Change permissions for generated airskiff.yaml file

Generated file has superuser owner and it is set with permissions
that other users are not able to read the file, so later it can't be used
by Armada.

Change-Id: I571a3af0fa8f3a482e0a8e9726f92cc39a670e91

tools/deployment/airskiff/developer/030-armada-bootstrap.sh

@@ -25,6 +25,11 @@ set -xe
 # Render documents
 ${PEGLEG} site -r . render "${PL_SITE}" -o airskiff.yaml
 
+# Set permissions o+r, beacause it need to be readable
+# for Armada in the container
+AIRSKIFF_PERMISSIONS=$(stat --format '%a' airskiff.yaml)
+sudo chmod 0644 airskiff.yaml
+
 # Download latest Armada image and deploy Airship components
 docker run --rm --net host -p 8000:8000 --name armada \
     -v ~/.kube/config:/armada/.kube/config \
@@ -32,3 +37,6 @@ docker run --rm --net host -p 8000:8000 --name armada \
     -v "${INSTALL_PATH}":/airship-components \
     quay.io/airshipit/armada:latest \
     apply /airskiff.yaml --target-manifest $TARGET_MANIFEST
+
+# Set back permissions of the file
+sudo chmod "${AIRSKIFF_PERMISSIONS}" airskiff.yaml