entrypoint: wrap main code in a function

As preparation for upcoming changes, move the main code of entrypoint.sh
into functions. Best viewed by ignore whitespace.

Signed-off-by: John Mulligan <jmulligan@redhat.com>

entrypoint.sh

@@ -51,13 +51,14 @@ while true ; do
     esac
 done
 
-mkdir -p /tmp/ceph
-"${MICRO_OSD_PATH}" /tmp/ceph
-export CEPH_CONF=/tmp/ceph/ceph.conf
+test_go_ceph() {
+    mkdir -p /tmp/ceph
+    "${MICRO_OSD_PATH}" /tmp/ceph
+    export CEPH_CONF=/tmp/ceph/ceph.conf
 
-if [[ ${TEST_RUN} == NONE ]]; then
+    if [[ ${TEST_RUN} == NONE ]]; then
         echo "skipping test execution"
-else
+    else
         go get -t -v ./...
         diff -u <(echo -n) <(gofmt -d -s .)
         #go vet ./...
@@ -89,8 +90,14 @@ else
         done
         mkdir -p /results/coverage
         go tool cover -html=cover.out -o /results/coverage/go-ceph.html
-fi
+    fi
+}
 
-if [[ ${PAUSE} = yes ]]; then
+pause_if_needed() {
+    if [[ ${PAUSE} = yes ]]; then
         sleep infinity
-fi
+    fi
+}
+
+test_go_ceph
+pause_if_needed