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#! /usr/bin/env python
"""Admin scripting.
"""
import sys, os
from skytools.scripting import DBScript
from skytools.quoting import quote_statement
__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, db, sql, args, keycol = None):
curs = db.cursor()
curs.execute(sql, args)
rows = curs.fetchall()
db.commit()
if not keycol:
res = rows
else:
res = [r[keycol] for r in rows]
return res
def display_table(self, db, desc, sql, args = [], fields = []):
"""Display multirow query as a table."""
self.log.debug("display_table: %s" % quote_statement(sql, args))
curs = db.cursor()
curs.execute(sql, args)
rows = curs.fetchall()
db.commit()
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 _exec_cmd(self, curs, sql, args):
self.log.debug("exec_cmd: %s" % quote_statement(sql, args))
curs.execute(sql, args)
ok = True
rows = curs.fetchall()
for row in rows:
try:
code = row['ret_code']
msg = row['ret_note']
except KeyError:
self.log.error("Query does not conform to exec_cmd API:")
self.log.error("SQL: %s" % quote_statement(sql, args))
self.log.error("Row: %s" % repr(row.copy()))
sys.exit(1)
level = code / 100
if level == 1:
self.log.debug("%d %s" % (code, msg))
elif level == 2:
self.log.info("%d %s" % (code, msg))
elif level == 3:
self.log.warning("%d %s" % (code, msg))
else:
self.log.error("%d %s" % (code, msg))
self.log.error("Query was: %s" % skytools.quote_statement(sql, args))
ok = False
return (ok, rows)
def _exec_cmd_many(self, curs, sql, baseargs, extra_list):
ok = True
rows = []
for a in extra_list:
(tmp_ok, tmp_rows) = self._exec_cmd(curs, sql, baseargs + [a])
ok = tmp_ok and ok
rows += tmp_rows
return (ok, rows)
def exec_cmd(self, db, q, args, commit = True):
(ok, rows) = self._exec_cmd(db.cursor(), q, args)
if ok:
if commit:
self.log.info("COMMIT")
db.commit()
return rows
else:
self.log.info("ROLLBACK")
db.rollback()
raise EXception("rollback")
def exec_cmd_many(self, db, sql, baseargs, extra_list, commit = True):
curs = db.cursor()
(ok, rows) = self._exec_cmd_many(curs, sql, baseargs, extra_list)
if ok:
if commit:
self.log.info("COMMIT")
db.commit()
return rows
else:
self.log.info("ROLLBACK")
db.rollback()
raise EXception("rollback")
def exec_stmt(self, db, sql, args):
self.log.debug("exec_stmt: %s" % quote_statement(sql, args))
curs = db.cursor()
curs.execute(sql, args)
db.commit()
def exec_query(self, db, sql, args):
self.log.debug("exec_query: %s" % quote_statement(sql, args))
curs = db.cursor()
curs.execute(sql, args)
res = curs.fetchall()
db.commit()
return res
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