push_gem.sh in fluent-plugin-k8s-metrics-agg-1.1.1

- old
+ new

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 set -e
+sudo apt-get update
 sudo apt-get install -y python-pip libpython-dev > /dev/null 2>&1
 echo "Installing aws cli..."
 sudo pip install awscli > /dev/null 2>&1
 echo "Pushing metrics-aggregator gem to s3..."
 aws s3 cp /tmp/pkg/*.gem s3://k8s-ci-artifacts/