src/allmydata/check_results.py

   1
   2 from zope.interface import implements
   3 from allmydata.interfaces import ICheckResults, ICheckAndRepairResults, \
   4      IDeepCheckResults, IDeepCheckAndRepairResults, IURI, IDisplayableServer
   5 from allmydata.util import base32
   6
   7 class CheckResults:
   8     implements(ICheckResults)
   9
  10     def __init__(self, uri, storage_index,
  11                  healthy, recoverable, needs_rebalancing,
  12                  count_shares_needed, count_shares_expected,
  13                  count_shares_good, count_good_share_hosts,
  14                  count_recoverable_versions, count_unrecoverable_versions,
  15                  servers_responding, sharemap,
  16                  count_wrong_shares, list_corrupt_shares, count_corrupt_shares,
  17                  list_incompatible_shares, count_incompatible_shares,
  18                  summary, report, share_problems, servermap):
  19         assert IURI.providedBy(uri), uri
  20         self._uri = uri
  21         self._storage_index = storage_index
  22         self._summary = ""
  23         self._healthy = bool(healthy)
  24         if self._healthy:
  25             assert recoverable
  26             if not summary:
  27                 summary = "healthy"
  28         else:
  29             if not summary:
  30                 summary = "not healthy"
  31         self._recoverable = recoverable
  32         if not self._recoverable:
  33             assert not self._healthy
  34         self._needs_rebalancing_p = bool(needs_rebalancing)
  35
  36         self._count_shares_needed = count_shares_needed
  37         self._count_shares_expected = count_shares_expected
  38         self._count_shares_good = count_shares_good
  39         self._count_good_share_hosts = count_good_share_hosts
  40         self._count_recoverable_versions = count_recoverable_versions
  41         self._count_unrecoverable_versions = count_unrecoverable_versions
  42         for server in servers_responding:
  43             assert IDisplayableServer.providedBy(server), server
  44         self._servers_responding = servers_responding
  45         for shnum, servers in sharemap.items():
  46             for server in servers:
  47                 assert IDisplayableServer.providedBy(server), server
  48         self._sharemap = sharemap
  49         self._count_wrong_shares = count_wrong_shares
  50         for (server, SI, shnum) in list_corrupt_shares:
  51             assert IDisplayableServer.providedBy(server), server
  52         self._list_corrupt_shares = list_corrupt_shares
  53         self._count_corrupt_shares = count_corrupt_shares
  54         for (server, SI, shnum) in list_incompatible_shares:
  55             assert IDisplayableServer.providedBy(server), server
  56         self._list_incompatible_shares = list_incompatible_shares
  57         self._count_incompatible_shares = count_incompatible_shares
  58
  59         assert isinstance(summary, str) # should be a single string
  60         self._summary = summary
  61         assert not isinstance(report, str) # should be list of strings
  62         self._report = report
  63         if servermap:
  64             from allmydata.mutable.servermap import ServerMap
  65             assert isinstance(servermap, ServerMap), servermap
  66         self._servermap = servermap # mutable only
  67         self._share_problems = share_problems
  68
  69     def get_storage_index(self):
  70         return self._storage_index
  71     def get_storage_index_string(self):
  72         return base32.b2a(self._storage_index)
  73     def get_uri(self):
  74         return self._uri
  75
  76     def is_healthy(self):
  77         return self._healthy
  78     def is_recoverable(self):
  79         return self._recoverable
  80
  81     def needs_rebalancing(self):
  82         return self._needs_rebalancing_p
  83
  84     def get_encoding_needed(self):
  85         return self._count_shares_needed
  86     def get_encoding_expected(self):
  87         return self._count_shares_expected
  88
  89     def get_share_counter_good(self):
  90         return self._count_shares_good
  91     def get_share_counter_wrong(self):
  92         return self._count_wrong_shares
  93
  94     def get_new_corrupt_shares(self):
  95         return self._list_corrupt_shares
  96     def get_corrupt_shares(self):
  97         return [(s.get_serverid(), SI, shnum)
  98                 for (s, SI, shnum) in self._list_corrupt_shares]
  99
 100     def get_new_incompatible_shares(self):
 101         return self._list_incompatible_shares
 102     def get_incompatible_shares(self):
 103         return [(s.get_serverid(), SI, shnum)
 104                 for (s, SI, shnum) in self._list_incompatible_shares]
 105
 106     def get_servers_responding(self):
 107         return self._servers_responding
 108
 109     def get_host_counter_good_shares(self):
 110         return self._count_good_share_hosts
 111
 112     def get_version_counter_recoverable(self):
 113         return self._count_recoverable_versions
 114     def get_version_counter_unrecoverable(self):
 115         return self._count_unrecoverable_versions
 116
 117     def get_sharemap(self):
 118         return self._sharemap
 119
 120     def as_dict(self):
 121         sharemap = {}
 122         for shnum, servers in self._sharemap.items():
 123             sharemap[shnum] = sorted([s.get_serverid() for s in servers])
 124         responding = [s.get_serverid() for s in self._servers_responding]
 125         corrupt = [(s.get_serverid(), SI, shnum)
 126                    for (s, SI, shnum) in self._list_corrupt_shares]
 127         incompatible = [(s.get_serverid(), SI, shnum)
 128                         for (s, SI, shnum) in self._list_incompatible_shares]
 129         d = {"count-shares-needed": self._count_shares_needed,
 130              "count-shares-expected": self._count_shares_expected,
 131              "count-shares-good": self._count_shares_good,
 132              "count-good-share-hosts": self._count_good_share_hosts,
 133              "count-recoverable-versions": self._count_recoverable_versions,
 134              "count-unrecoverable-versions": self._count_unrecoverable_versions,
 135              "servers-responding": responding,
 136              "sharemap": sharemap,
 137              "count-wrong-shares": self._count_wrong_shares,
 138              "list-corrupt-shares": corrupt,
 139              "count-corrupt-shares": self._count_corrupt_shares,
 140              "list-incompatible-shares": incompatible,
 141              "count-incompatible-shares": self._count_incompatible_shares,
 142              }
 143         return d
 144
 145     def get_summary(self):
 146         return self._summary
 147     def get_report(self):
 148         return self._report
 149     def get_share_problems(self):
 150         return self._share_problems
 151     def get_servermap(self):
 152         return self._servermap
 153
 154 class CheckAndRepairResults:
 155     implements(ICheckAndRepairResults)
 156
 157     def __init__(self, storage_index):
 158         self.storage_index = storage_index
 159         self.repair_attempted = False
 160
 161     def get_storage_index(self):
 162         return self.storage_index
 163     def get_storage_index_string(self):
 164         return base32.b2a(self.storage_index)
 165     def get_repair_attempted(self):
 166         return self.repair_attempted
 167     def get_repair_successful(self):
 168         if not self.repair_attempted:
 169             return False
 170         return self.repair_successful
 171     def get_pre_repair_results(self):
 172         return self.pre_repair_results
 173     def get_post_repair_results(self):
 174         return self.post_repair_results
 175
 176
 177 class DeepResultsBase:
 178
 179     def __init__(self, root_storage_index):
 180         self.root_storage_index = root_storage_index
 181         if root_storage_index is None:
 182             self.root_storage_index_s = "<none>"  # is this correct?
 183         else:
 184             self.root_storage_index_s = base32.b2a(root_storage_index)
 185
 186         self.objects_checked = 0
 187         self.objects_healthy = 0
 188         self.objects_unhealthy = 0
 189         self.objects_unrecoverable = 0
 190         self.corrupt_shares = []
 191         self.all_results = {}
 192         self.all_results_by_storage_index = {}
 193         self.stats = {}
 194
 195     def update_stats(self, new_stats):
 196         self.stats.update(new_stats)
 197
 198     def get_root_storage_index_string(self):
 199         return self.root_storage_index_s
 200
 201     def get_corrupt_shares(self):
 202         return self.corrupt_shares
 203
 204     def get_all_results(self):
 205         return self.all_results
 206
 207     def get_results_for_storage_index(self, storage_index):
 208         return self.all_results_by_storage_index[storage_index]
 209
 210     def get_stats(self):
 211         return self.stats
 212
 213
 214 class DeepCheckResults(DeepResultsBase):
 215     implements(IDeepCheckResults)
 216
 217     def add_check(self, r, path):
 218         if not r:
 219             return # non-distributed object, i.e. LIT file
 220         r = ICheckResults(r)
 221         assert isinstance(path, (list, tuple))
 222         self.objects_checked += 1
 223         if r.is_healthy():
 224             self.objects_healthy += 1
 225         else:
 226             self.objects_unhealthy += 1
 227         if not r.is_recoverable():
 228             self.objects_unrecoverable += 1
 229         self.all_results[tuple(path)] = r
 230         self.all_results_by_storage_index[r.get_storage_index()] = r
 231         self.corrupt_shares.extend(r.get_corrupt_shares())
 232
 233     def get_counters(self):
 234         return {"count-objects-checked": self.objects_checked,
 235                 "count-objects-healthy": self.objects_healthy,
 236                 "count-objects-unhealthy": self.objects_unhealthy,
 237                 "count-objects-unrecoverable": self.objects_unrecoverable,
 238                 "count-corrupt-shares": len(self.corrupt_shares),
 239                 }
 240
 241
 242 class DeepCheckAndRepairResults(DeepResultsBase):
 243     implements(IDeepCheckAndRepairResults)
 244
 245     def __init__(self, root_storage_index):
 246         DeepResultsBase.__init__(self, root_storage_index)
 247         self.objects_healthy_post_repair = 0
 248         self.objects_unhealthy_post_repair = 0
 249         self.objects_unrecoverable_post_repair = 0
 250         self.repairs_attempted = 0
 251         self.repairs_successful = 0
 252         self.repairs_unsuccessful = 0
 253         self.corrupt_shares_post_repair = []
 254
 255     def add_check_and_repair(self, r, path):
 256         if not r:
 257             return # non-distributed object, i.e. LIT file
 258         r = ICheckAndRepairResults(r)
 259         assert isinstance(path, (list, tuple))
 260         pre_repair = r.get_pre_repair_results()
 261         post_repair = r.get_post_repair_results()
 262         self.objects_checked += 1
 263         if pre_repair.is_healthy():
 264             self.objects_healthy += 1
 265         else:
 266             self.objects_unhealthy += 1
 267         if not pre_repair.is_recoverable():
 268             self.objects_unrecoverable += 1
 269         self.corrupt_shares.extend(pre_repair.get_corrupt_shares())
 270         if r.get_repair_attempted():
 271             self.repairs_attempted += 1
 272             if r.get_repair_successful():
 273                 self.repairs_successful += 1
 274             else:
 275                 self.repairs_unsuccessful += 1
 276         if post_repair.is_healthy():
 277             self.objects_healthy_post_repair += 1
 278         else:
 279             self.objects_unhealthy_post_repair += 1
 280         if not post_repair.is_recoverable():
 281             self.objects_unrecoverable_post_repair += 1
 282         self.all_results[tuple(path)] = r
 283         self.all_results_by_storage_index[r.get_storage_index()] = r
 284         self.corrupt_shares_post_repair.extend(post_repair.get_corrupt_shares())
 285
 286     def get_counters(self):
 287         return {"count-objects-checked": self.objects_checked,
 288                 "count-objects-healthy-pre-repair": self.objects_healthy,
 289                 "count-objects-unhealthy-pre-repair": self.objects_unhealthy,
 290                 "count-objects-unrecoverable-pre-repair": self.objects_unrecoverable,
 291                 "count-objects-healthy-post-repair": self.objects_healthy_post_repair,
 292                 "count-objects-unhealthy-post-repair": self.objects_unhealthy_post_repair,
 293                 "count-objects-unrecoverable-post-repair": self.objects_unrecoverable_post_repair,
 294                 "count-repairs-attempted": self.repairs_attempted,
 295                 "count-repairs-successful": self.repairs_successful,
 296                 "count-repairs-unsuccessful": self.repairs_unsuccessful,
 297                 "count-corrupt-shares-pre-repair": len(self.corrupt_shares),
 298                 "count-corrupt-shares-post-repair": len(self.corrupt_shares_post_repair),
 299                 }
 300
 301     def get_remaining_corrupt_shares(self):
 302         return self.corrupt_shares_post_repair