def MultiReadClientSnapshot(self, client_ids, cursor=None):
"""Reads the latest client snapshots for a list of clients."""
int_ids = [mysql_utils.ClientIDToInt(cid) for cid in client_ids]
query = (
"SELECT h.client_id, h.client_snapshot, h.timestamp, s.startup_info "
"FROM clients as c, client_snapshot_history as h, "
"client_startup_history as s "
"WHERE h.client_id = c.client_id "
"AND s.client_id = c.client_id "
"AND h.timestamp = c.last_client_timestamp "
"AND s.timestamp = c.last_startup_timestamp "
"AND c.client_id IN ({})").format(", ".join(["%s"] *
len(client_ids)))
ret = {cid: None for cid in client_ids}
cursor.execute(query, int_ids)
while True:
row = cursor.fetchone()
if not row:
break
cid, snapshot, timestamp, startup_info = row
client_obj = mysql_utils.StringToRDFProto(objects.ClientSnapshot,
snapshot)
client_obj.startup_info = mysql_utils.StringToRDFProto(
rdf_client.StartupInfo, startup_info)
client_obj.timestamp = mysql_utils.MysqlToRDFDatetime(timestamp)
ret[mysql_utils.IntToClientID(cid)] = client_obj
return ret
def _ResponseToApprovalsWithGrants(response):
"""Converts a generator with approval rows into ApprovalRequest objects."""
prev_triplet = None
cur_approval_request = None
for (approval_id_int, approval_timestamp, approval_request_bytes,
grantor_username, grant_timestamp) in response:
cur_triplet = (approval_id_int, approval_timestamp, approval_request_bytes)
if cur_triplet != prev_triplet:
prev_triplet = cur_triplet
if cur_approval_request:
yield cur_approval_request
cur_approval_request = mysql_utils.StringToRDFProto(
rdf_objects.ApprovalRequest, approval_request_bytes)
cur_approval_request.approval_id = _IntToApprovalID(approval_id_int)
if grantor_username and grant_timestamp:
cur_approval_request.grants.append(
rdf_objects.ApprovalGrant(
grantor_username=grantor_username,
timestamp=mysql_utils.MysqlToRDFDatetime(grant_timestamp)))
if cur_approval_request:
yield cur_approval_request
def MultiReadClientMetadata(self, client_ids, cursor=None):
"""Reads ClientMetadata records for a list of clients."""
ids = [
mysql_utils.ClientIDToInt(client_id) for client_id in client_ids
]
query = (
"SELECT client_id, fleetspeak_enabled, certificate, last_ping, "
"last_clock, last_ip, last_foreman, first_seen, "
"last_crash_timestamp, last_startup_timestamp FROM "
"clients WHERE client_id IN ({})").format(", ".join(["%s"] *
len(ids)))
ret = {}
cursor.execute(query, ids)
while True:
row = cursor.fetchone()
if not row:
break
cid, fs, crt, ping, clk, ip, foreman, first, lct, lst = row
ret[mysql_utils.IntToClientID(cid)] = objects.ClientMetadata(
certificate=crt,
fleetspeak_enabled=fs,
first_seen=mysql_utils.MysqlToRDFDatetime(first),
ping=mysql_utils.MysqlToRDFDatetime(ping),
clock=mysql_utils.MysqlToRDFDatetime(clk),
ip=mysql_utils.StringToRDFProto(rdf_client.NetworkAddress, ip),
last_foreman_time=mysql_utils.MysqlToRDFDatetime(foreman),
startup_info_timestamp=mysql_utils.MysqlToRDFDatetime(lst),
last_crash_timestamp=mysql_utils.MysqlToRDFDatetime(lct))
return ret
def _ResponseToClientsFullInfo(self, response):
"""Creates a ClientFullInfo object from a database response."""
c_full_info = None
prev_cid = None
for row in response:
(cid, fs, crt, ping, clk, ip, foreman, first, last_client_ts,
last_crash_ts, last_startup_ts, client_obj, client_startup_obj,
last_startup_obj, label_owner, label_name) = row
if cid != prev_cid:
if c_full_info:
yield mysql_utils.IntToClientID(prev_cid), c_full_info
metadata = objects.ClientMetadata(
certificate=crt,
fleetspeak_enabled=fs,
first_seen=mysql_utils.MysqlToRDFDatetime(first),
ping=mysql_utils.MysqlToRDFDatetime(ping),
clock=mysql_utils.MysqlToRDFDatetime(clk),
ip=mysql_utils.StringToRDFProto(rdf_client.NetworkAddress,
ip),
last_foreman_time=mysql_utils.MysqlToRDFDatetime(foreman),
startup_info_timestamp=mysql_utils.MysqlToRDFDatetime(
last_startup_ts),
last_crash_timestamp=mysql_utils.MysqlToRDFDatetime(
last_crash_ts))
if client_obj is not None:
l_snapshot = objects.ClientSnapshot.FromSerializedString(
client_obj)
l_snapshot.timestamp = mysql_utils.MysqlToRDFDatetime(
last_client_ts)
l_snapshot.startup_info = rdf_client.StartupInfo.FromSerializedString(
client_startup_obj)
l_snapshot.startup_info.timestamp = l_snapshot.timestamp
else:
l_snapshot = objects.ClientSnapshot(
client_id=mysql_utils.IntToClientID(cid))
if last_startup_obj is not None:
startup_info = rdf_client.StartupInfo.FromSerializedString(
last_startup_obj)
startup_info.timestamp = mysql_utils.MysqlToRDFDatetime(
last_startup_ts)
else:
startup_info = None
prev_cid = cid
c_full_info = objects.ClientFullInfo(
metadata=metadata,
labels=[],
last_snapshot=l_snapshot,
last_startup_info=startup_info)
if label_owner and label_name:
c_full_info.labels.append(
objects.ClientLabel(name=label_name, owner=label_owner))
if c_full_info:
yield mysql_utils.IntToClientID(prev_cid), c_full_info
def ReadApprovalRequest(self,
requestor_username,
approval_id,
cursor=None):
"""Reads an approval request object with a given id."""
query = (
"SELECT approval_request.approval_id, approval_request.timestamp, "
"approval_request.approval_request, "
"approval_grant.grantor_username, approval_grant.timestamp "
"FROM approval_request "
"LEFT JOIN approval_grant USING (username, approval_id) "
"WHERE approval_request.approval_id=%s "
"AND approval_request.username=%s")
cursor.execute(query,
[_ApprovalIDToInt(approval_id), requestor_username])
res = cursor.fetchall()
if not res:
raise db.UnknownApprovalRequestError("Approval '%s' not found." %
approval_id)
approval_id_int, timestamp, approval_request_bytes, _, _ = res[0]
approval_request = mysql_utils.StringToRDFProto(
objects.ApprovalRequest, approval_request_bytes)
approval_request.approval_id = _IntToApprovalID(approval_id_int)
approval_request.timestamp = mysql_utils.MysqlToRDFDatetime(timestamp)
for _, _, _, grantor_username, timestamp in res:
if not grantor_username:
continue
# Note: serialized approval_request objects are guaranteed to not
# have any grants.
approval_request.grants.append(
objects.ApprovalGrant(
grantor_username=grantor_username,
timestamp=mysql_utils.MysqlToRDFDatetime(timestamp)))
return approval_request