syncthing应用场景类似于rsync，在数据传输通道的两端都部署服务，再通过密钥验证的方式完成最终数据同步。而syncthing较之更加简单，因配备了Web UI，配置上难度降低了不少。
- https://syncthing.net/
- https://github.com/syncthing/syncthing
- https://github.com/syncthing/syncthing/blob/master/README-Docker.md
一般来说，syncthing可以定义一个 服务端，作为数据存储，然后在其他终端运行，设置数据目录同步。
在syncthing工作的过程中，开放了两个tcp端口。
#下载官方镜像
docker pull syncthing/syncthing
#运行容器，将数据目录映射到本地/home/admin/syncthing:/var/syncthing
docker run -p 8384:8384 -p 22000:22000 -v /home/admin/syncthing:/var/syncthing syncthing/syncthing:latest
[monitor] 22:52:33 INFO: Starting syncthing
[start] 22:52:33 INFO: syncthing v1.2.2 "Fermium Flea" (go1.12.9 linux-amd64) docker@syncthing.net 2019-08-15 13:51:09 UTC
[XOTLZ] 22:52:33 INFO: My ID: XOTLZLV-FTJXL3J-ND7UG2J-4TMURL3-2HB5XI5-C2C6WGF-7SDKDBC-FTUVQQS
[XOTLZ] 22:52:34 INFO: Single thread SHA256 performance is 254 MB/s using crypto/sha256 (251 MB/s using minio/sha256-simd).
[XOTLZ] 22:52:34 INFO: Hashing performance is 266.52 MB/s
[XOTLZ] 22:52:34 INFO: Ready to synchronize "Default Folder" (default) (sendreceive)
[XOTLZ] 22:52:34 INFO: Overall send rate is unlimited, receive rate is unlimited
[XOTLZ] 22:52:34 INFO: Using discovery server https://discovery.syncthing.net/v2/?noannounce&id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[XOTLZ] 22:52:34 INFO: Using discovery server https://discovery-v4.syncthing.net/v2/?nolookup&id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[XOTLZ] 22:52:34 INFO: Using discovery server https://discovery-v6.syncthing.net/v2/?nolookup&id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[XOTLZ] 22:52:34 INFO: QUIC listener ([::]:22000) starting
[XOTLZ] 22:52:34 INFO: TCP listener ([::]:22000) starting
[XOTLZ] 22:52:34 INFO: Relay listener (dynamic+https://relays.syncthing.net/endpoint) starting
[XOTLZ] 22:52:34 INFO: Completed initial scan of sendreceive folder "Default Folder" (default)
[XOTLZ] 22:52:34 INFO: GUI and API listening on [::]:8384
[XOTLZ] 22:52:34 INFO: Access the GUI via the following URL: http://127.0.0.1:8384/
[XOTLZ] 22:52:34 INFO: My name is "b9a6f629f5a8"
[XOTLZ] 22:52:44 INFO: quic://0.0.0.0:22000 detected NAT type: Symmetric NAT
[XOTLZ] 22:52:44 INFO: quic://0.0.0.0:22000 resolved external address quic://218.240.148.51:16289 (via stun.syncthing.net:3478)
[XOTLZ] 22:52:55 INFO: Detected 1 NAT service
[XOTLZ] 22:54:02 INFO: Joined relay relay://x.x.x.x:22067
[XOTLZ] 22:57:54 INFO: quic://0.0.0.0:22000 detected NAT type: Symmetric NAT
[XOTLZ] 22:57:54 INFO: quic://0.0.0.0:22000 resolved external address quic://x.x.x.x:17640 (via stun.syncthing.net:3478)
docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
fbc8950a123b syncthing/syncthing:latest "/bin/entrypoint.sh …" 6 minutes ago Up 6 minutes (healthy) 0.0.0.0:8384->8384/tcp, 0.0.0.0:22000->22000/tcp, 21027/udp romantic_jones
将一台Ubuntu Server作为终端进行测试
# Add the release PGP keys:
curl -s https://syncthing.net/release-key.txt | sudo apt-key add -
# Add the "stable" channel to your APT sources:
echo "deb https://apt.syncthing.net/ syncthing stable" | sudo tee /etc/apt/sources.list.d/syncthing.list
# Update and install syncthing:
sudo apt-get update
sudo apt-get install syncthing
启动服务
#0.0.0.0:8384,设置web UI访问为任何地址，测试时是没有认证，非常不安全，正式环境是需要设置账户密码验证的
syncthing -no-browser -gui-address="0.0.0.0:8384" -no-restart -logflags=0
[start] INFO: syncthing v1.2.2 "Fermium Flea" (go1.12.9 linux-amd64) deb@build.syncthing.net 2019-08-15 13:51:09 UTC
[start] INFO: Generating ECDSA key and certificate for syncthing...
[start] INFO: Default folder created and/or linked to new config
[start] INFO: Default config saved. Edit /root/.config/syncthing/config.xml to taste (with Syncthing stopped) or use the GUI
[3SUZI] INFO: My ID: 3SUZIJJ-KZN5BS6-PSS5BA5-3WU2ANE-66NACZQ-QY7V75K-NMRWK6L-ZGJ47AF
[3SUZI] INFO: Single thread SHA256 performance is 328 MB/s using minio/sha256-simd (256 MB/s using crypto/sha256).
[3SUZI] INFO: Hashing performance is 283.29 MB/s
[3SUZI] INFO: No stored folder metadata for "default": recalculating
[3SUZI] INFO: Ready to synchronize "Default Folder" (default) (sendreceive)
[3SUZI] INFO: Overall send rate is unlimited, receive rate is unlimited
[3SUZI] INFO: Using discovery server https://discovery.syncthing.net/v2/?noannounce&id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[3SUZI] INFO: Using discovery server https://discovery-v4.syncthing.net/v2/?nolookup&id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[3SUZI] INFO: Using discovery server https://discovery-v6.syncthing.net/v2/?nolookup&id=LYXKCHX-VI3NYZR-ALCJBHF-WMZYSPK-QG6QJA3-MPFYMSO-U56GTUK-NA2MIAW
[3SUZI] INFO: QUIC listener ([::]:22000) starting
[3SUZI] INFO: Loading HTTPS certificate: open /root/.config/syncthing/https-cert.pem: no such file or directory
[3SUZI] INFO: Creating new HTTPS certificate
[3SUZI] INFO: TCP listener ([::]:22000) starting
[3SUZI] INFO: Relay listener (dynamic+https://relays.syncthing.net/endpoint) starting
[3SUZI] INFO: Completed initial scan of sendreceive folder "Default Folder" (default)
[3SUZI] INFO: GUI and API listening on [::]:8384
[3SUZI] INFO: Access the GUI via the following URL: http://127.0.0.1:8384/
[3SUZI] INFO: My name is "elk"
[3SUZI] WARNING: Syncthing should not run as a privileged or system user. Please consider using a normal user account.
[3SUZI] INFO: quic://0.0.0.0:22000 detected NAT type: Symmetric NAT
[3SUZI] INFO: quic://0.0.0.0:22000 resolved external address quic:///x.x.x.x:30146 (via stun.syncthing.net:3478)
[3SUZI] INFO: Detected 1 NAT service
[3SUZI] INFO: Sent usage report (version 3)
[3SUZI] INFO: Joined relay relay://x.x.x.x:22067
[3SUZI] INFO: Listen (BEP/relay): joining session: Incorrect response code 2: already connected
在终端上访问web UI获取设备ID“XOTLZLV-FTJXL3J-ND7UG2J-4TMURL3-2HB5XI5-C2C6WGF-7SDKDBC-FTUVQQS”
默认共享的目录的路径
/var/syncthing/Sync
在syncthing docker服务端添加将终端作为远程设备添加。同时，还可以在Sharing设置需要共享的目录有哪些，以及同步数据时上传下载的速率
远程共享设备添加成功
测试数据同步
向终端syncthing的共享目录内复制一个文件
