8810: crunch-job reports errors when checking if Docker image is loaded.

[arvados.git] / sdk / cli / bin / crunch-job

diff --git a/sdk/cli/bin/crunch-job b/sdk/cli/bin/crunch-job
index 6423c1cf79af5892b19e0dd73c91a46b4784bbdd..c831be842511d48dda8be1ab6dff4405b261d141 100755 (executable)
--- a/sdk/cli/bin/crunch-job
+++ b/sdk/cli/bin/crunch-job
@@ -416,8 +416,17 @@ if ($docker_locator = $Job->{docker_image_locator}) {
   Log (undef, "docker image hash is $docker_hash");
   $docker_stream =~ s/^\.//;
   my $docker_install_script = qq{
-if ! $docker_bin images -q --no-trunc --all | grep -qxF \Q$docker_hash\E; then
-    arv-get \Q$docker_locator$docker_stream/$docker_hash.tar\E | $docker_bin load
+if $docker_bin images -q --no-trunc --all | grep -qxF \Q$docker_hash\E; then
+    exit 0
+fi
+declare -a exit_codes=("\${PIPESTATUS[@]}")
+if [ 0 != "\${exit_codes[0]}" ]; then
+   exit "\${exit_codes[0]}"  # `docker images` failed
+elif [ 1 != "\${exit_codes[1]}" ]; then
+   exit "\${exit_codes[1]}"  # `grep` encountered an error
+else
+   # Everything worked fine, but grep didn't find the image on this host.
+   arv-get \Q$docker_locator$docker_stream/$docker_hash.tar\E | $docker_bin load
 fi
 };