fix: check that docker is installed (elastic#3889)

simitt · Dec 15, 2020 · f1f0fc0 · f1f0fc0
1 parent 81d0d26
commit f1f0fc0
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/.ci/packer_cache.sh b/.ci/packer_cache.sh
@@ -19,8 +19,9 @@ docker.elastic.co/beats-dev/golang-crossbuild:${GO_VERSION}-ppc
 docker.elastic.co/beats-dev/golang-crossbuild:${GO_VERSION}-s390x
 golang:${GO_VERSION}
 "
-
-for image in ${DOCKER_IMAGES}
-do
-(retry 2 docker pull ${image}) || echo "Error pulling ${image} Docker image, we continue"
-done
+if [ -x "$(command -v docker)" ]; then
+  for image in ${DOCKER_IMAGES}
+  do
+  (retry 2 docker pull ${image}) || echo "Error pulling ${image} Docker image, we continue"
+  done
+fi