commit 6381e9e35dbe2ba8ba90a7cf3705feea074a5530 Author: shoopea Date: Thu Aug 10 12:17:26 2023 +0200 inception diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..0a3f884 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,23 @@ +FROM golang:alpine as builder + +RUN apk add --no-cache \ + git + +WORKDIR /app + +ARG COMMIT=latest + +RUN GOBIN=/app go install github.com/shoopea/shelly-proxy@$COMMIT + +FROM alpine:latest + +RUN apk add --no-cache \ + libstdc++ + +WORKDIR /app/ + +# Copy the Pre-built binary file from the previous stage +COPY --from=builder /app/shelly-proxy . + +# Command to run the executable +CMD ["./shelly-proxy"] diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..421db32 --- /dev/null +++ b/go.mod @@ -0,0 +1,33 @@ +module git.siteop.biz/shoopea/shelly-proxy + +go 1.20 + +require ( + github.com/bytedance/sonic v1.9.1 // indirect + github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect + github.com/gabriel-vasile/mimetype v1.4.2 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/gin-gonic/gin v1.9.1 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.14.0 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.4 // indirect + github.com/leodido/go-urn v1.2.4 // indirect + github.com/mattn/go-isatty v0.0.19 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.0.8 // indirect + github.com/peterbourgon/ff/v3 v3.4.0 // indirect + github.com/robfig/cron/v3 v3.0.1 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.11 // indirect + golang.org/x/arch v0.3.0 // indirect + golang.org/x/crypto v0.9.0 // indirect + golang.org/x/net v0.10.0 // indirect + golang.org/x/sys v0.8.0 // indirect + golang.org/x/text v0.9.0 // indirect + google.golang.org/protobuf v1.30.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..31ba78c --- /dev/null +++ b/go.sum @@ -0,0 +1,82 @@ +github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM= +github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s= +github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U= +github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU= +github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA= +github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE= +github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI= +github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg= +github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU= +github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= +github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= +github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= 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h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= +github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk= +github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY= +github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q= +github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4= +github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA= +github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M= +github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= +github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ= +github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4= +github.com/peterbourgon/ff/v3 v3.4.0 h1:QBvM/rizZM1cB0p0lGMdmR7HxZeI/ZrBWB4DqLkMUBc= +github.com/peterbourgon/ff/v3 v3.4.0/go.mod h1:zjJVUhx+twciwfDl0zBcFzl4dW8axCRyXE/eKY9RztQ= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs= +github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= +github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= +github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= +github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= +github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= +github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI= +github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08= +github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU= +github.com/ugorji/go/codec 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v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE= +golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= +golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= +google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng= +google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/proxy.go b/proxy.go new file mode 100644 index 0000000..8491857 --- /dev/null +++ b/proxy.go @@ -0,0 +1,210 @@ +package main + +import ( + "bufio" + "encoding/json" + "flag" + "fmt" + "io" + "log" + "net/http" + "os" + "strings" + "time" + + "github.com/gin-gonic/gin" + "github.com/peterbourgon/ff/v3" + "github.com/robfig/cron/v3" +) + +type ShellyStatus struct { + Wifi ShellyWifiStatus `json:"wifi_sta"` + Cloud ShellyCloudStatus `json:"cloud"` + Mqtt ShellyMqttStatus `json:"mqtt"` + Time string `json:"time"` + Serial int `json:"serial"` + HasUpdate bool `json:"has_update"` + MAC string `json:"mac"` + Relays []ShellyRelaysStatus `json:"relays"` + Meters []ShellyMetersStatus `json:"meters"` + Temperature float32 `json:"temperature"` + OverTemperature bool `json:"overtemperature"` + Update ShellyUpdateStatus `json:"update"` + RamTotal int `json:"ram_total"` + RamFree int `json:"ram_free"` + FsSize int `json:"fs_size"` + FsFree int `json:"fs_free"` + Uptime int `json:"uptime"` +} + +type ShellyWifiStatus struct { + Connected bool `json:"connected"` + SSID string `json:"ssid"` + IP string `json:"ip"` + RSSI int `json:"rssi"` +} + +type ShellyCloudStatus struct { + Enabled bool `json:"enabled"` + Connected bool `json:"connected"` +} + +type ShellyMqttStatus struct { + Connected bool `json:"connected"` +} + +type ShellyRelaysStatus struct { + IsOn bool `json:"ison"` + HasTimer bool `json:"has_timer"` + Overpower bool `json:"overpower"` +} + +type ShellyMetersStatus struct { + Power float32 `json:"power"` + IsValid bool `json:"is_valid"` + Timestamp int `json:"timestamp"` + Counters []float32 `json:"counters"` + Total int `json:"total"` +} + +type ShellyUpdateStatus struct { + Status string `json:"status"` + HasUpdate bool `json:"has_update"` + NewVersion string `json:"new_version"` + OldVersion string `json:"old_version"` +} + +var ( + flagset = flag.NewFlagSet("shelly-proxy", flag.ContinueOnError) + + // config flags + shellyHost = flagset.String("shellyplug-host", "192.168.30.1", "Shellyplug address (also via SHELLYPLUG_HOST)") + shellyPort = flagset.Int("shellyplug-port", 80, "Shellyplug port (also via SHELLYPLUG_HOST)") + //shellyAuthUser = flagset.String("shellyplug-auth-username", "", "Shellyplug authentication username (also via SHELLYPLUG_AUTH_USERNAME)") + //shellyAuthPass = flagset.String("shellyplug-auth-password", "", "Shellyplug authentication username (also via SHELLYPLUG_AUTH_PASSWORD)") + exporterPort = flagset.Int("exporter-port", 9000, "Exporter port (also via EXPORTER_PORT)") + + // additional flags + _ = flagset.String("config", "", "Path to config file (ini format)") + //versionInfo = flagset.Bool("version", false, "Show version information") + + // internal + ss *ShellyStatus +) + +func main() { + + // use .env file if it exists + if _, err := os.Stat(".env"); err == nil { + if err := ff.Parse(flagset, os.Args[1:], + ff.WithEnvVarPrefix("shelly-proxy"), + ff.WithConfigFile(".env"), + ff.WithConfigFileParser(ff.EnvParser), + ); err != nil { + fmt.Fprintf(os.Stderr, "error: %v\n", err) + os.Exit(1) + } + } else { + // use env variables and shelly-proxy.ini file + if err := ff.Parse(flagset, os.Args[1:], + ff.WithEnvVarPrefix("shelly-proxy"), + ff.WithConfigFileFlag("config"), + ff.WithConfigFileParser(IniParser), + ); err != nil { + fmt.Fprintf(os.Stderr, "error: %v\n", err) + os.Exit(1) + } + } + + ss = &ShellyStatus{} + ss.Fetch() + + c := cron.New(cron.WithLocation(time.UTC)) + if _, err := c.AddFunc("@every 1m", func() { ss.Fetch() }); err != nil { + log.Fatalf("cron.AddFunc (%s)", err) + } + c.Start() + + gin.SetMode(gin.ReleaseMode) + r := gin.Default() + r.GET("/metrics", GetMetrics) + + r.Run(fmt.Sprintf(":%d", exporterPort)) +} + +func (s *ShellyStatus) Fetch() { + log.Printf("Fetching") + resp, err := http.Get(fmt.Sprintf("http://%d:%d/status", shellyHost, *shellyPort)) + if err != nil { + log.Fatalf("ShellyStatus.Fetch : http.Get (%s)", err) + } + + body, err := io.ReadAll(resp.Body) + if err != nil { + log.Fatalf("ShellyStatus.Fetch : io.ReadAll (%s)", err) + } + + if err = json.Unmarshal(body, s); err != nil { + log.Fatalf("ShellyStatus.Fetch : json.Unmarshal (%s)", err) + } + + log.Printf("Fetched") +} + +func GetMetrics(c *gin.Context) { + c.String(http.StatusOK, `# HELP shellyplug_power Current power drawn in watts +# TYPE shellyplug_power gauge +shellyplug_power %.2f +# HELP shellyplug_overpower Overpower drawn in watts/minute +# TYPE shellyplug_overpower gauge +shellyplug_overpower %.2f +# HELP shellyplug_total_power Total power consumed in watts/minute +# TYPE shellyplug_total_power counter +shellyplug_total_power %d +# HELP shellyplug_temperature Plug temperature in celsius +# TYPE shellyplug_temperature gauge +shellyplug_temperature %.2f +# HELP shellyplug_uptime Plug uptime in seconds +# TYPE shellyplug_uptime gauge +shellyplug_uptime %d +`, ss.Meters[0].Counters[0], float32(0), ss.Meters[0].Total, ss.Temperature, ss.Uptime) +} + +// IniParser is a parser for config files in classic key/value style format. Each +// line is tokenized as a single key/value pair. The first "=" delimited +// token in the line is interpreted as the flag name, and all remaining tokens +// are interpreted as the value. Any leading hyphens on the flag name are +// ignored. +func IniParser(r io.Reader, set func(name, value string) error) error { + s := bufio.NewScanner(r) + for s.Scan() { + line := strings.TrimSpace(s.Text()) + if line == "" { + continue // skip empties + } + + if line[0] == '#' || line[0] == ';' { + continue // skip comments + } + + var ( + name string + value string + index = strings.IndexRune(line, '=') + ) + if index < 0 { + name, value = line, "true" // boolean option + } else { + name, value = strings.TrimSpace(line[:index]), strings.Trim(strings.TrimSpace(line[index+1:]), "\"") + } + + if i := strings.Index(value, " #"); i >= 0 { + value = strings.TrimSpace(value[:i]) + } + + if err := set(name, value); err != nil { + return err + } + } + return nil +}