Remove duplicate code in glance extend_start.sh

Change-Id: I34f63aef2a473c475f3740e160f64e6c1ee758fc
Partial-Bug: #1546944

docker/glance/glance-api/Dockerfile.j2

@@ -1,8 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}glance-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
-COPY extend_start.sh /usr/local/bin/kolla_extend_start
+COPY extend_start.sh /usr/local/bin/kolla_glance_extend_start
-RUN chmod 755 /usr/local/bin/kolla_extend_start
+RUN chmod 755 /usr/local/bin/kolla_glance_extend_start
 
 {{ include_footer }}
 

docker/glance/glance-api/extend_start.sh

@@ -1,12 +1,5 @@
 #!/bin/bash
 
-if [[ ! -d "/var/log/kolla/glance" ]]; then
-    mkdir -p /var/log/kolla/glance
-fi
-if [[ $(stat -c %a /var/log/kolla/glance) != "755" ]]; then
-    chmod 755 /var/log/kolla/glance
-fi
-
 # Bootstrap and exit if KOLLA_BOOTSTRAP variable is set. This catches all cases
 # of the KOLLA_BOOTSTRAP variable being set, including empty.
 if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then

docker/glance/glance-base/Dockerfile.j2

@@ -56,4 +56,5 @@ COPY extend_start.sh /usr/local/bin/kolla_extend_start
 RUN usermod -a -G kolla glance \
     && chmod 750 /etc/sudoers.d \
     && chmod 440 /etc/sudoers.d/glance_sudoers \
-    && chmod 755 /usr/local/bin/kolla_extend_start
+    && touch /usr/local/bin/kolla_glance_extend_start \
+    && chmod 755 /usr/local/bin/kolla_extend_start /usr/local/bin/kolla_glance_extend_start

docker/glance/glance-base/extend_start.sh

@@ -6,3 +6,5 @@ fi
 if [[ $(stat -c %a /var/log/kolla/glance) != "755" ]]; then
     chmod 755 /var/log/kolla/glance
 fi
+
+source /usr/local/bin/kolla_glance_extend_start