文章目录

  • 前言
  • 1 依赖包替换
  • 2 编译准备
  • 3 编译
    • 3.1 cli 编译
    • 3.2 stack 编译
    • 3.3 前端编译
  • END

前言

源码编译是重头戏，这节笔记记录如何使用 make 命令编译相关部件。由于部分包在墙外，带来了一点麻烦，还分享一个 GO 翻墙利器。

此前已经分享了一篇相同笔记，但由于时间又过去了半年，部分命令已做了调整，遂更新一篇。

小能手这段时间在学习 The Things Network LoRaWAN Stack V3，从使用和代码等角度对该 Stack 进行了分析，详细可点此查看。

1 依赖包替换

TTN Stack V3 采用了 go moudles 来进行包依赖管理。我们可以看到工程目录下，存在着一个 go.mod，记录了整个工程的依赖包。

我们使用 go mod download 命令，来下载依赖包。

ubuntu@VM-0-6-ubuntu:~/lorawan-stack$ go mod download
go: finding github.com/kamilsk/retry/v4 v4.0.0
go: cloud.google.com/go@v0.36.0: unrecognized import path "cloud.google.com/go" (https fetch: Get https://cloud.google.com/go?go-get=1: dial tcp 172.217.163.238:443: i/o timeout)
go: cloud.google.com/go@v0.34.0: unrecognized import path "cloud.google.com/go" (https fetch: Get https://cloud.google.com/go?go-get=1: dial tcp 172.217.163.238:443: i/o timeout)
go: golang.org/x/sys@v0.0.0-20190209173611-3b5209105503: unrecognized import path "golang.org/x/sys" (https fetch: Get https://golang.org/x/sys?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/sys@v0.0.0-20180909124046-d0be0721c37e: unrecognized import path "golang.org/x/sys" (https fetch: Get https://golang.org/x/sys?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/sys@v0.0.0-20181011152604-fa43e7bc11ba: unrecognized import path "golang.org/x/sys" (https fetch: Get https://golang.org/x/sys?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: google.golang.org/genproto@v0.0.0-20190201180003-4b09977fb922: unrecognized import path "google.golang.org/genproto" (https fetch: Get https://google.golang.org/genproto?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: google.golang.org/genproto@v0.0.0-20181016170114-94acd270e44e: unrecognized import path "google.golang.org/genproto" (https fetch: Get https://google.golang.org/genproto?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/sync@v0.0.0-20180314180146-1d60e4601c6f: unrecognized import path "golang.org/x/sync" (https fetch: Get https://golang.org/x/sync?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/sys@v0.0.0-20181030150119-7e31e0c00fa0: unrecognized import path "golang.org/x/sys" (https fetch: Get https://golang.org/x/sys?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/net@v0.0.0-20181023162649-9b4f9f5ad519: unrecognized import path "golang.org/x/net" (https fetch: Get https://golang.org/x/net?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/net@v0.0.0-20190206173232-65e2d4e15006: unrecognized import path "golang.org/x/net" (https fetch: Get https://golang.org/x/net?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/tools@v0.0.0-20190211224914-44bee7e801e4: unrecognized import path "golang.org/x/tools" (https fetch: Get https://golang.org/x/tools?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: finding gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7
go: golang.org/x/text@v0.3.0: unrecognized import path "golang.org/x/text" (https fetch: Get https://golang.org/x/text?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/sync@v0.0.0-20181108010431-42b317875d0f: unrecognized import path "golang.org/x/sync" (https fetch: Get https://golang.org/x/sync?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/sys@v0.0.0-20180905080454-ebe1bf3edb33: unrecognized import path "golang.org/x/sys" (https fetch: Get https://golang.org/x/sys?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: google.golang.org/appengine@v1.2.0: unrecognized import path "google.golang.org/appengine" (https fetch: Get https://google.golang.org/appengine?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/oauth2@v0.0.0-20190211225200-5f6b76b7c9dd: unrecognized import path "golang.org/x/oauth2" (https fetch: Get https://golang.org/x/oauth2?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/oauth2@v0.0.0-20181017192945-9dcd33a902f4: unrecognized import path "golang.org/x/oauth2" (https fetch: Get https://golang.org/x/oauth2?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: finding github.com/konsorten/go-windows-terminal-sequences v0.0.0-20180402223658-b729f2633dfe
go: golang.org/x/image@v0.0.0-20190209060608-ef4a1470e0dc: unrecognized import path "golang.org/x/image" (https fetch: Get https://golang.org/x/image?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/net@v0.0.0-20180906233101-161cd47e91fd: unrecognized import path "golang.org/x/net" (https fetch: Get https://golang.org/x/net?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/net@v0.0.0-20181017193950-04a2e542c03f: unrecognized import path "golang.org/x/net" (https fetch: Get https://golang.org/x/net?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/crypto@v0.0.0-20180904163835-0709b304e793: unrecognized import path "golang.org/x/crypto" (https fetch: Get https://golang.org/x/crypto?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/crypto@v0.0.0-20190211182817-74369b46fc67: unrecognized import path "golang.org/x/crypto" (https fetch: Get https://golang.org/x/crypto?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/crypto@v0.0.0-20181015023909-0c41d7ab0a0e: unrecognized import path "golang.org/x/crypto" (https fetch: Get https://golang.org/x/crypto?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: google.golang.org/grpc@v1.15.0: unrecognized import path "google.golang.org/grpc" (https fetch: Get https://google.golang.org/grpc?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: google.golang.org/grpc@v1.18.0: unrecognized import path "google.golang.org/grpc" (https fetch: Get https://google.golang.org/grpc?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: golang.org/x/time@v0.0.0-20180412165947-fbb02b2291d2: unrecognized import path "golang.org/x/time" (https fetch: Get https://golang.org/x/time?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: google.golang.org/api@v0.0.0-20181017004218-3f6e8463aa1d: unrecognized import path "google.golang.org/api" (https fetch: Get https://google.golang.org/api?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
go: error loading module requirements

果然被墙。这里分享一个利器 https://goproxy.io/

# Enable the go modules feature
export GO111MODULE=on
# Set the GOPROXY environment variable
export GOPROXY=https://goproxy.io

设置了 go 代理之后，所有包就很顺畅地下载下来了。

2 编译准备

ubuntu@VM-0-6-ubuntu:~/lorawan-stack$ make init
make[1]: Entering directory '/home/ubuntu/lorawan-stack'
GO111MODULE=on go run github.com/magefile/mage -compile .mage/run
lorawan-stack  Installing git hook: pre-commit
lorawan-stack  Installing git hook: pre-push
lorawan-stack  Installing git hook: commit-msg
lorawan-stack  Initializing go
make[2]: Entering directory '/home/ubuntu/lorawan-stack'
lorawan-stack  Installing go dependencies
make[2]: Leaving directory '/home/ubuntu/lorawan-stack'
lorawan-stack  Initializing js
make[2]: Entering directory '/home/ubuntu/lorawan-stack'
lorawan-stack  Installing js dev dependencies
+ yarn@1.12.3
added 1 package and audited 1 package in 3.241s
found 0 vulnerabilitiesmake[2]: Leaving directory '/home/ubuntu/lorawan-stack'
make[2]: Entering directory '/home/ubuntu/lorawan-stack'
lorawan-stack  Installing js dev dependencies
lorawan-stack  Fetching JS SDK dependencies
yarn install v1.12.3
[1/4] Resolving packages...
[2/4] Fetching packages...
info fsevents@1.2.4: The platform "linux" is incompatible with this module.
info "fsevents@1.2.4" is an optional dependency and failed compatibility check. Excluding it from installation.
[3/4] Linking dependencies...
[4/4] Building fresh packages...
warning Your current version of Yarn is out of date. The latest version is "1.13.0", while you're on "1.12.3".
info To upgrade, run the following command:
$ curl --compressed -o- -L https://yarnpkg.com/install.sh | bash
Done in 24.55s.
make[2]: Leaving directory '/home/ubuntu/lorawan-stack'
make[2]: Entering directory '/home/ubuntu/lorawan-stack'
lorawan-stack  Building JS SDK files
yarn run v1.12.3
$ babel src -d dist --no-emoji --no-progress --quiet
Done in 2.68s.
make[2]: Leaving directory '/home/ubuntu/lorawan-stack'
make[2]: Entering directory '/home/ubuntu/lorawan-stack'
lorawan-stack  Installing js dev dependencies
lorawan-stack  Installing js dependencies
yarn install v1.12.3
[1/4] Resolving packages...
[2/4] Fetching packages...
info fsevents@1.2.4: The platform "linux" is incompatible with this module.
info "fsevents@1.2.4" is an optional dependency and failed compatibility check. Excluding it from installation.
[3/4] Linking dependencies...
[4/4] Building fresh packages...
Done in 77.69s.
make[2]: Leaving directory '/home/ubuntu/lorawan-stack'
lorawan-stack  Generating certificates
2019/03/11 16:47:50 wrote cert.pem
2019/03/11 16:47:50 wrote key.pem
make[1]: Leaving directory '/home/ubuntu/lorawan-stack'

3 编译

For development/testing purposes we suggest either running required binaries via go run (e.g. go run ./cmd/ttn-lw-cli from repository root for CLI), or using go build directly. Note, that the frontend (if used) needs to be built via ./mage js:build before go build or go run commands are run.

这块命令现在官方做了比较大的精简，目前已经不用再去运行一些依赖命令，直接可以 build。

3.1 cli 编译

这个命令行工具是和 Stack 的各组件进行交互的必要工具。

go build ./cmd/ttn-lw-cli/

3.2 stack 编译

go build ./cmd/ttn-lw-stack/

小能手使用一个弱爆了虚机进行编译，竟然出错，因此下一篇还额外分享了一个交叉编译的方式，即在 MAC 上为 Linux 编译程序。就当是体验 GO 的一大特色。

3.3 前端编译

./mage js:build

详细的可以见 2.7 编译运行 Web 前端。

END

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