extras/hooks: syntactical errors in SELinux hooks, scipt logic improved

Fixes: bz#1701818
Change-Id: Ia5fa1df81bbaec3a84653d136a331c76b457f42c
Signed-off-by: Milan Zink <zeten30@gmail.com>
(cherry picked from commit 1ad201a9fd6748d7ef49fb073fcfe8c6858d557d)

extras/hook-scripts/create/post/S10selinux-label-brick.sh

@@ -34,18 +34,21 @@ parse_args () {
 
 set_brick_labels()
 {
-  volname=${1}
+  volname="${1}"
 
   # grab the path for each local brick
-  brickpath="/var/lib/glusterd/vols/${volname}/bricks/*"
-  brickdirs=$(grep '^path=' "${brickpath}" | cut -d= -f 2 | sort -u)
+  brickpath="/var/lib/glusterd/vols/${volname}/bricks/"
+  brickdirs=$(
+    find "${brickpath}" -type f -exec grep '^path=' {} \; | \
+    cut -d= -f 2 | \
+    sort -u
+  )
 
   for b in ${brickdirs}; do
     # Add a file context for each brick path and associate with the
     # glusterd_brick_t SELinux type.
-    pattern="${b}\(/.*\)?"
+    pattern="${b}(/.*)?"
     semanage fcontext --add -t glusterd_brick_t -r s0 "${pattern}"
-
     # Set the labels on the new brick path.
     restorecon -R "${b}"
   done

extras/hook-scripts/delete/pre/S10selinux-del-fcontext.sh

@@ -15,45 +15,55 @@ OPTSPEC="volname:"
 VOL=
 
 function parse_args () {
-        ARGS=$(getopt -o '' -l $OPTSPEC -n $PROGNAME -- "$@")
-        eval set -- "$ARGS"
+  ARGS=$(getopt -o '' -l ${OPTSPEC} -n ${PROGNAME} -- "$@")
+  eval set -- "${ARGS}"
 
-        while true; do
-        case $1 in
-        --volname)
-         shift
-         VOL=$1
-         ;;
-        *)
-         shift
-         break
-         ;;
-        esac
+  while true; do
+    case ${1} in
+      --volname)
         shift
-        done
+        VOL=${1}
+      ;;
+      *)
+        shift
+        break
+      ;;
+    esac
+    shift
+  done
 }
 
 function delete_brick_fcontext()
 {
-        volname=$1
+  volname="${1}"
 
-        # grab the path for each local brick
-        brickdirs=$(grep '^path=' /var/lib/glusterd/vols/${volname}/bricks/* | cut -d= -f 2)
+  # grab the path for each local brick
+  brickpath="/var/lib/glusterd/vols/${volname}/bricks/"
+  brickdirs=$(
+    find "${brickpath}" -type f -exec grep '^path=' {} \; | \
+    cut -d= -f 2 | \
+    sort -u
+  )
+
+  for b in ${brickdirs}
+  do
+    # remove the file context associated with the brick path
+    pattern="${b}(/.*)?"
+    semanage fcontext --delete "${pattern}"
+
+    # remove the labels on brick path.
+    restorecon -R "${b}"
+ done
 
-        for b in $brickdirs
-        do
-                # remove the file context associated with the brick path
-                semanage fcontext --delete $b\(/.*\)?
-        done
 }
 
 SELINUX_STATE=$(which getenforce && getenforce)
 [ "${SELINUX_STATE}" = 'Disabled' ] && exit 0
 
 parse_args "$@"
-[ -z "$VOL" ] && exit 1
+[ -z "${VOL}" ] && exit 1
 
-delete_brick_fcontext $VOL
+delete_brick_fcontext "${VOL}"
 
 # failure to delete the fcontext is not fatal
 exit 0

tests/bugs/glusterfs-server/bug-877992.t

@@ -46,7 +46,9 @@ TEST $CLI volume create $V0 $H0:$B0/${V0}1;
 EXPECT "$V0" volinfo_field $V0 'Volume Name';
 EXPECT 'Created' volinfo_field $V0 'Status';
 EXPECT 'createPre' cat /tmp/pre.out;
-EXPECT 'createPost' cat /tmp/post.out;
+# Spost.sh comes after S10selinux-label-brick.sh under create post hook script
+# list. So consider the delay in setting SELinux context on bricks
+EXPECT_WITHIN 5 'createPost' cat /tmp/post.out;
 hooks_cleanup 'create'