CI: Update assumptions about latest published Helm chart version

.travis.yml

@@ -103,25 +103,14 @@ jobs:
     - stage: test
       name: chart:install-latest-then-upgrade
       script:
-        ## NOTE: To use Pebble in Travis CI, we require the ability to mount a
-        ##       certificate on the autohttps pod, but we can't because that
-        ##       configuration ability was added after 0.9.0. Due to this
-        ##       autohttps is disabled here.
-        ##       The current dev-config.yaml require network policies to contain
-        ##       more pre-defined defaults to reach the DNS server not present
-        ##       in 0.9.0, and are due to this disabled.
-        - |
-            helm install jupyterhub jupyterhub/jupyterhub --values dev-config.yaml \
-                --set proxy.https.enabled=false \
-                --set hub.networkPolicy.enabled=false \
-                --set proxy.networkPolicy.enabled=false \
-                --set singleuser.networkPolicy.enabled=false
+        # Install latest JupyterHub version from Helm chart repo
+        - helm install jupyterhub jupyterhub/jupyterhub --values dev-config.yaml
         - await_jupyterhub
+        - await_autohttps_tls_cert_acquisition
 
-        # Upgrade JupyterHub to what's locally available
+        # Upgrade to local Helm chart
         - helm upgrade jupyterhub ./jupyterhub --values dev-config.yaml
         - await_jupyterhub
-        - await_autohttps_tls_cert_acquisition
 
         # Run tests
         - pytest --verbose --exitfirst ./tests || (full_namespace_report && exit 1)

dev-config.yaml

@@ -23,8 +23,7 @@ proxy:
         subPath: root-cert.pem
         mountPath: /etc/pebble/root-cert.pem
     extraEnv:
-      - name: LEGO_CA_CERTIFICATES
-        value: /etc/pebble/root-cert.pem
+      LEGO_CA_CERTIFICATES: /etc/pebble/root-cert.pem
   chp:
     resources:
       requests:

tools/templates/lint-and-validate-values.yaml

@@ -154,8 +154,7 @@ proxy:
         cpu: 200m
         memory: 1Gi
     extraEnv:
-      - name: LEGO_CA_CERTIFICATES
-        value: /etc/pebble/root-cert.pem
+      LEGO_CA_CERTIFICATES: /etc/pebble/root-cert.pem
     nodeSelector:
       node-type: mock
     tolerations: