feat: first commit

2025-12-22 10:47:07 +00:00 · 2020-05-06 01:43:22 +02:00
commit 9fe6d03f0a
10 changed files with 765 additions and 0 deletions
--- a/41
+++ b/41
@@ -0,0 +1,41 @@
+ARG GIT_DESCR=0.0.0
+############################
+# STEP 1 build executable binary
+############################
+FROM golang:alpine AS builder
+# Install git.
+# Git is required for fetching the dependencies.
+RUN apk update && apk add --no-cache git curl unzip
+# build the location db
+WORKDIR /tz
+# clone the timezoneLookup repo
+RUN go get github.com/evanoberholster/timezoneLookup
+## && go build github.com/evanoberholster/timezoneLookup/cmd/timezone.go
+# download the location file 
+RUN curl -LO https://github.com/evansiroky/timezone-boundary-builder/releases/download/2020a/timezones-with-oceans.geojson.zip
+RUN unzip timezones-with-oceans.geojson.zip 
+# build the database
+
+RUN go run /go/src/github.com/evanoberholster/timezoneLookup/cmd/timezone.go -json "/tz/dist/combined-with-oceans.json" -db=/timezone -type=boltdb
+RUN ls /
+
+# checkout the project 
+WORKDIR /builder
+COPY . .
+# Fetch dependencies.
+# Using go get.
+RUN go get -d -v
+# Build the binary.
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o /geo2tz -ldflags="-s -w -extldflags \"-static\" -X main.Version=${GIT_DESCR}"
+############################
+# STEP 2 build a small image
+############################
+FROM scratch
+# Copy our static executable.
+COPY --from=builder /timezone.snap.db /
+COPY --from=builder /geo2tz /
+# Copy the temlates folder
+# COPY templates /templates
+# Run the hello binary.
+ENTRYPOINT [ "/geo2tz" ]
+CMD [ "start" ]
--- a/21
+++ b/21
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2020 Andrea Giacobino <no.andrea@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
--- a/84
+++ b/84
@@ -0,0 +1,84 @@
+GOFILES = $(shell find . -name '*.go' -not -path './vendor/*')
+GOPACKAGES = $(shell go list ./...  | grep -v /vendor/)
+GIT_DESCR = $(shell git describe --tags --always) 
+APP=geo2tz
+# build output folder
+OUTPUTFOLDER = dist
+# docker image
+DOCKER_REGISTRY = apeunit
+DOCKER_IMAGE = geo2tz
+DOCKER_TAG = $(shell git describe --always --tags)
+# build paramters
+OS = linux
+ARCH = amd64
+# K8S
+K8S_NAMESPACE = geo
+K8S_DEPLOYMENT = geo2tz
+
+.PHONY: list
+list:
+	@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$' | xargs
+
+default: build
+
+workdir:
+	mkdir -p dist
+
+build: build-dist
+
+build-dist: $(GOFILES)
+	@echo build binary to $(OUTPUTFOLDER)
+	GOOS=$(OS) GOARCH=$(ARCH) CGO_ENABLED=0 go build -ldflags "-X main.Version=$(GIT_DESCR)" -o $(OUTPUTFOLDER)/$(APP) .
+	@echo copy resources
+	cp -r README.md LICENSE $(OUTPUTFOLDER)
+	@echo done
+
+test: test-all
+
+test-all:
+	@go test -v $(GOPACKAGES) -coverprofile .testCoverage.txt
+
+bench: bench-all
+
+bench-all:
+	@go test -bench -v $(GOPACKAGES)
+
+lint: lint-all
+
+lint-all:
+	@golint -set_exit_status $(GOPACKAGES)
+
+clean:
+	@echo remove $(OUTPUTFOLDER) folder
+	@rm -rf dist
+	@echo done
+
+docker: docker-build
+
+docker-build:
+	@echo copy resources
+	docker build --build-arg GIT_DESCR=$(GIT_DESCR) -t $(DOCKER_IMAGE)  .
+	@echo done
+
+docker-push:
+	@echo push image
+	docker tag $(DOCKER_IMAGE):latest $(DOCKER_REGISTRY)/$(DOCKER_IMAGE):$(DOCKER_TAG)
+	docker push $(DOCKER_REGISTRY)/$(DOCKER_IMAGE):$(DOCKER_TAG)
+	@echo done
+
+docker-run: 
+	docker run -p 2004:2004 $(DOCKER_IMAGE):latest
+
+debug-start:
+	@go run main.go start
+
+k8s-deploy:
+	@echo deploy k8s
+	kubectl -n $(K8S_NAMESPACE) set image deployment/$(K8S_DEPLOYMENT) $(DOCKER_IMAGE)=$(DOCKER_REGISTRY)/$(DOCKER_IMAGE):$(DOCKER_TAG)
+	@echo done
+
+k8s-rollback:
+	@echo deploy k8s
+	kubectl -n $(K8S_NAMESPACE) rollout undo deployment/$(K8S_DEPLOYMENT)
+	@echo done
+
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -0,0 +1,99 @@
+/*
+Copyright © 2020 Andrea Giacobino <no.andrea@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/noandrea/geo2tz/server"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+var debug bool
+var settings server.ConfigSchema
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "geo2tz",
+	Short: "A rest API service to get the timezone from geo coordinates",
+	Long: `Throwing around coordinates to online services seems like not 
+  a great idea privacy wise.`,
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute(v string) {
+	rootCmd.Version = v
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is /etc/geo2tz/config.yaml)")
+	// for debug logging
+	rootCmd.PersistentFlags().BoolVar(&debug, "debug", false, "Enable debug mode")
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if debug {
+		// Only log the warning severity or above.
+		log.SetLevel(log.DebugLevel)
+	}
+	if cfgFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(cfgFile)
+	} else {
+		viper.AddConfigPath("/etc/geo2tz")
+		viper.SetConfigName("config")
+	}
+
+	viper.AutomaticEnv() // read in environment variables that match
+	server.Defaults()
+
+	// If a config file is found, read it in, else use the defaults
+	if err := viper.ReadInConfig(); err == nil {
+		viper.Unmarshal(&settings)
+		server.Validate(&settings)
+		log.Println("Using config file at ", viper.ConfigFileUsed())
+	} else {
+		switch err.(type) {
+		case viper.ConfigFileNotFoundError:
+			viper.Unmarshal(&settings)
+		}
+	}
+	// make the version available via settings
+	settings.RuntimeVersion = rootCmd.Version
+	log.Debug(fmt.Sprintf("config %#v", settings))
+}
--- a/cmd/start.go
+++ b/cmd/start.go
@@ -0,0 +1,79 @@
+/*
+Copyright © 2020 NAME HERE <EMAIL ADDRESS>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"os/signal"
+
+	"github.com/noandrea/geo2tz/server"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+// startCmd represents the start command
+var startCmd = &cobra.Command{
+	Use:   "start",
+	Short: "A brief description of your command",
+	Long: `A longer description that spans multiple lines and likely contains examples
+and usage of using your command. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	Run: start,
+}
+
+func init() {
+	rootCmd.AddCommand(startCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// startCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// startCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+func start(cmd *cobra.Command, args []string) {
+	fmt.Printf(`
+  _____           ___  _       
+ / ____|         |__ \| |      
+| |  __  ___  ___   ) | |_ ____
+| | |_ |/ _ \/ _ \ / /| __|_  /
+| |__| |  __/ (_) / /_| |_ / / 
+ \_____|\___|\___/____|\__/___| version %s
+`, rootCmd.Version)
+	// Start server
+	go func() {
+		if err := server.Start(settings); err != nil {
+			log.Error("Error starting the server ", err)
+			return
+		}
+	}()
+
+	// Wait for interrupt signal to gracefully shutdown the server with
+	// a timeout of 10 seconds.
+	quit := make(chan os.Signal)
+	signal.Notify(quit, os.Interrupt)
+	<-quit
+	server.Teardown()
+	fmt.Print("Goodbye")
+}
--- a/go.mod
+++ b/go.mod
@@ -0,0 +1,20 @@
+module github.com/noandrea/geo2tz
+
+go 1.13
+
+require (
+	github.com/evanoberholster/timezoneLookup v0.0.0-20190926092755-58040732034d
+	github.com/golang/snappy v0.0.1 // indirect
+	github.com/labstack/echo v3.3.10+incompatible
+	github.com/labstack/gommon v0.3.0 // indirect
+	github.com/mattn/go-colorable v0.1.6 // indirect
+	github.com/prometheus/common v0.4.0
+	github.com/sirupsen/logrus v1.2.0
+	github.com/spf13/cobra v1.0.0
+	github.com/spf13/viper v1.6.3
+	github.com/valyala/fasttemplate v1.1.0 // indirect
+	github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect
+	golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d // indirect
+	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b // indirect
+	golang.org/x/text v0.3.2 // indirect
+)
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,221 @@
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--- a/main.go
+++ b/main.go
@@ -0,0 +1,31 @@
+/*
+Copyright © 2020 Andrea Giacobino <no.andrea@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package main
+
+import "github.com/noandrea/geo2tz/cmd"
+
+// Version hold the version of the program
+var Version = "0.0.0"
+
+func main() {
+	cmd.Execute(Version)
+}
--- a/server/config.go
+++ b/server/config.go
@@ -0,0 +1,64 @@
+package server
+
+import (
+	"github.com/spf13/viper"
+)
+
+// TzSchema configuration
+type TzSchema struct {
+	DatabaseType       string `mapstructure:"database_type"`
+	DatabaseName       string `mapstructure:"database_name"`
+	Snappy             bool   `mapstructure:"snappy"`
+	Encoding           string `mapstructure:"encoding"`
+	DownloadTzData     bool   `mapstructure:"download_tz_data"`
+	DownloadTzDataURL  string `mapstructure:"download_tz_data_url"`
+	DownloadTzFilename string `mapstructure:"download_tz_filename"`
+}
+
+// WebSchema configuration
+type WebSchema struct {
+	ListenAddress   string `mapstructure:"listen_address,omitempty"`
+	AuthEnable      bool   `mapstructure:"auth_enable,omitempty"`
+	AuthTokenHeader string `mapstructure:"auth_token_header,omitempty"`
+	AuthTokenParam  string `mapstructure:"auth_token_param,omitempty"`
+	TLSEnable       bool   `mapstructure:"tls_enable,omitempty"`
+	TLSHost         string `mapstructure:"tls_host,omitempty"`
+	TLSEmail        string `mapstructure:"tls_email,omitempty"`
+}
+
+// ConfigSchema main configuration for the news room
+type ConfigSchema struct {
+	Tz             TzSchema  `mapstructure:"tz"`
+	Web            WebSchema `mapstructure:"web"`
+	RuntimeVersion string    `mapstructure:"-"`
+}
+
+// Defaults configure defaults
+func Defaults() {
+	// tz defaults
+	viper.SetDefault("tz.database_type", "boltdb")
+	viper.SetDefault("tz.database_name", "timezone")
+	viper.SetDefault("tz.snappy", true)
+	viper.SetDefault("tz.encoding", "msgpack")
+	viper.SetDefault("tz.download_tz_data", true)
+	viper.SetDefault("tz.download_tz_data_url", "https://api.github.com/repos/evansiroky/timezone-boundary-builder/releases/latest")
+	viper.SetDefault("tz.download_tz_filename", "timezones.geojson.zip")
+
+	// web
+	viper.SetDefault("web.listen_address", ":2004")
+	viper.SetDefault("web.auth_enable", true)
+	viper.SetDefault("web.auth_token_header", "Geo2TzAuthToken")
+	viper.SetDefault("web.auth_token_param", "t")
+	viper.SetDefault("web.tls_enable", false)
+	viper.SetDefault("web.tls_host", "http://localhost:8080")
+	viper.SetDefault("web.tls_email", "")
+}
+
+// Validate a configuration
+func Validate(schema *ConfigSchema) (err []error) {
+	// TODO: implement this one
+	return
+}
+
+// Settings general settings
+var Settings ConfigSchema
--- a/server/server.go
+++ b/server/server.go
@@ -0,0 +1,105 @@
+package server
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/evanoberholster/timezoneLookup"
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/middleware"
+)
+
+// constant valuses for lat / lon
+const (
+	Latitude  = "lat"
+	Longitude = "lon"
+)
+
+var (
+	tz timezoneLookup.TimezoneInterface
+	e  *echo.Echo
+)
+
+// Start starts the web server
+func Start(config ConfigSchema) (err error) {
+	// open the database
+	tz, err := timezoneLookup.LoadTimezones(
+		timezoneLookup.Config{
+			DatabaseType: config.Tz.DatabaseType, // memory or boltdb
+			DatabaseName: config.Tz.DatabaseName, // Name without suffix
+			Snappy:       config.Tz.Snappy,
+			Encoding:     config.Tz.Encoding, // json or msgpack
+		})
+	if err != nil {
+		return
+	}
+	// echo start
+	e = echo.New()
+	e.Use(middleware.CORS())
+	e.Use(middleware.Logger())
+	e.Use(middleware.Recover())
+	// logger
+	e.GET("/tz/:lat/:lon", func(c echo.Context) (err error) {
+		//parse latitude
+		lat, err := parseCoordinate(c.Param(Latitude), Latitude)
+		if err != nil {
+			return c.JSON(http.StatusBadRequest, map[string]interface{}{"message": err})
+		}
+		//parse longitude
+		lon, err := parseCoordinate(c.Param(Longitude), Longitude)
+		if err != nil {
+			return c.JSON(http.StatusBadRequest, map[string]interface{}{"message": err})
+		}
+		// build coordinates object
+		coords := timezoneLookup.Coord{
+			Lat: float32(lat),
+			Lon: float32(lon),
+		}
+		// query the coordinates
+		res, err := tz.Query(coords)
+		if err != nil {
+			return c.JSON(http.StatusInternalServerError, map[string]interface{}{"message": err})
+		}
+		return c.JSON(http.StatusOK, map[string]interface{}{"tz": res, "coords": coords})
+	})
+	err = e.Start(config.Web.ListenAddress)
+	return
+}
+
+func parseCoordinate(val, side string) (float32, error) {
+	if len(strings.TrimSpace(val)) == 0 {
+		return 0, fmt.Errorf("Empty coordinate value")
+	}
+	c, err := strconv.ParseFloat(val, 32)
+	if err != nil {
+		return 0, fmt.Errorf("invalid type for %s, a number is required (eg. 45.3123)", side)
+	}
+	switch side {
+	case Latitude:
+		if c < -90 || c > 90 {
+			return 0, fmt.Errorf("%s value %s out of range (-90/+90)", side, val)
+		}
+	case Longitude:
+		if c < -180 || c > 180 {
+			return 0, fmt.Errorf("%s value %s out of range (-180/+180)", side, val)
+		}
+	}
+	return float32(c), nil
+}
+
+// Teardown gracefully release resources
+func Teardown() (err error) {
+	if tz != nil {
+		tz.Close()
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	if e != nil {
+		err = e.Shutdown(ctx)
+	}
+	return
+}