Refactoring in progress...

[nodemanager.git] / plc.py

diff --git a/plc.py b/plc.py
deleted file mode 100644 (file)
index 0d705c0..0000000
--- a/plc.py
+++ /dev/null
@@ -1,123 +0,0 @@
-"""Parse slices.xml.  This file will become obsolete when the new API comes online."""
-
-import base64
-import sys
-sys.path.append('/usr/local/planetlab/bin')
-import SslFetch
-import time
-import xml.parsers.expat
-
-from config import *
-import database
-import logger
-
-
-_worker = SslFetch.Worker(SA_HOSTNAME, cacert_file='/usr/boot/cacert.pem')
-
-def fetch(filename):
-    logger.log('fetching %s' % filename)
-    (rc, data) = _worker.fetch(filename)
-    if rc == 0:
-        logger.log('fetch succeeded')
-        return data
-    else:
-        # XXX - should get a better error message from SslFetch/libcurl
-        curl_doc = 'http://curl.haxx.se/libcurl/c/libcurl-errors.html'
-        raise 'fetch failed, rc=%d (see %s)' % (rc, curl_doc)
-
-
-delegate_key = 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEAzNQIrVC9ZV9iDgu5/WXxcH/SyGdLG45CWXoWWh37UNA4dCVVlxtQ96xF7poolnxnM1irKUiXx85FsjA37z6m7IWl1h9uMYEJEvYkkxApsCmwm8C02m/BsOWK4Zjh4sv7QTeDgDnqhwnBw/U4jnkt8yKfVTBTNUY01dESzOgBfBc= root@yankee.cs.princeton.edu'
-
-def fetch_and_update():
-    sx = slices_xml(fetch('/xml/slices-0.5.xml'))
-    # sx = slices_xml(open('/root/slices-0.5.xml').read())
-    recs = [{'record_key': 'timestamp', 'type': 'timestamp', 'timestamp': time.time()}]
-    recs.append({'record_key': 'delegate_del_snoop', 'timestamp': time.time(), 'account_type': 'delegate', 'name': 'del_snoop', 'ssh_keys': delegate_key, 'plc_instantiated': True})
-    recs.append({'record_key': 'bwcap', 'timestamp': time.time(), 'cap': 5000000000, 'exempt_ips': ['127.0.0.1']})
-    for id, name in sx.id_name.iteritems():
-        rec = {}
-        rec['record_key'] = 'sliver_' + name
-        rec['account_type'] = 'sliver'
-        rec['name'] = name
-        rec['expiry'] = sx.id_expiry[id]
-        rec['timestamp'] = sx.id_ts.get(id) or time.time()
-        rec['delegations'] = [('del_snoop', 'GetRSpec')]
-        rec['id'] = id
-        rec['rspec'] = sx.get_rspec(id)
-        ssh_keys = []
-        for uid in sx.id_uids[id]: ssh_keys.extend(sx.uid_keys[uid])
-        rec['ssh_keys'] = '\n'.join(ssh_keys)
-        rec['plc_instantiated'] = True
-        rec['initscript'] = base64.b64encode('#!/bin/sh\n/bin/echo hello >/world.txt')
-        recs.append(rec)
-    database.deliver_records(recs)
-
-
-node_id = None
-
-def get_node_id():
-    global node_id
-    if node_id == None:
-        filename = '/etc/planetlab/node_id'
-        logger.log('reading node id from %s' % filename)
-        id_file = open(filename)
-        node_id = int(id_file.readline())
-        id_file.close()
-    return node_id
-
-
-class slices_xml:
-    def __init__(self, data):
-        self.node_id = get_node_id()
-        self.id_name = {}
-        self.id_expiry = {}
-        self.id_uids = {}
-        self.uid_keys = {}
-        self.id_rspec = {}
-        self.id_ts = {}
-        parser = xml.parsers.expat.ParserCreate()
-        parser.StartElementHandler = self._start_element
-        parser.CharacterDataHandler = self._char_data
-        isfinal = True
-        parser.Parse(data, isfinal)
-
-    def get_rspec(self, id):
-        rspec = DEFAULT_RSPEC.copy()
-        rspec.update(self.id_rspec[id])
-        return rspec
-
-    def _start_element(self, name, attrs):
-        self.last_tag = name
-        if   name == u'slice':
-            self.id = int(attrs[u'id'])
-            self.name = str(attrs[u'name'])
-            self.expiry = int(attrs[u'expiry'])
-        elif name == u'timestamp':
-            self.id_ts[self.id] = int(attrs[u'value'])
-        elif name == u'node':
-            # remember slices with slivers on us
-            nid = int(attrs[u'id'])
-            if nid == self.node_id:
-                self.id_name[self.id] = self.name
-                self.id_expiry[self.id] = self.expiry
-                self.id_uids[self.id] = []
-                self.id_rspec[self.id] = {}
-        elif name == u'user':
-            # remember users with slices with slivers on us
-            if self.id in self.id_name:
-                uid = int(attrs[u'person_id'])
-                self.id_uids[self.id].append(uid)
-                self.uid_keys[uid] = []
-        elif name == u'resource':
-            self.rname = str(attrs[u'name'])
-        elif name == u'key':
-            # remember keys of users with slices with slivers on us
-            uid = int(attrs[u'person_id'])
-            if uid in self.uid_keys:
-                self.uid_keys[uid].append(str(attrs[u'value']))
-
-    def _char_data(self, data):
-        if self.last_tag == u'value' and self.id in self.id_name:
-            try: self.id_rspec[self.id][self.rname] = int(data)
-            except ValueError: pass
-        self.last_tag = u''