db-config.d/000-functions

   1 # -*-python-*-
   2 ####################
   3 import sys, os
   4 import resource
   5
   6 g_url = ""
   7 def GetMyPLCURL(): return g_url
   8 def SetMyPLCURL(url):
   9     global g_url
  10     g_url = url
  11
  12 # Get all currently registered roles
  13 g_role_names = [ role['name'] for role in GetRoles()]
  14 g_role_names.sort()
  15
  16 def SetRole(level, role):
  17     global g_role_names
  18     if role not in g_role_names:
  19         AddRole(level, role)
  20         g_role_names.append(role)
  21         g_role_names.sort()
  22
  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()
  26
  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:
  31         AddTagType(tag_type)
  32         g_known_tag_types.append(tag_type['tagname'])
  33         g_known_tag_types.sort()
  34     else:
  35         UpdateTagType(tag_type['tagname'], tag_type)
  36     if 'roles' in tag_type:
  37         for role in tag_type['roles']:
  38             AddRoleToTagType(role,tag_type['tagname'])
  39
  40 # Get list of existing (enabled, global) files
  41 g_conf_files = GetConfFiles()
  42 g_conf_files = filter(lambda conf_file: conf_file['enabled'] and \
  43                     not conf_file['node_ids'] and \
  44                     not conf_file['nodegroup_ids'],
  45                     g_conf_files)
  46 g_dests = [conf_file['dest'] for conf_file in g_conf_files]
  47 g_conf_files = dict(zip(g_dests, g_conf_files))
  48
  49 # Get list of existing initscripts
  50 g_oldinitscripts = GetInitScripts()
  51 g_oldinitscript_names = [script['name'] for script in g_oldinitscripts]
  52 g_oldinitscripts = dict(zip(g_oldinitscript_names, g_oldinitscripts))
  53
  54 def SetInitScript(initscript):
  55     global g_oldinitscripts, g_oldinitscript_names
  56     if initscript['name'] not in g_oldinitscript_names:
  57         initscript_id = AddInitScript(initscript)
  58         g_oldinitscript_names.append(initscript['name'])
  59         initscript['initscript_id']=initscript_id
  60         g_oldinitscripts[initscript['name']]=initscript
  61     else:
  62         orig_initscript = g_oldinitscripts[initscript['name']]
  63         initscript_id = orig_initscript['initscript_id']
  64         UpdateInitScript(initscript_id, initscript)
  65
  66 def SetConfFile(conf_file):
  67     global g_conf_files, g_dests
  68     if conf_file['dest'] not in g_dests:
  69         AddConfFile(conf_file)
  70     else:
  71         orig_conf_file = g_conf_files[conf_file['dest']]
  72         conf_file_id = orig_conf_file['conf_file_id']
  73         UpdateConfFile(conf_file_id, conf_file)
  74
  75 def SetSlice(slice, tags):
  76     # Create or Update slice
  77     slice_name = slice['name']
  78     slices = GetSlices([slice_name])
  79     if len(slices)==1:
  80         slice_id = slices[0]['slice_id']
  81         if slice.has_key('name'):
  82             del slice['name']
  83         UpdateSlice(slice_id, slice)
  84         slice['name']=slice_name
  85     else:
  86         expires = None
  87         if slice.has_key('expires'):
  88             expires = slice['expires']
  89             del slice['expires']
  90         slice_id = AddSlice(slice)
  91         if expires <> None:
  92             UpdateSlice(slice_id, {'expires':expires})
  93
  94     # Get slice structure with all fields
  95     slice = GetSlices([slice_name])[0]
  96
  97     # Create/delete all tags
  98     # NOTE: update is not needed, since unspecified tags are deleted,
  99     #       and new tags are added
 100     slice_tags = []
 101     if slice['slice_tag_ids']:
 102         # Delete unknown attributes
 103         for slice_tag in GetSliceTags(slice['slice_tag_ids']):
 104             # ignore sliver tags, as those are custom/run-time values
 105             if slice_tag['node_id'] <> None: continue
 106             if (slice_tag['tagname'], slice_tag['value']) not in tags:
 107                 DeleteSliceTag(slice_tag['slice_tag_id'])
 108             else:
 109                 slice_tags.append((slice_tag['tagname'],slice_tag['value']))
 110
 111     # only add slice tags that are new
 112     for (name, value) in tags:
 113         if (name,value) not in slice_tags:
 114             AddSliceTag(slice_name, name, value)
 115         else:
 116             # NOTE: this confirms that the user-specified tag is
 117             #       returned by GetSliceTags
 118             pass
 119
 120 def SetMessage(message):
 121     messages = GetMessages([message['message_id']])
 122     if len(messages)==0:
 123         AddMessage(message)
 124     else:
 125         UpdateMessage(message['message_id'],message)
 126
 127 # Get all model names
 128 g_pcu_models = [type['model'] for type in GetPCUTypes()]
 129
 130 def SetPCUType(pcu_type):
 131     global g_pcu_models
 132     if 'pcu_protocol_types' in pcu_type:
 133         protocol_types = pcu_type['pcu_protocol_types']
 134         # Take this value out of the struct.
 135         del pcu_type['pcu_protocol_types']
 136     else:
 137         protocol_types = []
 138
 139     if pcu_type['model'] not in g_pcu_models:
 140         # Add the name/model info into DB
 141         id = AddPCUType(pcu_type)
 142         # for each protocol, also add this.
 143         for ptype in protocol_types:
 144             AddPCUProtocolType(id, ptype)
 145