initial code migration from xos repo
Change-Id: I8c848929ec4583a7a18ba9da44095f8f688f96c0
diff --git a/xos/api/service/hpc/hpc_config.py b/xos/api/service/hpc/hpc_config.py
new file mode 100644
index 0000000..a181a1c
--- /dev/null
+++ b/xos/api/service/hpc/hpc_config.py
@@ -0,0 +1,131 @@
+from django.http import HttpResponse, HttpResponseServerError
+from core.models import *
+from services.hpc.models import *
+from services.requestrouter.models import *
+import xos.settings
+import json
+import os
+import time
+
+def get_service_slices(service):
+ try:
+ return service.slices.all()
+ except:
+ # this field used to be improperly named, and makemigrations won't fix it
+ return service.service.all()
+
+def HpcConfig(request):
+ hpcSlice=None
+ cmiSlice=None
+ redirSlice=None
+ demuxSlice=None
+
+ node_slicename = request.GET.get("slicename", None)
+ if not node_slicename:
+ return HttpResponseServerError("Error: no slicename passed in request")
+
+ # search for an HPC Service that owns the slicename that was passed
+ # to us.
+ hpc=None
+ for candidate in HpcService.objects.all():
+ if candidate.cmi_hostname == node_slicename:
+ # A hack for standalone CMIs that aren't managed by XOS. Set
+ # /etc/slicename to cmi_hostname that's configured in the
+ # HPCService object.
+ hpc = candidate
+
+ for slice in get_service_slices(candidate):
+ if slice.name == node_slicename:
+ hpc = candidate
+
+ if (not hpc):
+ return HttpResponseServerError("Error: no HPC service")
+
+ for slice in get_service_slices(hpc):
+ if "cmi" in slice.name:
+ cmiSlice = slice
+ elif ("hpc" in slice.name) or ("vcoblitz" in slice.name):
+ hpcSlice = slice
+ elif "redir" in slice.name:
+ redirSlice = slice
+ elif "demux" in slice.name:
+ demuxSlice = slice
+
+ if (hpc.cmi_hostname):
+ cmi_hostname = hpc.cmi_hostname
+ else:
+ if not cmiSlice:
+ return HttpResponseServerError("Error: no CMI slice")
+
+ if len(cmiSlice.instances.all())==0:
+ return HttpResponseServerError("Error: CMI slice has no instances")
+
+ # for now, assuming using NAT
+ cmi_hostname = cmiSlice.instances.all()[0].node.name
+
+ if not hpcSlice:
+ return HttpResponseServerError("Error: no HPC slice")
+
+ if (redirSlice==None) or (demuxSlice==None):
+ # The HPC Service didn't have a dnsredir or a dnsdemux, so try looking
+ # in the RequestRouterService for one.
+
+ rr = RequestRouterService.objects.all()
+ if not (rr):
+ return HttpResponseServerError("Error: no RR service")
+
+ rr = rr[0]
+ try:
+ slices = rr.slices.all()
+ except:
+ # this field used to be improperly named, and makemigrations won't fix it
+ slices = rr.service.all()
+ for slice in slices:
+ if "redir" in slice.name:
+ redirSlice = slice
+ elif "demux" in slice.name:
+ demuxSlice = slice
+
+ if not redirSlice:
+ return HttpResponseServerError("Error: no dnsredir slice")
+
+ if not demuxSlice:
+ return HttpResponseServerError("Error: no dnsdemux slice")
+
+ d = {}
+ d["hpc_slicename"] = hpcSlice.name
+ d["redir_slicename"] = redirSlice.name
+ d["demux_slicename"] = demuxSlice.name
+ d["cmi_hostname"] = cmi_hostname
+ d["xos_hostname"] = xos.settings.RESTAPI_HOSTNAME
+ d["xos_port"] = str(xos.settings.RESTAPI_PORT)
+
+ if hpc.hpc_port80:
+ d["hpc_port80"] = "True"
+ else:
+ d["hpc_port80"] = "False"
+
+ return HttpResponse("""# auto-generated by HpcConfig
+ENABLE_PLC=False
+ENABLE_PS=True
+BASE_HRN="princeton"
+RELEVANT_SERVICE_NAMES=['vcoblitz', 'coredirect', 'codnsdemux', "syndicate_comon_server"]
+COBLITZ_SLICE_NAME=BASE_HRN+"_vcoblitz"
+COBLITZ_SLICE_ID=70
+COBLITZ_PS_SLICE_NAME="{hpc_slicename}"
+DNSREDIR_SLICE_NAME=BASE_HRN+"_coredirect"
+DNSREDIR_SLICE_ID=71
+DNSREDIR_PS_SLICE_NAME="{redir_slicename}"
+DNSDEMUX_SLICE_NAME=BASE_HRN+"_codnsdemux"
+DNSDEMUX_SLICE_ID=69
+DNSDEMUX_PS_SLICE_NAME="{demux_slicename}"
+CMI_URL="http://{cmi_hostname}/"
+CMI_HTTP_PORT="8004"
+CMI_HTTPS_PORT="8003"
+PUPPET_MASTER_HOSTNAME="{cmi_hostname}"
+PUPPET_MASTER_PORT="8140"
+PS_HOSTNAME="{xos_hostname}"
+PS_PORT="{xos_port}"
+COBLITZ_PORT_80={hpc_port80}
+""".format(**d))
+