ZenModel.FileSystem

48 """ 49 FileSystem object 50 """ 51 52 portal_type = meta_type = 'FileSystem' 53 54 manage_editFileSystemForm = DTMLFile('dtml/manageEditFileSystem',globals()) 55 56 mount = "" 57 storageDevice = "" 58 type = "" 59 blockSize = 0 60 totalBlocks = 0L 61 totalFiles = 0L 62 capacity = 0 63 inodeCapacity = 0 64 maxNameLen = 0 65 66 security = ClassSecurityInfo() 67 68 _properties = OSComponent._properties + ( 69 {'id':'mount', 'type':'string', 'mode':''}, 70 {'id':'storageDevice', 'type':'string', 'mode':''}, 71 {'id':'type', 'type':'string', 'mode':''}, 72 {'id':'blockSize', 'type':'int', 'mode':''}, 73 {'id':'totalBlocks', 'type':'long', 'mode':''}, 74 {'id':'totalFiles', 'type':'long', 'mode':''}, 75 {'id':'maxNameLen', 'type':'int', 'mode':''}, 76 ) 77 _relations = OSComponent._relations + ( 78 ("os", ToOne(ToManyCont, "Products.ZenModel.OperatingSystem", "filesystems")), 79 ) 80 81 82 factory_type_information = ( 83 { 84 'id' : 'FileSystem', 85 'meta_type' : 'FileSystem', 86 'description' : """Arbitrary device grouping class""", 87 'icon' : 'FileSystem_icon.gif', 88 'product' : 'ZenModel', 89 'factory' : 'manage_addFileSystem', 90 'immediate_view' : 'viewFileSystem', 91 'actions' : 92 ( 93 { 'id' : 'status' 94 , 'name' : 'Status' 95 , 'action' : 'viewFileSystem' 96 , 'permissions' : (ZEN_VIEW,) 97 }, 98 { 'id' : 'events' 99 , 'name' : 'Events' 100 , 'action' : 'viewEvents' 101 , 'permissions' : (ZEN_VIEW, ) 102 }, 103 { 'id' : 'perfConf' 104 , 'name' : 'Template' 105 , 'action' : 'objTemplates' 106 , 'permissions' : ("Change Device", ) 107 }, 108 { 'id' : 'viewHistory' 109 , 'name' : 'Modifications' 110 , 'action' : 'viewHistory' 111 , 'permissions' : (ZEN_VIEW_MODIFICATIONS,) 112 }, 113 ) 114 }, 115 ) 116 117

118 - def getTotalBlocks(self):

119 offset = getattr(self.primaryAq(), 'zFileSystemSizeOffset', 1.0) 120 return int(self.totalBlocks) * offset

121 122

123 - def totalBytes(self):

124 """ 125 Return the total bytes of a filesytem 126 """ 127 return int(self.blockSize) * self.getTotalBlocks()

128 129

130 - def totalBytesString(self):

131 """ 132 Return the number of total bytes in human readable from ie 10MB 133 """ 134 return convToUnits(self.totalBytes())

135 136

137 - def usedBytes(self):

138 """ 139 Return the number of used bytes on a filesytem. 140 """ 141 blocks = self.usedBlocks() 142 if blocks is not None: 143 return self.blockSize * blocks 144 return None

145 146

147 - def usedBytesString(self):

148 """ 149 Return the number of used bytes in human readable form ie 10MB 150 """ 151 __pychecker__='no-constCond' 152 ub = self.usedBytes() 153 return ub is None and "unknown" or convToUnits(ub)

154 155

156 - def availBytes(self):

157 """ 158 Return the number of availible bytes for this filesystem 159 """ 160 blocks = self.usedBlocks() 161 if blocks is not None: 162 return self.blockSize * (self.getTotalBlocks() - self.usedBlocks()) 163 return None

164 165

166 - def availBytesString(self):

167 """ 168 Return the number of availible bytes in human readable form ie 10MB 169 """ 170 __pychecker__='no-constCond' 171 ab = self.availBytes() 172 return ab is None and "unknown" or convToUnits(ab)

173 174

175 - def availFiles(self):

176 """ 177 Not implemented returns 0 178 """ 179 return 0

180 181

182 - def capacity(self):

183 """ 184 Return the percentage capacity of a filesystems using its rrd file 185 """ 186 __pychecker__='no-returnvalues' 187 usedBytes = self.usedBytes() 188 if self.totalBytes() and usedBytes is not None: 189 return int(100.0 * self.usedBytes() / self.totalBytes()) 190 return 'unknown'

191 192

193 - def inodeCapacity(self):

194 """ 195 Not implemented returns 0 196 """ 197 return 0

198 199

200 - def usedBlocks(self, default = None):

201 """ 202 Return the number of used blocks stored in the filesystem's rrd file 203 """ 204 blocks = self.cacheRRDValue('usedBlocks', default) 205 if blocks is not None: 206 return long(blocks) 207 elif self.blockSize: 208 # no usedBlocks datapoint, so this is probably a Windows device 209 # using perfmon for data collection and therefore we'll look for 210 # the freeMegabytes datapoint 211 freeMB = self.cacheRRDValue('FreeMegabytes', default) 212 if freeMB is not None: 213 usedBytes = self.totalBytes() - long(freeMB) * 1024 * 1024 214 return usedBytes / self.blockSize 215 return None

216 217

218 - def usedBlocksString(self):

219 """ 220 Return the number of used blocks in human readable form ie 10MB 221 """ 222 __pychecker__='no-constCond' 223 ub = self.usedBlocks() 224 return ub is None and "unknown" or convToUnits(ub)

225 226

227 - def getRRDNames(self):

228 """ 229 Return the datapoint name of this filesystem 'usedBlocks_usedBlocks' 230 """ 231 return ['usedBlocks_usedBlocks']

232 233

234 - def viewName(self):

235 """ 236 Return the mount point name of a filesystem '/boot' 237 """ 238 return self.mount

Source Code for Module ZenModel.FileSystem