add merge tests

cleanup code
skip arm for darwin and windows

.github/workflows/publish.yml

@@ -0,0 +1,44 @@
+name: quay
+
+on:
+  push:
+    branches: main
+  release:
+    types:
+      - published
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to Quay
+        uses: docker/login-action@v1
+        with:
+          registry: quay.io
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      - name: Build and push ${{github.event.release.tag_name }}
+        id: docker_build_release
+        uses: docker/build-push-action@v2
+        if: ${{ github.event.release.tag_name != '' }}
+        with:
+          push: true
+          tags: quay.io/bakito/adguardhome-sync:latest,quay.io/bakito/adguardhome-sync:${{ github.event.release.tag_name }}
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          build-args: VERSION=${{ github.event.release.tag_name }}
+
+      - name: Build and push main
+        id: docker_build_main
+        uses: docker/build-push-action@v2
+        if: ${{ github.event.release.tag_name == '' }}
+        with:
+          push: true
+          tags: quay.io/bakito/adguardhome-sync:main
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          build-args: VERSION=main
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.goreleaser.yml

@@ -1,29 +1,38 @@
 # This is an example goreleaser.yaml file with some sane defaults.
 # Make sure to check the documentation at http://goreleaser.com
 builds:
-- env:
-  - CGO_ENABLED=0
-  ldflags:
-    - -s -w -X github.com/bakito/adguardhome-sync/version.Version={{.Version}}
-  goos:
-  - linux
-  - windows
-  - darwin
-  goarch:
-    - 386
-    - amd64
-    - arm
-    - arm64
-  goarm:
-    - 5
-    - 6
-    - 7
-  hooks:
-    post: upx {{ .Path }}
+  - env:
+      - CGO_ENABLED=0
+    ldflags:
+      - -s -w -X github.com/bakito/adguardhome-sync/version.Version={{.Version}}
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - 386
+      - amd64
+      - arm
+      - arm64
+    goarm:
+      - 5
+      - 6
+      - 7
+    ignore:
+      - goos: darwin
+        goarch: arm
+      - goos: darwin
+        goarch: arm64
+      - goos: windows
+        goarch: arm
+      - goos: windows
+        goarch: arm64
+    hooks:
+      post: upx {{ .Path }}
 archives:
-- replacements:
-    386: i386
-    amd64: x86_64
+  - replacements:
+      386: i386
+      amd64: x86_64
 checksum:
   name_template: 'checksums.txt'
 snapshot:
@@ -32,5 +41,5 @@ changelog:
   sort: asc
   filters:
     exclude:
-    - '^docs:'
-    - '^test:'
+      - '^docs:'
+      - '^test:'

Dockerfile

@@ -0,0 +1,27 @@
+FROM docker.io/library/golang:1.16 as builder
+
+WORKDIR /go/src/app
+
+RUN apt-get update && apt-get install -y upx
+
+ARG VERSION=main
+ENV GOPROXY=https://goproxy.io \
+  GO111MODULE=on \
+  CGO_ENABLED=0 \
+  GOOS=linux
+
+ADD . /go/src/app/
+
+RUN go build -a -installsuffix cgo -ldflags="-w -s -X github.com/bakito/adguardhome-sync/version.Version=${VERSION}" -o adguardhome-sync . \
+  && upx -q adguardhome-sync
+
+# application image
+FROM scratch
+WORKDIR /opt/go
+
+LABEL maintainer="bakito <github@bakito.ch>"
+EXPOSE 8080
+ENTRYPOINT ["/opt/go/adguardhome-sync"]
+CMD ["run", "--config", "/config/adguardhome-sync.yaml"]
+COPY --from=builder /go/src/app/adguardhome-sync  /opt/go/adguardhome-sync
+USER 1001

README.md

@@ -1,5 +1,6 @@
-[![Go](https://github.com/bakito/adguardhome-sync/actions/workflows/go.yml/badge.svg)](https://github.com/bakito/adguardhome-sync/actions/workflows/go.yml) [![Go Report Card](https://goreportcard.com/badge/github.com/bakito/adguardhome-sync)](https://goreportcard.com/report/github.com/bakito/adguardhome-sync)
-
+[![Go](https://github.com/bakito/adguardhome-sync/actions/workflows/go.yml/badge.svg)](https://github.com/bakito/adguardhome-sync/actions/workflows/go.yml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/bakito/adguardhome-sync)](https://goreportcard.com/report/github.com/bakito/adguardhome-sync)
+[![Coverage Status](https://coveralls.io/repos/github/bakito/adguardhome-sync/badge.svg?branch=main)](https://coveralls.io/github/bakito/adguardhome-sync?branch=main)
 # AdGuardHome sync
 
 Synchronize [AdGuardHome](https://github.com/AdguardTeam/AdGuardHome) config to a replica instance.
@@ -18,6 +19,10 @@ Synchronize [AdGuardHome](https://github.com/AdguardTeam/AdGuardHome) config to
 go get -u github.com/bakito/adguardhome-sync
 ```
 
+## Prerequisites
+
+Both the origin and replica mist be initially setup via the Adguard Home installation wizard.
+
 ## Run
 
 ```bash
@@ -36,6 +41,61 @@ adguardhome-sync run
 adguardhome-sync run --cron "*/10 * * * *"
 ```
 
+## docker cli
+
+```bash
+docker run -d \
+  --name=adguardhome-sync \
+  -p 8080:8080 \
+  -v /path/to/appdata/config/adguardhome-sync.yaml:/config/adguardhome-sync.yaml \
+  --restart unless-stopped \
+  quay.io/bakito/adguardhome-sync:latest
+```
+
+## docker compose
+
+### config file
+```yaml
+---
+version: "2.1"
+services:
+  adguardhome-sync:
+    image: quay.io/bakito/adguardhome-sync
+    container_name: adguardhome-sync
+    volumes:
+      - /path/to/appdata/config/adguardhome-sync.yaml:/config/adguardhome-sync.yaml
+    ports:
+      - 8080:8080
+    restart: unless-stopped
+```
+
+### env
+
+```yaml
+---
+version: "2.1"
+services:
+  adguardhome-sync:
+    image: quay.io/bakito/adguardhome-sync
+    container_name: adguardhome-sync
+    command: run
+    environment:
+      - ORIGIN_URL=https://192.168.1.2:3000
+      - ORIGIN_USERNAME=username
+      - ORIGIN_PASSWORD=password
+      - REPLICA_URL=http://192.168.1.3
+      - REPLICA_USERNAME=username
+      - REPLICA_PASSWORD=password
+      - REPLICA1_URL=http://192.168.1.4
+      - REPLICA1_USERNAME=username
+      - REPLICA1_PASSWORD=password
+      - REPLICA1_APIPATH=/some/path/control
+      - CRON=*/10 * * * * # run every 10 minutes
+    ports:
+      - 8080:8080
+    restart: unless-stopped
+```
+
 ### Config file
 
 location: $HOME/.adguardhome-sync.yaml

cmd/root.go

@@ -3,13 +3,13 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"regexp"
 	"strings"
 
 	"github.com/bakito/adguardhome-sync/pkg/log"
-
-	"github.com/spf13/cobra"
-
+	"github.com/bakito/adguardhome-sync/pkg/types"
 	homedir "github.com/mitchellh/go-homedir"
+	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
 
@@ -31,11 +31,17 @@ const (
 	configReplicaUsername           = "replica.username"
 	configReplicaPassword           = "replica.password"
 	configReplicaInsecureSkipVerify = "replica.insecureSkipVerify"
+
+	envReplicasUsernameFormat           = "REPLICA%s_USERNAME"
+	envReplicasPasswordFormat           = "REPLICA%s_PASSWORD"
+	envReplicasAPIPathFormat            = "REPLICA%s_APIPATH"
+	envReplicasInsecureSkipVerifyFormat = "REPLICA%s_INSECURESKIPVERIFY"
 )
 
 var (
-	cfgFile string
-	logger  = log.GetLogger("root")
+	cfgFile               string
+	logger                = log.GetLogger("root")
+	envReplicasURLPattern = regexp.MustCompile(`^REPLICA(\d+)_URL=(.*)`)
 )
 
 // rootCmd represents the base command when called without any subcommands
@@ -83,13 +89,47 @@ func initConfig() {
 		// Search config in home directory with name ".adguardhome-sync" (without extension).
 		viper.AddConfigPath(home)
 		viper.SetConfigName(".adguardhome-sync")
-		viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_", ".", "_"))
 	}
-
+	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_", ".", "_"))
 	viper.AutomaticEnv() // read in environment variables that match
 
 	// If a config file is found, read it in.
 	if err := viper.ReadInConfig(); err == nil {
 		logger.Info("Using config file:", viper.ConfigFileUsed())
+	} else if cfgFile != "" {
+		fmt.Println(err)
+		os.Exit(1)
 	}
 }
+
+func getConfig() (*types.Config, error) {
+	cfg := &types.Config{}
+	if err := viper.Unmarshal(cfg); err != nil {
+		return nil, err
+	}
+
+	if len(cfg.Replicas) == 0 {
+		cfg.Replicas = append(cfg.Replicas, collectEnvReplicas()...)
+	}
+	return cfg, nil
+}
+
+// Manually collect replicas from env.
+func collectEnvReplicas() []types.AdGuardInstance {
+	var replicas []types.AdGuardInstance
+	for _, v := range os.Environ() {
+		if envReplicasURLPattern.MatchString(v) {
+			sm := envReplicasURLPattern.FindStringSubmatch(v)
+			re := types.AdGuardInstance{
+				URL:                sm[2],
+				Username:           os.Getenv(fmt.Sprintf(envReplicasUsernameFormat, sm[1])),
+				Password:           os.Getenv(fmt.Sprintf(envReplicasPasswordFormat, sm[1])),
+				APIPath:            os.Getenv(fmt.Sprintf(envReplicasAPIPathFormat, sm[1])),
+				InsecureSkipVerify: strings.EqualFold(os.Getenv(fmt.Sprintf(envReplicasInsecureSkipVerifyFormat, sm[1])), "true"),
+			}
+			replicas = append(replicas, re)
+		}
+	}
+
+	return replicas
+}

cmd/run.go

@@ -3,10 +3,8 @@ package cmd
 import (
 	"github.com/bakito/adguardhome-sync/pkg/log"
 	"github.com/bakito/adguardhome-sync/pkg/sync"
-	"github.com/bakito/adguardhome-sync/pkg/types"
-	"github.com/spf13/viper"
-
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 )
 
 // runCmd represents the run command
@@ -14,15 +12,15 @@ var doCmd = &cobra.Command{
 	Use:   "run",
 	Short: "Start a synchronisation from origin to replica",
 	Long:  `Synchronizes the configuration form an origin instance to a replica`,
-	Run: func(cmd *cobra.Command, args []string) {
+	RunE: func(cmd *cobra.Command, args []string) error {
 		logger = log.GetLogger("run")
-		cfg := &types.Config{}
-		if err := viper.Unmarshal(cfg); err != nil {
+		cfg, err := getConfig()
+		if err != nil {
 			logger.Error(err)
-			return
+			return err
 		}
 
-		sync.Sync(cfg)
+		return sync.Sync(cfg)
 	},
 }
 

go.mod

@@ -3,8 +3,11 @@ module github.com/bakito/adguardhome-sync
 go 1.16
 
 require (
-	github.com/go-resty/resty/v2 v2.5.0
+	github.com/go-resty/resty/v2 v2.4.0
+	github.com/google/uuid v1.2.0
 	github.com/mitchellh/go-homedir v1.1.0
+	github.com/onsi/ginkgo v1.16.0
+	github.com/onsi/gomega v1.11.0
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/viper v1.7.1

go.sum

@@ -38,16 +38,18 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-resty/resty/v2 v2.5.0 h1:WFb5bD49/85PO7WgAjZ+/TJQ+Ty1XOcWEfD1zIFCM1c=
-github.com/go-resty/resty/v2 v2.5.0/go.mod h1:B88+xCTEwvfD94NOuE6GS1wMlnoKNY8eEiNizfNwOwA=
+github.com/go-resty/resty/v2 v2.4.0 h1:s6TItTLejEI+2mn98oijC5w/Rk2YU+OA6x0mnZN6r6k=
+github.com/go-resty/resty/v2 v2.4.0/go.mod h1:B88+xCTEwvfD94NOuE6GS1wMlnoKNY8eEiNizfNwOwA=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -58,14 +60,26 @@ github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFU
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
+github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
@@ -95,6 +109,7 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
@@ -131,7 +146,18 @@ github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
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 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
@@ -183,12 +209,14 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
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 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
@@ -208,6 +236,8 @@ golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -227,8 +257,11 @@ golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
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+golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -241,6 +274,9 @@ golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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+golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210119194325-5f4716e94777 h1:003p0dJM77cxMSyCPFphvZf/Y5/NXf5fzg6ufd1/Oew=
 golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
@@ -252,9 +288,11 @@ golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -265,8 +303,14 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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@@ -293,9 +337,15 @@ golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -317,18 +367,29 @@ google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvx
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+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
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 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

pkg/client/client.go

@@ -2,7 +2,9 @@ package client
 
 import (
 	"crypto/tls"
+	"errors"
 	"fmt"
+	"net/http"
 	"net/url"
 	"path"
 
@@ -16,6 +18,7 @@ var (
 	l = log.GetLogger("client")
 )
 
+// New create a new client
 func New(config types.AdGuardInstance) (Client, error) {
 
 	var apiURL string
@@ -46,6 +49,7 @@ func New(config types.AdGuardInstance) (Client, error) {
 	}, nil
 }
 
+// Client AdGuard Home API client interface
 type Client interface {
 	Host() string
 
@@ -59,6 +63,7 @@ type Client interface {
 	ToggleFiltering(enabled bool, interval int) error
 	AddFilters(whitelist bool, e ...types.Filter) error
 	DeleteFilters(whitelist bool, e ...types.Filter) error
+	UpdateFilters(whitelist bool, e ...types.Filter) error
 	RefreshFilters(whitelist bool) error
 	SetCustomRules(rules types.UserRules) error
 
@@ -92,23 +97,46 @@ type client struct {
 func (cl *client) Host() string {
 	return cl.host
 }
+
+func (cl *client) doGet(req *resty.Request, url string) error {
+	resp, err := req.Get(url)
+	if err != nil {
+		return err
+	}
+	if resp.StatusCode() != http.StatusOK {
+		return errors.New(resp.Status())
+	}
+	return nil
+}
+
+func (cl *client) doPost(req *resty.Request, url string) error {
+	resp, err := req.Post(url)
+	if err != nil {
+		return err
+	}
+	if resp.StatusCode() != http.StatusOK {
+		return errors.New(resp.Status())
+	}
+	return nil
+}
+
 func (cl *client) Status() (*types.Status, error) {
 	status := &types.Status{}
-	_, err := cl.client.R().EnableTrace().SetResult(status).Get("status")
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(status), "status")
 	return status, err
 
 }
 
 func (cl *client) RewriteList() (*types.RewriteEntries, error) {
 	rewrites := &types.RewriteEntries{}
-	_, err := cl.client.R().EnableTrace().SetResult(&rewrites).Get("/rewrite/list")
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(&rewrites), "/rewrite/list")
 	return rewrites, err
 }
 
 func (cl *client) AddRewriteEntries(entries ...types.RewriteEntry) error {
 	for _, e := range entries {
 		cl.log.With("domain", e.Domain, "answer", e.Answer).Info("Add rewrite entry")
-		_, err := cl.client.R().EnableTrace().SetBody(&e).Post("/rewrite/add")
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(&e), "/rewrite/add")
 		if err != nil {
 			return err
 		}
@@ -119,7 +147,7 @@ func (cl *client) AddRewriteEntries(entries ...types.RewriteEntry) error {
 func (cl *client) DeleteRewriteEntries(entries ...types.RewriteEntry) error {
 	for _, e := range entries {
 		cl.log.With("domain", e.Domain, "answer", e.Answer).Info("Delete rewrite entry")
-		_, err := cl.client.R().EnableTrace().SetBody(&e).Post("/rewrite/delete")
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(&e), "/rewrite/delete")
 		if err != nil {
 			return err
 		}
@@ -153,7 +181,7 @@ func (cl *client) ToggleSafeSearch(enable bool) error {
 
 func (cl *client) toggleStatus(mode string) (bool, error) {
 	fs := &types.EnableConfig{}
-	_, err := cl.client.R().EnableTrace().SetResult(fs).Get(fmt.Sprintf("/%s/status", mode))
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(fs), fmt.Sprintf("/%s/status", mode))
 	return fs.Enabled, err
 }
 
@@ -165,13 +193,12 @@ func (cl *client) toggleBool(mode string, enable bool) error {
 	} else {
 		target = "disable"
 	}
-	_, err := cl.client.R().EnableTrace().Post(fmt.Sprintf("/%s/%s", mode, target))
-	return err
+	return cl.doPost(cl.client.R().EnableTrace(), fmt.Sprintf("/%s/%s", mode, target))
 }
 
 func (cl *client) Filtering() (*types.FilteringStatus, error) {
 	f := &types.FilteringStatus{}
-	_, err := cl.client.R().EnableTrace().SetResult(f).Get("/filtering/status")
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(f), "/filtering/status")
 	return f, err
 }
 
@@ -179,7 +206,7 @@ func (cl *client) AddFilters(whitelist bool, filters ...types.Filter) error {
 	for _, f := range filters {
 		cl.log.With("url", f.URL, "whitelist", whitelist).Info("Add filter")
 		ff := &types.Filter{Name: f.Name, URL: f.URL, Whitelist: whitelist}
-		_, err := cl.client.R().EnableTrace().SetBody(ff).Post("/filtering/add_url")
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(ff), "/filtering/add_url")
 		if err != nil {
 			return err
 		}
@@ -191,7 +218,19 @@ func (cl *client) DeleteFilters(whitelist bool, filters ...types.Filter) error {
 	for _, f := range filters {
 		cl.log.With("url", f.URL, "whitelist", whitelist).Info("Delete filter")
 		ff := &types.Filter{URL: f.URL, Whitelist: whitelist}
-		_, err := cl.client.R().EnableTrace().SetBody(ff).Post("/filtering/remove_url")
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(ff), "/filtering/remove_url")
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (cl *client) UpdateFilters(whitelist bool, filters ...types.Filter) error {
+	for _, f := range filters {
+		cl.log.With("url", f.URL, "whitelist", whitelist).Info("Update filter")
+		fu := &types.FilterUpdate{Whitelist: whitelist, URL: f.URL, Data: types.Filter{ID: f.ID, Name: f.Name, URL: f.URL, Whitelist: whitelist, Enabled: f.Enabled}}
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(fu), "/filtering/set_url")
 		if err != nil {
 			return err
 		}
@@ -201,53 +240,48 @@ func (cl *client) DeleteFilters(whitelist bool, filters ...types.Filter) error {
 
 func (cl *client) RefreshFilters(whitelist bool) error {
 	cl.log.With("whitelist", whitelist).Info("Refresh filter")
-	_, err := cl.client.R().EnableTrace().SetBody(&types.RefreshFilter{Whitelist: whitelist}).Post("/filtering/refresh")
-	return err
+	return cl.doPost(cl.client.R().EnableTrace().SetBody(&types.RefreshFilter{Whitelist: whitelist}), "/filtering/refresh")
 }
 
 func (cl *client) ToggleProtection(enable bool) error {
 	cl.log.With("enable", enable).Info("Toggle protection")
-	_, err := cl.client.R().EnableTrace().SetBody(&types.Protection{ProtectionEnabled: enable}).Post("/dns_config")
-	return err
+	return cl.doPost(cl.client.R().EnableTrace().SetBody(&types.Protection{ProtectionEnabled: enable}), "/dns_config")
 }
 
 func (cl *client) SetCustomRules(rules types.UserRules) error {
 	cl.log.With("rules", len(rules)).Info("Set user rules")
-	_, err := cl.client.R().EnableTrace().SetBody(rules.String()).Post("/filtering/set_rules")
-	return err
+	return cl.doPost(cl.client.R().EnableTrace().SetBody(rules.String()), "/filtering/set_rules")
 }
 
 func (cl *client) ToggleFiltering(enabled bool, interval int) error {
 	cl.log.With("enabled", enabled, "interval", interval).Info("Toggle filtering")
-	_, err := cl.client.R().EnableTrace().SetBody(&types.FilteringConfig{
+	return cl.doPost(cl.client.R().EnableTrace().SetBody(&types.FilteringConfig{
 		EnableConfig:   types.EnableConfig{Enabled: enabled},
 		IntervalConfig: types.IntervalConfig{Interval: interval},
-	}).Post("/filtering/config")
-	return err
+	}), "/filtering/config")
 }
 
 func (cl *client) Services() (*types.Services, error) {
 	svcs := &types.Services{}
-	_, err := cl.client.R().EnableTrace().SetResult(svcs).Get("/blocked_services/list")
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(svcs), "/blocked_services/list")
 	return svcs, err
 }
 
 func (cl *client) SetServices(services types.Services) error {
 	cl.log.With("services", len(services)).Info("Set services")
-	_, err := cl.client.R().EnableTrace().SetBody(&services).Post("/blocked_services/set")
-	return err
+	return cl.doPost(cl.client.R().EnableTrace().SetBody(&services), "/blocked_services/set")
 }
 
 func (cl *client) Clients() (*types.Clients, error) {
 	clients := &types.Clients{}
-	_, err := cl.client.R().EnableTrace().SetResult(clients).Get("/clients")
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(clients), "/clients")
 	return clients, err
 }
 
 func (cl *client) AddClients(clients ...types.Client) error {
 	for _, client := range clients {
 		cl.log.With("name", client.Name).Info("Add client")
-		_, err := cl.client.R().EnableTrace().SetBody(&client).Post("/clients/add")
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(&client), "/clients/add")
 		if err != nil {
 			return err
 		}
@@ -258,7 +292,7 @@ func (cl *client) AddClients(clients ...types.Client) error {
 func (cl *client) UpdateClients(clients ...types.Client) error {
 	for _, client := range clients {
 		cl.log.With("name", client.Name).Info("Update client")
-		_, err := cl.client.R().EnableTrace().SetBody(&types.ClientUpdate{Name: client.Name, Data: client}).Post("/clients/update")
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(&types.ClientUpdate{Name: client.Name, Data: client}), "/clients/update")
 		if err != nil {
 			return err
 		}
@@ -269,7 +303,7 @@ func (cl *client) UpdateClients(clients ...types.Client) error {
 func (cl *client) DeleteClients(clients ...types.Client) error {
 	for _, client := range clients {
 		cl.log.With("name", client.Name).Info("Delete client")
-		_, err := cl.client.R().EnableTrace().SetBody(&client).Post("/clients/delete")
+		err := cl.doPost(cl.client.R().EnableTrace().SetBody(&client), "/clients/delete")
 		if err != nil {
 			return err
 		}
@@ -279,28 +313,26 @@ func (cl *client) DeleteClients(clients ...types.Client) error {
 
 func (cl *client) QueryLogConfig() (*types.QueryLogConfig, error) {
 	qlc := &types.QueryLogConfig{}
-	_, err := cl.client.R().EnableTrace().SetResult(qlc).Get("/querylog_info")
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(qlc), "/querylog_info")
 	return qlc, err
 }
 
 func (cl *client) SetQueryLogConfig(enabled bool, interval int, anonymizeClientIP bool) error {
 	cl.log.With("enabled", enabled, "interval", interval, "anonymizeClientIP", anonymizeClientIP).Info("Set query log config")
-	_, err := cl.client.R().EnableTrace().SetBody(&types.QueryLogConfig{
+	return cl.doPost(cl.client.R().EnableTrace().SetBody(&types.QueryLogConfig{
 		EnableConfig:      types.EnableConfig{Enabled: enabled},
 		IntervalConfig:    types.IntervalConfig{Interval: interval},
 		AnonymizeClientIP: anonymizeClientIP,
-	}).Post("/querylog_config")
-	return err
+	}), "/querylog_config")
 }
 
 func (cl *client) StatsConfig() (*types.IntervalConfig, error) {
 	stats := &types.IntervalConfig{}
-	_, err := cl.client.R().EnableTrace().SetResult(stats).Get("/stats_info")
+	err := cl.doGet(cl.client.R().EnableTrace().SetResult(stats), "/stats_info")
 	return stats, err
 }
 
 func (cl *client) SetStatsConfig(interval int) error {
 	cl.log.With("interval", interval).Info("Set stats config")
-	_, err := cl.client.R().EnableTrace().SetBody(&types.IntervalConfig{Interval: interval}).Post("/stats_config")
-	return err
+	return cl.doPost(cl.client.R().EnableTrace().SetBody(&types.IntervalConfig{Interval: interval}), "/stats_config")
 }

pkg/log/log.go

@@ -29,26 +29,38 @@ func init() {
 		ErrorOutputPaths: []string{"stderr"},
 	}
 	opt := zap.WrapCore(func(c zapcore.Core) zapcore.Core {
-		return zapcore.NewTee(c, &logList{enc: zapcore.NewConsoleEncoder(cfg.EncoderConfig)})
+		return zapcore.NewTee(c, &logList{
+			enc:          zapcore.NewConsoleEncoder(cfg.EncoderConfig),
+			LevelEnabler: cfg.Level,
+		})
 	})
 
 	rootLogger, _ = cfg.Build(opt)
 }
 
 type logList struct {
+	zapcore.LevelEnabler
 	enc zapcore.Encoder
 }
 
-func (l *logList) Enabled(_ zapcore.Level) bool {
-	return true
+func (l *logList) clone() *logList {
+	return &logList{
+		LevelEnabler: l.LevelEnabler,
+		enc:          l.enc.Clone(),
+	}
 }
 
-func (l *logList) With(_ []zapcore.Field) zapcore.Core {
-	return l
+func (l *logList) With(fields []zapcore.Field) zapcore.Core {
+	clone := l.clone()
+	addFields(clone.enc, fields)
+	return clone
 }
 
 func (l *logList) Check(ent zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry {
-	return ce.AddCore(ent, l)
+	if l.Enabled(ent.Level) {
+		return ce.AddCore(ent, l)
+	}
+	return ce
 }
 
 func (l *logList) Write(ent zapcore.Entry, fields []zapcore.Field) error {
@@ -68,10 +80,13 @@ func (l *logList) Sync() error {
 	return nil
 }
 
+// Logs get the current logs
 func Logs() []string {
-	var list []string
-	for _, l := range logs {
-		list = append(list, l)
-	}
-	return list
+	return logs
+}
+
+func addFields(enc zapcore.ObjectEncoder, fields []zapcore.Field) {
+	for i := range fields {
+		fields[i].AddTo(enc)
+	}
 }

pkg/sync/http.go

@@ -3,7 +3,6 @@ package sync
 import (
 	"context"
 	"fmt"
-	"github.com/bakito/adguardhome-sync/pkg/log"
 	"net"
 	"net/http"
 	"os"
@@ -11,6 +10,9 @@ import (
 	"strings"
 	"syscall"
 	"time"
+
+	"github.com/bakito/adguardhome-sync/pkg/log"
+	"github.com/bakito/adguardhome-sync/version"
 )
 
 func (w *worker) handleSync(rw http.ResponseWriter, req *http.Request) {
@@ -60,7 +62,7 @@ func use(h http.HandlerFunc, middleware ...func(http.HandlerFunc) http.HandlerFu
 }
 
 func (w *worker) listenAndServe() {
-	l.With("port", w.cfg.API.Port).Info("Starting API server")
+	l.With("version", version.Version, "port", w.cfg.API.Port).Info("Starting API server")
 
 	ctx, cancel := context.WithCancel(context.Background())
 	mux := http.NewServeMux()

pkg/sync/sync.go

@@ -1,9 +1,12 @@
 package sync
 
 import (
+	"fmt"
+
 	"github.com/bakito/adguardhome-sync/pkg/client"
 	"github.com/bakito/adguardhome-sync/pkg/log"
 	"github.com/bakito/adguardhome-sync/pkg/types"
+	"github.com/bakito/adguardhome-sync/version"
 	"github.com/robfig/cron/v3"
 	"go.uber.org/zap"
 )
@@ -13,19 +16,28 @@ var (
 )
 
 // Sync config from origin to replica
-func Sync(cfg *types.Config) {
+func Sync(cfg *types.Config) error {
+
+	if cfg.Origin.URL == "" {
+		return fmt.Errorf("origin URL is required")
+	}
+
+	if len(cfg.UniqueReplicas()) == 0 {
+		return fmt.Errorf("no replicas configured")
+	}
+
 	w := &worker{
 		cfg: cfg,
 	}
 	if cfg.Cron != "" {
 		w.cron = cron.New()
-		cl := l.With("cron", cfg.Cron)
+		cl := l.With("version", version.Version, "cron", cfg.Cron)
 		_, err := w.cron.AddFunc(cfg.Cron, func() {
 			w.sync()
 		})
 		if err != nil {
 			cl.With("error", err).Error("Error during cron job setup")
-			return
+			return err
 		}
 		cl.Info("Setup cronjob")
 		if cfg.API.Port != 0 {
@@ -39,6 +51,7 @@ func Sync(cfg *types.Config) {
 	if cfg.API.Port != 0 {
 		w.listenAndServe()
 	}
+	return nil
 }
 
 type worker struct {
@@ -131,6 +144,7 @@ func (w *worker) syncTo(l *zap.SugaredLogger, o *origin, replica types.AdGuardIn
 	rc, err := client.New(replica)
 	if err != nil {
 		l.With("error", err, "url", replica.URL).Error("Error creating replica client")
+		return
 	}
 
 	rl := l.With("to", rc.Host())
@@ -152,6 +166,12 @@ func (w *worker) syncTo(l *zap.SugaredLogger, o *origin, replica types.AdGuardIn
 		return
 	}
 
+	err = w.syncConfigs(o, rs, rc)
+	if err != nil {
+		l.With("error", err).Error("Error syncing configs")
+		return
+	}
+
 	err = w.syncRewrites(o.rewrites, rc)
 	if err != nil {
 		l.With("error", err).Error("Error syncing rewrites")
@@ -197,13 +217,16 @@ func (w *worker) syncFilters(of *types.FilteringStatus, replica client.Client) e
 		return err
 	}
 
-	fa, fd := rf.Filters.Merge(of.Filters)
+	fa, fu, fd := rf.Filters.Merge(of.Filters)
 
 	if err = replica.AddFilters(false, fa...); err != nil {
 		return err
 	}
+	if err = replica.UpdateFilters(false, fu...); err != nil {
+		return err
+	}
 
-	if len(fa) > 0 {
+	if len(fa) > 0 || len(fu) > 0 {
 		if err = replica.RefreshFilters(false); err != nil {
 			return err
 		}
@@ -213,12 +236,15 @@ func (w *worker) syncFilters(of *types.FilteringStatus, replica client.Client) e
 		return err
 	}
 
-	fa, fd = rf.WhitelistFilters.Merge(of.WhitelistFilters)
+	fa, fu, fd = rf.WhitelistFilters.Merge(of.WhitelistFilters)
 	if err = replica.AddFilters(true, fa...); err != nil {
 		return err
 	}
+	if err = replica.UpdateFilters(true, fu...); err != nil {
+		return err
+	}
 
-	if len(fa) > 0 {
+	if len(fa) > 0 || len(fu) > 0 {
 		if err = replica.RefreshFilters(true); err != nil {
 			return err
 		}
@@ -305,7 +331,10 @@ func (w *worker) syncGeneralSettings(o *origin, rs *types.Status, replica client
 			return err
 		}
 	}
+	return nil
+}
 
+func (w *worker) syncConfigs(o *origin, rs *types.Status, replica client.Client) error {
 	qlc, err := replica.QueryLogConfig()
 	if err != nil {
 		return err

pkg/types/types.go

@@ -5,39 +5,51 @@ import (
 	"fmt"
 	"sort"
 	"strings"
-	"time"
 )
 
+const (
+	DefaultAPIPath = "/control"
+)
+
+// Config application configuration struct
 type Config struct {
 	Origin   AdGuardInstance   `json:"origin" yaml:"origin"`
-	Replica  *AdGuardInstance  `json:"replica,omitempty" yaml:"replica,omitempty"`
+	Replica  AdGuardInstance   `json:"replica,omitempty" yaml:"replica,omitempty"`
 	Replicas []AdGuardInstance `json:"replicas,omitempty" yaml:"replicas,omitempty"`
 	Cron     string            `json:"cron,omitempty" yaml:"cron,omitempty"`
 	API      API               `json:"api,omitempty" yaml:"api,omitempty"`
 }
 
+// API configuration
 type API struct {
 	Port     int    `json:"port,omitempty" yaml:"port,omitempty"`
 	Username string `json:"username,omitempty" yaml:"username,omitempty"`
 	Password string `json:"password,omitempty" yaml:"password,omitempty"`
 }
 
+// UniqueReplicas get unique replication instances
 func (cfg *Config) UniqueReplicas() []AdGuardInstance {
 	dedup := make(map[string]AdGuardInstance)
-	if cfg.Replica != nil {
-		dedup[cfg.Replica.Key()] = *cfg.Replica
+	if cfg.Replica.URL != "" {
+		dedup[cfg.Replica.Key()] = cfg.Replica
 	}
 	for _, replica := range cfg.Replicas {
-		dedup[replica.Key()] = replica
+		if replica.URL != "" {
+			dedup[replica.Key()] = replica
+		}
 	}
 
 	var r []AdGuardInstance
 	for _, replica := range dedup {
+		if replica.APIPath == "" {
+			replica.APIPath = DefaultAPIPath
+		}
 		r = append(r, replica)
 	}
 	return r
 }
 
+// AdGuardInstance adguard home config instance
 type AdGuardInstance struct {
 	URL                string `json:"url" yaml:"url"`
 	APIPath            string `json:"apiPath,omitempty" yaml:"apiPath,omitempty"`
@@ -46,14 +58,17 @@ type AdGuardInstance struct {
 	InsecureSkipVerify bool   `json:"insecureSkipVerify" yaml:"insecureSkipVerify"`
 }
 
+// Key AdGuardInstance key
 func (i *AdGuardInstance) Key() string {
-	return fmt.Sprintf("%s%s", i.URL, i.APIPath)
+	return fmt.Sprintf("%s#%s", i.URL, i.APIPath)
 }
 
+// Protection API struct
 type Protection struct {
 	ProtectionEnabled bool `json:"protection_enabled"`
 }
 
+// Status API struct
 type Status struct {
 	Protection
 	DNSAddresses  []string `json:"dns_addresses"`
@@ -65,8 +80,10 @@ type Status struct {
 	Language      string   `json:"language"`
 }
 
+// RewriteEntries list of RewriteEntry
 type RewriteEntries []RewriteEntry
 
+// Merge RewriteEntries
 func (rwe *RewriteEntries) Merge(other *RewriteEntries) (RewriteEntries, RewriteEntries) {
 	current := make(map[string]RewriteEntry)
 
@@ -91,27 +108,43 @@ func (rwe *RewriteEntries) Merge(other *RewriteEntries) (RewriteEntries, Rewrite
 	return adds, removes
 }
 
+// RewriteEntry API struct
 type RewriteEntry struct {
 	Domain string `json:"domain"`
 	Answer string `json:"answer"`
 }
 
+// Key RewriteEntry key
 func (re *RewriteEntry) Key() string {
 	return fmt.Sprintf("%s#%s", re.Domain, re.Answer)
 }
 
+// Filters list of Filter
 type Filters []Filter
 
+// Filter API struct
 type Filter struct {
-	ID          int       `json:"id"`
-	Enabled     bool      `json:"enabled"`
-	URL         string    `json:"url"`  // needed for add
-	Name        string    `json:"name"` // needed for add
-	RulesCount  int       `json:"rules_count"`
-	LastUpdated time.Time `json:"last_updated"`
-	Whitelist   bool      `json:"whitelist"` // needed for add
+	ID         int    `json:"id"`
+	Enabled    bool   `json:"enabled"`
+	URL        string `json:"url"`  // needed for add
+	Name       string `json:"name"` // needed for add
+	RulesCount int    `json:"rules_count"`
+	Whitelist  bool   `json:"whitelist"` // needed for add
 }
 
+// Equals Filter equal check
+func (f *Filter) Equals(o *Filter) bool {
+	return f.Enabled == o.Enabled && f.URL == o.URL && f.Name == o.Name
+}
+
+// FilterUpdate  API struct
+type FilterUpdate struct {
+	URL       string `json:"url"`
+	Data      Filter `json:"data"`
+	Whitelist bool   `json:"whitelist"`
+}
+
+// FilteringStatus API struct
 type FilteringStatus struct {
 	FilteringConfig
 	Filters          Filters   `json:"filters"`
@@ -119,50 +152,63 @@ type FilteringStatus struct {
 	UserRules        UserRules `json:"user_rules"`
 }
 
+// UserRules API struct
 type UserRules []string
 
+// String toString of Users
 func (ur UserRules) String() string {
 	return strings.Join(ur, "\n")
 }
 
+// EnableConfig API struct
 type EnableConfig struct {
 	Enabled bool `json:"enabled"`
 }
 
+// IntervalConfig API struct
 type IntervalConfig struct {
 	Interval int `json:"interval"`
 }
 
+// FilteringConfig API struct
 type FilteringConfig struct {
 	EnableConfig
 	IntervalConfig
 }
 
+// QueryLogConfig API struct
 type QueryLogConfig struct {
 	EnableConfig
 	IntervalConfig
 	AnonymizeClientIP bool `json:"anonymize_client_ip"`
 }
 
+// Equals QueryLogConfig equal check
 func (qlc *QueryLogConfig) Equals(o *QueryLogConfig) bool {
 	return qlc.Enabled == o.Enabled && qlc.AnonymizeClientIP == o.AnonymizeClientIP && qlc.Interval == o.Interval
 }
 
+// RefreshFilter API struct
 type RefreshFilter struct {
 	Whitelist bool `json:"whitelist"`
 }
 
-func (fs *Filters) Merge(other Filters) (Filters, Filters) {
+// Merge merge RefreshFilters
+func (fs *Filters) Merge(other Filters) (Filters, Filters, Filters) {
 	current := make(map[string]Filter)
 
 	var adds Filters
+	var updates Filters
 	var removes Filters
 	for _, f := range *fs {
 		current[f.URL] = f
 	}
 
 	for _, rr := range other {
-		if _, ok := current[rr.URL]; ok {
+		if c, ok := current[rr.URL]; ok {
+			if !c.Equals(&rr) {
+				updates = append(updates, rr)
+			}
 			delete(current, rr.URL)
 		} else {
 			adds = append(adds, rr)
@@ -173,21 +219,25 @@ func (fs *Filters) Merge(other Filters) (Filters, Filters) {
 		removes = append(removes, rr)
 	}
 
-	return adds, removes
+	return adds, updates, removes
 }
 
+// Services API struct
 type Services []string
 
+// Sort sort Services
 func (s Services) Sort() {
 	sort.Strings(s)
 }
 
+// Equals Services equal check
 func (s *Services) Equals(o *Services) bool {
 	s.Sort()
 	o.Sort()
 	return equals(*s, *o)
 }
 
+// Clients API struct
 type Clients struct {
 	Clients     []Client `json:"clients"`
 	AutoClients []struct {
@@ -200,6 +250,7 @@ type Clients struct {
 	SupportedTags []string `json:"supported_tags"`
 }
 
+// Client API struct
 type Client struct {
 	Ids             []string `json:"ids"`
 	Tags            []string `json:"tags"`
@@ -217,6 +268,7 @@ type Client struct {
 	DisallowedRule           string `json:"disallowed_rule"`
 }
 
+// Sort sort clients
 func (cl *Client) Sort() {
 	sort.Strings(cl.Ids)
 	sort.Strings(cl.Tags)
@@ -224,6 +276,7 @@ func (cl *Client) Sort() {
 	sort.Strings(cl.Upstreams)
 }
 
+// Equal Clients equal check
 func (cl *Client) Equal(o *Client) bool {
 	cl.Sort()
 	o.Sort()
@@ -233,6 +286,7 @@ func (cl *Client) Equal(o *Client) bool {
 	return string(a) == string(b)
 }
 
+// Merge merge Clients
 func (clients *Clients) Merge(other *Clients) ([]Client, []Client, []Client) {
 	current := make(map[string]Client)
 	for _, client := range clients.Clients {
@@ -266,6 +320,7 @@ func (clients *Clients) Merge(other *Clients) ([]Client, []Client, []Client) {
 	return adds, updates, removes
 }
 
+// ClientUpdate API struct
 type ClientUpdate struct {
 	Name string `json:"name"`
 	Data Client `json:"data"`

pkg/types/types_suite_test.go

@@ -0,0 +1,13 @@
+package types_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestTypes(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Types Suite")
+}

pkg/types/types_test.go

@@ -0,0 +1,236 @@
+package types_test
+
+import (
+	"encoding/json"
+	"io/ioutil"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/bakito/adguardhome-sync/pkg/types"
+	"github.com/google/uuid"
+)
+
+var _ = Describe("Types", func() {
+	var (
+		url     string
+		apiPath string
+	)
+	BeforeEach(func() {
+		url = "http://" + uuid.NewString()
+		apiPath = "/" + uuid.NewString()
+	})
+
+	Context("FilteringStatus", func() {
+		It("should correctly parse json", func() {
+			b, err := ioutil.ReadFile("../..//testdata/filtering-status.json")
+			fs := &types.FilteringStatus{}
+			Ω(err).ShouldNot(HaveOccurred())
+			err = json.Unmarshal(b, fs)
+			Ω(err).ShouldNot(HaveOccurred())
+		})
+	})
+
+	Context("Filters", func() {
+		Context("Merge", func() {
+			var (
+				originFilters  types.Filters
+				replicaFilters types.Filters
+			)
+			BeforeEach(func() {
+				originFilters = types.Filters{}
+				replicaFilters = types.Filters{}
+			})
+
+			It("should add a missing filter", func() {
+				originFilters = append(originFilters, types.Filter{URL: url})
+				a, u, d := replicaFilters.Merge(originFilters)
+				Ω(a).Should(HaveLen(1))
+				Ω(u).Should(BeEmpty())
+				Ω(d).Should(BeEmpty())
+
+				Ω(a[0].URL).Should(Equal(url))
+			})
+
+			It("should remove additional filter", func() {
+				replicaFilters = append(replicaFilters, types.Filter{URL: url})
+				a, u, d := replicaFilters.Merge(originFilters)
+				Ω(a).Should(BeEmpty())
+				Ω(u).Should(BeEmpty())
+				Ω(d).Should(HaveLen(1))
+
+				Ω(d[0].URL).Should(Equal(url))
+			})
+
+			It("should update existing filter when enabled differs", func() {
+				enabled := true
+				originFilters = append(originFilters, types.Filter{URL: url, Enabled: enabled})
+				replicaFilters = append(replicaFilters, types.Filter{URL: url, Enabled: !enabled})
+				a, u, d := replicaFilters.Merge(originFilters)
+				Ω(a).Should(BeEmpty())
+				Ω(u).Should(HaveLen(1))
+				Ω(d).Should(BeEmpty())
+
+				Ω(u[0].Enabled).Should(Equal(enabled))
+			})
+
+			It("should update existing filter when name differs", func() {
+				name1 := uuid.NewString()
+				name2 := uuid.NewString()
+				originFilters = append(originFilters, types.Filter{URL: url, Name: name1})
+				replicaFilters = append(replicaFilters, types.Filter{URL: url, Name: name2})
+				a, u, d := replicaFilters.Merge(originFilters)
+				Ω(a).Should(BeEmpty())
+				Ω(u).Should(HaveLen(1))
+				Ω(d).Should(BeEmpty())
+
+				Ω(u[0].Name).Should(Equal(name1))
+			})
+		})
+	})
+	Context("AdGuardInstance", func() {
+		It("should build a key with url and api apiPath", func() {
+			i := &types.AdGuardInstance{URL: url, APIPath: apiPath}
+			Ω(i.Key()).Should(Equal(url + "#" + apiPath))
+		})
+	})
+	Context("RewriteEntry", func() {
+		It("should build a key with url and api apiPath", func() {
+			domain := uuid.NewString()
+			answer := uuid.NewString()
+			re := &types.RewriteEntry{Domain: domain, Answer: answer}
+			Ω(re.Key()).Should(Equal(domain + "#" + answer))
+		})
+	})
+	Context("RewriteEntries", func() {
+		Context("Merge", func() {
+			var (
+				originRE  types.RewriteEntries
+				replicaRE types.RewriteEntries
+				domain    string
+			)
+			BeforeEach(func() {
+				originRE = types.RewriteEntries{}
+				replicaRE = types.RewriteEntries{}
+				domain = uuid.NewString()
+			})
+
+			It("should add a missing rewrite entry", func() {
+				originRE = append(originRE, types.RewriteEntry{Domain: domain})
+				a, d := replicaRE.Merge(&originRE)
+				Ω(a).Should(HaveLen(1))
+				Ω(d).Should(BeEmpty())
+
+				Ω(a[0].Domain).Should(Equal(domain))
+			})
+
+			It("should remove additional ewrite entry", func() {
+				replicaRE = append(replicaRE, types.RewriteEntry{Domain: domain})
+				a, d := replicaRE.Merge(&originRE)
+				Ω(a).Should(BeEmpty())
+				Ω(d).Should(HaveLen(1))
+
+				Ω(d[0].Domain).Should(Equal(domain))
+			})
+		})
+	})
+	Context("UserRules", func() {
+		It("should join the rules correctly", func() {
+			r1 := uuid.NewString()
+			r2 := uuid.NewString()
+			ur := types.UserRules([]string{r1, r2})
+			Ω(ur.String()).Should(Equal(r1 + "\n" + r2))
+		})
+	})
+	Context("Config", func() {
+		var (
+			cfg *types.Config
+		)
+		BeforeEach(func() {
+			cfg = &types.Config{}
+		})
+		Context("UniqueReplicas", func() {
+			It("should be empty if noting defined", func() {
+				r := cfg.UniqueReplicas()
+				Ω(r).Should(BeEmpty())
+			})
+			It("should be empty if replica url is not set", func() {
+				cfg.Replica = types.AdGuardInstance{URL: ""}
+				r := cfg.UniqueReplicas()
+				Ω(r).Should(BeEmpty())
+			})
+			It("should be empty if replicas url is not set", func() {
+				cfg.Replicas = []types.AdGuardInstance{{URL: ""}}
+				r := cfg.UniqueReplicas()
+				Ω(r).Should(BeEmpty())
+			})
+			It("should return only one replica if same url and apiPath", func() {
+				cfg.Replica = types.AdGuardInstance{URL: url, APIPath: apiPath}
+				cfg.Replicas = []types.AdGuardInstance{{URL: url, APIPath: apiPath}, {URL: url, APIPath: apiPath}}
+				r := cfg.UniqueReplicas()
+				Ω(r).Should(HaveLen(1))
+			})
+			It("should return 3 one replicas if urls are different", func() {
+				cfg.Replica = types.AdGuardInstance{URL: url, APIPath: apiPath}
+				cfg.Replicas = []types.AdGuardInstance{{URL: url + "1", APIPath: apiPath}, {URL: url, APIPath: apiPath + "1"}}
+				r := cfg.UniqueReplicas()
+				Ω(r).Should(HaveLen(3))
+			})
+			It("should set default api apiPath if not set", func() {
+				cfg.Replica = types.AdGuardInstance{URL: url}
+				cfg.Replicas = []types.AdGuardInstance{{URL: url + "1"}}
+				r := cfg.UniqueReplicas()
+				Ω(r).Should(HaveLen(2))
+				Ω(r[0].APIPath).Should(Equal(types.DefaultAPIPath))
+				Ω(r[1].APIPath).Should(Equal(types.DefaultAPIPath))
+			})
+		})
+	})
+
+	Context("Clients", func() {
+		Context("Merge", func() {
+			var (
+				originClients  *types.Clients
+				replicaClients types.Clients
+				name           string
+			)
+			BeforeEach(func() {
+				originClients = &types.Clients{}
+				replicaClients = types.Clients{}
+				name = uuid.NewString()
+			})
+
+			It("should add a missing client", func() {
+				originClients.Clients = append(originClients.Clients, types.Client{Name: name})
+				a, u, d := replicaClients.Merge(originClients)
+				Ω(a).Should(HaveLen(1))
+				Ω(u).Should(BeEmpty())
+				Ω(d).Should(BeEmpty())
+
+				Ω(a[0].Name).Should(Equal(name))
+			})
+
+			It("should remove additional client", func() {
+				replicaClients.Clients = append(replicaClients.Clients, types.Client{Name: name})
+				a, u, d := replicaClients.Merge(originClients)
+				Ω(a).Should(BeEmpty())
+				Ω(u).Should(BeEmpty())
+				Ω(d).Should(HaveLen(1))
+
+				Ω(d[0].Name).Should(Equal(name))
+			})
+
+			It("should update existing client when name differs", func() {
+				disallowed := true
+				originClients.Clients = append(originClients.Clients, types.Client{Name: name, Disallowed: disallowed})
+				replicaClients.Clients = append(replicaClients.Clients, types.Client{Name: name, Disallowed: !disallowed})
+				a, u, d := replicaClients.Merge(originClients)
+				Ω(a).Should(BeEmpty())
+				Ω(u).Should(HaveLen(1))
+				Ω(d).Should(BeEmpty())
+
+				Ω(u[0].Disallowed).Should(Equal(disallowed))
+			})
+		})
+	})
+})

testdata/filtering-status.json

@@ -0,0 +1,27 @@
+{
+  "enabled": true,
+  "interval": 24,
+  "filters": [
+    {
+      "id": 1616956420,
+      "enabled": true,
+      "url": "https://adguardteam.github.io/AdGuardSDNSFilter/Filters/filter.txt",
+      "name": "AdGuard DNS filter",
+      "rules_count": 37330,
+      "last_updated": ""
+    },
+    {
+      "id": 1616956421,
+      "enabled": true,
+      "url": "https://adaway.org/hosts.txt",
+      "name": "AdAway Default Blocklist",
+      "rules_count": 8717,
+      "last_updated": "2021-04-04T20:35:03+01:00"
+    }
+  ],
+  "whitelist_filters": null,
+  "user_rules": [
+    "||metrics2.data.hicloud.com^$important",
+    ""
+  ]
+}