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Home assistant blueprint for detecting sensors of type "problem" with an error state, such as firealarm sensors, overheat sensors on sockets etc
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| blueprint: | |
| name: System wide problem detector for Iot sensors of device class "problem" | |
| description: Regularly test all sensors with device-class 'problem' to detect if anyone indicates an error. | |
| domain: automation | |
| input: | |
| repetition: | |
| name: How often to run | |
| description: Test is run at this intervall, in minutes. You MUST use the slash notation; 0-59 minutes. | |
| default: '/45' | |
| selector: | |
| text: | |
| multiline: false | |
| exclude: | |
| name: Excluded Sensors | |
| description: > | |
| There are some weird sensors out there, we might want to ignore. | |
| Only entities are supported, devices must be expanded | |
| default: {entity_id: []} | |
| selector: | |
| target: | |
| entity: | |
| device_class: problem | |
| debug_mode: | |
| name: Debug Mode | |
| description: Make blueprint list entities that are "off", instead of "on". | |
| default: false | |
| selector: | |
| boolean: | |
| entity_only: | |
| name: Entities only | |
| description: > | |
| The 'sensors' list will only contain entity_id's instead of a combined string of name and id. | |
| default: false | |
| selector: | |
| boolean: | |
| actions: | |
| name: Actions | |
| description: 'Notifications or similar to be run. {{sensors}} is replaced with the names[] of devices indicating a problem.' | |
| selector: | |
| action: {} | |
| variables: | |
| exclude: !input 'exclude' | |
| debug: !input 'debug_mode' | |
| entity_id_only: !input 'entity_only' | |
| sensors: >- | |
| {%- set result_on = namespace(sensors=[]) -%} | |
| {%- set result_off = namespace(sensors=[]) -%} | |
| {%- for state in states.binary_sensor | selectattr('attributes.device_class', '==', 'problem') %} | |
| {%- if state.state == true and not state.entity_id in exclude.entity_id -%} | |
| {%- if not entity_id_only -%} | |
| {% set result_on.sensors = result_on.sensors + [state.name ~ ' (id: ' ~ state.entity_id ~ ' )'] %} | |
| {%- else -%} | |
| {% set result_on.sensors = result_on.sensors + [state.entity_id] %} | |
| {%- endif -%} | |
| {%- elif not state.entity_id in exclude.entity_id -%} | |
| {%- if not entity_id_only -%} | |
| {% set result_off.sensors = result_off.sensors + [state.name ~ ' (id: ' ~ state.entity_id ~ ' )'] %} | |
| {%- else -%} | |
| {% set result_off.sensors = result_off.sensors + [state.entity_id] %} | |
| {%- endif -%} | |
| {%- endif -%} | |
| {%- endfor -%} | |
| {%- if not debug -%} | |
| {{result_on.sensors}} | |
| {%- else -%} | |
| {{result_off.sensors}} | |
| {%- endif -%} | |
| trigger: | |
| - platform: time_pattern | |
| minutes: !input 'repetition' | |
| condition: | |
| - '{{ sensors|length != 0 }}' | |
| action: | |
| - choose: [] | |
| default: !input 'actions' | |
| mode: single |
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Based on the very useful https://gist.github.com/sbyx/1f6f434f0903b872b84c4302637d0890