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import logging
import Bcfg2.Logger
from django.core.cache import cache
from django.db import connection, transaction, backend
from Bcfg2.Reporting import models as new_models
from Bcfg2.Server.Reports.reports import models as legacy_models
logger = logging.getLogger(__name__)
_our_backend = None
def _quote(value):
"""
Quote a string to use as a table name or column
Newer versions and various drivers require an argument
https://code.djangoproject.com/ticket/13630
"""
global _our_backend
if not _our_backend:
try:
_our_backend = backend.DatabaseOperations(connection)
except TypeError:
_our_backend = backend.DatabaseOperations(connection)
return _our_backend.quote_name(value)
@transaction.commit_on_success
def _migrate_transaction(inter, entries):
"""helper"""
logger.debug("Migrating interaction %s for %s" %
(inter.id, inter.client.name))
newint = new_models.Interaction(id=inter.id,
client_id=inter.client_id,
timestamp=inter.timestamp,
state=inter.state,
repo_rev_code=inter.repo_rev_code,
server=inter.server,
good_count=inter.goodcount,
total_count=inter.totalcount,
bad_count=inter.bad_entries,
modified_count=inter.modified_entries,
extra_count=inter.extra_entries)
try:
newint.profile_id = inter.metadata.profile.id
groups = [grp.pk for grp in inter.metadata.groups.all()]
bundles = [bun.pk for bun in inter.metadata.bundles.all()]
except legacy_models.InteractionMetadata.DoesNotExist:
groups = []
bundles = []
unkown_profile = cache.get("PROFILE_UNKNOWN")
if not unkown_profile:
unkown_profile, created = new_models.Group.objects.get_or_create(name="<<Unknown>>")
cache.set("PROFILE_UNKNOWN", unkown_profile)
newint.profile = unkown_profile
newint.save()
if bundles:
newint.bundles.add(*bundles)
if groups:
newint.groups.add(*groups)
updates = dict(paths=[], packages=[], actions=[], services=[])
for ei in legacy_models.Entries_interactions.objects.select_related('reason')\
.filter(interaction=inter):
ent = entries[ei.entry_id]
name = ent.name
act_dict = dict(name=name, exists=ei.reason.current_exists,
state=ei.type)
if ent.kind == 'Action':
act_dict['status'] = ei.reason.status
if not act_dict['status']:
act_dict['status'] = "check"
act_dict['output'] = -1
logger.debug("Adding action %s" % name)
updates['actions'].append(new_models.ActionEntry.entry_get_or_create(act_dict))
elif ent.kind == 'Package':
act_dict['target_version'] = ei.reason.version
act_dict['current_version'] = ei.reason.current_version
logger.debug("Adding package %s %s" %
(name, act_dict['target_version']))
updates['packages'].append(new_models.PackageEntry.entry_get_or_create(act_dict))
elif ent.kind == 'Path':
# these might be hard.. they aren't one to one with the old model
act_dict['path_type'] = 'file'
target_dict = dict(
owner=ei.reason.owner,
group=ei.reason.group,
perms=ei.reason.perms
)
fperm, created = new_models.FilePerms.objects.get_or_create(**target_dict)
act_dict['target_perms'] = fperm
current_dict = dict(
owner=ei.reason.current_owner,
group=ei.reason.current_group,
perms=ei.reason.current_perms
)
fperm, created = new_models.FilePerms.objects.get_or_create(**current_dict)
act_dict['current_perms'] = fperm
if ei.reason.to:
act_dict['path_type'] = 'symlink'
act_dict['target_path'] = ei.reason.to
act_dict['current_path'] = ei.reason.current_to
logger.debug("Adding link %s" % name)
updates['paths'].append(new_models.LinkEntry.entry_get_or_create(act_dict))
continue
act_dict['detail_type'] = new_models.PathEntry.DETAIL_UNUSED
if ei.reason.unpruned:
# this is the only other case we know what the type really is
act_dict['path_type'] = 'directory'
act_dict['detail_type'] = new_models.PathEntry.DETAIL_PRUNED
act_dict['details'] = ei.reason.unpruned
if ei.reason.is_sensitive:
act_dict['detail_type'] = new_models.PathEntry.DETAIL_SENSITIVE
elif ei.reason.is_binary:
act_dict['detail_type'] = new_models.PathEntry.DETAIL_BINARY
act_dict['details'] = ei.reason.current_diff
elif ei.reason.current_diff:
act_dict['detail_type'] = new_models.PathEntry.DETAIL_DIFF
act_dict['details'] = ei.reason.current_diff
logger.debug("Adding path %s" % name)
updates['paths'].append(new_models.PathEntry.entry_get_or_create(act_dict))
elif ent.kind == 'Service':
act_dict['target_status'] = ei.reason.status
act_dict['current_status'] = ei.reason.current_status
logger.debug("Adding service %s" % name)
updates['services'].append(new_models.ServiceEntry.entry_get_or_create(act_dict))
else:
logger.warn("Skipping type %s" % ent.kind)
for entry_type in updates.keys():
i = 0
while(i < len(updates[entry_type])):
getattr(newint, entry_type).add(*updates[entry_type][i:i+100])
i += 100
for perf in inter.performance_items.all():
new_models.Performance(
interaction=newint,
metric=perf.metric,
value=perf.value).save()
def _shove(old_table, new_table, columns):
cols = ",".join([_quote(f) for f in columns])
sql = "insert into %s(%s) select %s from %s" % (
_quote(new_table),
cols,
cols,
_quote(old_table))
cursor = connection.cursor()
cursor.execute(sql)
cursor.close()
@transaction.commit_manually
def _restructure():
"""major restructure of reporting data"""
logger.info("Migrating clients")
try:
_shove(legacy_models.Client._meta.db_table, new_models.Client._meta.db_table,
('id', 'name', 'creation', 'expiration'))
except:
logger.error("Failed to migrate clients", exc_info=1)
return False
logger.info("Migrating Bundles")
try:
_shove(legacy_models.Bundle._meta.db_table, new_models.Bundle._meta.db_table,
('id', 'name'))
except:
logger.error("Failed to migrate bundles", exc_info=1)
return False
logger.info("Migrating Groups")
try:
_shove(legacy_models.Group._meta.db_table, new_models.Group._meta.db_table,
('id', 'name', 'profile', 'public', 'category', 'comment'))
except:
logger.error("Failed to migrate groups", exc_info=1)
return False
try:
entries = {}
for ent in legacy_models.Entries.objects.all():
entries[ent.id] = ent
except:
logger.error("Failed to populate entries dict", exc_info=1)
return False
transaction.commit()
failures = []
int_count = legacy_models.Interaction.objects.count()
int_ctr = 0
for inter in legacy_models.Interaction.objects.select_related().all():
if int_ctr % 1000 == 0:
logger.info("Migrated %s of %s interactions" % (int_ctr, int_count))
try:
_migrate_transaction(inter, entries)
except:
logger.error("Failed to migrate interaction %s for %s" %
(inter.id, inter.client.name), exc_info=1)
failures.append(inter.id)
int_ctr += 1
if not failures:
logger.info("Successfully restructured reason data")
return True
if __name__ == '__main__':
Bcfg2.Logger.setup_logging('bcfg2-report-collector',
to_console=logging.INFO,
level=logging.INFO)
_restructure()
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