1 #!/usr/bin/env /usr/bin/plcsh
3 # Bootstraps the PLC database with a default administrator account and
4 # a default site, defines default slice attribute types, and
5 # creates/updates default system slices.
7 # Mark Huang <mlhuang@cs.princeton.edu>
8 # Copyright (C) 2006 The Trustees of Princeton University
13 from plc_config import PLCConfiguration
18 def GetMyPLCURL(): return g_url
23 # Get list of existing tag types
24 g_known_tag_types = [tag_type['tagname'] for tag_type in GetTagTypes()]
25 g_known_tag_types.sort()
27 def SetTagType(tag_type):
28 global g_known_tag_types
29 # Create/update default slice tag types
30 if tag_type['tagname'] not in g_known_tag_types:
32 g_known_tag_types.append(tag_type['tagname'])
33 g_known_tag_types.sort()
35 UpdateTagType(tag_type['tagname'], tag_type)
37 # Get list of existing (enabled, global) files
38 g_conf_files = GetConfFiles()
39 g_conf_files = filter(lambda conf_file: conf_file['enabled'] and \
40 not conf_file['node_ids'] and \
41 not conf_file['nodegroup_ids'],
43 g_dests = [conf_file['dest'] for conf_file in g_conf_files]
44 g_conf_files = dict(zip(g_dests, g_conf_files))
46 # Get list of existing initscripts
47 g_oldinitscripts = GetInitScripts()
48 g_oldinitscript_names = [script['name'] for script in g_oldinitscripts]
49 g_oldinitscripts = dict(zip(g_oldinitscript_names, g_oldinitscripts))
51 def SetInitScript(initscript):
52 global g_oldinitscripts, g_oldinitscript_names
53 if initscript['name'] not in g_oldinitscript_names:
54 initscript_id = AddInitScript(initscript)
55 g_oldinitscript_names.append(initscript['name'])
56 initscript['initscript_id']=initscript_id
57 g_oldinitscripts[initscript['name']]=initscript
59 orig_initscript = g_oldinitscripts[initscript['name']]
60 initscript_id = orig_initscript['initscript_id']
61 UpdateConfFile(initscript_id, initscript)
63 def SetConfFile(conf_file):
64 global g_conf_files, g_dests
65 if conf_file['dest'] not in g_dests:
66 AddConfFile(conf_file)
68 orig_conf_file = g_conf_files[conf_file['dest']]
69 conf_file_id = orig_conf_file['conf_file_id']
70 UpdateConfFile(conf_file_id, conf_file)
72 def SetSlice(slice, tags):
73 # Create or Update slice
74 slices = GetSlices([slice['name']])
76 slice_id = slices[0]['slice_id']
77 UpdateSlice(slice_id, slice)
81 # Get slice structure with all fields
82 slice = GetSlices([slice['name']])[0]
84 # Create/update all tags
86 if slice['slice_tag_ids']:
87 # Delete unknown attributes
88 for slice_tag in GetSliceTags(slice['slice_tag_ids']):
89 if (slice_tag['tagname'], slice_tag['value']) not in tags:
90 DeleteSliceTag(slice_tag['slice_tag_id'])
92 slice_tags[slice_tag['tagname']]=slice_tag['value']
94 # only update slice tags that have changed
95 for (name, value) in tags:
96 if name not in slice_tags:
97 AddSliceTag(slice['name'], name, value)
98 elif value <> slice_tags[name]:
99 UpdateSliceTag(slice['name'],value)
101 def SetMessage(message):
102 messages = GetMessages([message['message_id']])
106 UpdateMessage(message['message_id'],message)
108 # Get all model names
109 g_pcu_models = [type['model'] for type in GetPCUTypes()]
111 def SetPCUType(pcu_type):
113 if 'pcu_protocol_types' in pcu_type:
114 protocol_types = pcu_type['pcu_protocol_types']
115 # Take this value out of the struct.
116 del pcu_type['pcu_protocol_types']
120 if pcu_type['model'] not in g_pcu_models:
121 # Add the name/model info into DB
122 id = AddPCUType(pcu_type)
123 # for each protocol, also add this.
124 for ptype in protocol_types:
125 AddPCUProtocolType(id, ptype)
127 def GetSnippets(directory):
129 if os.path.exists(directory):
131 filenames = os.listdir(directory)
133 raise Exception, "Error when opening %s (%s)" % \
134 (os.path.join(dir, file), e)
136 ignored = (".bak","~",".rpmsave",".rpmnew",".orig")
138 for filename in filenames:
140 for ignore in ignored:
141 if filename.endswith(ignore):
146 parts = filename.split('-')
148 name = '-'.join(parts)
150 number = int(parts[0])
151 entry = numberedfiles.get(number,[])
153 numberedfiles[number]=entry
160 print "db-config: ignoring %s snippet" % filename
163 keys = numberedfiles.keys()
166 for filename in numberedfiles[k]:
167 filenames.append(filename)
171 cfg = PLCConfiguration()
173 variables = cfg.variables()
175 # Load variables into dictionaries
176 for category_id, (category, variablelist) in variables.iteritems():
177 globals()[category_id] = dict(zip(variablelist.keys(),
178 [variable['value'] for variable in variablelist.values()]))
180 directory="/etc/planetlab/db-config.d"
181 snippets = GetSnippets(directory)
182 for snippet in snippets:
183 fullpath = os.path.join(directory, snippet)
186 if __name__ == '__main__':