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import sys
# prereq issues can be signaled with ImportError, so no try needed
import sqlalchemy, sqlalchemy.orm
import Bcfg2.Server.Admin
import Bcfg2.Server.Snapshots
import Bcfg2.Server.Snapshots.model
from Bcfg2.Server.Snapshots.model import Snapshot, Client, Metadata, Base, \
File, Group, Package, Service
class Snapshots(Bcfg2.Server.Admin.Mode):
__shorthelp__ = "Interact with the Snapshots system"
__longhelp__ = (__shorthelp__)
__usage__ = ("bcfg2-admin snapshots [init|query qtype]")
q_dispatch = {'client':Client,
'group':Group,
'metadata':Metadata,
'package':Package,
'snapshot':Snapshot}
def __init__(self, configfile):
Bcfg2.Server.Admin.Mode.__init__(self, configfile)
#self.session = Bcfg2.Server.Snapshots.setup_session(debug=True)
self.session = Bcfg2.Server.Snapshots.setup_session()
def __call__(self, args):
Bcfg2.Server.Admin.Mode.__call__(self, args)
if len(args) == 0 or args[0] == '-h':
print(self.__usage__)
raise SystemExit(0)
if args[0] == 'query':
if args[1] in self.q_dispatch:
q_obj = self.q_dispatch[args[1]]
if q_obj == Client:
rows = []
labels = ('Client', 'Active')
for host in \
self.session.query(q_obj).filter(q_obj.active == False):
rows.append([host.name, 'No'])
for host in \
self.session.query(q_obj).filter(q_obj.active == True):
rows.append([host.name, 'Yes'])
self.print_table([labels]+rows,
justify='left',
hdr=True,
vdelim=" ",
padding=1)
elif q_obj == Group:
print("Groups:")
for group in self.session.query(q_obj).all():
print(" %s" % group.name)
else:
results = self.session.query(q_obj).all()
else:
print('error')
raise SystemExit(1)
elif args[0] == 'init':
# Initialize the Snapshots database
dbpath = Bcfg2.Server.Snapshots.db_from_config()
engine = sqlalchemy.create_engine(dbpath, echo=True)
metadata = Base.metadata
metadata.create_all(engine)
Session = sqlalchemy.orm.sessionmaker()
Session.configure(bind=engine)
session = Session()
session.commit()
elif args[0] == 'dump':
client = args[1]
snap = Snapshot.get_current(self.session, unicode(client))
if not snap:
print("Current snapshot for %s not found" % client)
sys.exit(1)
print("Client %s last run at %s" % (client, snap.timestamp))
for pkg in snap.packages:
print("C:", pkg.correct, 'M:', pkg.modified)
print("start", pkg.start.name, pkg.start.version)
print("end", pkg.end.name, pkg.end.version)
elif args[0] == 'reports':
# bcfg2-admin reporting interface for Snapshots
if '-a' in args[1:]:
# Query all hosts for Name, Status, Revision, Timestamp
q = self.session.query(Client.name,
Snapshot.correct,
Snapshot.revision,
Snapshot.timestamp)\
.filter(Client.id==Snapshot.client_id)\
.group_by(Client.id)
rows = []
labels = ('Client', 'Correct', 'Revision', 'Time')
for item in q.all():
cli, cor, time, rev = item
rows.append([cli, cor, time, rev])
self.print_table([labels]+rows,
justify='left',
hdr=True, vdelim=" ",
padding=1)
elif '-b' in args[1:]:
# Query a single host for bad entries
client = args[2]
snap = Snapshot.get_current(self.session, unicode(client))
if not snap:
print("Current snapshot for %s not found" % client)
sys.exit(1)
print("Bad entries:")
bad_pkgs = [self.session.query(Package)
.filter(Package.id==p.start_id).one().name \
for p in snap.packages if p.correct == False]
for p in bad_pkgs:
print(" Package:%s" % p)
bad_files = [self.session.query(File)
.filter(File.id==f.start_id).one().name \
for f in snap.files if f.correct == False]
for filename in bad_files:
print(" File:%s" % filename)
bad_svcs = [self.session.query(Service)
.filter(Service.id==s.start_id).one().name \
for s in snap.services if s.correct == False]
for svc in bad_svcs:
print(" Service:%s" % svc)
elif '-e' in args[1:]:
# Query a single host for extra entries
client = args[2]
snap = Snapshot.get_current(self.session, unicode(client))
if not snap:
print("Current snapshot for %s not found" % client)
sys.exit(1)
print("Extra entries:")
for pkg in snap.extra_packages:
print(" Package:%s" % pkg.name)
# FIXME: Do we know about extra files yet?
for f in snap.extra_files:
print(" File:%s" % f.name)
for svc in snap.extra_services:
print(" Service:%s" % svc.name)
else:
print("Unknown options: ", args[1:])
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