Create a new ui_version function to pull it out of an index.html file

Also verify the ui version after it was built that it matches the env var we set in the build container.

build-support/functions/10-util.sh

@@ -919,3 +919,23 @@ function shasum_directory {
    
    return $ret
 }
+
+ function ui_version {
+   # Arguments:
+   #   $1 - path to index.html
+   #
+   # Returns:
+   #   0 - success
+   #   * -failure
+   #
+   # Notes: echoes the version to stdout upon success
+   if ! test -f "$1"
+   then
+      err "ERROR: No such file: '$1'"
+      return 1
+   fi
+   
+   local ui_version=$(sed -n ${SED_EXT} -e 's/.*CONSUL_VERSION%22%3A%22([^%]*)%22%2C%22.*/\1/p' < "$1") || return 1
+   echo "$ui_version"
+   return 0
+ }

build-support/functions/20-build.sh

@@ -67,7 +67,7 @@ function build_ui {
    # make sure we run within the ui dir
    pushd ${ui_dir} > /dev/null
    
-   status "Creating the UI Build Container with image: ${image_name} and embedding as version ${version}"
+   status "Creating the UI Build Container with image: ${image_name} and version '${version}'"
    local container_id=$(docker create -it -e "CONSUL_GIT_SHA=${commit_hash}" -e "CONSUL_VERSION=${version}" ${image_name})
    local ret=$?
    if test $ret -eq 0
@@ -85,10 +85,18 @@ function build_ui {
    
    if test ${ret} -eq 0
    then
-      rm -rf ${1}/pkg/web_ui/v2
-      mkdir -p ${1}/pkg/web_ui
-      cp -r ${1}/ui-v2/dist ${1}/pkg/web_ui/v2
+      local ui_vers=$(ui_version "${1}/ui-v2/dist/index.html")
+      if test "${version}" != "${ui_vers}"
+      then
+         err "ERROR: UI version mismatch. Expecting: '${version}' found '${ui_vers}'"
+         ret=1
+      else
+         rm -rf ${1}/pkg/web_ui/v2
+         mkdir -p ${1}/pkg/web_ui
+         cp -r ${1}/ui-v2/dist ${1}/pkg/web_ui/v2 
+      fi
    fi
+   
    popd > /dev/null
    return $ret
 }

build-support/scripts/build-docker.sh

@@ -128,7 +128,7 @@ function main {
          fi
          status_stage "==> Building UI"
          build_ui "${sdir}" "${image}" || return 1
-         status_stage "==> UI V2 Built with embedded version: $(cat ${sdir}/pkg/web_ui/v2/index.html | sed -n -e 's/.*CONSUL_VERSION%22%3A%22//p' | sed -n -e 's/%22%2C%22.*//p')"
+         status "==> UI Built with Version: $(ui_version ${sdir}/pkg/web_ui/v2/index.html)"
          ;;
       ui-legacy )
          if is_set "${refresh}"