From 046aa14c802ed847d5783245669cc641a2448b4d Mon Sep 17 00:00:00 2001 From: Sam Fredrickson Date: Sun, 25 Aug 2024 19:03:39 -0700 Subject: [PATCH] Initial commit. --- .gitea/workflows/build.yaml | 38 ++++++++++++ .gitea/workflows/release-tag.yaml | 30 +++++++++ .gitignore | 27 ++++++++ .golangci.yaml | 15 +++++ .goreleaser.yaml | 50 +++++++++++++++ .idea/.gitignore | 8 +++ .idea/economize.iml | 9 +++ .idea/modules.xml | 8 +++ .idea/vcs.xml | 6 ++ README.md | 17 +++++ cmd/economize/main.go | 70 +++++++++++++++++++++ go.mod | 41 ++++++++++++ go.sum | 100 ++++++++++++++++++++++++++++++ pkg/economize/lib.go | 49 +++++++++++++++ 14 files changed, 468 insertions(+) create mode 100644 .gitea/workflows/build.yaml create mode 100644 .gitea/workflows/release-tag.yaml create mode 100644 .gitignore create mode 100644 .golangci.yaml create mode 100644 .goreleaser.yaml create mode 100644 .idea/.gitignore create mode 100644 .idea/economize.iml create mode 100644 .idea/modules.xml create mode 100644 .idea/vcs.xml create mode 100644 README.md create mode 100644 cmd/economize/main.go create mode 100644 go.mod create mode 100644 go.sum create mode 100644 pkg/economize/lib.go diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml new file mode 100644 index 0000000..f3adf07 --- /dev/null +++ b/.gitea/workflows/build.yaml @@ -0,0 +1,38 @@ +name: Build & Test +on: + push: + branches: + - "**" + +jobs: + Main: + runs-on: ubuntu-latest + steps: + - + name: Checkout + uses: actions/checkout@v4 + with: + fetch-depth: 0 + - + name: Set up Go + uses: actions/setup-go@v4 + with: + go-version: 1.23.0 + - + name: Run linter + uses: golangci/golangci-lint-action@v3 + with: + version: v1.60.3 + - + name: Run tests + run: go test ./... + - + name: Run GoReleaser + uses: goreleaser/goreleaser-action@v5 + with: + distribution: goreleaser + version: 2.2.0 + args: release --clean --snapshot + env: + GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }} + GORELEASER_FORCE_TOKEN: gitea diff --git a/.gitea/workflows/release-tag.yaml b/.gitea/workflows/release-tag.yaml new file mode 100644 index 0000000..e596676 --- /dev/null +++ b/.gitea/workflows/release-tag.yaml @@ -0,0 +1,30 @@ +name: Release +on: + push: + tags: + - v* + +jobs: + Release: + runs-on: ubuntu-latest + steps: + - + name: Checkout + uses: actions/checkout@v4 + with: + fetch-depth: 0 + - + name: Set up Go + uses: actions/setup-go@v4 + with: + go-version: 1.23.0 + - + name: Run GoReleaser + uses: goreleaser/goreleaser-action@v5 + with: + distribution: goreleaser + version: 2.2.0 + args: release --clean + env: + GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }} + GORELEASER_FORCE_TOKEN: gitea diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b92bd97 --- /dev/null +++ b/.gitignore @@ -0,0 +1,27 @@ +### Go template +# If you prefer the allow list template instead of the deny list, see community template: +# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore +# +# Binaries for programs and plugins +*.exe +*.exe~ +*.dll +*.so +*.dylib +economize + +# Test binary, built with `go test -c` +*.test + +# Output of the go coverage tool, specifically when used with LiteIDE +*.out +dist/ + +# Dependency directories (remove the comment below to include it) +# vendor/ + +# Go workspace file +go.work + +# private config files +economize.yaml \ No newline at end of file diff --git a/.golangci.yaml b/.golangci.yaml new file mode 100644 index 0000000..80dda2e --- /dev/null +++ b/.golangci.yaml @@ -0,0 +1,15 @@ +linters: + disable-all: true + enable: + - errcheck + - godot + - goimports + - gosimple + - govet + - ineffassign + - nilerr + - nilnil + - staticcheck + - typecheck + - unused + - usestdlibvars diff --git a/.goreleaser.yaml b/.goreleaser.yaml new file mode 100644 index 0000000..b98c264 --- /dev/null +++ b/.goreleaser.yaml @@ -0,0 +1,50 @@ +# This is an example .goreleaser.yml file with some sensible defaults. +# Make sure to check the documentation at https://goreleaser.com + +# The lines below are called `modelines`. See `:help modeline` +# Feel free to remove those if you don't want/need to use them. +# yaml-language-server: $schema=https://goreleaser.com/static/schema.json +# vim: set ts=2 sw=2 tw=0 fo=cnqoj + +version: 2 + +before: + hooks: + - go mod tidy + +builds: + - id: "economize" + main: ./cmd/economize + binary: economize + env: + - CGO_ENABLED=0 + goos: + - linux + goarch: + - amd64 + +archives: + - format: tar.gz + # this name template makes the OS and Arch compatible with the results of `uname`. + name_template: >- + {{ .ProjectName }}_ + {{- title .Os }}_ + {{- if eq .Arch "amd64" }}x86_64 + {{- else if eq .Arch "386" }}i386 + {{- else }}{{ .Arch }}{{ end }} + {{- if .Arm }}v{{ .Arm }}{{ end }} + # use zip for windows archives + format_overrides: + - goos: windows + format: zip + +changelog: + sort: asc + filters: + exclude: + - "^docs:" + - "^test:" + +gitea_urls: + api: https://code.humancabbage.net/api/v1 + download: http://code.humancabbage.net diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/economize.iml b/.idea/economize.iml new file mode 100644 index 0000000..5e764c4 --- /dev/null +++ b/.idea/economize.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..d30e7d3 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..bb32a17 --- /dev/null +++ b/README.md @@ -0,0 +1,17 @@ +# economize - manage economy server + +## Background + +My storage server, `economy`, is nearly a decade old, and has 18 spinning rust +disks, so it's a bit power-hungry: when idle, it draws about 270W. If left on +all day, that would consume roughly 6.5 kWh of energy, costing about $2.6. +Over a month, that would be $78. (Thanks, PG&E! :( ) + +But, I have a newer Ryzen 5000U-based mini-PC server that consumes much less +power and runs 24/7 anyway. So I can schedule periodic jobs to bring `economy` +up and down. This program implements the logic for those jobs. + +`economize up` will use the BMC to power on the server. + +`economize down` will use the BMC to power down the server safely by sending +an ACPI signal to the operating system. diff --git a/cmd/economize/main.go b/cmd/economize/main.go new file mode 100644 index 0000000..d4ce02e --- /dev/null +++ b/cmd/economize/main.go @@ -0,0 +1,70 @@ +package main + +import ( + "context" + + "github.com/spf13/cobra" + "github.com/spf13/viper" + + "code.humancabbage.net/sam/economize/pkg/economize" +) + +var rootCmd = &cobra.Command{ + Use: "economize", + Short: "Control the economy server", +} + +var upCmd = &cobra.Command{ + Use: "up", + Short: "Bring economy server up", + RunE: func(cmd *cobra.Command, args []string) error { + return economize.Up(context.Background(), cfg) + }, +} + +var downCmd = &cobra.Command{ + Use: "down", + Short: "Bring economy server down safely", + RunE: func(cmd *cobra.Command, args []string) error { + return economize.Down(context.Background(), cfg) + }, +} + +var cfgFilePath string +var cfg economize.Config + +func init() { + cobra.OnInitialize(initConfig) + rootCmd.PersistentFlags().StringVarP(&cfg.Host, "host", "H", "", "IPMI host") + rootCmd.PersistentFlags().StringVarP(&cfg.Host, "cfg", "c", "./economize.yaml", "config file") + rootCmd.PersistentFlags().StringVarP(&cfg.Credentials.Username, "username", "u", "", "IPMI admin username") + rootCmd.PersistentFlags().StringVarP(&cfg.Credentials.Password, "password", "p", "", "IPMI admin password") + cobra.CheckErr(viper.BindPFlag("host", rootCmd.PersistentFlags().Lookup("host"))) + cobra.CheckErr(viper.BindPFlag("username", rootCmd.PersistentFlags().Lookup("username"))) + cobra.CheckErr(viper.BindPFlag("password", rootCmd.PersistentFlags().Lookup("password"))) + + rootCmd.AddCommand(upCmd) + rootCmd.AddCommand(downCmd) +} + +func initConfig() { + if cfgFilePath != "" { + viper.SetConfigFile(cfgFilePath) + } else { + viper.SetConfigFile("economize.yaml") + } + viper.AutomaticEnv() + if err := viper.ReadInConfig(); err != nil { + cobra.CheckErr(err) + } + + cfg.Host = viper.GetString("host") + cfg.Credentials.Username = viper.GetString("credentials.username") + cfg.Credentials.Password = viper.GetString("credentials.password") +} + +func main() { + if err := rootCmd.Execute(); err != nil { + panic(err) + } +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..3a48da3 --- /dev/null +++ b/go.mod @@ -0,0 +1,41 @@ +module code.humancabbage.net/sam/economize + +go 1.23.0 + +require ( + github.com/gebn/bmc v0.0.0-20240314032849-0e2bbfb258d2 + github.com/spf13/cobra v1.8.1 + github.com/spf13/viper v1.19.0 +) + +require ( + github.com/beorn7/perks v1.0.1 // indirect + github.com/cenkalti/backoff/v4 v4.3.0 // indirect + github.com/cespare/xxhash/v2 v2.3.0 // indirect + github.com/fsnotify/fsnotify v1.7.0 // indirect + github.com/google/gopacket v1.1.19 // indirect + github.com/hashicorp/hcl v1.0.0 // indirect + github.com/inconshreveable/mousetrap v1.1.0 // indirect + github.com/magiconair/properties v1.8.7 // indirect + github.com/mitchellh/mapstructure v1.5.0 // indirect + github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/pelletier/go-toml/v2 v2.2.3 // indirect + github.com/prometheus/client_golang v1.20.2 // indirect + github.com/prometheus/client_model v0.6.1 // indirect + github.com/prometheus/common v0.55.0 // indirect + github.com/prometheus/procfs v0.15.1 // indirect + github.com/sagikazarmark/locafero v0.6.0 // indirect + github.com/sagikazarmark/slog-shim v0.1.0 // indirect + github.com/sourcegraph/conc v0.3.0 // indirect + github.com/spf13/afero v1.11.0 // indirect + github.com/spf13/cast v1.7.0 // indirect + github.com/spf13/pflag v1.0.5 // indirect + github.com/subosito/gotenv v1.6.0 // indirect + go.uber.org/multierr v1.11.0 // indirect + golang.org/x/exp v0.0.0-20240823005443-9b4947da3948 // indirect + golang.org/x/sys v0.24.0 // indirect + golang.org/x/text v0.17.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect + gopkg.in/ini.v1 v1.67.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..a712b29 --- /dev/null +++ b/go.sum @@ -0,0 +1,100 @@ +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= +github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= +github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8= +github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE= +github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs= +github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= +github.com/davecgh/go-spew v1.1.1/go.mod 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"github.com/gebn/bmc/pkg/ipmi" +) + +type Config struct { + Host string + Credentials struct { + Username string + Password string + } +} + +func (cfg Config) OpenSession(ctx context.Context) (bmc.Session, error) { + transport, err := bmc.DialV2(cfg.Host) + if err != nil { + return nil, err + } + session, err := transport.NewSession(ctx, &bmc.SessionOpts{ + Username: cfg.Credentials.Username, + Password: []byte(cfg.Credentials.Password), + MaxPrivilegeLevel: ipmi.PrivilegeLevelOperator, + }) + if err != nil { + return nil, err + } + return session, nil +} + +func (cfg Config) ChassisControl(ctx context.Context, control ipmi.ChassisControl) error { + session, err := cfg.OpenSession(ctx) + if err != nil { + return err + } + err = session.ChassisControl(ctx, control) + return err +} + +func Up(ctx context.Context, cfg Config) error { + return cfg.ChassisControl(ctx, ipmi.ChassisControlPowerOn) +} + +func Down(ctx context.Context, cfg Config) error { + return cfg.ChassisControl(ctx, ipmi.ChassisControlSoftPowerOff) +}