scripts: fix scale.sh script
scripts: fix scale.sh script

- generate a configuration for all agents so that they can contact the
  analyzer
- fix locust python file indentation

Change-Id: I25398112a8bcba18bd8e855ea31f906cdc161713
Reviewed-on: https://softwarefactory-project.io/r/6297
Tested-by: Jenkins CI <d95b56ce41a2e1ac4cecdd398defd7414407cc08@softwarefactory-project.io>
Reviewed-by: Sylvain Afchain <b9baee1c2e4cc202620c6529e0c0bd3dbc38b6dc@gmail.com>
Tested-by: Sylvain Afchain <b9baee1c2e4cc202620c6529e0c0bd3dbc38b6dc@gmail.com>
Workflow: Sylvain Afchain <b9baee1c2e4cc202620c6529e0c0bd3dbc38b6dc@gmail.com>

skydive-project/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive,safchain/skydive,lebauce/skydive,safchain/skydive,skydive-project/skydive,redhat-cip/skydive,safchain/skydive,lebauce/skydive,redhat-cip/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,skydive-project/skydive,safchain/skydive,safchain/skydive,skydive-project/skydive,skydive-project/skydive,safchain/skydive,lebauce/skydive,safchain/skydive,redhat-cip/skydive