tahoe-lafs/src/allmydata/checker_results.py

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from zope.interface import implements
from allmydata.interfaces import ICheckerResults, ICheckAndRepairResults, \
IDeepCheckResults, IDeepCheckAndRepairResults
from allmydata.util import base32
class CheckerResults:
implements(ICheckerResults)
def __init__(self, storage_index):
self.storage_index = storage_index
self.problems = []
self.data = {"count-corrupt-shares": 0,
"list-corrupt-shares": [],
}
self.summary = ""
self.report = []
def set_healthy(self, healthy):
self.healthy = bool(healthy)
def set_needs_rebalancing(self, needs_rebalancing):
self.needs_rebalancing_p = bool(needs_rebalancing)
def set_data(self, data):
self.data.update(data)
def set_summary(self, summary):
assert isinstance(summary, str) # should be a single string
self.summary = summary
def set_report(self, report):
assert not isinstance(report, str) # should be list of strings
self.report = report
def set_servermap(self, smap):
# mutable only
self.servermap = smap
def get_storage_index(self):
return self.storage_index
def get_storage_index_string(self):
return base32.b2a(self.storage_index)
def is_healthy(self):
return self.healthy
def needs_rebalancing(self):
return self.needs_rebalancing_p
def get_data(self):
return self.data
def get_summary(self):
return self.summary
def get_report(self):
return self.report
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>"
else:
self.root_storage_index_s = base32.b2a(root_storage_index)[:6]
self.objects_checked = 0
self.objects_healthy = 0
self.objects_unhealthy = 0
self.corrupt_shares = []
self.all_results = {}
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
class DeepCheckResults(DeepResultsBase):
implements(IDeepCheckResults)
def add_check(self, r, path):
if not r:
return # non-distributed object, i.e. LIT file
r = ICheckerResults(r)
assert isinstance(path, (list, tuple))
self.objects_checked += 1
if r.is_healthy():
self.objects_healthy += 1
else:
self.objects_unhealthy += 1
self.all_results[tuple(path)] = r
self.corrupt_shares.extend(r.get_data()["list-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-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_healthy_post_repair = 0
self.objects_healthy_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
self.corrupt_shares.extend(pre_repair.get_data()["list-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
self.all_results[tuple(path)] = r
self.corrupt_shares_post_repair.extend(post_repair.get_data()["list-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-healthy-post-repair": self.objects_healthy_post_repair,
"count-objects-unhealthy-post-repair": self.objects_unhealthy_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