Simple bidirectional bridge configuration?

[42wim]

Simple bidirectional bridge configuration?

[42wim]

You don't need 4 gateways for your setup, you can do it with 2 gateways.
gateway.in specifies the incoming bridges, gateway.out the outgoing bridges.

Messages coming from any incoming bridge will be sent to any outgoing bridge.
The config is a bit verbose, but it's not easy to have something flexible and not too complicated in the code.

It's based on the config in #9 the unfortunately inline tables are not yet in the go-tom library which would make it less verbose like { account = "gitter.hsimbot", channel = "hearthsim/hearthsim" },

[[gateway]]
name="gateway-wellington"
enable=true
  [[gateway.in]]
  account="slack.enspiral"
  channel="wellington"

  [[gateway.in]]
  account="mattermost.enspiral"
  channel="wellington"

  [[gateway.out]]
  account="slack.enspiral"  
  channel="wellington"

  [[gateway.out]]
  account="mattermost.enspiral"
  channel="wellington"

[[gateway]]
name="gateway-thanks"
enable=true
  [[gateway.in]]
  account="slack.enspiral"
  channel="thanks"

  [[gateway.in]]
  account="mattermost.enspiral"
  channel="thanks"

  [[gateway.out]]
  account="slack.enspiral"
  channel="thanks"

  [[gateway.out]]
  account="mattermost.enspiral"
  channel="thanks"

Your suggestion with bidirectionalbridge would only work when the channels on slack and mattermost have exactly the same name.

[robguthrie]

Thanks for explaining that to me. Super helpful. I really appreciate it.

In my case, I'm trying to create a way for us to migrate from slack to matterbridge, and it's fine to assume that channel names will be exactly the same on both systems. I have been thinking that this must be the case for many people in my situation, but it does not seem like there is a clear guide for people to follow yet. It must be my job to write it up!

So.. I've got maybe 100 channels across 5 teams, with the same channel and team name in each place.

Having concise and readable configuration is my top concern for managing this complexity.

At this stage I think the easiest thing for me to do is write a ruby script which generates a matterbridge config based on my more concise configuration file.

Maybe after I understand my configuration needs I can look at what the right contribution to matterbridge is to help others in my situation.

[42wim]

@robguthrie I implemented a simplified config for your use case.
It's called the "samechannelgateway" by lack of a better name. (I didn't like bidirectional because they all are bidirectional. A better name is still welcome though)

Your config would be simplified like this:

[[samechannelgateway]]
    name = slackmattermost
    enable = true
    accounts = [ "mattermost.enspiral","slack.enspiral" ]
    channels = [ "wellington", "thanks"]

It's in master now, just tested by me. If you have the time, more testing would be appreciated :-)

[robguthrie]

Wow! That's fantastic. I'll give it a go tomorrow. Thank you!

On Sat, Oct 1, 2016 at 10:24 AM, @42wim [email protected] wrote:

@robguthrie https://github.com/robguthrie I implemented a simplified
config for your use case.
It's called the "samechannelgateway" by lack of a better name. (I didn't
like bidirectional because they all are bidirectional. A better name is
still welcome though)

Your config would be simplified like this:

[[samechannelgateway]]
name = slackmattermost
enable = true
accounts = [ "mattermost.enspiral","slack.enspiral" ]
channels = [ "wellington", "thanks"]

It's in master now, just tested by me. If you have the time more testing
would be appreciated :-)

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[robguthrie]

Hi. I had a go with this but I get the following stack trace when I start it:

matterbridge_1 | running version 0.7.0-dev
matterbridge_1 | starting samechannel gateway "slackmattermost"
matterbridge_1 | time="2016-10-02T23:37:15Z" level=info msg="Starting bridge: mattermost.enspiral" 
matterbridge_1 | time="2016-10-02T23:37:15Z" level=info msg="Starting bridge: slack.enspiral" 
matterbridge_1 | time="2016-10-02T23:37:15Z" level=info msg="Connecting [email protected] (team: Enspiral) on chat.enspiral.com" module=mattermost 
matterbridge_1 | time="2016-10-02T23:37:16Z" level=info msg="mattermost.enspiral: joining wellington" 
matterbridge_1 | panic: runtime error: invalid memory address or nil pointer dereference
matterbridge_1 | [signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x7f408764a546]
matterbridge_1 | 
matterbridge_1 | goroutine 6 [running]:
matterbridge_1 | panic(0x7f4087c3c1c0, 0xc42000c050)
matterbridge_1 |    /usr/lib/go/src/runtime/panic.go:500 +0x1a5
matterbridge_1 | github.com/42wim/matterbridge/matterclient.(*MMClient).GetChannelId(0xc420081830, 0xc4200f9740, 0xa, 0x0, 0x0, 0x0, 0x0)
matterbridge_1 |    /go/src/github.com/42wim/matterbridge/matterclient/matterclient.go:318 +0xa6
matterbridge_1 | github.com/42wim/matterbridge/bridge/mattermost.(*Bmattermost).JoinChannel(0xc420103420, 0xc4200f9740, 0xa, 0x2, 0x2)
matterbridge_1 |    /go/src/github.com/42wim/matterbridge/bridge/mattermost/mattermost.go:88 +0x6a
matterbridge_1 | github.com/42wim/matterbridge/gateway/samechannel.New(0xc420018ae0, 0xc420011400, 0x0, 0x0)
matterbridge_1 |    /go/src/github.com/42wim/matterbridge/gateway/samechannel/samechannel.go:35 +0x4fe
matterbridge_1 | main.main.func1(0xc420018ae0, 0xc42012c000, 0xf, 0x1, 0xc42012ccc0, 0x2, 0x2, 0xc42012cba0, 0x2, 0x2)
matterbridge_1 |    /go/src/github.com/42wim/matterbridge/matterbridge.go:40 +0x84
matterbridge_1 | created by main.main
matterbridge_1 |    /go/src/github.com/42wim/matterbridge/matterbridge.go:44 +0x5c5

Here is my config:

[mattermost]
  [mattermost.enspiral]
  useAPI=true
  Server="removed"
  Team="Enspiral"
  Login="removed"
  Password="removed"
  # PrefixMessagesWithNick=true

[slack]
  [slack.enspiral]
  useAPI=true
  Token="removed"

[[samechannelgateway]]
  name="slackmattermost"
  enable=true
  accounts=[ "mattermost.enspiral","slack.enspiral" ]
  channels=[ "wellington", "thanks"]

I really appreciate your help. Thank you.

[42wim]

Could you update from master again ? My guess is your team can not be found (should be in lowercase)

[robguthrie]

I've got it setup now. It's been running for a few hours now and seems great.

Thank you so much!

I have another ... idea.. Could the system automatically sync channels the bot belongs to? So I don't need to update and restart the config, rather, I just invite the bot to the channel in each system?

[42wim]

Could you open an issue for that idea ? And close this issue afterwards ?:)
Thanks!