7 from autotest_lib.client.common_lib import error
8 from autotest_lib.client.cros import cros_ui
26 def TPMStatus(client):  argument
31     out = client.run('cryptohome --action=tpm_status').stdout.strip()
48 def IsTPMAvailable(client):  argument
53     status = TPMStatus(client)
57 def ClearTPMServer(client, out_dir):  argument
63     if IsTPMAvailable(client):
67     client.run('stop ui')
69         password = TPMStatus(client)['Password']
72                 client.get_file(_PASSWD_FILE, out_dir)
89         res = client.run('tpm_clear --pass ' + password).stdout.strip()
93         client.run('crossystem clear_tpm_owner_request=1')
95     CleanupAndReboot(client)
98 def ClearTPMOwnerRequest(client):  argument
103     if not client.run('crossystem clear_tpm_owner_request=1',
107     CleanupAndReboot(client)
110 def CleanupAndReboot(client):  argument
117     client.run('sudo rm -rf ' + _RM_DIRS, ignore_status=True)
118     client.run('sync', ignore_status=True)
119     client.reboot()