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    (Last Updated: April 21, 2022)
    • Constraints under triggers or under constraints, what is the difference?

      A

      Need to ask, have thougth about this since the move from Rector to MSR I think.

      What is the difference between putting constraints under trigger groups, like this
      23b4a249-3292-41cd-9927-7f49c9bf1d07-image.png

      Compared to this similar rule, but the time limits is under contraints instead?
      ee596c9f-f52b-4a39-9605-f5932f3d9ed5-image.png

      I think the Constraints parts in manual is still to be done because I can only find in the chapter menu, but it is not mentioned anywhere else.

      Multi-System Reactor
    • Adding remotes, scene controllers as entities to MSR

      A

      EDIT: 2022.07.01

      So I will try to remake this thread to some kind of guide for future use, or in worst case a documentation of my failure. At least that could also be useful for letting someone know what didn't work...
      I have zero knowledge of programming, so every time I need to edit a config file in HomeAssistant or similar it requires a good portion of googletime and read, re-reading instructions.
      Also is english not my native language, so bear with me.

      Two goals!
      1: Get MSR to take notice (and then actions of course) of pressed buttons on remotes.
      2: Document what I do in hope I can help someone else in the future.

      I will use a Fibaro Keyfob as described below, but what I understand from Togglebits answers most type of remotes should work in similar ways.

      Original thread:
      Fibaro Keyfob support in MSR? (thru Hassio & Z-wave JS)
      Hi

      I just bought a Fibaro Keyfob FGKF-601 and plan to give this to my son so he can control some stuff in his own room. Primary some lightning and Sonos, maybe blinds in the future.

      As the noob I am it will, of course, not work as I expected.👶🏻

      The remote handle 1x, 2x, 3x clicks per button (six of them) and "release button"
      I thought that it would appear like some "scene controller" in HA and that I could make Rules in MSR depending on what scene-entety that was triggered.
      So is not the case, and if that is because of HA, Z-wave JS or MSR I have no idea.
      I found a HA Blueprint that works in HA, but of course I would prefer to keep all automation in MSR.
      I guess a workaround could be using HA virtual switches "Helpers" that I suppose will come up as an on/off trigger in MSR, but before going this way I would like to check with the wisdom of your guys if there is a better way of doing this.

      I am using:
      MSR 22168 on windows.
      Home Assistant Core 2022.6.7
      Home Assistant Supervisor 2022.05.3
      Home Assistant OS 7.6
      Z-Wave JS version: 0.1.64

      Multi-System Reactor
    • The Home Remote with MSR

      MikeReadington

      Did anyone do/start any work on a full integration with The Home Remote application yet?

      Multi-System Reactor
    • Condition must occur after -restriction not working

      tunnus

      Running MSR 22123 in Docker container and trying to use "condition must occur after" option. Will update to the latest build and log a PR if needed, but wanted to poll first if anyone is using this option successfully?

      I have the following rules:

      Screenshot 2022-06-28 at 15.18.50.png

      Notification activity connected to "Alarm disabled" rule did not trigger. I also did another test with quite simple rules and that didn't work either (FWIIW - when observing that test in "real-time", I didn't see any timer running on the second rule while the first rule was true).

      As said, before going further with debug/logs, nice to know if someone is using this option/restriction (successfully).

      Multi-System Reactor
    • Reactor (Multi-System/Multi-Hub) Announcements

      toggledbits

      Build 21228 has been released. Docker images available from DockerHub as usual, and bare-metal packages here.

      Home Assistant up to version 2021.8.6 supported; the online version of the manual will now state the current supported versions; Fix an error in OWMWeatherController that could cause it to stop updating; Unify the approach to entity filtering on all hub interface classes (controllers); this works for device entities only; it may be extended to other entities later; Improve error detail in messages for EzloController during auth phase; Add isRuleSet() and isRuleEnabled() functions to expressions extensions; Implement set action for lock and passage capabilities (makes them more easily scriptable in some cases); Fix a place in the UI where 24-hour time was not being displayed.
      Multi-System Reactor
    • [Solved] Changes in 22178 for HASS sensor no longer provide a value in topic "value", MQTTController echo capability

      Crille

      Before updating to 22178 there was a primary value echoed in MQTTControllers echo capability, can I tell the controller which value to put as primary from HASS sensors after this change as it now is null? or is it a bug?

      I have not changed the

      primary_attributes: true

      mqtt_value.PNG

      Reactor latest-22178 bare metal
      Hass 2022.6.7

      Edit: Solved in build 22179

      Multi-System Reactor
    • Using InfluxDB with MSR

      wmarcolin

      Hi!

      I have a system that I consider pretty stable, running in a VM Ubuntu 20.04, it has some communication failures, but I think more by HE than by the OS/MSR.

      I'm thinking of taking the next step to get more advantages from the system, and I'm thinking of using InfluxDB maybe for queries or to extend rules.

      The question is, I would like practical examples of what really helps to install InfluxDB? What would you be doing that really makes a difference with this installation? Can you post examples of features or information?

      Thanks

      Multi-System Reactor
    • git hub docker container not available?

      Black Cat

      @toggledbits - what now?

      Re: Cheapest platform on which to run MSR

      21aaf68e-c031-414d-847d-d8bec01d57e7-Clipboard01.jpg

      Multi-System Reactor
    • Synology NAS docker image replacement

      MikeReadington

      Hi Everyone,

      MSR had a docker image file naming convention change, and I am not exactly sure how to swap the image out. I'm sure it's not rocket science, I've just never done this before.

      I am using a Synology NAS, and under the environment tab there is a "REACTOR_IMAGE" variable. Can I just change the image name to the new image naming convention and clear the container, or should I launch a new container and populate the volume location from the previous reactor?

      Thanks in advance

      Multi-System Reactor
    • Cheapest platform on which to run MSR

      T

      Please can anyone give me advice on a cheap way to run MSR (both initial cost and ongoing electricity cost). I currently run it on my QNAP network drive (which works very well incidentally). However, this draws a constant 35Watts (£90/yr @ 30p/kWh) and given the recent rise in fuel costs I am evaluating the best way forwards. Note, I only really need to turn my QNAP on for an hour a week to back-up my computer data. I understand that MSR can run on a Raspberry PI, but I am not competent with Linux! Thanks.

      Multi-System Reactor
    • Copying configuraiton and rules from QNAP install to Raspberry PI 4 install

      T

      I have made good progress setting up a new Raspberry PI 4 with the latest OS (64bit) and latest Reactor images in Docker. However I am not able to copy my configuraiton files (.yml) and reactor reactions over. I am not yet that confident with linux commands, so I have tired to drag and drop the files from a USB drive to the working folders in my new Raspberry PI. I am getting a popup in the GUI stating 'The file operation was completed with errors.' and Errors occured: "rule-xxxxxx.json: Error opening file "/home/pi/reactor/....................................json":Permission denied.

      I suspect it's something to do with permissions?

      Is there an easier way to copy my configuration over??

      Multi-System Reactor
    • Alexa TTS via Home Assistant?

      T

      Hello All -

      I'm gradually moving away from Vera to Home Assistant. I've recently gotten the Alexa and Mini Media Player setup in Home Assistant and everything is working well.

      Is there a way to call this service from Reactor? My goal is to send TTS requests to HAAS upon certain events within Reactor (e.g. "Front Door Opened")

      Multi-System Reactor
    • Integrate UPS with MSR

      wmarcolin

      I have a Tripp-Lite UPS (https://www.tripplite.com/smartpro-lcd-120v-1500va-900w-line-interactive-ups-avr-tower-lcd-usb-10-outlets~smart1500lcdt) that connected by a USB cable to my computer, reports various power supply and failure information, as shown in the panel below.

      b9f0ea34-d654-4b26-b968-4f8cf0a4e0c1-image.png

      afa73913-5318-42c6-af9a-02d36e2e6ea1-image.png

      The application I installed runs Java and opens the console to send the information.

      Has anyone tried to bring the information into the MSR? Or even a VeraPlus?

      Thanks.

      Multi-System Reactor
    • Reactor as tab in Hass sidebar

      Matohl

      panel_iframe in configuration.yaml. If you access MSR with HTTP it works in HA with HTTP to Reactor and HTTPS to HTTPS obviously.

      configuration.yaml

      # ============ SIDEBAR ============ panel_iframe: reactor: title: "Reactor" url: "http://192.168.0.23:8111/reactor/sv-SE/"
      Multi-System Reactor
    • Documentation>Network Status

      S

      It appears that in the Manual, under Management>Network Status is for Reactor on Vera. Is the Internet check functionality available with MSR and if so is there updated instructions? I do see a variable reactor_system.internet.ok but the value is null.
      I am looking for a way to check for internet status with MSR before installing an extra app on a hub to get the information.

      Synology Docker latest-22149

      Multi-System Reactor
    • MSR Upgrade from 22119 to 22136 fails, service wont start

      W

      Windows Server 2022 Build 20348
      Nodejs v16.14.0
      Currently running Reactor (Multi-hub) stable-22119-ae7212f
      Linked to Hass 2022.0.5.4 (on a different box)
      Windows server is dedicated to MSR and doesn't do anything else.

      I'd like to upgrade to 22136 to take advantage of the SSL feature added recently, and also to bring my current version of Hass into the 'supported' column with MSR.

      Following the instructions here: link text, section "Upgrade Windows Bare Metal"

      Stop Reactor Service Extract the zip, overwriting the reactor folder in c:\reactor\reactor There is no package-lock.json file so I skip that. Run "npm install --no-save --omit dev"

      Next step is to start the service. I start the service and it immediately stops. "Windows could not start the Reactor service on Local Computer. Error 1067: The process terminated unexpectedly".

      Tried rebooting, service won't stay running.

      I suspect I'm missing something, it's probably obvious but I've not been able to figure it out.

      I rolled back the reactor folder version (Windows Shadow copies) and then the service starts fine.

      Anyone else running Windows and know what I'm missing?

      Tail of log file from running OK version, before upgrade attempt [stable-22119]2022-06-01T22:20:19.081Z <Rule:INFO> Lounge Billy Ambient Lighting - Turn On (Rule#rule-l0ki453b) evaluation complete [stable-22119]2022-06-01T22:20:19.082Z <httpapi:NOTICE> HTTP API v1 22021 base URL http://172.16.128.6:8111; listening [stable-22119]2022-06-01T22:20:19.228Z <app:NOTICE> HTTP server running; registering proxy endpoints. [stable-22119]2022-06-01T22:20:19.228Z <app:NOTICE> Starting WSAPI... [stable-22119]2022-06-01T22:20:19.229Z <wsapi:NOTICE> wsapi: starting version 21334 [stable-22119]2022-06-01T22:20:19.656Z <Engine:INFO> [Engine]Engine#1 master timer tick, local time "6/2/2022, 8:20:19 AM" (TZ offset 600 mins from UTC) [stable-22119]2022-06-01T22:27:54.788Z <wsapi:INFO> wsapi: connection from ::ffff:172.16.128.5 Tail of log file from failed to start after upgrade (is identical, ii.e. nothing has been appended to it) [stable-22119]2022-06-01T22:20:19.081Z <Rule:INFO> Lounge Billy Ambient Lighting - Turn On (Rule#rule-l0ki453b) evaluation complete [stable-22119]2022-06-01T22:20:19.082Z <httpapi:NOTICE> HTTP API v1 22021 base URL http://172.16.128.6:8111; listening [stable-22119]2022-06-01T22:20:19.228Z <app:NOTICE> HTTP server running; registering proxy endpoints. [stable-22119]2022-06-01T22:20:19.228Z <app:NOTICE> Starting WSAPI... [stable-22119]2022-06-01T22:20:19.229Z <wsapi:NOTICE> wsapi: starting version 21334 [stable-22119]2022-06-01T22:20:19.656Z <Engine:INFO> [Engine]Engine#1 master timer tick, local time "6/2/2022, 8:20:19 AM" (TZ offset 600 mins from UTC) [stable-22119]2022-06-01T22:27:54.788Z <wsapi:INFO> wsapi: connection from ::ffff:172.16.128.5 reactor.wrapper.log (log file the failed to start event points to) 2022-06-02 08:19:23 - Stopping reactor.exe 2022-06-02 08:19:23 - ProcessKill 3628 2022-06-02 08:19:25 - Shutdown exception Message:A system shutdown is in progress. Stacktrace: at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo) at System.Management.ManagementScope.InitializeGuts(Object o) at System.Management.ManagementScope.Initialize() at System.Management.ManagementObjectSearcher.Initialize() at System.Management.ManagementObjectSearcher.Get() at winsw.WrapperService.GetChildPids(Int32 pid) at winsw.WrapperService.StopProcessAndChildren(Int32 pid) at winsw.WrapperService.StopIt() at winsw.WrapperService.OnShutdown() 2022-06-02 08:20:11 - Starting C:\Program Files\nodejs\node.exe C:\reactor\reactor\node_modules\node-windows\lib\wrapper.js --file C:\reactor\reactor\app.js --scriptoptions= --log "Reactor wrapper" --grow 0.25 --wait 1 --maxrestarts 3 --abortonerror n --stopparentfirst undefined 2022-06-02 08:20:11 - Started 3272 2022-06-02 08:30:54 - Stopping reactor.exe 2022-06-02 08:30:54 - ProcessKill 3272 2022-06-02 08:30:54 - Found child process: 3280 Name: conhost.exe 2022-06-02 08:30:54 - Found child process: 3504 Name: node.exe 2022-06-02 08:30:54 - Stopping process 3280 2022-06-02 08:30:54 - Send SIGINT 3280 2022-06-02 08:30:54 - SIGINT to 3280 failed - Killing as fallback 2022-06-02 08:30:54 - Stopping process 3504 2022-06-02 08:30:54 - Send SIGINT 3504 2022-06-02 08:30:54 - SIGINT to 3504 failed - Killing as fallback 2022-06-02 08:30:54 - Stopping process 3272 2022-06-02 08:30:54 - Send SIGINT 3272 2022-06-02 08:30:54 - SIGINT to 3272 failed - Killing as fallback 2022-06-02 08:30:54 - Finished reactor.exe 2022-06-02 08:33:41 - Starting C:\Program Files\nodejs\node.exe C:\reactor\reactor\node_modules\node-windows\lib\wrapper.js --file C:\reactor\reactor\app.js --scriptoptions= --log "Reactor wrapper" --grow 0.25 --wait 1 --maxrestarts 3 --abortonerror n --stopparentfirst undefined 2022-06-02 08:33:41 - Started 4184 2022-06-02 08:36:57 - Starting C:\Program Files\nodejs\node.exe C:\reactor\reactor\node_modules\node-windows\lib\wrapper.js --file C:\reactor\reactor\app.js --scriptoptions= --log "Reactor wrapper" --grow 0.25 --wait 1 --maxrestarts 3 --abortonerror n --stopparentfirst undefined 2022-06-02 08:36:57 - Started 3100 Windows event log event: Child process [4184 - C:\Program Files\nodejs\node.exe C:\reactor\reactor\node_modules\node-windows\lib\wrapper.js --file C:\reactor\reactor\app.js --scriptoptions= --log "Reactor wrapper" --grow 0.25 --wait 1 --maxrestarts 3 --abortonerror n --stopparentfirst undefined] finished with 1
      Multi-System Reactor
    • [Solved] suninfo.period "night" and rule trigger for sunset are at different times

      Crille

      I'm just curious, what's the difference between suninfo.period changing from "day" to "night" vs "after sunset" with no offset?
      suninfo.period changes to "night" 7 minutes and 33 seconds before "after sunset" is triggered in my latest-22149 bare metal setup.

      Multi-System Reactor
    • Status page rule history length.

      MikeReadington

      Hello Patrick,

      On the status page rule history is there any adjustably on length of the history shown? I had an occasion where it would have been helpful to go a few notches farther back than it does as currently configured.

      I don't know if this is a log parser or if it is a separate smaller data set. If it is a log parser, any chance for maybe something like a "more" button?

      Thanks,
      Mike

      Multi-System Reactor
    • [Solved] New device on Ezlo is not added in Reactor

      Crille

      I can't find any posts or reference in docs for this log message

      <EzloController:NOTICE> EzloController#ezlo received notice of new device, but auto-rediscover is OFF; ignoring

      I've restarted MSR and hard refreshed browser but the new entity is not added. Can I set auto-rediscover to ON or how do I get the new device added into Reactor?

      Edit:
      Bare metal latest-22142
      The device is a Xiaomi Mini Switch, it's publishing correct values in ezmqtt.

      Edit 2: The Xiaomi Aqara Mini Switch is now mapped in build 22149.

      Multi-System Reactor
    • Disk Warning on Multisystem Reactor

      S

      334ccd7a-9499-4dea-8a4a-2347609dce62-image.png

      For the life of me I cannot figure this out.
      when I run the du -hs command (from the host) for the mapped volume I get 25M
      (/home/seth/ReactorConfig maps to /var/reactor)

      Inside the container I ran du -hs for each of the folders that the ui is complaining about
      /opt/reactor = 71.2M
      /var/reactor/storage = 2.9M
      /var/reactor/logs = 17.6M

      If I run df on the docker container I get this. Disk space is not critical
      1f5d230c-0792-468b-b3b7-9f45e31581c5-image.png

      What gives?

      Multi-System Reactor
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    Notifications from Alerts

    Multi-System Reactor
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    • Crille
      Crille last edited by

      @toggledbits Is there a way to get Current Alerts as an entity so I could monitor those and send notifications if needed.
      My usecase is sometimes openLuup crashes and MSR picks that up pretty quick, sending a pushover notification to me would get my attention to restart it.
      Of course there are many ways to monitor connectivity but since MSR already is doing that it would be neat to take advantage of it.

      1 Reply Last reply Reply Quote 0
      • toggledbits
        toggledbits last edited by

        Why don't you just condition the sys_system.state attribute of the openLuup controller's system entity?

        Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

        Crille 2 Replies Last reply Reply Quote 1
        • Crille
          Crille @toggledbits last edited by

          @toggledbits Because I did not see that when I first looked for it 🙂
          Excellent, just what i needed, thank you!

          1 Reply Last reply Reply Quote 1
          • A
            Alan_F last edited by

            Resurrecting this older thread... does this answer mean there is no way to react to the presence of an alert within MSR? If not, this would be a useful enhancement.

            I have a camera that is switched between day and night settings by http requests sent by MSR near sunset and sunrise. Yesterday the camera stayed in night mode most of the day while there was an alert showing in MSR that the http request had failed. I realize I could capture the http response to an expression/variable and then write a rule based on that variable to notify me, but I'd have to do this for every http request in every ruleset, and I'd have to make sure I evaluate the response correctly (which is likely to be a hit or miss operation for me). That still wouldn't capture other alerts that MSR might display outside of failed http requests, but I'd like to push all alerts to my notification system. Basically, I don't want to have to check the MSR interface to make sure it's happy, I'd like it to tell me when it's not.

            1 Reply Last reply Reply Quote 1
            • A
              Alan_F last edited by

              Just a note for posterity that alerts are now available as an entity as of version 21356.

              1 Reply Last reply Reply Quote 1
              • cw-kid
                cw-kid last edited by

                So how do you translate an MSR system generated alert like a HTTP Request faiiing

                be1879ae-aae0-4ccf-b79f-322dbe4ff3e9-image.png

                In to a rules trigger ?

                8c7df97c-5201-4029-8d66-0239653d6a4e-image.png

                39c00c3e-2f1e-471d-8743-bc6109fe5e1b-image.png

                Thanks

                1 Reply Last reply Reply Quote 0
                • toggledbits
                  toggledbits last edited by toggledbits

                  The reactor_system.alerts attribute value is an array of objects. Each element/object contains keys id, severity, message, timestamp.

                  Here's an expression that would return an array of messages containing the words "HTTP request" in the message field. You can put this into a local expression of your rule.

                  each alert in getEntity( 'reactor_system>system' ).attributes.reactor_system.alerts: 
                      find( alert.message, "HTTP request", "i" ) >= 0 ? alert : null
                  

                  If the result of the array has non-zero length, an HTTP error has occurred. You can either just wrap the above expression in len() or use a second local expression (sometimes it's nice to keep them separate so you can more easily see what it's doing).

                  EDIT: Fixed the match string in find()

                  Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

                  A cw-kid 2 Replies Last reply Reply Quote 0
                  • A
                    Alan_F @toggledbits last edited by

                    @toggledbits I was playing with this for about an hour, using it as an exercise to try to get better with arrays and the expression syntax. I created a rule that made a bad http request in order to throw an http request error.

                    I managed to get to a point where I could concatenate all the alert messages into a single string in an expression. That could then have been used in a rule that checked that expression for 'contains HTTP request'.

                    The expression you posted above seems like a quicker way to get to the same result, so I tried using it, but it doesn't seem to be working for me.

                    When I remove the 'find' and just return the alert.messge using:

                    each alert in getEntity ( 'reactor_system>system' ).attributes.reactor_system.alerts: alert.message
                    

                    I get:

                    Last value: (array:1) ["Reaction "Test Rule<SET>" (rule-kxkgh72o:S) step 1 HTTP request failed"]

                    But your full expression from above returns this:

                    Last value: (array:0) []

                    It seems like the 'find' part of the expression isn't matching.

                    However if I create the following expressions:

                    g_array_alert_messages = each alert in getEntity ( 'reactor_system>system' ).attributes.reactor_system.alerts: alert.message
                    

                    and

                    g_str_alert_messages = join (g_array_alert_messages, " | ")
                    

                    I get a pipe separated string of all the alert messages that I could use in a rule.

                    p.s. I also learned that if you point an expression at the alerts, and then use bad syntax in that expression, you can easily create a loop and raise the repeat alert counter to 50,000+ pretty quickly. Thank goodness for the throttling limits, since I also have a rule that sends a notification to my phone whenever an alert is raised and that only fired once per minutes, not 10,000 per minute.

                    1 Reply Last reply Reply Quote 0
                    • toggledbits
                      toggledbits last edited by toggledbits

                      Whoops, sorry, the find() is trying to match at the beginning of the string, just remove the ^ from the find match string. I fixed it in that post and tagged the edit.

                      Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

                      1 Reply Last reply Reply Quote 0
                      • cw-kid
                        cw-kid @toggledbits last edited by

                        @toggledbits said in Notifications from Alerts:

                        EDIT: Fixed the match string in find()

                        That works now, it lists the latest alert error for "HTTP Request"

                        9fa5100e-55d7-46e7-8247-bdcf69d9cb21-image.png

                        If there are also other alerts errors still listed in that area of the GUI for "HTTP Request Failed" how would you also get those as well in to an expression value ?

                        Also is there a way to clear / delete a particular error alert via a rule / code ?

                        Thanks

                        toggledbits 1 Reply Last reply Reply Quote 0
                        • toggledbits
                          toggledbits @cw-kid last edited by

                          @cw-kid said in Notifications from Alerts:

                          If there are also other alerts errors still listed in that area of the GUI for "HTTP Request Failed" how would you also get those as well in to an expression value ?

                          You're already doing it. The each produces an array of all matching values. The result you are showing is just an array of 1 element because there is only 1 match.

                          Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

                          cw-kid 2 Replies Last reply Reply Quote 0
                          • cw-kid
                            cw-kid @toggledbits last edited by cw-kid

                            This post is deleted!
                            1 Reply Last reply Reply Quote 0
                            • cw-kid
                              cw-kid @toggledbits last edited by

                              @toggledbits

                              Sorry I didn't see that there were two ID's listed in that expressions output. So you are right it does appear to be showing both alerts that contain the words "Http request".

                              1 Reply Last reply Reply Quote 0
                              • cw-kid
                                cw-kid last edited by

                                Trigger:

                                Not sure if this is the best trigger to use?

                                26c21c42-4fb0-49be-91e3-06cddf41d9dd-image.png

                                Local Expression:

                                fbcead04-5cc4-48cf-881b-749a24855c00-image.png

                                Action:

                                Send a Telegram notification with the contents of the local expression value / text.

                                87c61c63-f74b-46ab-b2f9-3b5143fc9fa0-image.png

                                However in Telegram I just get this:

                                37d151f6-7466-49a2-9844-d706d7378fda-image.png

                                1 Reply Last reply Reply Quote 0
                                • toggledbits
                                  toggledbits last edited by

                                  First, it will never be null, so that's not a valid test (I mentioned that here).

                                  For your message text, you probably need to convert it from an array to a formatted string that is actually readable. This has been covered a bunch as well (even in this very thread), so I won't give away an answer... better to practice! 🙂

                                  Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

                                  cw-kid 1 Reply Last reply Reply Quote 0
                                  • cw-kid
                                    cw-kid @toggledbits last edited by

                                    @toggledbits said in Notifications from Alerts:

                                    it will never be null

                                    Maybe I can use Variable value "is not empty" instead? As the trigger.

                                    I also tried using a Join expression to get some formatted text out of it but I still just get this:

                                    ac24a771-3114-4a90-a604-3c7b6baa2f61-image.png

                                    A toggledbits 2 Replies Last reply Reply Quote 0
                                    • A
                                      Alan_F @cw-kid last edited by

                                      @cw-kid

                                      Here's what I have... I want to be notified on all alerts, and I only want to include the message from the most recent alert in the notification. I also needed to remove the escaped quotes (") from the message string because it was messing with my notification where I was inserting the expression into the http call.

                                      So:

                                      08ac845c-8a8a-4f68-bf3f-a07bbd7de1cb-image.png

                                      g_alerts_array = get all the alerts

                                      g_last_alert = get only the alert where the timestamp == alert_last timestamp

                                      g_last_alert_replaced = remove the " from the alert message string

                                      I realize there is probably some way to combine all of these into one expression, but I was getting errors when I tried wrapping the "first" and "replace" functions around the alerts array expression.

                                      Then in my rule:

                                      5098f72d-f68a-44fe-adba-9a6e5f6592f1-image.png

                                      If you only want http errors, then you'll have to modify the above expressions to find only those, as Patrick showed above. You'd also have to use a different trigger, as you don't want to fire the event every time the alert_last changes, as some of those won't be http errors.

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                                      • toggledbits
                                        toggledbits @cw-kid last edited by toggledbits

                                        @cw-kid said in Notifications from Alerts:

                                        I also tried using a Join expression to get some formatted text out of it but I still just get this:

                                        The reason your join() doesn't work as expected is that the array contains objects, not strings. @Alan_F gives an option, but he uses first so only one alert, not in array, would result.

                                        Good efforts all around though. Let's fill in some details...

                                        When writing complex expressions, and particularly as you're learning the expression language, it's often better to break it down into pieces as @Alan_F has done. For what you seem to want to do, you started with filtering the array:

                                        Alerts_HTTP_Failed = each alert in getEntity( 'reactor_system>system' ).attributes.reactor_system.alerts: 
                                            find( alert.message, "HTTP request", "i" ) >= 0 ? alert : null
                                        

                                        This gives you an array of objects (as we've established) of only the HTTP request errors. From there, you want to get to just the message strings, but all of them, not just one/the first, so you'll use each again:

                                        HTTP_Fail_Messages = each alert in Alerts_HTTP_Failed: alert.message
                                        

                                        That simple expression loops over the objects in the array and extracts just the message field. The result of that is a new array of strings, rather than an array of objects. From there, join...

                                        HTTP_Messages_String = join( HTTP_Fail_Messages, "; " )
                                        

                                        And as they say, Robert is your mother's brother.

                                        Doing it all together:

                                        join( each alert in getEntity( 'reactor_system>system' ).attributes.reactor_system.alerts:
                                            find( alert.message, "HTTP request", "i" ) >= 0 ? alert.message : null, "; " )
                                        

                                        If it looks like I left out a step, I did, in a way... rather than having the filter loop return objects, this version just returns the message (strings) directly as an array, so it eliminates that middleman and can then be passed directly into join().

                                        @alan_f said in Notifications from Alerts:

                                        g_last_alert_replaced = remove the " from the alert message string

                                        Although the quotes look funny in the display, I don't think they will bother anything in use, as the notifiers are built to digest/handle such special characters properly.

                                        Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

                                        A cw-kid 2 Replies Last reply Reply Quote 0
                                        • A
                                          Alan_F @toggledbits last edited by Alan_F

                                          @toggledbits I'm using a self-hosted notification system (Gotify) so when I said 'send notification' it would have been more precise to say "use as the JSON content in an http post request". The " definitely broke the request when it was substituted in to the middle of the request body. I also tried to urlencode the string but while that didn't break the request, it was super ugly as it passed all the encoded characters into the displayed message. I'm not very proficient at regex, so it took an online regex tester and a bit of trial and error to arrive at the right number of backslashes to finally make it work.

                                          Another lesson learned: turn off 'auto evaluate expression' when trying to write expressions that refer to the alerts, 'cause if you get the expression wrong and throw an alert that causes the expression to reevaluate which throws an alert... I had to restart my Reactor Docker container a few times before I turned off 'auto evaluate' ¯_(ツ)_/¯

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                                          • toggledbits
                                            toggledbits @Alan_F last edited by

                                            @alan_f said in Notifications from Alerts:

                                            it would have been more precise to say "use as the JSON content in an http post request". The " definitely broke the request when it was substituted in to the middle of the request body.

                                            That would depend on how you are building it. If you are just jamming it in as a string, that's definitely going to create problems. A better approach may be to build the payload as an actual object in the expressions, and then at the end, right before sending to Gotify, put it through the stringify() function, which will convert the object to a JSON string, and that will also handle the quotes correctly to produce valid JSON with the quotes embedded. That will spare you the agony of having to sanitize every string you might ever send.

                                            Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

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