| #!/usr/bin/env python |
| |
| r""" |
| This module contains functions having to do with machine state: get_state, |
| check_state, wait_state, etc. |
| |
| The 'State' is a composite of many pieces of data. Therefore, the functions |
| in this module define state as an ordered dictionary. Here is an example of |
| some test output showing machine state: |
| |
| default_state: |
| default_state[power]: 1 |
| default_state[bmc]: HOST_BOOTED |
| default_state[boot_progress]: FW Progress, Starting OS |
| default_state[os_ping]: 1 |
| default_state[os_login]: 1 |
| default_state[os_run_cmd]: 1 |
| |
| Different users may very well have different needs when inquiring about |
| state. In the future, we can add code to allow a user to specify which |
| pieces of info they need in the state dictionary. Examples of such data |
| might include uptime, state timestamps, boot side, etc. |
| |
| By using the wait_state function, a caller can start a boot and then wait for |
| a precisely defined state to indicate that the boot has succeeded. If |
| the boot fails, they can see exactly why by looking at the current state as |
| compared with the expected state. |
| """ |
| |
| import gen_print as gp |
| import gen_robot_print as grp |
| import gen_valid as gv |
| import gen_robot_utils as gru |
| |
| import commands |
| from robot.libraries.BuiltIn import BuiltIn |
| from robot.utils import DotDict |
| |
| import re |
| import os |
| |
| # We need utils.robot to get keywords like "Get Power State". |
| gru.my_import_resource("utils.robot") |
| gru.my_import_resource("state_manager.robot") |
| |
| # The BMC code is about to be changed as far as what states are defined and |
| # what the state values can be. I am creating a means of processing both the |
| # old style state (i.e. OBMC_STATES_VERSION = 0) and the new style (i.e. |
| # OBMC_STATES_VERSION = 1). |
| # The caller can set environment variable OBMC_STATES_VERSION to dictate |
| # whether we're processing old or new style states. If OBMC_STATES_VERSION is |
| # not set it will default to 0. |
| |
| OBMC_STATES_VERSION = int(os.environ.get('OBMC_STATES_VERSION', 0)) |
| |
| if OBMC_STATES_VERSION == 0: |
| default_state = DotDict([('power', '1'), |
| ('bmc', 'HOST_BOOTED'), |
| ('boot_progress', 'FW Progress, Starting OS'), |
| ('os_ping', '1'), |
| ('os_login', '1'), |
| ('os_run_cmd', '1')]) |
| else: |
| default_state = DotDict([('chassis', 'On'), |
| ('bmc', 'HOST_BOOTED'), |
| ('boot_progress', 'FW Progress, Starting OS'), |
| ('host', 'Ready'), |
| ('os_ping', '1'), |
| ('os_login', '1'), |
| ('os_run_cmd', '1')]) |
| |
| |
| ############################################################################### |
| def return_default_state(): |
| |
| r""" |
| Return default state dictionary. |
| """ |
| |
| return default_state |
| |
| ############################################################################### |
| |
| |
| ############################################################################### |
| def anchor_state(state): |
| |
| r""" |
| Add regular expression anchors ("^" and "$") to the beginning and end of |
| each item in the state dictionary passed in. Return the resulting |
| dictionary. |
| |
| Description of Arguments: |
| state A dictionary such as the one returned by the get_state() |
| function. |
| """ |
| |
| anchored_state = state |
| for key, match_state_value in anchored_state.items(): |
| anchored_state[key] = "^" + str(anchored_state[key]) + "$" |
| |
| return anchored_state |
| |
| ############################################################################### |
| |
| |
| ############################################################################### |
| def compare_states(state, |
| match_state): |
| |
| r""" |
| Compare 2 state dictionaries. Return True if the match and False if they |
| don't. Note that the match_state dictionary does not need to have an entry |
| corresponding to each entry in the state dictionary. But for each entry |
| that it does have, the corresponding state entry will be checked for a |
| match. |
| |
| Description of arguments: |
| state A state dictionary such as the one returned by the |
| get_state function. |
| match_state A dictionary whose key/value pairs are "state field"/ |
| "state value". The state value is interpreted as a |
| regular expression. Every value in this dictionary is |
| considered. If each and every one matches, the 2 |
| dictionaries are considered to be matching. |
| """ |
| |
| match = True |
| for key, match_state_value in match_state.items(): |
| try: |
| if not re.match(match_state_value, str(state[key])): |
| match = False |
| break |
| except KeyError: |
| match = False |
| break |
| |
| return match |
| |
| ############################################################################### |
| |
| |
| ############################################################################### |
| def get_os_state(os_host="", |
| os_username="", |
| os_password="", |
| quiet=None): |
| |
| r""" |
| Get component states for the operating system such as ping, login, |
| etc, put them into a dictionary and return them to the caller. |
| |
| Description of arguments: |
| os_host The DNS name or IP address of the operating system. |
| This defaults to global ${OS_HOST}. |
| os_username The username to be used to login to the OS. |
| This defaults to global ${OS_USERNAME}. |
| os_password The password to be used to login to the OS. |
| This defaults to global ${OS_PASSWORD}. |
| quiet Indicates whether status details (e.g. curl commands) should |
| be written to the console. |
| Defaults to either global value of ${QUIET} or to 1. |
| """ |
| |
| quiet = grp.set_quiet_default(quiet, 1) |
| |
| # Set parm defaults where necessary and validate all parms. |
| if os_host == "": |
| os_host = BuiltIn().get_variable_value("${OS_HOST}") |
| error_message = gv.svalid_value(os_host, var_name="os_host", |
| invalid_values=[None, ""]) |
| if error_message != "": |
| BuiltIn().fail(gp.sprint_error(error_message)) |
| |
| if os_username == "": |
| os_username = BuiltIn().get_variable_value("${OS_USERNAME}") |
| error_message = gv.svalid_value(os_username, var_name="os_username", |
| invalid_values=[None, ""]) |
| if error_message != "": |
| BuiltIn().fail(gp.sprint_error(error_message)) |
| |
| if os_password == "": |
| os_password = BuiltIn().get_variable_value("${OS_PASSWORD}") |
| error_message = gv.svalid_value(os_password, var_name="os_password", |
| invalid_values=[None, ""]) |
| if error_message != "": |
| BuiltIn().fail(gp.sprint_error(error_message)) |
| |
| # See if the OS pings. |
| cmd_buf = "ping -c 1 -w 2 " + os_host |
| if not quiet: |
| grp.rpissuing(cmd_buf) |
| rc, out_buf = commands.getstatusoutput(cmd_buf) |
| if rc == 0: |
| pings = 1 |
| else: |
| pings = 0 |
| |
| # Open SSH connection to OS. |
| cmd_buf = ["Open Connection", os_host] |
| if not quiet: |
| grp.rpissuing_keyword(cmd_buf) |
| ix = BuiltIn().run_keyword(*cmd_buf) |
| |
| # Login to OS. |
| cmd_buf = ["Login", os_username, os_password] |
| if not quiet: |
| grp.rpissuing_keyword(cmd_buf) |
| status, msg = BuiltIn().run_keyword_and_ignore_error(*cmd_buf) |
| |
| if status == "PASS": |
| login = 1 |
| else: |
| login = 0 |
| |
| if login: |
| # Try running a simple command (uptime) on the OS. |
| cmd_buf = ["Execute Command", "uptime", "return_stderr=True", |
| "return_rc=True"] |
| if not quiet: |
| grp.rpissuing_keyword(cmd_buf) |
| output, stderr_buf, rc = BuiltIn().run_keyword(*cmd_buf) |
| if rc == 0 and stderr_buf == "": |
| run_cmd = 1 |
| else: |
| run_cmd = 0 |
| else: |
| run_cmd = 0 |
| |
| # Create a dictionary containing the results of the prior commands. |
| cmd_buf = ["Create Dictionary", "ping=${" + str(pings) + "}", |
| "login=${" + str(login) + "}", |
| "run_cmd=${" + str(run_cmd) + "}"] |
| grp.rdpissuing_keyword(cmd_buf) |
| os_state = BuiltIn().run_keyword(*cmd_buf) |
| |
| return os_state |
| |
| ############################################################################### |
| |
| |
| ############################################################################### |
| def get_state(openbmc_host="", |
| openbmc_username="", |
| openbmc_password="", |
| os_host="", |
| os_username="", |
| os_password="", |
| quiet=None): |
| |
| r""" |
| Get component states such as power state, bmc state, etc, put them into a |
| dictionary and return them to the caller. |
| |
| Description of arguments: |
| openbmc_host The DNS name or IP address of the BMC. |
| This defaults to global ${OPENBMC_HOST}. |
| openbmc_username The username to be used to login to the BMC. |
| This defaults to global ${OPENBMC_USERNAME}. |
| openbmc_password The password to be used to login to the BMC. |
| This defaults to global ${OPENBMC_PASSWORD}. |
| os_host The DNS name or IP address of the operating system. |
| This defaults to global ${OS_HOST}. |
| os_username The username to be used to login to the OS. |
| This defaults to global ${OS_USERNAME}. |
| os_password The password to be used to login to the OS. |
| This defaults to global ${OS_PASSWORD}. |
| quiet Indicates whether status details (e.g. curl commands) |
| should be written to the console. |
| Defaults to either global value of ${QUIET} or to 1. |
| """ |
| |
| quiet = grp.set_quiet_default(quiet, 1) |
| |
| # Set parm defaults where necessary and validate all parms. |
| if openbmc_host == "": |
| openbmc_host = BuiltIn().get_variable_value("${OPENBMC_HOST}") |
| error_message = gv.svalid_value(openbmc_host, |
| var_name="openbmc_host", |
| invalid_values=[None, ""]) |
| if error_message != "": |
| BuiltIn().fail(gp.sprint_error(error_message)) |
| |
| if openbmc_username == "": |
| openbmc_username = BuiltIn().get_variable_value("${OPENBMC_USERNAME}") |
| error_message = gv.svalid_value(openbmc_username, |
| var_name="openbmc_username", |
| invalid_values=[None, ""]) |
| if error_message != "": |
| BuiltIn().fail(gp.sprint_error(error_message)) |
| |
| if openbmc_password == "": |
| openbmc_password = BuiltIn().get_variable_value("${OPENBMC_PASSWORD}") |
| error_message = gv.svalid_value(openbmc_password, |
| var_name="openbmc_password", |
| invalid_values=[None, ""]) |
| if error_message != "": |
| BuiltIn().fail(gp.sprint_error(error_message)) |
| |
| # Set parm defaults where necessary and validate all parms. NOTE: OS parms |
| # are optional. |
| if os_host == "": |
| os_host = BuiltIn().get_variable_value("${OS_HOST}") |
| if os_host is None: |
| os_host = "" |
| |
| if os_username is "": |
| os_username = BuiltIn().get_variable_value("${OS_USERNAME}") |
| if os_username is None: |
| os_username = "" |
| |
| if os_password is "": |
| os_password = BuiltIn().get_variable_value("${OS_PASSWORD}") |
| if os_password is None: |
| os_password = "" |
| |
| # Get the component states. |
| if OBMC_STATES_VERSION == 0: |
| cmd_buf = ["Get Power State", "quiet=${" + str(quiet) + "}"] |
| grp.rdpissuing_keyword(cmd_buf) |
| power = BuiltIn().run_keyword(*cmd_buf) |
| else: |
| cmd_buf = ["Get Chassis Power State", "quiet=${" + str(quiet) + "}"] |
| grp.rdpissuing_keyword(cmd_buf) |
| chassis = BuiltIn().run_keyword(*cmd_buf) |
| # Strip everything up to the final period. |
| chassis = re.sub(r'.*\.', "", chassis) |
| |
| if OBMC_STATES_VERSION == 0: |
| qualifier = "utils" |
| else: |
| qualifier = "state_manager" |
| |
| cmd_buf = [qualifier + ".Get BMC State", "quiet=${" + str(quiet) + "}"] |
| grp.rdpissuing_keyword(cmd_buf) |
| bmc = BuiltIn().run_keyword(*cmd_buf) |
| |
| cmd_buf = ["Get Boot Progress", "quiet=${" + str(quiet) + "}"] |
| grp.rdpissuing_keyword(cmd_buf) |
| boot_progress = BuiltIn().run_keyword(*cmd_buf) |
| |
| if OBMC_STATES_VERSION > 0: |
| cmd_buf = ["Get Host State", "quiet=${" + str(quiet) + "}"] |
| grp.rdpissuing_keyword(cmd_buf) |
| host = BuiltIn().run_keyword(*cmd_buf) |
| # Strip everything up to the final period. |
| host = re.sub(r'.*\.', "", host) |
| |
| # Create composite state dictionary. |
| if OBMC_STATES_VERSION == 0: |
| cmd_buf = ["Create Dictionary", "power=${" + str(power) + "}", |
| "bmc=" + bmc, "boot_progress=" + boot_progress] |
| else: |
| cmd_buf = ["Create Dictionary", "chassis=" + str(chassis), |
| "bmc=" + bmc, "boot_progress=" + boot_progress, |
| "host=" + host] |
| |
| grp.rdpissuing_keyword(cmd_buf) |
| state = BuiltIn().run_keyword(*cmd_buf) |
| |
| if os_host != "": |
| # Create an os_up_match dictionary to test whether we are booted enough |
| # to get operating system info. |
| if OBMC_STATES_VERSION == 0: |
| cmd_buf = ["Create Dictionary", "power=^${1}$", |
| "bmc=^HOST_BOOTED$", |
| "boot_progress=^FW Progress, Starting OS$"] |
| else: |
| cmd_buf = ["Create Dictionary", "chassis=^On$", |
| "bmc=^HOST_BOOTED$", |
| "boot_progress=^FW Progress, Starting OS$"] |
| grp.rdpissuing_keyword(cmd_buf) |
| os_up_match = BuiltIn().run_keyword(*cmd_buf) |
| os_up = compare_states(state, os_up_match) |
| |
| if os_up: |
| # Get OS information... |
| os_state = get_os_state(os_host=os_host, |
| os_username=os_username, |
| os_password=os_password, |
| quiet=quiet) |
| for key, state_value in os_state.items(): |
| # Add each OS value to the state dictionary, pre-pending |
| # "os_" to each key. |
| new_key = "os_" + key |
| state[new_key] = state_value |
| |
| return state |
| |
| ############################################################################### |
| |
| |
| ############################################################################### |
| def check_state(match_state, |
| invert=0, |
| print_string="", |
| openbmc_host="", |
| openbmc_username="", |
| openbmc_password="", |
| os_host="", |
| os_username="", |
| os_password="", |
| quiet=None): |
| |
| r""" |
| Check that the Open BMC machine's composite state matches the specified |
| state. On success, this keyword returns the machine's composite state as a |
| dictionary. |
| |
| Description of arguments: |
| match_state A dictionary whose key/value pairs are "state field"/ |
| "state value". The state value is interpreted as a |
| regular expression. Example call from robot: |
| ${match_state}= Create Dictionary chassis=^On$ |
| ... bmc=^Ready$ |
| ... boot_progress=^FW Progress, Starting OS$ |
| ${state}= Check State &{match_state} |
| invert If this flag is set, this function will succeed if the |
| states do NOT match. |
| print_string This function will print this string to the console prior |
| to getting the state. |
| openbmc_host The DNS name or IP address of the BMC. |
| This defaults to global ${OPENBMC_HOST}. |
| openbmc_username The username to be used to login to the BMC. |
| This defaults to global ${OPENBMC_USERNAME}. |
| openbmc_password The password to be used to login to the BMC. |
| This defaults to global ${OPENBMC_PASSWORD}. |
| os_host The DNS name or IP address of the operating system. |
| This defaults to global ${OS_HOST}. |
| os_username The username to be used to login to the OS. |
| This defaults to global ${OS_USERNAME}. |
| os_password The password to be used to login to the OS. |
| This defaults to global ${OS_PASSWORD}. |
| quiet Indicates whether status details should be written to the |
| console. Defaults to either global value of ${QUIET} or |
| to 1. |
| """ |
| |
| quiet = grp.set_quiet_default(quiet, 1) |
| |
| grp.rprint(print_string) |
| |
| # Initialize state. |
| state = get_state(openbmc_host=openbmc_host, |
| openbmc_username=openbmc_username, |
| openbmc_password=openbmc_password, |
| os_host=os_host, |
| os_username=os_username, |
| os_password=os_password, |
| quiet=quiet) |
| if not quiet: |
| grp.rprint_var(state) |
| |
| match = compare_states(state, match_state) |
| |
| if invert and match: |
| fail_msg = "The current state of the machine matches the match" +\ |
| " state:\n" + gp.sprint_varx("state", state) |
| BuiltIn().fail("\n" + gp.sprint_error(fail_msg)) |
| elif not invert and not match: |
| fail_msg = "The current state of the machine does NOT match the" +\ |
| " match state:\n" +\ |
| gp.sprint_varx("state", state) |
| BuiltIn().fail("\n" + gp.sprint_error(fail_msg)) |
| |
| return state |
| |
| ############################################################################### |
| |
| |
| ############################################################################### |
| def wait_state(match_state=(), |
| wait_time="1 min", |
| interval="1 second", |
| invert=0, |
| openbmc_host="", |
| openbmc_username="", |
| openbmc_password="", |
| os_host="", |
| os_username="", |
| os_password="", |
| quiet=None): |
| |
| r""" |
| Wait for the Open BMC machine's composite state to match the specified |
| state. On success, this keyword returns the machine's composite state as |
| a dictionary. |
| |
| Description of arguments: |
| match_state A dictionary whose key/value pairs are "state field"/ |
| "state value". See check_state (above) for details. |
| wait_time The total amount of time to wait for the desired state. |
| This value may be expressed in Robot Framework's time |
| format (e.g. 1 minute, 2 min 3 s, 4.5). |
| interval The amount of time between state checks. |
| This value may be expressed in Robot Framework's time |
| format (e.g. 1 minute, 2 min 3 s, 4.5). |
| invert If this flag is set, this function will for the state of |
| the machine to cease to match the match state. |
| openbmc_host The DNS name or IP address of the BMC. |
| This defaults to global ${OPENBMC_HOST}. |
| openbmc_username The username to be used to login to the BMC. |
| This defaults to global ${OPENBMC_USERNAME}. |
| openbmc_password The password to be used to login to the BMC. |
| This defaults to global ${OPENBMC_PASSWORD}. |
| os_host The DNS name or IP address of the operating system. |
| This defaults to global ${OS_HOST}. |
| os_username The username to be used to login to the OS. |
| This defaults to global ${OS_USERNAME}. |
| os_password The password to be used to login to the OS. |
| This defaults to global ${OS_PASSWORD}. |
| quiet Indicates whether status details should be written to the |
| console. Defaults to either global value of ${QUIET} or |
| to 1. |
| """ |
| |
| quiet = grp.set_quiet_default(quiet, 1) |
| |
| if not quiet: |
| if invert: |
| alt_text = "cease to " |
| else: |
| alt_text = "" |
| grp.rprint_timen("Checking every " + str(interval) + " for up to " + |
| str(wait_time) + " for the state of the machine to " + |
| alt_text + "match the state shown below.") |
| grp.rprint_var(match_state) |
| |
| if quiet: |
| print_string = "" |
| else: |
| print_string = "#" |
| cmd_buf = ["Check State", match_state, "invert=${" + str(invert) + "}", |
| "print_string=" + print_string, "openbmc_host=" + openbmc_host, |
| "openbmc_username=" + openbmc_username, |
| "openbmc_password=" + openbmc_password, "os_host=" + os_host, |
| "os_username=" + os_username, "os_password=" + os_password, |
| "quiet=${1}"] |
| grp.rdpissuing_keyword(cmd_buf) |
| state = BuiltIn().wait_until_keyword_succeeds(wait_time, interval, |
| *cmd_buf) |
| |
| if not quiet: |
| grp.rprintn() |
| if invert: |
| grp.rprint_timen("The states no longer match:") |
| else: |
| grp.rprint_timen("The states match:") |
| grp.rprint_var(state) |
| |
| return state |
| |
| ############################################################################### |