def control_service(self, service, action):
""" remotely start/stop/restart/status a service, using CLIENT_SCRIPT """
from options import VERBOSE
if service not in ('londiste', 'ticker', 'pgbouncer'):
raise Exception, "Error: unknown service '%s'" % service
args = [action, service]
if service in ('londiste', 'ticker') and not self.replication:
raise Exception, "Error: no replication in your setup"
if service == 'pgbouncer':
bargs = args + [self.pgbouncer_port]
out = utils.run_client_script(self.host, bargs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
return
if service == 'londiste':
l = londiste.londiste(self.replication, self.section,
self.dbname, self.dated_dbname,
self.tmpdir, clean = True)
for t, host in l.tickers():
targs = [ action, 'ticker',
os.path.basename( t.get_config_filename() ) ]
out = utils.run_client_script(host, targs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
for p, host in l.providers():
pargs = args + [ p, os.path.basename( l.get_config_filename(p) ) ]
out = utils.run_client_script(host, pargs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
return
if service == 'ticker':
l = londiste.londiste(self.replication, self.section,
self.dbname, self.dated_dbname,
self.tmpdir, clean = True)
for t, host in l.tickers():
targs = args + [ os.path.basename( t.get_config_filename() ) ]
out = utils.run_client_script(self.host, targs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
return
def prepare_then_run_londiste(self):
""" prepare .ini files for all concerned providers """
if self.replication:
l = londiste.londiste(self.replication,
self.section,
self.dbname,
self.dated_dbname,
self.tmpdir,
clean=True)
# first the tickers
for t, host in l.tickers():
filename = t.write()
if filename:
t.start(host, filename, self.use_sudo)
yield t.section, filename
# now the londiste daemons
for p, host in l.providers():
filename = l.write(p)
l.start(p, host, filename, self.use_sudo)
yield p, filename
return
def get_nodata_tables(self):
""" return a list of tables to avoid restoring """
if self.replication and self.dated_dbname:
l = londiste.londiste(self.replication, self.section, self.dbname,
self.dated_dbname, self.tmpdir)
return l.get_nodata_tables()
return
def get_nodata_tables(self):
""" return a list of tables to avoid restoring """
if self.replication and self.dated_dbname:
l = londiste.londiste(self.replication, self.section,
self.dbname, self.dated_dbname, self.tmpdir)
return l.get_nodata_tables()
return
def prepare_then_run_londiste(self):
""" prepare .ini files for all concerned providers """
if self.replication:
l = londiste.londiste(self.replication, self.section,
self.dbname, self.dated_dbname,
self.tmpdir, clean = True)
# first the tickers
for t, host in l.tickers():
filename = t.write()
if filename:
t.start(host, filename, self.use_sudo)
yield t.section, filename
# now the londiste daemons
for p, host in l.providers():
filename = l.write(p)
l.start(p, host, filename, self.use_sudo)
yield p, filename
return
def control_service(self, service, action):
""" remotely start/stop/restart/status a service, using CLIENT_SCRIPT """
from options import VERBOSE
if service not in ('londiste', 'ticker', 'pgbouncer'):
raise Exception, "Error: unknown service '%s'" % service
args = [action, service]
if service in ('londiste', 'ticker') and not self.replication:
raise Exception, "Error: no replication in your setup"
if service == 'pgbouncer':
bargs = args + [self.pgbouncer_port]
out = utils.run_client_script(self.host, bargs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
return
if service == 'londiste':
l = londiste.londiste(self.replication,
self.section,
self.dbname,
self.dated_dbname,
self.tmpdir,
clean=True)
for t, host in l.tickers():
targs = [
action, 'ticker',
os.path.basename(t.get_config_filename())
]
out = utils.run_client_script(host, targs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
for p, host in l.providers():
pargs = args + [p, os.path.basename(l.get_config_filename(p))]
out = utils.run_client_script(host, pargs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
return
if service == 'ticker':
l = londiste.londiste(self.replication,
self.section,
self.dbname,
self.dated_dbname,
self.tmpdir,
clean=True)
for t, host in l.tickers():
targs = args + [os.path.basename(t.get_config_filename())]
out = utils.run_client_script(self.host, targs, self.use_sudo)
if (action == 'status' or VERBOSE) and out:
print out
return
