo.i18n.git}
 OSLOI18N_BRANCH=${OSLOI18N_BRANCH:-master}
 
+# oslo.log
+OSLOLOG_REPO=${OSLOLOG_REPO:-${GIT_BASE}/openstack/oslo.log.git}
+OSLOLOG_BRANCH=${OSLOLOG_BRANCH:-master}
+
 # oslo.messaging
 OSLOMSG_REPO=${OSLOMSG_REPO:-${GIT_BASE}/openstack/oslo.messaging.git}
 OSLOMSG_BRANCH=${OSLOMSG_BRANCH:-master}