Creating 3445 stemcell line

[#150179423](https://www.pivotaltracker.com/story/show/150179423)

Signed-off-by: Tom Viehman <[email protected]>

Author: pronoiac

ci/configure.sh

@@ -3,6 +3,6 @@
 set -eu
 
 fly -t production set-pipeline \
-  -p bosh:stemcells -c ci/pipeline.yml \
-  -l <(lpass show --note "concourse:production pipeline:bosh:stemcells") \
+  -p bosh:stemcells:3445.x -c ci/pipeline.yml \
+  -l <(lpass show --note "concourse:production pipeline:bosh:stemcells:3445.x") \
   -l <(lpass show --note "bats-concourse-pool:vsphere secrets")

ci/os-images/configure.sh

@@ -2,6 +2,8 @@
 
 set -eu
 
-fly -t production set-pipeline -p bosh:os-image \
+STEMCELL_VERSION=3445.x
+
+fly -t production set-pipeline -p bosh:os-image:$STEMCELL_VERSION \
     -c ci/os-images/pipeline.yml \
-    --load-vars-from <(lpass show -G "concourse:production pipeline:os-images" --notes)
+    --load-vars-from <(lpass show -G "concourse:production pipeline:os-images:$STEMCELL_VERSION" --notes)

ci/pipeline.yml

@@ -694,7 +694,7 @@ resources:
     type: git
     source:
       uri: https://github.com/cloudfoundry/bosh-linux-stemcell-builder
-      branch: master
+      branch: {{stemcell-branch}}
 
   - name: version
     type: semver