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73 lines
2.7 KiB
Markdown
73 lines
2.7 KiB
Markdown
# netbird Signal Server
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This is a netbird signal-exchange server and client library to exchange connection information between netbird peers
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## Command Options
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The CLI accepts the command **management** with the following options:
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```shell
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start Netbird Signal Server daemon
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Usage:
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netbird-signal run [flags]
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Flags:
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-h, --help help for run
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--letsencrypt-domain string a domain to issue Let's Encrypt certificate for. Enables TLS using Let's Encrypt. Will fetch and renew certificate, and run the server with TLS
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--port int Server port to listen on (e.g. 10000) (default 10000)
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--ssl-dir string server ssl directory location. *Required only for Let's Encrypt certificates. (default "/var/lib/netbird/")
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Global Flags:
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--log-file string sets Netbird log path. If console is specified the the log will be output to stdout (default "/var/log/netbird/signal.log")
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--log-level string (default "info")
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```
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## Running the Signal service (Docker)
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We have packed the Signal server into docker image. You can pull the image from Docker Hub and execute it with the following commands:
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````shell
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docker pull netbirdio/signal:latest
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docker run -d --name netbird-signal -p 10000:10000 netbirdio/signal:latest
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````
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The default log-level is set to INFO, if you need you can change it using by updating the docker cmd as followed:
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````shell
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docker run -d --name netbird-signal -p 10000:10000 netbirdio/signal:latest --log-level DEBUG
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````
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### Run with TLS (Let's Encrypt).
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By specifying the **--letsencrypt-domain** the daemon will handle SSL certificate request and configuration.
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In the following example ```10000``` is the signal service **default** port, and ```443``` will be used as port for Let's Encrypt challenge and HTTP API.
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> The server where you are running a container has to have a public IP (for Let's Encrypt certificate challenge).
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Replace <YOUR-DOMAIN> with your server's public domain (e.g. mydomain.com or subdomain sub.mydomain.com).
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```bash
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# create a volume
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docker volume create wiretrustee-signal
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# run the docker container
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docker run -d --name netbird-signal \
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-p 10000:10000 \
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-p 443:443 \
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-v netbird-signal:/var/lib/netbird \
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netbirdio/signal:latest \
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--letsencrypt-domain <YOUR-DOMAIN>
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```
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## For development purposes:
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The project uses gRpc library and defines service in protobuf file located in:
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```proto/signalexchange.proto```
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To build the project you have to do the following things.
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Install golang gRpc tools:
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```bash
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#!/bin/bash
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go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.26
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go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1
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```
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Generate gRpc code:
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```bash
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#!/bin/bash
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protoc -I proto/ proto/signalexchange.proto --go_out=. --go-grpc_out=.
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```
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