Consume validate_host parameters from site-variables

The settings are in the site-variables.yaml file, we don't need to
provide them in the job anymore.

Also, move validate-host earlier so that we collect the generated
inventory file and check network connectivity before we attempt to push
git repos over the wire.

Depends-On: I632a32fdfac4bfe57eb269ac8e183fb8df34d48f
Change-Id: I1131eb47f836f8c86b7e9e6329199612243873aa

playbooks/base-test/pre.yaml

@@ -2,14 +2,10 @@
   roles:
     - add-build-sshkey
     - start-zuul-console
+    - validate-host
     - use-cached-repos
     - mirror-workspace-git-repos
-    - role: validate-host
-      # TODO(mordred) When we have site-local variables, these should go there
-      zuul_traceroute_host: git.openstack.org
-      zuul_image_manifest: /etc/dib-builddate.txt
-    - role: configure-mirrors
-      mirror_fqdn: "{{ zuul_site_mirror_fqdn }}"
+    - configure-mirrors
     - role: fetch-zuul-cloner
       destination: "/usr/zuul-env/bin/zuul-cloner"
       repo_src_dir: "~/src/git.openstack.org"

playbooks/base/pre.yaml

@@ -2,14 +2,10 @@
   roles:
     - add-build-sshkey
     - start-zuul-console
+    - validate-host
     - use-cached-repos
     - mirror-workspace-git-repos
-    - role: validate-host
-      # TODO(mordred) When we have site-local variables, these should go there
-      zuul_traceroute_host: git.openstack.org
-      zuul_image_manifest: /etc/dib-builddate.txt
-    - role: configure-mirrors
-      mirror_fqdn: "{{ zuul_site_mirror_fqdn }}"
+    - configure-mirrors
     - role: fetch-zuul-cloner
       destination: "/usr/zuul-env/bin/zuul-cloner"
       repo_src_dir: "~/src/git.openstack.org"

playbooks/python-tarball/pre.yaml

@@ -3,7 +3,5 @@
     - role: bindep
       bindep_profile: test
       bindep_dir: "src/{{ zuul.project.canonical_name }}"
-      bindep_command: /usr/bindep-env/bin/bindep
-      bindep_fallback: /usr/local/jenkins/common_data/bindep-fallback.txt
     - ensure-tox
     - revoke-sudo