Add simple keter bundle tests with wildcard assignments

bundles/bar/config/keter.yaml

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+# bar
+static-hosts:
+    - host: bar.example.com
+      root: ../static
+    - host: bar.*.example.com
+      root: ../static
+    - host: bar.*.*.example.com
+      root: ../static
+    - host: bar.*.*.*.example.com
+      root: ../static

bundles/bar/static/test

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+bar

bundles/baz/config/keter.yaml

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+# baz
+static-hosts:
+    - host: baz.example.com
+      root: ../static
+    - host: baz.*.example.com
+      root: ../static
+    - host: baz.*.*.example.com
+      root: ../static
+    - host: baz.*.*.*.example.com
+      root: ../static

bundles/baz/static/test

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+baz

bundles/foo/config/keter.yaml

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+# foo
+static-hosts:
+    - host: foo.example.com
+      root: ../static
+    - host: foo.*.example.com
+      root: ../static
+    - host: foo.*.*.example.com
+      root: ../static
+    - host: foo.*.*.*.example.com
+      root: ../static

bundles/foo/static/test

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+foo

bundles/make-bundles.sh

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+#!/bin/bash -ex
+
+pushd `dirname $0`
+
+rm ./*.keter -f
+
+pushd ./foo
+tar czfv ../foo.keter *
+popd
+
+pushd ./bar
+tar czfv ../bar.keter *
+popd 
+
+pushd ./baz
+tar czfv ../baz.keter *
+popd
+
+pushd ./qux
+tar czfv ../qux.keter *
+popd
+
+cp ./*.keter /opt/keter/incoming/

bundles/qux/config/keter.yaml

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+# qux
+static-hosts:
+    - host: qux.example.com
+      root: ../static
+    - host: qux.*.example.com
+      root: ../static
+    - host: qux.*.*.example.com
+      root: ../static
+    - host: qux.*.*.*.example.com
+      root: ../static

bundles/qux/static/test

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+qux

bundles/readme.md

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+These subfolders contain (nearly) empty example keter applications to be made
+into bundles for deployment. The goal of these different bundles is to ensure
+that adding and removing bundles is reproducible.
+
+To this end, a structure of hostnames are reserved by the child applications.
+Each application also contains a script that will deploy it (on a system with
+the recommended default keter location), test that particular bundle's config,
+and un-deploy it.
+
+Each bundle contains only a static "test" file that contains the name of the
+bundle. That file is then exposed to a variety of hostnames:
+
+
+```yaml
+# foo.yaml
+static-hosts:
+    - host: foo.example.com
+      root: ../static
+    - host: foo.*.example.com
+      root: ../static
+    - host: foo.*.*.example.com
+      root: ../static
+    - host: foo.*.*.*.example.com
+      root: ../static
+```