diff --git a/planetstack/hpc_observer/hpclib.py b/planetstack/hpc_observer/hpclib.py
new file mode 100644
index 0000000..e91a468
--- /dev/null
+++ b/planetstack/hpc_observer/hpclib.py
@@ -0,0 +1,103 @@
+import os
+import base64
+import sys
+
+if __name__ == '__main__':
+    sys.path.append("/opt/planetstack")
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
+
+from planetstack.config import Config
+from core.models import Service
+from hpc.models import HpcService
+from requestrouter.models import RequestRouterService
+from util.logger import Logger, logging
+
+logger = Logger(level=logging.INFO)
+
+class HpcLibrary:
+    def extract_slice_info(self, service):
+        """ Produce a dict that describes the slices for the CMI
+
+            slice_coblitz = <name of coblitz slice>
+            service_coblitz = <name of coblitz service>
+            hostname_coblitz = <name of first coblitz slice>
+            hostnames_coblitz = <name_of_first_cob_slice>,<name_of_second_cob_slice>,...
+
+            slice_cmi = <name of cmi slice>
+            ...
+        """
+
+        slicenames = {}
+        slicehosts = {}
+        for slice in service.service.all():
+            name = slice.name
+            if not ("_" in name):
+                continue
+
+            if "coblitz" in name:
+                slicenames["coblitz"] = name
+                slicehosts["coblitz"] = [sliver.node.name for sliver in slice.slivers.all()]
+            elif "cmi" in name:
+                slicenames["cmi"] = name
+                slicehosts["cmi"] = [sliver.node.name for sliver in slice.slivers.all()]
+            elif "dnsredir" in name:
+                slicenames["dnsredir"] = name
+                slicehosts["dnsredir"] = [sliver.node.name for sliver in slice.slivers.all()]
+            elif "dnsdemux" in name:
+                slicenames["dnsdemux"] = name
+                slicehosts["dnsdemux"] = [sliver.node.name for sliver in slice.slivers.all()]
+
+        base_hrn = None
+        if "coblitz" in slicenames:
+            base_hrn = slicenames["coblitz"].split("_")[0]
+
+        mapping = {}
+        mapping["base_hrn"] = base_hrn
+        for (k,v) in slicenames.items():
+            mapping["slice_" + k] = v
+            mapping["service_" + k] = v.split("_",1)[1]
+        for (k,v) in slicehosts.items():
+            mapping["hostname_" + k] = v[0]
+            mapping["hostnames_" + k] = ",".join(v)
+
+        return mapping
+
+    def write_slices_file(self, hpc_service, rr_service):
+        mapping = self.extract_slice_info(hpc_service)
+        rr_mapping = self.extract_slice_info(rr_service)
+
+        mapping.update(rr_mapping)
+
+        print mapping
+
+        fn = "/tmp/slices"
+
+        f = open(fn, "w")
+        f.write("""
+ENABLE_PLC=True
+ENABLE_PS=False
+BASE_HRN="%(base_hrn)s"
+RELEVANT_SERVICE_NAMES=['%(service_coblitz)s', '%(service_dnsredir)s', '%(service_dnsdemux)s']
+COBLITZ_SLICE_NAME="%(slice_coblitz)s"
+COBLITZ_SLICE_ID=1
+COBLITZ_PS_SLICE_NAME="%(slice_coblitz)s"
+DNSREDIR_SLICE_NAME="%(slice_dnsredir)s"
+DNSREDIR_SLICE_ID=2
+DNSREDIR_PS_SLICE_NAME="%(slice_dnsredir)s"
+DNSDEMUX_SLICE_NAME="%(slice_dnsdemux)s"
+DNSDEMUX_SLICE_ID=3
+DNSDEMUX_PS_SLICE_NAME="%(slice_dnsdemux)s"
+CMI_URL="http://%(hostname_cmi)s"
+CMI_HTTP_PORT="8004"
+CMI_HTTPS_PORT="8003"
+PUPPET_MASTER_HOSTNAME="%(hostname_cmi)s"
+PUPPET_MASTER_PORT="8140"
+""" % mapping)
+
+if __name__ == '__main__':
+    hpc_service = HpcService.objects.get()
+    rr_service = RequestRouterService.objects.get()
+    lib = HpcLibrary()
+    lib.write_slices_file(hpc_service, rr_service)
+
+