option -c allows to retrieve&cache the actual qemu boxes as configured

in LocalTestResources on the testmaster

diff --git a/scripts/manage-infrastructure.py b/scripts/manage-infrastructure.py
index 3312d92..685c964 100755 (executable)
--- a/scripts/manage-infrastructure.py
+++ b/scripts/manage-infrastructure.py
@@ -9,21 +9,40 @@ class BuildBoxes:
 
     # everything in the onelab.eu domain
     domain = 'pl.sophia.inria.fr'
-    testmaster = 'testmaster'
     build_boxes = [ "mirror", "liquid", "reed", "velvet", ]
     plc_boxes = [ "testplc" ]
-    # qemu32-5 is officially dead
-    qemu_boxes = \
-        [ "qemu64-%d"%i for i in range (1,4) ] + \
-        [ "qemu32-%d"%i for i in range (1,5) ]
-    test_boxes = plc_boxes + qemu_boxes
+    testmaster = 'testmaster'
     testmaster_boxes = [ testmaster ]
+    # cache the list of qemu boxes in ~/.qemu-boxes
+    # this can be refreshed by running -c
+    qemu_boxes=[]
+
+    def cache_file (self): return os.path.expanduser("~/.qemu-boxes")
+
+    def load_cache (self):
+        cache=self.cache_file()
+        if os.path.isfile(cache):
+            self.qemu_boxes=file(cache).read().split()
+        self.test_boxes = self.plc_boxes + self.qemu_boxes
+
+    # run LocalTestResources on testmaster
+    def refresh_cache (self):
+        retrieved= \
+            self.backquote_ssh(self.fqdn(self.testmaster),['LocalTestResources.py'],trash_err=True)
+        remove="."+BuildBoxes.domain
+        retrieved = [ x.replace(remove,"").strip() for x in retrieved.split()]
+        self.qemu_boxes = retrieved
+        cache=self.cache_file()
+        file(cache,'w').write(' '.join(self.qemu_boxes)+'\n')
+        print "New contents of %s:"%cache
+        print file(cache).read(),
 
     def __init__ (self):
         # dummy defaults
         self.boxes = []
         self.do_tracker_qemus = False
         self.do_tracker_plcs = False
+        self.load_cache()
 
     def fqdn (self, box):
         return "%s.%s"%(box,self.domain)
@@ -307,9 +326,16 @@ Default is to act on test boxes only"""
                            help="Display the testmaster status")
         parser.add_option ("-d","--disk",action="store_true",dest="show_disk",default=False,
                            help="Only inspects disk status")
+        parser.add_option ("-c","--refresh-cache",action="store_true",dest="refresh_cache", default=False,
+                           help="Refresh cached list of qemu boxes at testmaster - implies -q")
 
         (self.options,args) = parser.parse_args()
 
+        # -c implies -q
+        if self.options.refresh_cache:
+            self.options.qemu_only=True
+            self.refresh_cache()
+
         # use given hostnames if provided
         if args:
             self.boxes=args