report correct version when multiple images invoked

Author: sanchezl

collection-scripts/version

@@ -1,16 +1,17 @@
 #!/usr/bin/env bash
 
 function version() {
-  # get version from image
-  version=$( \
-    oc status | grep '^pod' | \
-    sed -n -r -e 's/.*([[:digit:]]+\.[[:digit:]]+(:?\.[[:digit:]])?(:?-[^@]+)?).*/\1/p' \
-  )
 
-  # if version not found, fallback to imageID
-  [ -z "${version}" ] && version=$(oc status | grep '^pod.*runs' | sed -r -e 's/^pod.*runs //')
+  # get gather container image and imageID
+  read -r image imageID < <(oc get pod ${POD_NAME} -o jsonpath='{range .status.containerStatuses[?(@.name=="gather")]}{.image} {.imageID}{end}')
 
-  # if version still not found, use Unknown
+  # attempt to get semantic-like version from image
+  version=$(echo ${image} | sed -n -r -e 's/.*:([[:digit:]]+\.[[:digit:]]+(:?\.[[:digit:]])?(:?-[^@]+)?).*/\1/p')
+
+  # if version is not set, fallback to imageID
+  [ -z "${version}" ] && version=${imageID}
+
+  # if version still not set, use Unknown
   [ -z "${version}" ] && version="Unknown"
 
   echo ${version}