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130 lines
3.1 KiB
Python
130 lines
3.1 KiB
Python
"""
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Possible alert severity codes.
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See ITU-T perceived severity model M.3100 and CCITT Rec X.736
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http://tools.ietf.org/html/rfc5674
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http://www.itu.int/rec/T-REC-M.3100
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http://www.itu.int/rec/T-REC-X.736-199201-I
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ITU Perceived Severity syslog SEVERITY (Name)
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Critical 1 (Alert)
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Major 2 (Critical)
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Minor 3 (Error)
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Warning 4 (Warning)
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Indeterminate 5 (Notice)
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Cleared 5 (Notice)
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"""
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from alerta.common import status_code
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CRITICAL_SEV_CODE = 1
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MAJOR_SEV_CODE = 2
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MINOR_SEV_CODE = 3
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WARNING_SEV_CODE = 4
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INDETER_SEV_CODE = 5
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CLEARED_SEV_CODE = 5
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NORMAL_SEV_CODE = 5
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INFORM_SEV_CODE = 6
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DEBUG_SEV_CODE = 7
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AUTH_SEV_CODE = 8
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UNKNOWN_SEV_CODE = 9
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# NOTE: The display text in single quotes can be changed depending on preference.
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# eg. CRITICAL = 'critical' or CRITICAL = 'CRITICAL'
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CRITICAL = 'critical'
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MAJOR = 'major'
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MINOR = 'minor'
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WARNING = 'warning'
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INDETERMINATE = 'indeterminate'
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CLEARED = 'cleared'
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NORMAL = 'normal'
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INFORM = 'informational'
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DEBUG = 'debug'
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AUTH = 'security'
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UNKNOWN = 'unknown'
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NOT_VALID = 'notValid'
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ALL = [CRITICAL, MAJOR, MINOR, WARNING, INDETERMINATE, CLEARED, NORMAL, INFORM, DEBUG, AUTH, UNKNOWN, NOT_VALID]
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MORE_SEVERE = 'moreSevere'
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LESS_SEVERE = 'lessSevere'
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NO_CHANGE = 'noChange'
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_SEVERITY_MAP = {
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CRITICAL: CRITICAL_SEV_CODE,
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MAJOR: MAJOR_SEV_CODE,
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MINOR: MINOR_SEV_CODE,
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WARNING: WARNING_SEV_CODE,
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INDETERMINATE: INDETER_SEV_CODE,
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CLEARED: CLEARED_SEV_CODE,
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NORMAL: NORMAL_SEV_CODE,
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INFORM: INFORM_SEV_CODE,
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DEBUG: DEBUG_SEV_CODE,
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AUTH: AUTH_SEV_CODE,
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UNKNOWN: UNKNOWN_SEV_CODE,
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}
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_ABBREV_SEVERITY_MAP = {
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CRITICAL: 'Crit',
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MAJOR: 'Majr',
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MINOR: 'Minr',
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WARNING: 'Warn',
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INDETERMINATE: 'Ind ',
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CLEARED: 'Clrd',
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NORMAL: 'Norm',
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INFORM: 'Info',
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DEBUG: 'Dbug',
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AUTH: 'Sec ',
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UNKNOWN: 'Unkn',
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}
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_COLOR_MAP = {
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CRITICAL: '\033[91m',
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MAJOR: '\033[95m',
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MINOR: '\033[93m',
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WARNING: '\033[96m',
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INDETERMINATE: '\033[92m',
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CLEARED: '\033[92m',
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NORMAL: '\033[92m',
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INFORM: '\033[92m',
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DEBUG: '\033[90m',
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AUTH: '\033[90m',
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UNKNOWN: '\033[90m',
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}
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ENDC = '\033[0m'
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def is_valid(name):
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return name in _SEVERITY_MAP
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def name_to_code(name):
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return _SEVERITY_MAP.get(name.lower(), UNKNOWN_SEV_CODE)
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def parse_severity(name):
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if name:
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for severity in _SEVERITY_MAP:
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if name.lower() == severity.lower():
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return severity
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return NOT_VALID
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def trend(previous, current):
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if name_to_code(previous) > name_to_code(current):
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return MORE_SEVERE
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elif name_to_code(previous) < name_to_code(current):
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return LESS_SEVERE
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else:
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return NO_CHANGE
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def status_from_severity(previous_severity, current_severity, current_status=None):
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if current_severity in [NORMAL, CLEARED]:
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return status_code.CLOSED
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if trend(previous_severity, current_severity) == MORE_SEVERE:
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return status_code.OPEN
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return current_status
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