Force to /usr/bin/python in CI

.gitlab-ci.yml

@@ -16,7 +16,7 @@ variables:
   GS_ACCESS_KEY_ID: $GS_KEY
   GS_SECRET_ACCESS_KEY: $GS_SECRET
   CONTAINER_ENGINE: docker
-  SSH_USER: $GCE_USER
+  SSH_USER: root
   GCE_PREEMPTIBLE: "false"
   ANSIBLE_KEEP_REMOTE_FILES: "1"
   ANSIBLE_CONFIG: ./tests/ansible.cfg
@@ -34,14 +34,14 @@ variables:
 # us-west1-a
 
 before_script:
-    - pip install -r tests/requirements.txt
+    - /usr/bin/python -m pip install -r tests/requirements.txt
     - mkdir -p /.ssh
 
 .job: &job
   tags:
     - kubernetes
     - docker
-  image: quay.io/kubespray/kubespray:master
+  image: quay.io/kubespray/kubespray:latest
 
 .docker_service: &docker_service
   services:
@@ -61,6 +61,7 @@ before_script:
 .do_variableS: &do_variables
   PRIVATE_KEY: $DO_PRIVATE_KEY
   CI_PLATFORM: "do"
+  SSH_USER: root
 
 
 .testcases: &testcases
@@ -73,7 +74,8 @@ before_script:
       - $HOME/.cache
   before_script:
     - docker info
-    - pip install -r tests/requirements.txt
+    - /usr/bin/python -m pip install -r requirements.txt
+    - /usr/bin/python -m pip install -r tests/requirements.txt
     - mkdir -p /.ssh
     - mkdir -p $HOME/.ssh
     - ansible-playbook --version