feat: add Docker support

.github/workflows/docker-publish.yml

@@ -0,0 +1,48 @@
+name: Docker Publish
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,16 @@
+FROM golang:1.21-alpine AS builder
+WORKDIR /app
+COPY . .
+RUN go mod download
+RUN go build -o redis-shake ./cmd/redis-shake
+
+FROM alpine:latest
+WORKDIR /app
+COPY --from=builder /app/redis-shake .
+COPY shake_sync_env.toml .
+COPY shake_scan_env.toml .
+COPY entrypoint.sh .
+
+RUN chmod +x entrypoint.sh
+
+ENTRYPOINT ["/bin/sh", "entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+if [ "$SYNC" = "true" ]; then
+    ./redis-shake shake_sync_env.toml
+elif [ "$SCAN" = "true" ]; then
+    ./redis-shake shake_scan_env.toml
+else
+    echo "Error: Neither SYNC nor SCAN environment variable is set to true"
+    exit 1
+fi

go.mod

@@ -8,25 +8,31 @@ require (
 	github.com/gofrs/flock v0.8.1
 	github.com/mcuadros/go-defaults v1.2.0
 	github.com/rs/zerolog v1.28.0
-	github.com/spf13/viper v1.15.0
+	github.com/spf13/viper v1.18.1
 	github.com/yuin/gopher-lua v0.0.0-20220504180219-658193537a64
 )
 
 require (
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/a8m/envsubst v1.4.2 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
-	github.com/mattn/go-colorable v0.1.12 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
-	github.com/spf13/afero v1.9.3 // indirect
-	github.com/spf13/cast v1.5.0 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // 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 v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.4.2 // indirect
-	golang.org/x/sys v0.12.0 // indirect
-	golang.org/x/text v0.12.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

internal/config/config.go

@@ -1,26 +1,28 @@
 package config
 
 import (
+	"bytes"
 	"fmt"
 	"os"
 	"strings"
 
 	"RedisShake/internal/log"
 
+	"github.com/a8m/envsubst"
 	"github.com/mcuadros/go-defaults"
 	"github.com/rs/zerolog"
 	"github.com/spf13/viper"
 )
 
 type FilterOptions struct {
-	AllowKeyPrefix []string `mapstructure:"allow_key_prefix" default:"[]"`
-	AllowKeySuffix []string `mapstructure:"allow_key_suffix" default:"[]"`
-	BlockKeyPrefix []string `mapstructure:"block_key_prefix" default:"[]"`
-	BlockKeySuffix []string `mapstructure:"block_key_suffix" default:"[]"`
-	AllowDB        []int    `mapstructure:"allow_db" default:"[]"`
-	BlockDB        []int    `mapstructure:"block_db" default:"[]"`
-	AllowCommand   []string `mapstructure:"allow_command" default:"[]"`
-	BlockCommand   []string `mapstructure:"block_command" default:"[]"`
+	AllowKeyPrefix    []string `mapstructure:"allow_key_prefix" default:"[]"`
+	AllowKeySuffix    []string `mapstructure:"allow_key_suffix" default:"[]"`
+	BlockKeyPrefix    []string `mapstructure:"block_key_prefix" default:"[]"`
+	BlockKeySuffix    []string `mapstructure:"block_key_suffix" default:"[]"`
+	AllowDB           []int    `mapstructure:"allow_db" default:"[]"`
+	BlockDB           []int    `mapstructure:"block_db" default:"[]"`
+	AllowCommand      []string `mapstructure:"allow_command" default:"[]"`
+	BlockCommand      []string `mapstructure:"block_command" default:"[]"`
 	AllowCommandGroup []string `mapstructure:"allow_command_group" default:"[]"`
 	BlockCommandGroup []string `mapstructure:"block_command_group" default:"[]"`
 	Function          string   `mapstructure:"function" default:""`
@@ -73,7 +75,7 @@ func (opt *AdvancedOptions) GetPSyncCommand(address string) string {
 }
 
 type ShakeOptions struct {
-	Filter FilterOptions
+	Filter   FilterOptions
 	Advanced AdvancedOptions
 	Module   ModuleOptions
 }
@@ -97,18 +99,20 @@ func LoadConfig() *viper.Viper {
 	if len(os.Args) == 2 {
 		logger.Info().Msgf("load config from file: %s", os.Args[1])
 		configFile := os.Args[1]
-		v.SetConfigFile(configFile)
-		err := v.ReadInConfig()
+		buf, err := envsubst.ReadFile(configFile)
 		if err != nil {
-			panic(err)
+			logger.Error().Msgf("failed to read config file: %v", err)
+			os.Exit(1)
 		}
-	}
-
-	// load config from environment variables
-	if len(os.Args) == 1 {
-		logger.Warn().Msg("load config from environment variables")
-		v.SetConfigType("env")
-		v.AutomaticEnv()
+		v.SetConfigType("toml")
+		err = v.ReadConfig(bytes.NewReader(buf))
+		if err != nil {
+			logger.Error().Msgf("failed to read config file: %v", err)
+			os.Exit(1)
+		}
+	} else {
+		logger.Error().Msg("config file not found")
+		os.Exit(1)
 	}
 
 	// unmarshal config

shake_scan_env.toml

@@ -0,0 +1,5 @@
+[scan_reader]
+address = "${SHAKE_SRC_ADDRESS}" # export SHAKE_SRC_ADDRESS=127.0.0.1:6379
+
+[redis_writer]
+address = "${SHAKE_DST_ADDRESS}" # export SHAKE_DST_ADDRESS=127.0.0.1:6380

shake_sync_env.toml

@@ -0,0 +1,5 @@
+[sync_reader]
+address = "${SHAKE_SRC_ADDRESS}" # export SHAKE_SRC_ADDRESS=127.0.0.1:6379
+
+[redis_writer]
+address = "${SHAKE_DST_ADDRESS}" # export SHAKE_DST_ADDRESS=127.0.0.1:6380