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#! /usr/bin/env python
"""Admin scripting.
"""
import sys, os, skytools
from skytools.scripting import DBScript
__all__ = ['AdminScript']
class AdminScript(DBScript):
def __init__(self, service_name, args):
DBScript.__init__(self, service_name, args)
self.pidfile = self.pidfile + ".admin"
if len(self.args) < 2:
self.log.error("need command")
sys.exit(1)
def work(self):
self.set_single_loop(1)
cmd = self.args[1]
fname = "cmd_" + cmd.replace('-', '_')
if hasattr(self, fname):
getattr(self, fname)(self.args[2:])
else:
self.log.error('bad subcommand, see --help for usage')
sys.exit(1)
def fetch_list(self, curs, sql, args, keycol = None):
curs.execute(sql, args)
rows = curs.dictfetchall()
if not keycol:
res = rows
else:
res = [r[keycol] for r in rows]
return res
def display_table(self, desc, curs, sql, args = [], fields = []):
"""Display multirow query as a table."""
curs.execute(sql, args)
rows = curs.fetchall()
if len(rows) == 0:
return 0
if not fields:
fields = [f[0] for f in curs.description]
widths = [15] * len(fields)
for row in rows:
for i, k in enumerate(fields):
rlen = row[k] and len(row) or 0
widths[i] = widths[i] > rlen and widths[i] or rlen
widths = [w + 2 for w in widths]
fmt = '%%-%ds' * (len(widths) - 1) + '%%s'
fmt = fmt % tuple(widths[:-1])
if desc:
print desc
print fmt % tuple(fields)
print fmt % tuple(['-'*15] * len(fields))
for row in rows:
print fmt % tuple([row[k] for k in fields])
print '\n'
return 1
def db_display_table(self, db, desc, sql, args = [], fields = []):
curs = db.cursor()
res = self.display_table(desc, curs, sql, args, fields)
db.commit()
return res
def exec_checked(self, curs, sql, args):
curs.execute(sql, args)
ok = True
for row in curs.fetchall():
level = row['ret_code'] / 100
if level == 1:
self.log.debug("%d %s" % (row[0], row[1]))
elif level == 2:
self.log.info("%d %s" % (row[0], row[1]))
elif level == 3:
self.log.warning("%d %s" % (row[0], row[1]))
else:
self.log.error("%d %s" % (row[0], row[1]))
ok = False
return ok
def exec_many(self, curs, sql, baseargs, extra_list):
ok = True
for a in extra_list:
tmp = self.exec_checked(curs, sql, baseargs + [a])
ok = tmp and ok
return ok
def db_cmd(self, db, q, args, commit = True):
ok = self.exec_checked(db.cursor(), q, args)
if ok:
if commit:
self.log.info("COMMIT")
db.commit()
else:
self.log.info("ROLLBACK")
db.rollback()
raise EXception("rollback")
def db_cmd_many(self, db, sql, baseargs, extra_list, commit = True):
curs = db.cursor()
ok = self.exec_many(curs, sql, baseargs, extra_list)
if ok:
if commit:
self.log.info("COMMIT")
db.commit()
else:
self.log.info("ROLLBACK")
db.rollback()
def exec_sql(self, db, q, args):
self.log.debug(q)
curs = db.cursor()
curs.execute(q, args)
db.commit()
def exec_query(self, db, q, args):
self.log.debug(q)
curs = db.cursor()
curs.execute(q, args)
res = curs.dictfetchall()
db.commit()
return res
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