workflows: Install and use ansible in a virtualenv

Signed-off-by: David Galloway <[email protected]>

.github/workflows/tests.yml

@@ -11,11 +11,12 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get purge ansible
-        sudo apt-get install python3-setuptools
-        pip3 install ansible --user
+        sudo apt-get install python3-setuptools python3-virtualenv
+        virtualenv venv
+        source ./venv/bin/activate
+        pip3 install ansible==2.10.7
     - name: ansible-playbook syntax check
       run: |
-        export PATH=$PATH:$HOME/.local/bin
         sed -i /^vault_password_file/d ansible.cfg
         ansible-playbook -i localhost, cephlab.yml --syntax-check
   ansible-lint:
@@ -26,13 +27,14 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get purge ansible
-        sudo apt-get install python3-setuptools
+        sudo apt-get install python3-setuptools python3-virtualenv
+        virtualenv venv
+        source ./venv/bin/activate
         # This pinned ansible version should match teuthology's
         # requirements.txt.
         # And we choose an ansible-lint version to be compatible with this
         # Ansible version.
-        pip3 install ansible==2.10.7 ansible-lint[core]==5.4.0 --user
+        pip3 install ansible==2.10.7 ansible-lint[core]==5.4.0
     - name: Run ansible-lint
       run: |
-        export PATH=$PATH:$HOME/.local/bin
         ansible-lint -v roles/*