Add Docker file and generate wrapper

CODEOWNERS

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+# This will cause InfraCore to be assigned review of any opened PRs against
+# the branches containing this file.
+# See https://help.github.com/en/articles/about-code-owners for info on how to
+# take ownership of parts of the code base that should be reviewed by another
+# team.
+
+*  @puppetlabs/infracore
+

Dockerfile

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+FROM python:3
+ADD generate.py /
+RUN pip install --upgrade pip
+#RUN pip install --upgrade --extra-index-url https://artifactory.delivery.puppetlabs.net/artifactory/api/pypi/pypi/simple infinitory
+RUN pip install git+git://github.com/puppetlabs/infinitory.git@setup_fixup
+CMD [ "python", "generate.py", "pe-master-infranext-prod-1.infc-aws.puppet.net" ]

generate.py

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+#!/usr/bin/env python3
+
+import sys
+import subprocess
+
+if len(sys.argv) == 1:
+    puppetdb = 'localhost'
+elif len(sys.argv) == 2:
+    puppetdb = sys.argv[1]
+else:
+    sys.exit("Expected 1 or 0 arguments. Got {}.".format(len(sys.argv) - 1))
+
+# Generate the report
+subprocess.check_call(
+    ["infinitory", "--host", "{}".format(puppetdb),
+        "--output", "/srv/infinitory/output"],
+    timeout=120)