tahoe-lafs/src/allmydata/check_results.py

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from zope.interface import implements
from allmydata.interfaces import ICheckResults, ICheckAndRepairResults, \
IDeepCheckResults, IDeepCheckAndRepairResults, IURI, IDisplayableServer
from allmydata.util import base32
class CheckResults:
implements(ICheckResults)
def __init__(self, uri, storage_index,
healthy, recoverable, needs_rebalancing,
count_shares_needed, count_shares_expected,
count_shares_good, count_good_share_hosts,
count_recoverable_versions, count_unrecoverable_versions,
servers_responding, sharemap,
count_wrong_shares, list_corrupt_shares, count_corrupt_shares,
list_incompatible_shares, count_incompatible_shares,
summary, report, share_problems, servermap):
assert IURI.providedBy(uri), uri
self._uri = uri
self._storage_index = storage_index
self._summary = ""
self._healthy = bool(healthy)
if self._healthy:
assert recoverable
if not summary:
summary = "healthy"
else:
if not summary:
summary = "not healthy"
self._recoverable = recoverable
if not self._recoverable:
assert not self._healthy
self._needs_rebalancing_p = bool(needs_rebalancing)
self._count_shares_needed = count_shares_needed
self._count_shares_expected = count_shares_expected
self._count_shares_good = count_shares_good
self._count_good_share_hosts = count_good_share_hosts
self._count_recoverable_versions = count_recoverable_versions
self._count_unrecoverable_versions = count_unrecoverable_versions
for server in servers_responding:
assert IDisplayableServer.providedBy(server), server
self._servers_responding = servers_responding
for shnum, servers in sharemap.items():
for server in servers:
assert IDisplayableServer.providedBy(server), server
self._sharemap = sharemap
self._count_wrong_shares = count_wrong_shares
for (server, SI, shnum) in list_corrupt_shares:
assert IDisplayableServer.providedBy(server), server
self._list_corrupt_shares = list_corrupt_shares
self._count_corrupt_shares = count_corrupt_shares
for (server, SI, shnum) in list_incompatible_shares:
assert IDisplayableServer.providedBy(server), server
self._list_incompatible_shares = list_incompatible_shares
self._count_incompatible_shares = count_incompatible_shares
assert isinstance(summary, str) # should be a single string
self._summary = summary
assert not isinstance(report, str) # should be list of strings
self._report = report
if servermap:
from allmydata.mutable.servermap import ServerMap
assert isinstance(servermap, ServerMap), servermap
self._servermap = servermap # mutable only
self._share_problems = share_problems
def get_storage_index(self):
return self._storage_index
def get_storage_index_string(self):
return base32.b2a(self._storage_index)
def get_uri(self):
return self._uri
def is_healthy(self):
return self._healthy
def is_recoverable(self):
return self._recoverable
def needs_rebalancing(self):
return self._needs_rebalancing_p
def get_encoding_needed(self):
return self._count_shares_needed
def get_encoding_expected(self):
return self._count_shares_expected
def get_share_counter_good(self):
return self._count_shares_good
def get_share_counter_wrong(self):
return self._count_wrong_shares
def get_new_corrupt_shares(self):
return self._list_corrupt_shares
def get_corrupt_shares(self):
return [(s.get_serverid(), SI, shnum)
for (s, SI, shnum) in self._list_corrupt_shares]
def get_new_incompatible_shares(self):
return self._list_incompatible_shares
def get_incompatible_shares(self):
return [(s.get_serverid(), SI, shnum)
for (s, SI, shnum) in self._list_incompatible_shares]
def get_new_servers_responding(self):
return self._servers_responding
def get_servers_responding(self):
return [s.get_serverid() for s in self._servers_responding]
def get_host_counter_good_shares(self):
return self._count_good_share_hosts
def get_version_counter_recoverable(self):
return self._count_recoverable_versions
def get_version_counter_unrecoverable(self):
return self._count_unrecoverable_versions
def get_sharemap(self):
return self._sharemap
def as_dict(self):
sharemap = {}
for shnum, servers in self._sharemap.items():
sharemap[shnum] = sorted([s.get_serverid() for s in servers])
responding = [s.get_serverid() for s in self._servers_responding]
corrupt = [(s.get_serverid(), SI, shnum)
for (s, SI, shnum) in self._list_corrupt_shares]
incompatible = [(s.get_serverid(), SI, shnum)
for (s, SI, shnum) in self._list_incompatible_shares]
d = {"count-shares-needed": self._count_shares_needed,
"count-shares-expected": self._count_shares_expected,
"count-shares-good": self._count_shares_good,
"count-good-share-hosts": self._count_good_share_hosts,
"count-recoverable-versions": self._count_recoverable_versions,
"count-unrecoverable-versions": self._count_unrecoverable_versions,
"servers-responding": responding,
"sharemap": sharemap,
"count-wrong-shares": self._count_wrong_shares,
"list-corrupt-shares": corrupt,
"count-corrupt-shares": self._count_corrupt_shares,
"list-incompatible-shares": incompatible,
"count-incompatible-shares": self._count_incompatible_shares,
}
return d
def get_summary(self):
return self._summary
def get_report(self):
return self._report
def get_share_problems(self):
return self._share_problems
def get_servermap(self):
return self._servermap
class CheckAndRepairResults:
implements(ICheckAndRepairResults)
def __init__(self, storage_index):
self.storage_index = storage_index
self.repair_attempted = False
def get_storage_index(self):
return self.storage_index
def get_storage_index_string(self):
return base32.b2a(self.storage_index)
def get_repair_attempted(self):
return self.repair_attempted
def get_repair_successful(self):
if not self.repair_attempted:
return False
return self.repair_successful
def get_pre_repair_results(self):
return self.pre_repair_results
def get_post_repair_results(self):
return self.post_repair_results
class DeepResultsBase:
def __init__(self, root_storage_index):
self.root_storage_index = root_storage_index
if root_storage_index is None:
self.root_storage_index_s = "<none>" # is this correct?
else:
self.root_storage_index_s = base32.b2a(root_storage_index)
self.objects_checked = 0
self.objects_healthy = 0
self.objects_unhealthy = 0
self.objects_unrecoverable = 0
self.corrupt_shares = []
self.all_results = {}
self.all_results_by_storage_index = {}
self.stats = {}
def update_stats(self, new_stats):
self.stats.update(new_stats)
def get_root_storage_index_string(self):
return self.root_storage_index_s
def get_corrupt_shares(self):
return self.corrupt_shares
def get_all_results(self):
return self.all_results
def get_results_for_storage_index(self, storage_index):
return self.all_results_by_storage_index[storage_index]
def get_stats(self):
return self.stats
class DeepCheckResults(DeepResultsBase):
implements(IDeepCheckResults)
def add_check(self, r, path):
if not r:
return # non-distributed object, i.e. LIT file
r = ICheckResults(r)
assert isinstance(path, (list, tuple))
self.objects_checked += 1
if r.is_healthy():
self.objects_healthy += 1
else:
self.objects_unhealthy += 1
if not r.is_recoverable():
self.objects_unrecoverable += 1
self.all_results[tuple(path)] = r
self.all_results_by_storage_index[r.get_storage_index()] = r
self.corrupt_shares.extend(r.get_corrupt_shares())
def get_counters(self):
return {"count-objects-checked": self.objects_checked,
"count-objects-healthy": self.objects_healthy,
"count-objects-unhealthy": self.objects_unhealthy,
"count-objects-unrecoverable": self.objects_unrecoverable,
"count-corrupt-shares": len(self.corrupt_shares),
}
class DeepCheckAndRepairResults(DeepResultsBase):
implements(IDeepCheckAndRepairResults)
def __init__(self, root_storage_index):
DeepResultsBase.__init__(self, root_storage_index)
self.objects_healthy_post_repair = 0
self.objects_unhealthy_post_repair = 0
self.objects_unrecoverable_post_repair = 0
self.repairs_attempted = 0
self.repairs_successful = 0
self.repairs_unsuccessful = 0
self.corrupt_shares_post_repair = []
def add_check_and_repair(self, r, path):
if not r:
return # non-distributed object, i.e. LIT file
r = ICheckAndRepairResults(r)
assert isinstance(path, (list, tuple))
pre_repair = r.get_pre_repair_results()
post_repair = r.get_post_repair_results()
self.objects_checked += 1
if pre_repair.is_healthy():
self.objects_healthy += 1
else:
self.objects_unhealthy += 1
if not pre_repair.is_recoverable():
self.objects_unrecoverable += 1
self.corrupt_shares.extend(pre_repair.get_corrupt_shares())
if r.get_repair_attempted():
self.repairs_attempted += 1
if r.get_repair_successful():
self.repairs_successful += 1
else:
self.repairs_unsuccessful += 1
if post_repair.is_healthy():
self.objects_healthy_post_repair += 1
else:
self.objects_unhealthy_post_repair += 1
if not post_repair.is_recoverable():
self.objects_unrecoverable_post_repair += 1
self.all_results[tuple(path)] = r
self.all_results_by_storage_index[r.get_storage_index()] = r
self.corrupt_shares_post_repair.extend(post_repair.get_corrupt_shares())
def get_counters(self):
return {"count-objects-checked": self.objects_checked,
"count-objects-healthy-pre-repair": self.objects_healthy,
"count-objects-unhealthy-pre-repair": self.objects_unhealthy,
"count-objects-unrecoverable-pre-repair": self.objects_unrecoverable,
"count-objects-healthy-post-repair": self.objects_healthy_post_repair,
"count-objects-unhealthy-post-repair": self.objects_unhealthy_post_repair,
"count-objects-unrecoverable-post-repair": self.objects_unrecoverable_post_repair,
"count-repairs-attempted": self.repairs_attempted,
"count-repairs-successful": self.repairs_successful,
"count-repairs-unsuccessful": self.repairs_unsuccessful,
"count-corrupt-shares-pre-repair": len(self.corrupt_shares),
"count-corrupt-shares-post-repair": len(self.corrupt_shares_post_repair),
}
def get_remaining_corrupt_shares(self):
return self.corrupt_shares_post_repair