/[gli]/trunk/src/GLIStorageDevice.py
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1# Copyright 1999-2005 Gentoo Foundation
2# This source code is distributed under the terms of version 2 of the GNU
3# General Public License as published by the Free Software Foundation, a copy
4# of which can be found in the main directory of this project.
5
1import commands, string, os, parted 6import commands, string, os, parted
2from GLIException import * 7from GLIException import *
3import GLIUtility 8import GLIUtility
4 9
5MEGABYTE = 1024 * 1024 10MEGABYTE = 1024 * 1024
6 11
12# these are here so that we can change them easily in future
13# the values were chosen to represent perfect floating point representations
14FREE_MINOR_FRAC_PRI = 1.0/32.0
15FREE_MINOR_FRAC_LOG = 1.0/8.0
16
7archinfo = { 'sparc': { 'fixedparts': [ { 'minor': 3, 'type': "wholedisk" } ], 'disklabel': 'sun', 'extended': False }, 17archinfo = { 'sparc': { 'fixedparts': [ { 'minor': 3, 'type': "wholedisk" } ], 'disklabel': 'sun', 'extended': False },
8 'hppa': { 'fixedparts': [ { 'minor': 1, 'type': "boot" } ], 'disklabel': 'msdos', 'extended': False }, 18 'hppa': { 'fixedparts': [ { 'minor': 1, 'type': "palo" } ], 'disklabel': 'msdos', 'extended': True },
9 'x86': { 'fixedparts': [], 'disklabel': 'msdos', 'extended': True }, 19 'x86': { 'fixedparts': [], 'disklabel': 'msdos', 'extended': True },
10 'amd64': { 'fixedparts': [], 'disklabel': 'msdos', 'extended': True }, 20 'amd64': { 'fixedparts': [], 'disklabel': 'msdos', 'extended': True },
11 'ppc': { 'fixedparts': [ { 'minor': 1, 'type': "metadata" } ], 'disklabel': 'mac', 'extended': False } 21 'ppc': { 'fixedparts': [ { 'minor': 1, 'type': "metadata" } ], 'disklabel': 'mac', 'extended': False }
12 } 22 }
13 23
32 42
33 ## 43 ##
34 # Initialization function for GLIStorageDevice class 44 # Initialization function for GLIStorageDevice class
35 # @param device Device node (e.g. /dev/hda) of device being represented 45 # @param device Device node (e.g. /dev/hda) of device being represented
36 # @param arch="x86" Architecture that we're partition for (defaults to 'x86' for now) 46 # @param arch="x86" Architecture that we're partition for (defaults to 'x86' for now)
37 def __init__(self, device, arch="x86", set_geometry=True): 47 def __init__(self, device, arch="x86", set_geometry=True, virtual=False, size_known=False):
38 self._device = device 48 self._device = device
39 self._partitions = {} 49 self._partitions = {}
40 self._geometry = {'cylinders': 0, 'heads': 0, 'sectors': 0, 'sectorsize': 512} 50 self._geometry = {'cylinders': 0, 'heads': 0, 'sectors': 0, 'sectorsize': 512}
41 self._total_bytes = 0 51 self._total_bytes = 0
42 self._cylinder_bytes = 0 52 self._cylinder_bytes = 0
57 self._geometry['heads'], self._geometry['sectors'], self._geometry['cylinders'] = self._parted_dev.heads, self._parted_dev.sectors, self._parted_dev.cylinders 67 self._geometry['heads'], self._geometry['sectors'], self._geometry['cylinders'] = self._parted_dev.heads, self._parted_dev.sectors, self._parted_dev.cylinders
58 self._sector_bytes = self._parted_dev.sector_size 68 self._sector_bytes = self._parted_dev.sector_size
59 self._cylinder_bytes = self._geometry['heads'] * self._geometry['sectors'] * self._sector_bytes 69 self._cylinder_bytes = self._geometry['heads'] * self._geometry['sectors'] * self._sector_bytes
60 self._total_sectors = self._parted_dev.length 70 self._total_sectors = self._parted_dev.length
61 self._sectors_in_cylinder = self._geometry['heads'] * self._geometry['sectors'] 71 self._sectors_in_cylinder = self._geometry['heads'] * self._geometry['sectors']
62 self._total_mb = int(self._total_bytes / MEGABYTE) 72 self._total_mb = long(self._total_bytes / MEGABYTE)
63 73
64 ## 74 ##
65 # Sets partition info from disk. 75 # Sets partition info from disk.
66 def set_partitions_from_disk(self): 76 def set_partitions_from_disk(self):
67 last_part = 0 77 last_part = 0
68 last_log_part = 4 78 last_log_part = 4
69 parted_part = self._parted_disk.next_partition() 79 parted_part = self._parted_disk.next_partition()
70 while parted_part: 80 while parted_part:
71 part_mb = int((parted_part.geom.end - parted_part.geom.start + 1) * self._sector_bytes / MEGABYTE) 81 part_mb = long((parted_part.geom.end - parted_part.geom.start + 1) * self._sector_bytes / MEGABYTE)
72 if parted_part.num >= 1: 82 if parted_part.num >= 1:
73 fs_type = "" 83 fs_type = ""
74 if parted_part.fs_type != None: fs_type = parted_part.fs_type.name 84 if parted_part.fs_type != None: fs_type = parted_part.fs_type.name
75 if parted_part.type == 2: fs_type = "extended" 85 if parted_part.type == 2: fs_type = "extended"
76 if archinfo[self._arch]['extended'] and parted_part.num > 4: 86 if archinfo[self._arch]['extended'] and parted_part.num > 4:
77 last_log_part = parted_part.num 87 last_log_part = parted_part.num
78 else: 88 else:
79 last_part = parted_part.num 89 last_part = parted_part.num
80 self._partitions[int(parted_part.num)] = Partition(self, parted_part.num, part_mb, parted_part.geom.start, parted_part.geom.end, fs_type, format=False, existing=True) 90 self._partitions[int(parted_part.num)] = Partition(self, parted_part.num, part_mb, parted_part.geom.start, parted_part.geom.end, fs_type, format=False, existing=True)
81 elif parted_part.type_name == "free": 91 elif parted_part.type_name == "free":
82 parent_part = self.get_partition_at(parted_part.geom.start, ignore_extended=0) 92# parent_part = self.get_partition_at(parted_part.geom.start, ignore_extended=0)
83 if parent_part: 93# if parent_part:
94 if self.get_extended_partition() and parted_part.geom.start >= self._partitions[self.get_extended_partition()].get_start() and parted_part.geom.end <= self._partitions[self.get_extended_partition()].get_end():
84 self._partitions[last_log_part+0.9] = Partition(self, last_log_part+0.9, part_mb, parted_part.geom.start, parted_part.geom.end, "free", format=False, existing=False) 95 self._partitions[last_log_part+FREE_MINOR_FRAC_LOG] = Partition(self, last_log_part+FREE_MINOR_FRAC_LOG, part_mb, parted_part.geom.start, parted_part.geom.end, "free", format=False, existing=False)
85 last_log_part += 1 96 last_log_part += 1
86 else: 97 else:
87 self._partitions[last_part+0.1] = Partition(self, last_part+0.1, part_mb, parted_part.geom.start, parted_part.geom.end, "free", format=False, existing=False) 98 self._partitions[last_part+FREE_MINOR_FRAC_PRI] = Partition(self, last_part+FREE_MINOR_FRAC_PRI, part_mb, parted_part.geom.start, parted_part.geom.end, "free", format=False, existing=False)
88 last_part += 1 99 last_part += 1
89 parted_part = self._parted_disk.next_partition(parted_part) 100 parted_part = self._parted_disk.next_partition(parted_part)
90 101
91 ## 102 ##
92 # Imports partition info from the install profile partition structure (currently does nothing) 103 # Imports partition info from the install profile partition structure
93 # @param ips Parameter structure returned from install_profile.get_partition_tables() 104 # @param ips Parameter structure returned from install_profile.get_partition_tables()
94 def set_partitions_from_install_profile_structure(self, ips): 105 def set_partitions_from_install_profile_structure(self, ips):
95 for part in ips: 106 for part in ips:
96 tmppart = ips[part] 107 tmppart = ips[part]
97 existing = False 108 existing = False
98 if tmppart['origminor'] and not tmppart['format']: 109 if tmppart['origminor'] and not tmppart['format']:
99 existing = True 110 existing = True
100 self._partitions[tmppart['minor']] = Partition(self, tmppart['minor'], tmppart['mb'], tmppart['start'], tmppart['end'], tmppart['type'], format=tmppart['format'], origminor=tmppart['origminor'], existing=existing, mountpoint=tmppart['mountpoint'], mountopts=['mountopts']) 111 self._partitions[tmppart['minor']] = Partition(self, tmppart['minor'], tmppart['mb'], tmppart['start'], tmppart['end'], tmppart['type'], format=tmppart['format'], origminor=tmppart['origminor'], existing=existing, mountpoint=tmppart['mountpoint'], mountopts=tmppart['mountopts'], mkfsopts=tmppart['mkfsopts'])
101 112
102 ## 113 ##
103 # Returns name of device (e.g. /dev/hda) being represented 114 # Returns name of device (e.g. /dev/hda) being represented
104 def get_device(self): 115 def get_device(self):
105 return self._device 116 return self._device
117
118 ##
119 # Uses magic to apply the recommended partition layout
120 def do_recommended(self):
121 free_minor = 0
122 recommended_parts = [ { 'type': "ext2", 'size': 100, 'mountpoint': "/boot" },
123 { 'type': "linux-swap", 'size': 512, 'mountpoint': "" },
124 { 'type': "ext3", 'size': "*", 'mountpoint': "/" } ]
125 to_create = []
126 physical_memory = int(GLIUtility.spawn(r"free -m | egrep '^Mem:' | sed -e 's/^Mem: \+//' -e 's/ \+.\+$//'", return_output=True)[1].strip())
127 parts = self.get_ordered_partition_list()
128 for part in parts:
129 if self._partitions[part].get_type() == "free" and self._partitions[part].get_mb() >= 4096:
130 free_minor = part
131 break
132 if not free_minor:
133 raise GLIException("RecommendedPartitionLayoutError", "notice", "do_recommended", "You do not have atleast 4GB of concurrent unallocated space. Please remove some partitions and try again.")
134 remaining_free = self._partitions[free_minor].get_mb()
135 for newpart in recommended_parts:
136 if archinfo[self._arch]['extended'] and free_minor == (3 + FREE_MINOR_FRAC_PRI) and not newpart == recommended_parts[-1]:
137 if self.get_extended_partition():
138 raise GLIException("RecommendedPartitionLayoutError", "notice", "do_recommended", "This code is not yet robust enough to handle automatic partitioning with your current layout.")
139 to_create.append({ 'type': "extended", 'size': remaining_free, 'mountpoint': "", 'free_minor': free_minor })
140 free_minor = 4 + FREE_MINOR_FRAC_LOG
141 newpart['free_minor'] = free_minor
142 if newpart['type'] == "linux-swap" and physical_memory and physical_memory < 1024:
143 newpart['size'] = physical_memory * 2
144 to_create.append(newpart)
145 free_minor = free_minor + 1
146 if not newpart['size'] == "*":
147 remaining_free = remaining_free - newpart['size']
148 for newpart in to_create:
149 if newpart['size'] == "*":
150 newpart['size'] = self._partitions[newpart['free_minor']].get_mb()
151 self.add_partition(newpart['free_minor'], newpart['size'], 0, 0, newpart['type'], mountpoint=newpart['mountpoint'])
106 152
107 ## 153 ##
108 # Combines free space and closes gaps in minor numbers. This is used internally 154 # Combines free space and closes gaps in minor numbers. This is used internally
109 def tidy_partitions(self): 155 def tidy_partitions(self):
110 last_minor = 0 156 last_minor = 0
116 for part in parts: 162 for part in parts:
117 if archinfo[self._arch]['extended'] and part > 4: break 163 if archinfo[self._arch]['extended'] and part > 4: break
118 tmppart = self._partitions[part] 164 tmppart = self._partitions[part]
119 if tmppart.get_type() == "extended": 165 if tmppart.get_type() == "extended":
120 for part_log in parts: 166 for part_log in parts:
121 if part_log < 4.9: continue 167 if part_log < (4 + FREE_MINOR_FRAC_LOG): continue
122 tmppart_log = self._partitions[part_log] 168 tmppart_log = self._partitions[part_log]
123 if tmppart_log.get_type() == "free": 169 if tmppart_log.get_type() == "free":
124 if last_log_minor < last_log_free: 170 if last_log_minor < last_log_free:
125 self._partitions[last_log_free].set_mb(self._partitions[last_log_free].get_mb()+tmppart_log.get_mb()) 171 self._partitions[last_log_free].set_mb(self._partitions[last_log_free].get_mb()+tmppart_log.get_mb())
126 del self._partitions[part_log] 172 del self._partitions[part_log]
127 else: 173 else:
128 if not last_log_free: 174 if not last_log_free:
129 last_log_free = last_log_minor + 0.9 175 last_log_free = last_log_minor + FREE_MINOR_FRAC_LOG
130 else: 176 else:
131 lost_log_free = part_log 177 last_log_free = part_log
132 tmppart_log.set_minor(last_log_free) 178 tmppart_log.set_minor(last_log_free)
133 self._partitions[last_log_free] = tmppart_log 179 self._partitions[last_log_free] = tmppart_log
134 if part_log != last_log_free: del self._partitions[part_log] 180 if part_log != last_log_free: del self._partitions[part_log]
135 continue
136 else: 181 else:
137 if part_log > (last_log_minor + 1): 182 if part_log > (last_log_minor + 1):
138 tmppart_log.set_minor(last_log_minor + 1) 183 tmppart_log.set_minor(last_log_minor + 1)
139 last_log_minor = last_log_minor + 1 184 last_log_minor = last_log_minor + 1
140 self._partitions[last_log_minor] = tmppart_log 185 self._partitions[last_log_minor] = tmppart_log
141 del self._partitions[part_log] 186 del self._partitions[part_log]
142 continue
143 else: 187 else:
144 last_log_minor = part_log 188 last_log_minor = part_log
145 if tmppart.get_type() == "free": 189 elif tmppart.get_type() == "free":
146 if last_minor < last_free: 190 if last_minor < last_free:
147 self._partitions[last_free].set_mb(self._partitions[last_free].get_mb()+tmppart.get_mb()) 191 self._partitions[last_free].set_mb(self._partitions[last_free].get_mb()+tmppart.get_mb())
148 del self._partitions[part] 192 del self._partitions[part]
149 else: 193 else:
150 if not last_free: 194 if not last_free:
151 last_free = last_minor + 0.1 195 last_free = last_minor + FREE_MINOR_FRAC_PRI
152 else: 196 else:
153 last_free = part 197 last_free = part
154 tmppart.set_minor(last_free) 198 tmppart.set_minor(last_free)
155 self._partitions[last_free] = tmppart 199 self._partitions[last_free] = tmppart
156 if part != last_free: del self._partitions[part] 200 if part != last_free: del self._partitions[part]
157 continue
158 else: 201 else:
159 if part > (last_minor + 1): 202 if part > (last_minor + 1):
160 tmppart.set_minor(last_minor + 1) 203 tmppart.set_minor(last_minor + 1)
161 last_minor = last_minor + 1 204 last_minor = last_minor + 1
162 self._partitions[last_minor] = tmppart 205 self._partitions[last_minor] = tmppart
163 del self._partitions[part] 206 del self._partitions[part]
164 continue
165 else: 207 else:
166 last_minor = part 208 last_minor = part
167 209
168 ## 210 ##
169 # Adds a new partition to the partition info 211 # Adds a new partition to the partition info
172 # @param start Start sector (only used for existing partitions) 214 # @param start Start sector (only used for existing partitions)
173 # @param end End sector (only used for existing partitions) 215 # @param end End sector (only used for existing partitions)
174 # @param type Partition type (ext2, ext3, fat32, linux-swap, free, extended, etc.) 216 # @param type Partition type (ext2, ext3, fat32, linux-swap, free, extended, etc.)
175 # @param mountpoint='' Partition mountpoint 217 # @param mountpoint='' Partition mountpoint
176 # @param mountopts='' Partition mount options 218 # @param mountopts='' Partition mount options
219 # @param mkfsopts='' Additional mkfs options
177 def add_partition(self, free_minor, mb, start, end, type, mountpoint='', mountopts=''): 220 def add_partition(self, free_minor, mb, start, end, type, mountpoint='', mountopts='',mkfsopts=''):
178 free_minor = free_minor
179 new_minor = int(free_minor) + 1 221 new_minor = int(free_minor) + 1
180# print "add_partition(): free_minor=" + str(free_minor) + ", new_minor=" + str(new_minor)
181 if self._partitions.has_key(new_minor): 222 if self._partitions.has_key(new_minor):
182 parts = self._partitions.keys() 223 parts = self._partitions.keys()
183 parts.sort() 224 parts.sort()
184 parts.reverse() 225 parts.reverse()
185 hole_at = 0 226 hole_at = 0
198 if i == new_minor: stopscooting = 1 239 if i == new_minor: stopscooting = 1
199 if mb != self._partitions[free_minor].get_mb(): 240 if mb != self._partitions[free_minor].get_mb():
200 old_free_mb = self._partitions[free_minor].get_mb() 241 old_free_mb = self._partitions[free_minor].get_mb()
201 del self._partitions[free_minor] 242 del self._partitions[free_minor]
202 if archinfo[self._arch]['extended'] and new_minor >= 5: 243 if archinfo[self._arch]['extended'] and new_minor >= 5:
203 free_minor = new_minor + 0.9 244 free_minor = new_minor + FREE_MINOR_FRAC_LOG
204 else: 245 else:
205 free_minor = new_minor + 0.1 246 free_minor = new_minor + FREE_MINOR_FRAC_PRI
206 self._partitions[free_minor] = Partition(self, free_minor, old_free_mb-mb, 0, 0, "free") 247 self._partitions[free_minor] = Partition(self, free_minor, old_free_mb-mb, 0, 0, "free")
207# print "add_partition(): new part doesn't use all freespace. new free part is: minor=" + str(free_minor)
208 else: 248 else:
209 del self._partitions[free_minor] 249 del self._partitions[free_minor]
210 self._partitions[new_minor] = Partition(self, new_minor, mb, start, end, type, mountpoint=mountpoint, mountopts=mountopts) 250 self._partitions[new_minor] = Partition(self, new_minor, mb, start, end, type, mountpoint=mountpoint, mountopts=mountopts,mkfsopts=mkfsopts)
211 if type == "extended": 251 if type == "extended":
212 self._partitions[4.9] = Partition(self, 4.9, mb, 0, 0, "free") 252 self._partitions[4 + FREE_MINOR_FRAC_LOG] = Partition(self, (4 + FREE_MINOR_FRAC_LOG), mb, 0, 0, "free")
213 self.tidy_partitions() 253 self.tidy_partitions()
214 254
215 ## 255 ##
216 # Removes partition from partition info 256 # Removes partition from partition info
217 # @param minor Minor of partition to remove 257 # @param minor Minor of partition to remove
218 def remove_partition(self, minor): 258 def remove_partition(self, minor):
219 tmppart = self._partitions[int(minor)] 259 tmppart = self._partitions[int(minor)]
220 free_minor = 0 260 free_minor = 0
221 if tmppart.is_logical(): 261 if tmppart.is_logical():
222 free_minor = minor-0.1 262 free_minor = int(minor-1)+FREE_MINOR_FRAC_LOG
223 else: 263 else:
224 free_minor = minor-0.9 264 free_minor = int(minor-1)+FREE_MINOR_FRAC_PRI
265 if free_minor in self._partitions:
266 self._partitions[free_minor].set_mb(self._partitions[free_minor].get_mb() + tmppart.get_mb())
267 else:
225 self._partitions[free_minor] = Partition(self, free_minor, tmppart.get_mb(), 0, 0, "free", format=False, existing=False) 268 self._partitions[free_minor] = Partition(self, free_minor, tmppart.get_mb(), 0, 0, "free", format=False, existing=False)
226 del self._partitions[int(minor)] 269 del self._partitions[int(minor)]
227 self.tidy_partitions() 270 self.tidy_partitions()
228 271
229 ## 272 ##
230 # Returns free space (no longer used) 273 # This function clears the partition table
231 # @param start Start sector for search 274 def clear_partitions(self):
232 def get_free_space(self, start): 275# parts = self._partitions.keys()
233 GAP_SIZE = 100 276# parts.sort()
277# parts.reverse()
278# for part in parts:
279# if not self._partitions[part].get_type() == "free":
280# self.remove_partition(part)
281 self._partitions = { (0 + FREE_MINOR_FRAC_PRI): Partition(self, (0 + FREE_MINOR_FRAC_PRI), self.get_total_mb(), 0, 0, "free", format=False, existing=False) }
282
283 ##
284 # Returns an ordered list (disk order) of partition minors
285 def get_ordered_partition_list(self):
234 parts = self._partitions.keys() 286 parts = self._partitions.keys()
235 parts.sort() 287 parts.sort()
236 lastend_pri = 0 288 partlist = []
237 lastend_log = 0
238 free_start = -1
239 free_end = -1
240 if start > self._total_sectors: return (-1, -1)
241 for part in parts:
242 if part > 4: break
243 tmppart = self._partitions[part]
244 if (tmppart.get_start() > (lastend_pri + GAP_SIZE)) and (lastend_pri >= start):
245 free_start = lastend_pri
246 free_end = tmppart.get_start() - 1
247 break
248 if tmppart.is_extended() and start < tmppart.get_end():
249 lastend_log = tmppart.get_start()
250 for part_log in parts:
251 if part_log < 5: continue
252 tmppart_log = self._partitions[part_log]
253 if (tmppart_log.get_start() > (lastend_log + GAP_SIZE)) and (lastend_log >= start):
254 free_start = lastend_log
255 free_end = tmppart_log.get_start() - 1
256 break
257 lastend_log = tmppart_log.get_end() + 1
258 if free_start == -1 and lastend_log < tmppart.get_end():
259 free_start = lastend_log
260 free_end = tmppart.get_end()
261 break
262 lastend_pri = tmppart.get_end() + 1
263 if free_start == -1 and lastend_pri < self._total_sectors:
264 free_start = lastend_pri
265 free_end = self._total_sectors
266 return (free_start, free_end)
267
268 ##
269 # Gets partition containing a certain sector (no longer used)
270 # @param sector Sector to look at
271 # @param ignore_extended=1 Ignore extended partitions
272 def get_partition_at(self, sector, ignore_extended=1):
273 parts = self._partitions.keys()
274 parts.sort()
275 for part in parts:
276 tmppart = self._partitions[part]
277 if ignore_extended and tmppart.is_extended(): continue
278 if (sector >= tmppart.get_start()) and (sector <= tmppart.get_end()):
279 return part
280 return 0
281
282 ##
283 # Returns free minor (no longer used)
284 # @param start Parameter description
285 # @param end Parameter description
286 def get_free_minor_at(self, start, end):
287 parts = self._partitions.keys()
288 parts.sort()
289 minor = 1
290 lastpart = 0
291 for part in parts:
292 if part > 4: break
293 tmppart = self._partitions[part]
294 if end < tmppart.get_start():
295 minor = part
296 if (minor - 1) > lastpart: minor = lastpart + 1
297 break
298 if tmppart.is_extended() and start < tmppart.get_end():
299 minor = 5
300 lastpart = 4
301 for part_log in parts:
302 if part_log < 5: continue
303 tmppart_log = self._partitions[part_log]
304 if end < tmppart_log.get_start():
305 minor = part_log
306 if (minor - 1) > lastpart: minor = lastpart + 1
307 break
308 minor = part_log + 1
309 lastpart = part_log
310 break
311 minor = part + 1
312 lastpart = part
313 return minor
314
315 ##
316 # Returns an ordered list (disk order) of partition minors
317 def get_ordered_partition_list(self):
318 parts = self._partitions.keys()
319 parts.sort()
320 partlist = []
321 tmppart = None 289 tmppart = None
322 for part in parts: 290 for part in parts:
323 if archinfo[self._arch]['extended'] and part > 4.1: break 291 if archinfo[self._arch]['extended'] and part > (4 + FREE_MINOR_FRAC_PRI): break
324 tmppart = self._partitions[part] 292 tmppart = self._partitions[part]
325 partlist.append(part) 293 partlist.append(part)
326 if tmppart.is_extended(): 294 if tmppart.is_extended():
327 for part_log in parts: 295 for part_log in parts:
328 if part_log < 4.9: continue 296 if part_log < (4 + FREE_MINOR_FRAC_LOG): continue
329 partlist.append(part_log) 297 partlist.append(part_log)
330 return partlist 298 return partlist
331 299
332 ## 300 ##
333 # Returns partition info in a format suitable for passing to install_profile.set_partition_tables() 301 # Returns partition info in a format suitable for passing to install_profile.set_partition_tables()
334 def get_install_profile_structure(self): 302 def get_install_profile_structure(self):
335 devdic = {} 303 devdic = {}
336 for part in self._partitions: 304 for part in self._partitions:
337 tmppart = self._partitions[part] 305 tmppart = self._partitions[part]
338 devdic[part] = { 'mb': tmppart.get_mb(), 'minor': float(part), 'origminor': tmppart.get_orig_minor(), 'start': tmppart.get_start(), 'end': tmppart.get_end(), 'type': tmppart.get_type(), 'mountpoint': tmppart.get_mountpoint(), 'mountopts': tmppart.get_mountopts(), 'format': tmppart.get_format() } 306 devdic[part] = { 'mb': tmppart.get_mb(), 'minor': float(part), 'origminor': tmppart.get_orig_minor(), 'type': tmppart.get_type(), 'mountpoint': tmppart.get_mountpoint(), 'mountopts': tmppart.get_mountopts(), 'format': tmppart.get_format(), 'mkfsopts': tmppart.get_mkfsopts(), 'start': 0, 'end': 0 }
339 return devdic 307 return devdic
340 308
341 ## 309 ##
342 # Returns the minor of the extended partition, if any 310 # Returns the minor of the extended partition, if any
343 def get_extended_partition(self): 311 def get_extended_partition(self):
346 if tmppart.is_extended(): 314 if tmppart.is_extended():
347 return part 315 return part
348 return 0 316 return 0
349 317
350 ## 318 ##
319 # Returns the drive model
320 def get_model(self):
321 return self._parted_dev.model
322
323 ##
351 # Sets the disklabel type 324 # Sets the disklabel type
352 def set_disklabel(self, disklabel): 325 def set_disklabel(self, disklabel):
353 self._disklabel = disklabel 326 self._disklabel = disklabel
354 327
355 ## 328 ##
358 return self._disklabel 331 return self._disklabel
359 332
360 ## 333 ##
361 # Returns the number of sectors on the device 334 # Returns the number of sectors on the device
362 def get_num_sectors(self): 335 def get_num_sectors(self):
363 return int(self._total_sectors) 336 return long(self._total_sectors)
364 337
365 ## 338 ##
366 # Returns the size of a cylinder in bytes 339 # Returns the size of a cylinder in bytes
367 def get_cylinder_size(self): 340 def get_cylinder_size(self):
368 return int(self._cylinder_bytes) 341 return long(self._cylinder_bytes)
369 342
370 ## 343 ##
371 # Returns the size of a sector in bytes 344 # Returns the size of a sector in bytes
372 def get_sector_size(self): 345 def get_sector_size(self):
373 return int(self._sector_bytes) 346 return long(self._sector_bytes)
374 347
375 ## 348 ##
376 # Returns the number of cylinders 349 # Returns the number of cylinders
377 def get_num_cylinders(self): 350 def get_num_cylinders(self):
378 return int(self._geometry['cylinders']) 351 return long(self._geometry['cylinders'])
379 352
380 ## 353 ##
381 # Returns the total number of bytes on the device 354 # Returns the total number of bytes on the device
382 def get_drive_bytes(self): 355 def get_drive_bytes(self):
383 return int(self._total_bytes) 356 return long(self._total_bytes)
384 357
385 ## 358 ##
386 # Returns the total number of MB on the device 359 # Returns the total number of MB on the device
387 def get_total_mb(self): 360 def get_total_mb(self):
388 return self._total_mb 361 return self._total_mb
394 367
395 ## 368 ##
396 # Prints disk geometry to STDOUT (no longer used) 369 # Prints disk geometry to STDOUT (no longer used)
397 def print_geometry(self): 370 def print_geometry(self):
398 print self._total_bytes, self._geometry 371 print self._total_bytes, self._geometry
399
400 ##
401 # Utility function for running a command and returning it's output as a list
402 # @param cmd Command to run
403 def _run(self, cmd):
404 "Runs a command and returns the output"
405
406 # Run command
407 output_string = commands.getoutput(cmd)
408
409 # What we will return
410 output_list = []
411
412 # As long as there is a new line in the output_string
413 while output_string.find("\n") != -1:
414
415 # Find the \n in the string
416 index = output_string.find("\n") + 1
417
418 # Add the line to the output and remove it from
419 # the output_string
420 output_list.append(output_string[:index])
421 output_string = output_string[index:]
422
423 # return output
424 return output_list
425 372
426## 373##
427# This class represents a partition within a GLIStorageDevice object 374# This class represents a partition within a GLIStorageDevice object
428class Partition: 375class Partition:
429 "Class representing a single partition within a Device object" 376 "Class representing a single partition within a Device object"
438 _mountopts = None 385 _mountopts = None
439 _format = None 386 _format = None
440 _resizeable = None 387 _resizeable = None
441 _min_mb_for_resize = 0 388 _min_mb_for_resize = 0
442 _mb = 0 389 _mb = 0
390 _mkfsopts = None
443 391
444 ## 392 ##
445 # Initialization function for the Partition class 393 # Initialization function for the Partition class
446 # @param device Parent GLIStorageDevice object 394 # @param device Parent GLIStorageDevice object
447 # @param minor Minor of partition 395 # @param minor Minor of partition
449 # @param start Parameter Start sector of partition 397 # @param start Parameter Start sector of partition
450 # @param end Parameter Start sector of partition 398 # @param end Parameter Start sector of partition
451 # @param type Parameter Type of partition (ext2, ext3, fat32, linux-swap, free, extended, etc.) 399 # @param type Parameter Type of partition (ext2, ext3, fat32, linux-swap, free, extended, etc.)
452 # @param mountpoint='' Mountpoint of partition 400 # @param mountpoint='' Mountpoint of partition
453 # @param mountopts='' Mount options of partition 401 # @param mountopts='' Mount options of partition
402 # @param mkfsopts='' Additional mkfs options
454 # @param format=True Format partition 403 # @param format=True Format partition
455 # @param existing=False This partition exists on disk 404 # @param existing=False This partition exists on disk
456 def __init__(self, device, minor, mb, start, end, type, mountpoint='', mountopts='', format=True, existing=False, origminor=0): 405 def __init__(self, device, minor, mb, start, end, type, mountpoint='', mountopts='', format=True, existing=False, origminor=0, mkfsopts=''):
457 self._device = device 406 self._device = device
458 self._minor = float(minor) 407 self._minor = float(minor)
459 self._start = int(start) 408 self._start = long(start)
460 self._end = int(end) 409 self._end = long(end)
461 self._type = type or "unknown" 410 self._type = type or "unknown"
462 self._mountpoint = mountpoint 411 self._mountpoint = mountpoint
463 self._mountopts = mountopts 412 self._mountopts = mountopts
464 self._format = format 413 self._format = format
465 self._mb = mb 414 self._mb = mb
466 self._orig_minor = origminor 415 self._orig_minor = origminor
416 self._mkfsopts = mkfsopts
467 if type != "free": 417 if type != "free":
468 if existing and not origminor: 418 if existing and not origminor:
469 self._orig_minor = self._minor 419 self._orig_minor = self._minor
470 self._minor = int(self._minor) 420 self._minor = int(self._minor)
471 self._orig_minor = int(self._orig_minor) 421 self._orig_minor = int(self._orig_minor)
472 if existing: 422 if existing:
423 try:
473 parted_part = device._parted_disk.get_partition(self._orig_minor) 424 parted_part = device._parted_disk.get_partition(self._orig_minor)
474 label_type = device._parted_disk.type.name 425 label_type = device._parted_disk.type.name
475 if label_type == "loop": 426 if label_type == "loop":
476 dev_node = device._device 427 dev_node = device._device
477 else: 428 else:
478 dev_node = device._device + str(self._orig_minor) 429 dev_node = device._device + str(self._orig_minor)
479 print "dev_node = " + dev_node 430# print "dev_node = " + dev_node
480 if type == "ntfs": 431 if type == "ntfs":
481 min_bytes = int(commands.getoutput("ntfsresize -f --info " + dev_node + " | grep -e '^You might resize' | sed -e 's/You might resize at //' -e 's/ bytes or .\+//'")) 432 min_bytes = long(commands.getoutput("ntfsresize -f --info " + dev_node + " | grep -e '^You might resize' | sed -e 's/You might resize at //' -e 's/ bytes or .\+//'"))
482 self._min_mb_for_resize = int(min_bytes / MEGABYTE) + 1 433 self._min_mb_for_resize = long(min_bytes / MEGABYTE) + 1
483 self._resizeable = True 434 self._resizeable = True
484 elif type == "ext2" or type == "ext3": 435 elif type == "ext2" or type == "ext3":
485 block_size = int(string.strip(commands.getoutput("dumpe2fs -h " + dev_node + r" 2>&1 | grep -e '^Block size:' | sed -e 's/^Block size:\s\+//'"))) 436 block_size = long(string.strip(commands.getoutput("dumpe2fs -h " + dev_node + r" 2>&1 | grep -e '^Block size:' | sed -e 's/^Block size:\s\+//'")))
486 free_blocks = int(string.strip(commands.getoutput("dumpe2fs -h " + dev_node + r" 2>&1 | grep -e '^Free blocks:' | sed -e 's/^Free blocks:\s\+//'"))) 437 free_blocks = long(string.strip(commands.getoutput("dumpe2fs -h " + dev_node + r" 2>&1 | grep -e '^Free blocks:' | sed -e 's/^Free blocks:\s\+//'")))
487 free_bytes = int(block_size * free_blocks) 438 free_bytes = long(block_size * free_blocks)
488 # can't hurt to pad (the +50) it a bit since this is really just a guess 439 # can't hurt to pad (the +50) it a bit since this is really just a guess
489 self._min_mb_for_resize = self._mb - int(free_bytes / MEGABYTE) + 50 440 self._min_mb_for_resize = self._mb - long(free_bytes / MEGABYTE) + 50
490 self._resizeable = True 441 self._resizeable = True
491 else: 442 else:
492 parted_part = self._device._parted_disk.get_partition(int(self._orig_minor)) 443 parted_part = self._device._parted_disk.get_partition(int(self._orig_minor))
493 try:
494 parted_fs = parted_part.geom.file_system_open() 444 parted_fs = parted_part.geom.file_system_open()
495 except:
496 self._resizeable = False
497 return
498 resize_constraint = parted_fs.get_resize_constraint() 445 resize_constraint = parted_fs.get_resize_constraint()
499 min_bytes = resize_constraint.min_size * self._device._sector_bytes 446 min_bytes = resize_constraint.min_size * self._device._sector_bytes
500 self._min_mb_for_resize = int(min_bytes / MEGABYTE) + 1 447 self._min_mb_for_resize = long(min_bytes / MEGABYTE) + 1
501 self._resizeable = True 448 self._resizeable = True
449 except:
450 self._resizeable = False
502 451
503 ## 452 ##
504 # Returns whether or not the partition is extended 453 # Returns whether or not the partition is extended
505 def is_extended(self): 454 def is_extended(self):
506 if self._type == "extended": 455 if self._type == "extended":
510 459
511 ## 460 ##
512 # Returns whether or not the partition is logical 461 # Returns whether or not the partition is logical
513 def is_logical(self): 462 def is_logical(self):
514 if self._type == "free": 463 if self._type == "free":
515 if int(self._minor) + 0.9 == self._minor: 464 if int(self._minor) + FREE_MINOR_FRAC_LOG == self._minor:
516 return True 465 return True
517 else: 466 else:
518 return False 467 return False
519 elif archinfo[self._device._arch]['extended'] and self._minor > 4: 468 elif archinfo[self._device._arch]['extended'] and self._minor > 4:
520 return True 469 return True
542 return None 491 return None
543 else: 492 else:
544 return self._device.get_partition_at(self._start, ignore_extended=0) 493 return self._device.get_partition_at(self._start, ignore_extended=0)
545 494
546 ## 495 ##
496 # Sets the options passed to mkfs
497 # @param mkfsopts Options passed to mkfs
498 def set_mkfsopts(self, mkfsopts):
499 self._mkfsopts = mkfsopts
500
501 ##
502 # Returns the options passes to mkfs
503 def get_mkfsopts(self):
504 return self._mkfsopts
505
506 ##
547 # Sets the start sector for the partition 507 # Sets the start sector for the partition
548 # @param start Start sector 508 # @param start Start sector
549 def set_start(self, start): 509 def set_start(self, start):
550 self._start = int(start) 510 self._start = long(start)
551 511
552 ## 512 ##
553 # Returns the start sector for the partition 513 # Returns the start sector for the partition
554 def get_start(self): 514 def get_start(self):
555 return int(self._start) 515 return long(self._start)
556 516
557 ## 517 ##
558 # Sets the end sector of the partition 518 # Sets the end sector of the partition
559 # @param end End sector 519 # @param end End sector
560 def set_end(self, end): 520 def set_end(self, end):
561 self._end = int(end) 521 self._end = long(end)
562 522
563 ## 523 ##
564 # Returns end sector for the partition 524 # Returns end sector for the partition
565 def get_end(self): 525 def get_end(self):
566 return int(self._end) 526 return long(self._end)
567 527
568 ## 528 ##
569 # Returns size of partition in MB 529 # Returns size of partition in MB
570 def get_mb(self): 530 def get_mb(self):
571 return int(self._mb) 531 return long(self._mb)
572 532
573 ## 533 ##
574 # Sets size of partition in MB 534 # Sets size of partition in MB
575 # @param mb Parameter description 535 # @param mb Parameter description
576 def set_mb(self, mb): 536 def set_mb(self, mb):
577 self._mb = int(mb) 537 self._mb = long(mb)
578 538
579 ## 539 ##
580 # Sets type of partition 540 # Sets type of partition
581 # @param type Parameter description 541 # @param type Parameter description
582 def set_type(self, type): 542 def set_type(self, type):
671 # Returns maximum MB for resize 631 # Returns maximum MB for resize
672 def get_max_mb_for_resize(self): 632 def get_max_mb_for_resize(self):
673 if self._resizeable: 633 if self._resizeable:
674 free_minor = 0 634 free_minor = 0
675 if self.is_logical(): 635 if self.is_logical():
676 free_minor = self._minor + 0.9 636 free_minor = self._minor + FREE_MINOR_FRAC_LOG
677 else: 637 else:
678 free_minor = self._minor + 0.1 638 free_minor = self._minor + FREE_MINOR_FRAC_PRI
679 if free_minor in self._device._partitions: 639 if free_minor in self._device._partitions:
680 return self._mb + self._device._partitions[free_minor]._mb 640 return self._mb + self._device._partitions[free_minor]._mb
681 else: 641 else:
682 return self._mb 642 return self._mb
683 else: 643 else:
687 # Resizes the partition 647 # Resizes the partition
688 # @param mb New size in MB 648 # @param mb New size in MB
689 def resize(self, mb): 649 def resize(self, mb):
690 free_minor = self._minor 650 free_minor = self._minor
691 if self.is_logical(): 651 if self.is_logical():
692 free_minor += 0.9 652 free_minor += FREE_MINOR_FRAC_LOG
693 else: 653 else:
694 free_minor += 0.1 654 free_minor += FREE_MINOR_FRAC_PRI
695 if mb < self._mb: 655 if mb < self._mb:
696 # Shrinking 656 # Shrinking
697 if not free_minor in self._device._partitions: 657 if not free_minor in self._device._partitions:
698 self._device._partitions[free_minor] = Partition(self._device, free_minor, 0, 0, 0, "free", format=False, existing=False) 658 self._device._partitions[free_minor] = Partition(self._device, free_minor, 0, 0, 0, "free", format=False, existing=False)
699 self._device._partitions[free_minor]._mb += self._mb - mb 659 self._device._partitions[free_minor]._mb += self._mb - mb
711# Returns a list of detected partitionable devices 671# Returns a list of detected partitionable devices
712def detect_devices(): 672def detect_devices():
713 devices = [] 673 devices = []
714 674
715 # Make sure sysfs exists 675 # Make sure sysfs exists
676 # TODO: rewrite for 2.4 support
716 if not os.path.exists("/sys/bus"): 677 if not os.path.exists("/sys/bus"):
717 raise GLIException("GLIStorageDeviceError", 'fatal', 'detect_devices', "no sysfs found (you MUST use a kernel >2.6)") 678 raise GLIException("GLIStorageDeviceError", 'fatal', 'detect_devices', "no sysfs found (you MUST use a kernel >2.6)")
718 # Make sure /proc/partitions exists 679 # Make sure /proc/partitions exists
719 if not os.path.exists("/proc/partitions"): 680 if not os.path.exists("/proc/partitions"):
720 raise GLIException("GLIStorageDeviceError", 'fatal', 'detect_devices', "/proc/partitions does not exist! Please make sure procfs is in your kernel and mounted!") 681 raise GLIException("GLIStorageDeviceError", 'fatal', 'detect_devices', "/proc/partitions does not exist! Please make sure procfs is in your kernel and mounted!")
757 718
758 partitions.append(( major, minor, device )) 719 partitions.append(( major, minor, device ))
759 720
760 # Scan sysfs for the devices of type 'x' 721 # Scan sysfs for the devices of type 'x'
761 # 'x' being a member of the list below: 722 # 'x' being a member of the list below:
723 # TODO: rewrite for 2.4 support
762 for dev_type in [ "ide", "scsi" ]: # Other device types? usb? fw? 724 for dev_type in [ "ide", "scsi" ]: # Other device types? usb? fw?
763 if os.path.exists("/sys/bus/" + dev_type): 725 if os.path.exists("/sys/bus/" + dev_type):
764 sysfs_devices = os.listdir("/sys/bus/"+dev_type+"/devices") 726 sysfs_devices = os.listdir("/sys/bus/"+dev_type+"/devices")
765 727
766 # For each device in the devices on that bus 728 # For each device in the devices on that bus

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