Merge pull request #6732 from domq/fix/rsync-EAGAIN-hazard

[fix] Use rsync --blocking-io to work around EAGAIN hazard

Reviewed-by: https://github.com/apps/softwarefactory-project-zuul

awx/playbooks/check_isolated.yml

@@ -38,6 +38,7 @@
         recursive: true
         set_remote_user: false
         rsync_opts:
+          - "--blocking-io"
           - "--rsh=$RSH"
       environment:
         RSH: "oc rsh --config={{ ansible_kubectl_config }}"
@@ -51,6 +52,7 @@
         mode: pull
         set_remote_user: false
         rsync_opts:
+          - "--blocking-io"
           - "--rsh=$RSH"
       environment:
         RSH: "oc rsh --config={{ ansible_kubectl_config }}"

awx/playbooks/run_isolated.yml

@@ -25,6 +25,7 @@
         dest: "{{ dest }}"
         set_remote_user: false
         rsync_opts:
+          - "--blocking-io"
           - "--rsh=$RSH"
       environment:
         RSH: "oc rsh --config={{ ansible_kubectl_config }}"