refactoring of gitlab-ci and use of osmclient repo-index for testing

.gitlab-ci.yml

 ###############################################################################
-publish-repository:
-  # Builds the repository and pushes it to ftp site when a MR is accepted
-  image: ubuntu:18.04
-  stage: deploy
-  script:
+stages:
+  - build_and_test
+  - deploy
+
+before_script:  # TODO: how to reuse installation?
     - DEBIAN_FRONTEND=noninteractive apt update
-    - DEBIAN_FRONTEND=noninteractive apt install -y gcc git make python3 python3 python3-pip python3-pycurl python3-setuptools sshpass software-properties-common libcurl4-openssl-dev libssl-dev
+    - DEBIAN_FRONTEND=noninteractive apt install -y gcc git make python3 python3 python3-pip python3-pycurl python3-setuptools sshpass software-properties-common libcurl4-openssl-dev libssl-dev wget
     - git submodule init
     - git submodule update
     - python3 -m pip install wheel pyang pyangbind
     - git clone https://osm.etsi.org/gerrit/osm/IM.git
     - pip3 install -r IM/requirements.txt
     - pip3 install IM/
-    - git clone https://osm.etsi.org/gerrit/osm/osmclient.git
+    - git clone https://osm.etsi.org/gerrit/osm/osmclient.git@a06653517f253a15b10914d067c95d163f734ac2
     - pip3 install -r osmclient/requirements.txt
     - pip3 install osmclient/
     - rm -rf osmclient/ IM/
     - mv magma/* .
     - mv charm-packages/* .
-    # - LC_ALL=C.UTF-8 oLANG=C.UTF-8 osm -vvv repo-index --origin . --destination vnf-catalog
-    # - |
-    #     sshpass -p "$VNF_CATALOG_CREDENTIALS" sftp -o "StrictHostKeyChecking no" -P 29419 osmsupport@vnf-catalog.etsi.org << EOF
-    #       put -r vnf-catalog/* Testing
-    #     EOF
-  rules:
-    - if: '$CI_COMMIT_REF_PROTECTED == "true"'
-      when: on_success
+
 
 ###############################################################################
 build-local-repository:
   # Builds the repository locally but does not push if this is a new MR that
   # is still in development
-  image: python:latest
-  stage: build
+  image: ubuntu:18.04
+  stage: build_and_test
+  only:
+    - merge_requests
   script:
-    - DEBIAN_FRONTEND=noninteractive apt update
-    - DEBIAN_FRONTEND=noninteractive apt install -y gcc git make python3 python3 python3-pip python3-pycurl python3-setuptools sshpass software-properties-common wget
-    - git submodule init
-    - git submodule update
-    - python3 -m pip install wheel pyang pyangbind
-    - git clone https://osm.etsi.org/gerrit/osm/IM.git
-    - pip3 install -r IM/requirements.txt
-    - pip3 install IM/
-    - git clone https://osm.etsi.org/gerrit/osm/osmclient.git
-    - pip3 install -r osmclient/requirements.txt
-    - pip3 install osmclient/
-    - rm -rf osmclient/ IM/
-    - mv magma/* .
-    - mv charm-packages/* .
+    - echo "Build OK"
+    - osm -vvv repo-index --origin . --destination vnf-catalog
     # - LC_ALL=C.UTF-8 oLANG=C.UTF-8 osm -vvv repo-index --origin . --destination vnf-catalog
     # - |
     #     sshpass -p "$VNF_CATALOG_CREDENTIALS" sftp -o "StrictHostKeyChecking no" -P 29419 osmsupport@vnf-catalog.etsi.org << EOF
     #       put -r vnf-catalog/* Testing/Premerge
     #     EOF
-  rules:
-    - if: '$CI_COMMIT_REF_PROTECTED == "false"'
-      when: on_success
+
+
+publish-repository:
+  # Builds the repository and pushes it to ftp site when a MR is accepted  # TODO: how is it pushed?
+  image: ubuntu:18.04
+  stage: deploy
+  only:
+    - master
+  script:
+    - echo "Build OK"
+    # - LC_ALL=C.UTF-8 oLANG=C.UTF-8 osm -vvv repo-index --origin . --destination vnf-catalog
+    # - |
+    #     sshpass -p "$VNF_CATALOG_CREDENTIALS" sftp -o "StrictHostKeyChecking no" -P 29419 osmsupport@vnf-catalog.etsi.org << EOF
+    #       put -r vnf-catalog/* Testing
+    #     EOF