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Handle sensors without "last_seen"
blueprint:
name: Offline detection for Z2M devices with last_seen
description: Regularly test all sensors with 'lqi' unit of measurement (linkquality Z2M sensors) to detect
offline and if so execute an action.
domain: automation
input:
hours:
name: Hours not seen
description: Sensors not seen this amount of time are assumed to be offline.
default: 24
selector:
number:
min: 1.0
max: 168.0
unit_of_measurement: 'h'
mode: slider
step: 1.0
time:
name: Time to test on
description: Test is run at configured time
default: '10:00:00'
selector:
time: {}
day:
name: Weekday to test on
description: 'Test is run at configured time either everyday (0) or on a given
weekday (1: Monday ... 7: Sunday)'
default: 0
selector:
number:
min: 0.0
max: 7.0
mode: slider
step: 1.0
exclude:
name: Excluded Sensors
description: Linkquality sensors (from devices that you want to exclude) to exclude from detection. Only
linkquality entities are supported, devices must be expanded!
default:
entity_id: []
selector:
target:
entity:
domain: sensor
actions:
name: Actions
description: Notifications or similar to be run. {{sensors}} is replaced with
the names of sensors being offline.
selector:
action: {}
source_url: https://gist.github.com/Mr-Groch/bf073b142b507e3b6f8154223f81803b
variables:
day: !input 'day'
hours: !input 'hours'
exclude: !input 'exclude'
sensors: "{% set result = namespace(sensors=[]) %}\
\ {% for state in states.sensor | selectattr('attributes.unit_of_measurement', '==', 'lqi') %}\
\ {% if state_attr(state.entity_id, 'last_seen') != None %}\
\ {% if (as_timestamp(now()) - as_timestamp(state_attr(state.entity_id, 'last_seen'))) > ((1 | int) * 60 * 60) %}\
\ {% set result.sensors = result.sensors + [state.name | regex_replace(find=' linkquality', replace='') ~ ' (' ~ relative_time(
\ strptime(state_attr(state.entity_id, 'last_seen'), '%Y-%m-%dT%H:%M:%S%z')) ~ ')'] %}\
\ {% endif %}\
\ {% else %}\
\ {% set result.sensors = result.sensors + [state.name ~ ' (Unknown)'] %}\
\ {% endif %}\
\ {% endfor %}\
\ {{ result.sensors | join(', ') }}"
trigger:
- platform: time
at: !input 'time'
condition:
- '{{ sensors != '''' and (day | int == 0 or day | int == now().isoweekday()) }}'
action:
- choose: []
default: !input 'actions'
mode: single
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