Switch to Docker base-jobs

Change-Id: I9e283bff77997008bc4522f7c7f361ef34bad9ed

.zuul.yaml

@@ -1,22 +1,6 @@
-- secret:
-    name: smokeping-dockerhub
-    data:
-      username: vexxhostzuul
-      password: !encrypted/pkcs1-oaep
-        - S+fYF3N4Wj0zKHP1zcERJ5SeVhataWiAOglJRF282k1bZo4GnzXyE7pGqc3cgR5qNYvLz
-          SpezbcfijWMbmVS2UTcj4q6uMDatfvXONN8yljzJ9Rf+NPp24K1LzRm+UhhQR3WerxFtw
-          yJ1g+rlhtu9F7oQL6szrGXndqFAOWbSzPt+rI2qYI0GSb5N3iU0i68+L3wlFfopsgeYzk
-          Ofle2A4aNPombFz6wYORwwpNBiK39YgyZr9hvvl3uenMc1No+f4bD4bO5pUmHM4sUyADL
-          a9Yj2YX6tWBIYuhvq61UL4DYto1qnfqKYjinznCYZOe5zYSpOY9OuW3607p/6dc16+6oi
-          prFefhHAGbJIH+fKeCluYk+2yVJcJZcUYYQX0ThFWChx8RaATib0hFgyQpW7yZXQb1kr8
-          NXX/2drq9oJx++aBHZEWHZrxOlIac5hWvL4k/6s5oG14R6e3UC9SVf+cyOoAjgd3JLUMS
-          1UsuJyP6JLoKLzXleB10QC6Y10G4zhDa/Gx8uPZ36gOyOcRg2VZvXh9v419wQqtUu+MYe
-          RPHfxXA+5z8E4LnUFrbMl8uZNYwDLeWBCVbhEQrcWRNZ4bOXenFUPxQTPj4Rt4lJZPnaY
-          0itJkSoR1WjUDOuFSCbsFQ/CdeS9tre0+bWjJX+KaBTCJP2ejA9y8MXEEq5Hcg=
-
 - job:
     name: smokeping_prober:image:build
-    parent: opendev-build-docker-image
+    parent: vexxhost-build-docker-image
     provides: smokeping_prober:image
     dependencies:
       - opendev-buildset-registry
@@ -29,26 +13,18 @@
 
 - job:
     name: smokeping_prober:image:upload
-    parent: opendev-upload-docker-image
+    parent: vexxhost-upload-docker-image
     provides: smokeping_prober:image
     files: *smokeping_prober_files
     vars: *smokeping_prober_images
     dependencies:
       - opendev-buildset-registry
-    secrets:
-      - name: docker_credentials
-        secret: smokeping-dockerhub
-        pass-to-parent: true
 
 - job:
     name: smokeping_prober:image:promote
-    parent: opendev-promote-docker-image
+    parent: vexxhost-promote-docker-image
     files: *smokeping_prober_files
     vars: *smokeping_prober_images
-    secrets:
-      - name: docker_credentials
-        secret: smokeping-dockerhub
-        pass-to-parent: true
 
 - job:
     name: smokeping_prober-helm:functional