From 708160739fbebc8cd716c2f00be6900e1e9b55f5 Mon Sep 17 00:00:00 2001
From: Sapan Bhatia <sapanb@cs.princeton.edu>
Date: Wed, 28 Oct 2009 20:36:46 +0000
Subject: [PATCH] This is the patch to be applied to the NodeManager for the
 upcoming deployment.

---
 vsys-privs-module-patch.patch | 126 ++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 vsys-privs-module-patch.patch

diff --git a/vsys-privs-module-patch.patch b/vsys-privs-module-patch.patch
new file mode 100644
index 0000000..db24581
--- /dev/null
+++ b/vsys-privs-module-patch.patch
@@ -0,0 +1,126 @@
+--- plugins/vsys_privs.py	(.../NodeManager-1.8-18)	(revision 0)
++++ plugins/vsys_privs.py	(.../NodeManager-1.8-19)	(revision 15536)
+@@ -0,0 +1,122 @@
++"""
++vsys sub-configurator.  Maintains configuration parameters associated with vsys scripts.
++All slice attributes with the prefix vsys_ are written into configuration files on the
++node for the reference of vsys scripts.
++"""
++
++import logger
++import os
++from sets import Set
++
++VSYS_PRIV_DIR = "/etc/planetlab/vsys-attributes"
++
++def start(options, conf):
++    logger.log("vsys_privs plugin v0.1")
++    if (not os.path.exists(VSYS_PRIV_DIR)):
++        os.makedirs(VSYS_PRIV_DIR)
++        logger.log("Created vsys attributes dir")
++
++def GetSlivers(data, config=None, plc=None):
++    privs = {}
++
++    # Parse attributes and update dict of scripts
++    for sliver in data['slivers']:
++        slice = sliver['name']
++        for attribute in sliver['attributes']:
++            tag = attribute['tagname']
++            value = attribute['value']
++            if tag.startswith('vsys_'):
++                if (privs.has_key(slice)):
++                    slice_priv = privs[slice]
++                    if (slice_priv.has_key(tag)):
++                        slice_priv[tag].append(value)
++                    else:
++                        slice_priv[tag]=[value]
++
++                    privs[slice] = slice_priv
++                else:
++                    privs[slice] = {tag:[value]}
++
++    cur_privs = read_privs()
++    write_privs(cur_privs, privs)
++
++def read_privs():
++    cur_privs={}
++    priv_finder = os.walk(VSYS_PRIV_DIR)
++    priv_find = [i for i in priv_finder]
++    (rootdir,slices,foo) = priv_find[0]
++
++    for slice in slices:
++        cur_privs[slice]={}
++
++    if (len(priv_find)>1):
++        for (slicedir,bar,tagnames) in priv_find[1:]:
++            if (bar != []):
++                # The depth of the vsys-privileges directory = 1
++                pass
++
++            for tagname in tagnames:
++                tagfile = os.path.join(slicedir,tagname)
++                values_n = file(tagfile).readlines()
++                values = map(lambda s:s.rstrip(),values_n)
++                slice = os.path.basename(slicedir)
++                cur_privs[slice][tagname]=values
++
++    return cur_privs
++
++def write_privs(cur_privs,privs):
++    for slice in privs.keys():
++        variables = privs[slice]
++        slice_dir = os.path.join(VSYS_PRIV_DIR,slice)
++        if (not os.path.exists(slice_dir)):
++            os.mkdir(slice_dir)
++
++        # Add values that do not exist
++        for k in variables.keys():
++            v = variables[k]
++            if (cur_privs.has_key(slice) 
++                    and cur_privs[slice].has_key(k)
++                    and cur_privs[slice][k] == v):
++                # The binding has not changed
++                pass
++            else:
++                v_file = os.path.join(slice_dir, k)
++                f = open(v_file,'w')
++                data = '\n'.join(v)
++                f.write(data)
++                f.close()
++                logger.log("Added vsys attribute %s for %s"%(k,slice))
++
++    # Remove files and directories 
++    # that are invalid
++    for slice in cur_privs.keys():
++        variables = cur_privs[slice]
++        slice_dir = os.path.join(VSYS_PRIV_DIR,slice)
++
++        # Add values that do not exist
++        for k in variables.keys():
++            if (privs.has_key(slice) 
++                    and cur_privs[slice].has_key(k)):
++                # ok, spare this tag
++                print "Sparing  %s, %s "%(slice,k) 
++            else:
++                v_file = os.path.join(slice_dir, k)
++                os.remove(v_file)    
++
++        if (not privs.has_key(slice)):
++            os.rmdir(slice_dir)
++
++
++if __name__ == "__main__":           
++    test_slivers = {'slivers':[
++        {'name':'foo','attributes':[
++            {'tagname':'vsys_m','value':'2'},
++            {'tagname':'vsys_m','value':'3'},
++            {'tagname':'vsys_m','value':'4'}
++            ]},
++        {'name':'bar','attributes':[
++            #{'tagname':'vsys_x','value':'z'}
++            ]}
++        ]}
++    start(None,None)
++    GetSlivers(test_slivers)
+
-- 
2.43.0