perf: add paralleliation to container image pulls

Azure · Apr 11, 2024 · 859aa5a · 859aa5a
1 parent 4c9e1d9
commit 859aa5a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/vhdbuilder/packer/install-dependencies.sh b/vhdbuilder/packer/install-dependencies.sh
@@ -272,6 +272,8 @@ string_replace() {
   echo ${1//\*/$2}
 }
 
+declare -a containerImagePids=()
+
 ContainerImages=$(jq ".ContainerImages" $COMPONENTS_FILEPATH | jq .[] --monochrome-output --compact-output)
 for imageToBePulled in ${ContainerImages[*]}; do
   downloadURL=$(echo "${imageToBePulled}" | jq .downloadURL -r)
@@ -295,9 +297,11 @@ for imageToBePulled in ${ContainerImages[*]}; do
 
   for version in ${versions}; do
     CONTAINER_IMAGE=$(string_replace $downloadURL $version)
-    pullContainerImage ${cliTool} ${CONTAINER_IMAGE}
+    pullContainerImage ${cliTool} ${CONTAINER_IMAGE} &
+    containerImagePids+=($!)
     echo "  - ${CONTAINER_IMAGE}" >> ${VHD_LOGS_FILEPATH}
   done
+  wait ${containerImagePids[@]}
 done
 
 watcher=$(jq '.ContainerImages[] | select(.downloadURL | contains("aks-node-ca-watcher"))' $COMPONENTS_FILEPATH)