Enable docker daemon experimental features

`docker build --squash` requires docker daemon experimental mode enabled.
(This is valid for builder systems only, the product remains intact.)

Signed-off-by: Ferenc Tóth <ferenc.2.toth@nokia.com>
Change-Id: I130832123d460716e938c0dbcec6cdbfdd4ab7e6

diff --git a/jjb/akraino-templates/akraino-ta-common-macros.yaml b/jjb/akraino-templates/akraino-ta-common-macros.yaml
index 33f7f00..8ed76b5 100644 (file)
--- a/jjb/akraino-templates/akraino-ta-common-macros.yaml
+++ b/jjb/akraino-templates/akraino-ta-common-macros.yaml
@@ -219,6 +219,8 @@
       - shell: |2-
           sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
           sudo yum -y install docker-ce docker-ce-cli containerd.io
+          sudo mkdir -p /etc/docker/
+          echo '{"experimental":true}' | sudo tee /etc/docker/daemon.json
           sudo systemctl start docker
           # Ugly hack to make docker usable for non-root
           # (adding to the group would require re-login)