Upgraded xenial to bionic stemcell

Signed-off-by: Esteban Foronda <eforonda@vmware.com>
Co-authored-by: Taylor Silva <tsilva@pivotal.io>

hack/bosh-topgun

@@ -35,7 +35,7 @@ fly -t ci execute \
   -i concourse=. \
   -i ci="$ci" \
   -i concourse-release=${release_input} \
-  -m stemcell=gcp-xenial-stemcell \
+  -m stemcell=gcp-bionic-stemcell \
   --tag bosh \
   -- \
   --stream \

topgun/deployments/concourse.yml

@@ -15,7 +15,7 @@ instance_groups:
   networks: [{name: test}]
   azs: [z1]
   vm_type: test
-  stemcell: xenial
+  stemcell: bionic
   jobs:
   - release: bpm
     name: bpm
@@ -55,7 +55,7 @@ instance_groups:
   # don't bother with persistent disk
   # persistent_disk: 10240
   vm_type: test
-  stemcell: xenial
+  stemcell: bionic
   jobs:
   - release: postgres
     name: postgres
@@ -72,7 +72,7 @@ instance_groups:
   networks: [{name: test}]
   azs: [z1]
   vm_type: test
-  stemcell: xenial
+  stemcell: bionic
   jobs:
   - release: concourse((suite))
     name: worker
@@ -94,8 +94,8 @@ variables:
   type: ssh
 
 stemcells:
-- alias: xenial
-  os: ubuntu-xenial
+- alias: bionic
+  os: ubuntu-bionic
   version: ((stemcell_version))
 
 update:

topgun/deployments/git-server.yml

@@ -11,7 +11,7 @@ instance_groups:
   networks: [{name: test}]
   azs: [z1]
   vm_type: test
-  stemcell: xenial
+  stemcell: bionic
   jobs:
   - release: git-server
     name: git-server
@@ -20,8 +20,8 @@ instance_groups:
       - some-repo
 
 stemcells:
-- alias: xenial
-  os: ubuntu-xenial
+- alias: bionic
+  os: ubuntu-bionic
   version: ((stemcell_version))
 
 update:

topgun/operations/add-credhub.yml

@@ -39,7 +39,7 @@
     azs: [z1]
     persistent_disk: 10240
     vm_type: test
-    stemcell: xenial
+    stemcell: bionic
     jobs:
     - release: bpm
       name: bpm
@@ -261,4 +261,4 @@
   path: /instance_groups/name=web/update?
   value:
     update_watch_time: 1000-150000
-    canary_watch_time: 1000-150000
+    canary_watch_time: 1000-150000

topgun/operations/add-empty-credhub.yml

@@ -6,5 +6,5 @@
     networks: [{name: test}]
     azs: [z1]
     vm_type: test
-    stemcell: xenial
+    stemcell: bionic
     jobs: []

topgun/operations/add-git-server.yml

@@ -13,7 +13,7 @@
     networks: [{name: test}]
     azs: [z1]
     vm_type: test
-    stemcell: xenial
+    stemcell: bionic
     jobs:
     - release: git-server
       name: git-server

topgun/operations/add-other-worker.yml

@@ -6,7 +6,7 @@
     networks: [{name: test}]
     azs: [z1]
     vm_type: test
-    stemcell: xenial
+    stemcell: bionic
     jobs:
     - release: concourse((suite))
       name: worker

topgun/operations/add-vault.yml

@@ -14,7 +14,7 @@
     azs: [z1]
     persistent_disk: 10240
     vm_type: test
-    stemcell: xenial
+    stemcell: bionic
     jobs:
     - release: vault
       name: vault