blob: 72c897fbc6c4e1445f0b2d3413d6588eaaf05de8 [file] [log] [blame]
import re, os, sys, types, time, random
import common
from autotest_lib.client.common_lib import global_config
from autotest_lib.tko import utils
class MySQLTooManyRows(Exception):
class db_sql(object):
def __init__(self, debug=False, autocommit=True, host=None,
database=None, user=None, password=None):
self.debug = debug
self.autocommit = autocommit
self._load_config(host, database, user, password)
self.con = None
# if not present, insert statuses
self.status_idx = {}
self.status_word = {}
status_rows ='status_idx, word', 'tko_status', None)
for s in status_rows:
self.status_idx[s[1]] = s[0]
self.status_word[s[0]] = s[1]
machine_map = os.path.join(os.path.dirname(__file__),
if os.path.exists(machine_map):
self.machine_map = machine_map
self.machine_map = None
self.machine_group = {}
def _load_config(self, host, database, user, password):
# grab the global config
get_value = global_config.global_config.get_config_value
# grab the host, database
if host: = host
else: = get_value("AUTOTEST_WEB", "host")
if database:
self.database = database
self.database = get_value("AUTOTEST_WEB", "database")
# grab the user and password
if user:
self.user = user
self.user = get_value("AUTOTEST_WEB", "user")
if password is not None:
self.password = password
self.password = get_value("AUTOTEST_WEB", "password")
# grab the timeout configuration
self.query_timeout = get_value("AUTOTEST_WEB", "query_timeout",
type=int, default=3600)
self.min_delay = get_value("AUTOTEST_WEB", "min_retry_delay", type=int,
self.max_delay = get_value("AUTOTEST_WEB", "max_retry_delay", type=int,
def _init_db(self):
# make sure we clean up any existing connection
if self.con:
self.con = None
# create the db connection and cursor
self.con = self.connect(, self.database,
self.user, self.password)
self.cur = self.con.cursor()
def _random_delay(self):
delay = random.randint(self.min_delay, self.max_delay)
def run_with_retry(self, function, *args, **dargs):
"""Call function(*args, **dargs) until either it passes
without an operational error, or a timeout is reached.
This will re-connect to the database, so it is NOT safe
to use this inside of a database transaction.
It can be safely used with transactions, but the
transaction start & end must be completely contained
within the call to 'function'."""
OperationalError = _get_error_class("OperationalError")
success = False
start_time = time.time()
while not success:
result = function(*args, **dargs)
except OperationalError, e:
stop_time = time.time()
elapsed_time = stop_time - start_time
if elapsed_time > self.query_timeout:
except OperationalError, e:
success = True
return result
def _log_operational_error(self, e):
msg = ("%s: An operational error occured during a database "
"operation: %s" % (time.strftime("%X %x"), str(e)))
print >> sys.stderr, msg
sys.stderr.flush() # we want these msgs to show up immediately
def dprint(self, value):
if self.debug:
sys.stdout.write('SQL: ' + str(value) + '\n')
def commit(self):
def get_last_autonumber_value(self):
self.cur.execute('SELECT LAST_INSERT_ID()', [])
return self.cur.fetchall()[0][0]
def _quote(self, field):
return '`%s`' % field
def _where_clause(self, where):
if not where:
return '', []
if isinstance(where, dict):
# key/value pairs (which should be equal, or None for null)
keys, values = [], []
for field, value in where.iteritems():
quoted_field = self._quote(field)
if value is None:
keys.append(quoted_field + ' is null')
keys.append(quoted_field + '=%s')
where_clause = ' and '.join(keys)
elif isinstance(where, basestring):
# the exact string
where_clause = where
values = []
elif isinstance(where, tuple):
# preformatted where clause + values
where_clause, values = where
assert where_clause
raise ValueError('Invalid "where" value: %r' % where)
return ' WHERE ' + where_clause, values
def select(self, fields, table, where, distinct=False, group_by=None,
This selects all the fields requested from a
specific table with a particular where clause.
The where clause can either be a dictionary of
field=value pairs, a string, or a tuple of (string,
a list of values). The last option is what you
should use when accepting user input as it'll
protect you against sql injection attacks (if
all user data is placed in the array rather than
the raw SQL).
For example:
where = ("a = %s AND b = %s", ['val', 'val'])
is better than
where = "a = 'val' AND b = 'val'"
cmd = ['select']
if distinct:
cmd += [fields, 'from', table]
where_clause, values = self._where_clause(where)
if group_by:
cmd.append(' GROUP BY ' + group_by)
self.dprint('%s %s' % (' '.join(cmd), values))
# create a re-runable function for executing the query
def exec_sql():
sql = ' '.join(cmd)
numRec = self.cur.execute(sql, values)
if max_rows is not None and numRec > max_rows:
msg = 'Exceeded allowed number of records'
raise MySQLTooManyRows(msg)
return self.cur.fetchall()
# run the query, re-trying after operational errors
if self.autocommit:
return self.run_with_retry(exec_sql)
return exec_sql()
def select_sql(self, fields, table, sql, values):
select fields from table "sql"
cmd = 'select %s from %s %s' % (fields, table, sql)
# create a -re-runable function for executing the query
def exec_sql():
self.cur.execute(cmd, values)
return self.cur.fetchall()
# run the query, re-trying after operational errors
if self.autocommit:
return self.run_with_retry(exec_sql)
return exec_sql()
def _exec_sql_with_commit(self, sql, values, commit):
if self.autocommit:
# re-run the query until it succeeds
def exec_sql():
self.cur.execute(sql, values)
# take one shot at running the query
self.cur.execute(sql, values)
if commit:
def insert(self, table, data, commit=None):
'insert into table (keys) values (%s ... %s)', values
dictionary of fields and data
fields = data.keys()
refs = ['%s' for field in fields]
values = [data[field] for field in fields]
cmd = ('insert into %s (%s) values (%s)' %
(table, ','.join(self._quote(field) for field in fields),
self.dprint('%s %s' % (cmd, values))
self._exec_sql_with_commit(cmd, values, commit)
def delete(self, table, where, commit = None):
cmd = ['delete from', table]
if commit is None:
commit = self.autocommit
where_clause, values = self._where_clause(where)
sql = ' '.join(cmd)
self.dprint('%s %s' % (sql, values))
self._exec_sql_with_commit(sql, values, commit)
def update(self, table, data, where, commit = None):
'update table set data values (%s ... %s) where ...'
dictionary of fields and data
if commit is None:
commit = self.autocommit
cmd = 'update %s ' % table
fields = data.keys()
data_refs = [self._quote(field) + '=%s' for field in fields]
data_values = [data[field] for field in fields]
cmd += ' set ' + ', '.join(data_refs)
where_clause, where_values = self._where_clause(where)
cmd += where_clause
values = data_values + where_values
self.dprint('%s %s' % (cmd, values))
self._exec_sql_with_commit(cmd, values, commit)
def delete_job(self, tag, commit = None):
job_idx = self.find_job(tag)
for test_idx in self.find_tests(job_idx):
where = {'test_idx' : test_idx}
self.delete('tko_iteration_result', where)
self.delete('tko_iteration_attributes', where)
self.delete('tko_test_attributes', where)
self.delete('tko_test_labels_tests', {'test_id': test_idx})
where = {'job_idx' : job_idx}
self.delete('tko_tests', where)
self.delete('tko_jobs', where)
def insert_job(self, tag, job, commit = None):
job.machine_idx = self.lookup_machine(job.machine)
if not job.machine_idx:
job.machine_idx = self.insert_machine(job, commit=commit)
self.update_machine_information(job, commit=commit)
afe_job_id = utils.get_afe_job_id(tag)
data = {'tag':tag,
'label': job.label,
'username': job.user,
'machine_idx': job.machine_idx,
'queued_time': job.queued_time,
'started_time': job.started_time,
'finished_time': job.finished_time,
'afe_job_id': afe_job_id}
is_update = hasattr(job, 'index')
if is_update:
self.update('tko_jobs', data, {'job_idx': job.index}, commit=commit)
self.insert('tko_jobs', data, commit=commit)
job.index = self.get_last_autonumber_value()
self.update_job_keyvals(job, commit=commit)
for test in job.tests:
self.insert_test(job, test, commit=commit)
def update_job_keyvals(self, job, commit=None):
for key, value in job.keyval_dict.iteritems():
where = {'job_id': job.index, 'key': key}
data = dict(where, value=value)
exists ='id', 'tko_job_keyvals', where=where)
if exists:
self.update('tko_job_keyvals', data, where=where, commit=commit)
self.insert('tko_job_keyvals', data, commit=commit)
def insert_test(self, job, test, commit = None):
kver = self.insert_kernel(test.kernel, commit=commit)
data = {'job_idx':job.index, 'test':test.testname,
'subdir':test.subdir, 'kernel_idx':kver,
'reason':test.reason, 'machine_idx':job.machine_idx,
'started_time': test.started_time,
is_update = hasattr(test, "test_idx")
if is_update:
test_idx = test.test_idx
self.update('tko_tests', data,
{'test_idx': test_idx}, commit=commit)
where = {'test_idx': test_idx}
self.delete('tko_iteration_result', where)
self.delete('tko_iteration_attributes', where)
where['user_created'] = 0
self.delete('tko_test_attributes', where)
self.insert('tko_tests', data, commit=commit)
test_idx = test.test_idx = self.get_last_autonumber_value()
data = {'test_idx': test_idx}
for i in test.iterations:
data['iteration'] = i.index
for key, value in i.attr_keyval.iteritems():
data['attribute'] = key
data['value'] = value
self.insert('tko_iteration_attributes', data,
for key, value in i.perf_keyval.iteritems():
data['attribute'] = key
data['value'] = value
self.insert('tko_iteration_result', data,
for key, value in test.attributes.iteritems():
data = {'test_idx': test_idx, 'attribute': key,
'value': value}
self.insert('tko_test_attributes', data, commit=commit)
if not is_update:
for label_index in test.labels:
data = {'test_id': test_idx, 'testlabel_id': label_index}
self.insert('tko_test_labels_tests', data, commit=commit)
def read_machine_map(self):
if self.machine_group or not self.machine_map:
for line in open(self.machine_map, 'r').readlines():
(machine, group) = line.split()
self.machine_group[machine] = group
def machine_info_dict(self, job):
hostname = job.machine
group = job.machine_group
owner = job.machine_owner
if not group:
group = self.machine_group.get(hostname, hostname)
if group == hostname and owner:
group = owner + '/' + hostname
return {'hostname': hostname, 'machine_group': group, 'owner': owner}
def insert_machine(self, job, commit = None):
machine_info = self.machine_info_dict(job)
self.insert('tko_machines', machine_info, commit=commit)
return self.get_last_autonumber_value()
def update_machine_information(self, job, commit = None):
machine_info = self.machine_info_dict(job)
self.update('tko_machines', machine_info,
where={'hostname': machine_info['hostname']},
def lookup_machine(self, hostname):
where = { 'hostname' : hostname }
rows ='machine_idx', 'tko_machines', where)
if rows:
return rows[0][0]
return None
def lookup_kernel(self, kernel):
rows ='kernel_idx', 'tko_kernels',
if rows:
return rows[0][0]
return None
def insert_kernel(self, kernel, commit = None):
kver = self.lookup_kernel(kernel)
if kver:
return kver
# If this kernel has any significant patches, append their hash
# as diferentiator.
printable = kernel.base
patch_count = 0
for patch in kernel.patches:
match = re.match(r'.*(-mm[0-9]+|-git[0-9]+)\.(bz2|gz)$',
if not match:
patch_count += 1
kver = self.get_last_autonumber_value()
if patch_count > 0:
printable += ' p%d' % (kver)
for patch in kernel.patches:
self.insert_patch(kver, patch, commit=commit)
return kver
def insert_patch(self, kver, patch, commit = None):
print patch.reference
name = os.path.basename(patch.reference)[:80]
{'kernel_idx': kver,
def find_test(self, job_idx, testname, subdir):
where = {'job_idx': job_idx , 'test': testname, 'subdir': subdir}
rows ='test_idx', 'tko_tests', where)
if rows:
return rows[0][0]
return None
def find_tests(self, job_idx):
where = { 'job_idx':job_idx }
rows ='test_idx', 'tko_tests', where)
if rows:
return [row[0] for row in rows]
return []
def find_job(self, tag):
rows ='job_idx', 'tko_jobs', {'tag': tag})
if rows:
return rows[0][0]
return None
def _get_db_type():
"""Get the database type name to use from the global config."""
get_value = global_config.global_config.get_config_value
return "db_" + get_value("AUTOTEST_WEB", "db_type", default="mysql")
def _get_error_class(class_name):
"""Retrieves the appropriate error class by name from the database
db_module = __import__("autotest_lib.tko." + _get_db_type(),
globals(), locals(), ["driver"])
return getattr(db_module.driver, class_name)
def db(*args, **dargs):
"""Creates an instance of the database class with the arguments
provided in args and dargs, using the database type specified by
the global configuration (defaulting to mysql)."""
db_type = _get_db_type()
db_module = __import__("autotest_lib.tko." + db_type, globals(),
locals(), [db_type])
db = getattr(db_module, db_type)(*args, **dargs)
return db