Fix: Update verify-images script to avoid dirs

Some communities have release notes folders in their
cloud configuration directories. We need the verify script
to skip them when scanning the content of the configuration
files.

Issue: RELENG-5414
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: I50a2d2c9b3830d4e09f1fa52d9a35826546b35df

releasenotes/notes/verify-images-skip-dirs-f03003a68e43dd74.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Verify images script needs to skip any directories that exist in the
+    configuration file directory. Process only configuration files.

shell/jenkins-verify-images.sh

@@ -33,21 +33,23 @@ verify_images()
 {
     echo "Verifying images on $1"
     for file in "$1"/*; do
-        # Set the $IMAGE_NAME variable to the the file's IMAGE_NAME value
-        export "$(grep ^IMAGE_NAME= "$file")"
-        # The image should be listed as active
+        if [ -f "$file" ]; then
+            # Set the $IMAGE_NAME variable to the the file's IMAGE_NAME value
+            export "$(grep ^IMAGE_NAME= "$file")"
+            # The image should be listed as active
 
-        if ! openstack image list --property name="$IMAGE_NAME" | grep "active"; then
-            echo "ERROR: No matching image found for $IMAGE_NAME"
-            error=true
-        fi
-        # Set the $HARDWARE_ID variable to the the file's HARDWARE_ID value
-        export "$(grep ^HARDWARE_ID= "$file")"
-        # The flavor should be listed. Spaces in grep string ensure complete match.
+            if ! openstack image list --property name="$IMAGE_NAME" | grep "active"; then
+                echo "ERROR: No matching image found for $IMAGE_NAME"
+                error=true
+            fi
+            # Set the $HARDWARE_ID variable to the the file's HARDWARE_ID value
+            export "$(grep ^HARDWARE_ID= "$file")"
+            # The flavor should be listed. Spaces in grep string ensure complete match.
 
-        if ! openstack flavor list | grep " $HARDWARE_ID "; then
-            echo "ERROR: No matching flavor found for $HARDWARE_ID"
-            error=true
+            if ! openstack flavor list | grep " $HARDWARE_ID "; then
+                echo "ERROR: No matching flavor found for $HARDWARE_ID"
+                error=true
+            fi
         fi
     done
 }