17 def require_servo(host, ignore_state=False):  argument
20     @param host             Host object that require servo.
26     servo_initialized = host.servo is not None
27     servo_working = (host.get_servo_state() ==
32                 '%s has no working servo.' % host.hostname, 'no_working_servo')
38     Verifier to test a host's accessibility via `ssh`.
40     This verifier checks whether a given host is reachable over `ssh`.
43       * The host can't be found with a DNS lookup.
44       * The host doesn't answer to ping.
45       * The host answers to ping, but not to ssh.
49     def verify(self, host):  argument
50         if host.is_up():
54             socket.gethostbyname(host.hostname)
59             if utils.ping(host.hostname, tries=1, deadline=1) != 0:
61         raise hosts.AutoservVerifyError(msg % host.hostname)
65         return 'host is available via ssh'
70     Verifier to test a host's accessibility via `ping`.
72     This verifier checks whether a given host is reachable over `ping`.
76       * The host can't be found with a DNS lookup.
77       * The host doesn't booted with network drivers.
81     def verify(self, host):  argument
82         if host.is_up_fast(count=10):
87             ip_address = socket.gethostbyname(host.hostname)
90             msg = 'Unable to look up %s in DNS: %s' % (host.hostname, str(e))
93             msg = 'Hostname: %s not present in DNS' % host.hostname
95             msg = 'Hostname: %s not pingable' % host.hostname
100         return 'host is available via ping'
105     Ask a Host instance to perform its own verification.
113     def verify(self, host):  argument
114         host.verify_software()
115         host.verify_hardware()
119         return 'Legacy host verification checks'
126     def repair(self, host):  argument
127         host.reboot()
131         return 'Reboot the host'
147     def repair(self, host):  argument
148         if not host.has_power():
150                     '%s has no RPM connection.' % host.hostname,
152         host.power_cycle()
157         return 'Power cycle the host with RPM'