PoC of a matrix bot which on room invite joins and sends the message with the sbatch --mail-user switch with roomID. `go run matrixSlurmBot.go`

matrixSlurmBot.go

package main

import (
        "fmt"
        "log"

        "maunium.net/go/mautrix"
        "maunium.net/go/mautrix/event"
)

const (
        matrixServer   = "https://matrix-client.matrix.org"
        matrixBotUser  = "@SlurmBotNameHere:matrix.org"
        matrixBotToken = "botTokenHere"
)

func main() {

        client, err := mautrix.NewClient(matrixServer, matrixBotUser, matrixBotToken)
        if err != nil {
                log.Fatalf("ERROR: %q\n", err)
        }

        log.Printf("SUCCESS: %#v\n", client)

        syncer := client.Syncer.(*mautrix.DefaultSyncer)
        syncer.OnEvent(client.Store.(*mautrix.InMemoryStore).UpdateState)
        syncer.OnEventType(event.StateMember, func(source mautrix.EventSource, event *event.Event) {
                fmt.Printf("GOT EVENT %#v\n SOURCE: %#v\n", event, source)
                // skip non-member events and member events that don't pertain
                // to us
                //if *event.StateKey != authInfo.UserID.String() || event.Type.Type != "m.room.member" {
                if *event.StateKey != matrixBotUser || event.Type.Type != "m.room.member" {
                        return
                }
                content := event.Content.AsMember()
                // skip non-invite messages
                if content.Membership != "invite" {
                        return
                }
                fmt.Printf("Joining room %s...\n", event.RoomID)
                _, err := client.JoinRoomByID(event.RoomID)
                if err != nil {
                        panic(err)
                }
                fmt.Printf("Joined room %s\n", event.RoomID)
                client.SendText(event.RoomID, fmt.Sprintf("Hello from slurmMatrixbot, use this switch in your job submission script and i'll get back to you: --mail-user=matrix:%s\n", event.RoomID))
        })

        fmt.Println("Looking for rooms to join...")
        client.Sync()

}