update deps

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.github/workflows/autoapprove.yml

@@ -0,0 +1,20 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        uses: hmarr/auto-approve-action@v3
+        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/automerge.yml

@@ -0,0 +1,21 @@
+name: "automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'vtolstov'
+    steps:
+      - name: merge
+        id: merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/build.yml

@@ -3,19 +3,20 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.github/workflows/codeql-analysis.yml

@@ -43,14 +43,14 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     # Initializes the CodeQL tools for scanning.
     - name: init
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -61,7 +61,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: autobuild
-      uses: github/codeql-action/autobuild@v1
+      uses: github/codeql-action/autobuild@v2
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -75,4 +75,4 @@ jobs:
     #   make release
 
     - name: analyze
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -1,4 +1,4 @@
-name: "prautomerge"
+name: "dependabot-automerge"
 
 on:
   pull_request_target:
@@ -9,21 +9,17 @@ permissions:
   contents: write
 
 jobs:
-  dependabot:
+  automerge:
     runs-on: ubuntu-latest
-    if: ${{ github.actor == 'dependabot[bot]' }}
+    if: github.actor == 'dependabot[bot]'
     steps:
       - name: metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v1.1.1
+        uses: dependabot/fetch-metadata@v1.3.6
         with:
           github-token: "${{ secrets.TOKEN }}"
-      - name: approve
-        run: gh pr review --approve "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}
       - name: merge
+        id: merge
         if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
         run: gh pr merge --auto --merge "$PR_URL"
         env:

.github/workflows/pr.yml

@@ -3,19 +3,20 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

env.go

@@ -1,4 +1,4 @@
-package env // import "go.unistack.org/micro-config-env/v3"
+package env
 
 import (
 	"context"
@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/imdario/mergo"
+	"dario.cat/mergo"
 	"go.unistack.org/micro/v3/config"
 	rutil "go.unistack.org/micro/v3/util/reflect"
 )
@@ -27,11 +27,24 @@ func (c *envConfig) Init(opts ...config.Option) error {
 	for _, o := range opts {
 		o(&c.opts)
 	}
+
+	if err := config.DefaultBeforeInit(c.opts.Context, c); err != nil && !c.opts.AllowFail {
+		return err
+	}
+
+	if err := config.DefaultAfterInit(c.opts.Context, c); err != nil && !c.opts.AllowFail {
+		return err
+	}
+
 	return nil
 }
 
 func (c *envConfig) Load(ctx context.Context, opts ...config.LoadOption) error {
-	if err := config.DefaultBeforeLoad(ctx, c); err != nil {
+	if c.opts.SkipLoad != nil && c.opts.SkipLoad(ctx, c) {
+		return nil
+	}
+
+	if err := config.DefaultBeforeLoad(ctx, c); err != nil && !c.opts.AllowFail {
 		return err
 	}
 
@@ -44,21 +57,23 @@ func (c *envConfig) Load(ctx context.Context, opts ...config.LoadOption) error {
 		mopts = append(mopts, mergo.WithAppendSlice)
 	}
 
-	src, err := rutil.Zero(c.opts.Struct)
+	dst := c.opts.Struct
+	if options.Struct != nil {
+		dst = options.Struct
+	}
+
+	src, err := rutil.Zero(dst)
 	if err == nil {
 		if err = fillValues(ctx, reflect.ValueOf(src), c.opts.StructTag); err == nil {
-			err = mergo.Merge(c.opts.Struct, src, mopts...)
+			err = mergo.Merge(dst, src, mopts...)
 		}
 	}
 
-	if err != nil {
-		c.opts.Logger.Errorf(c.opts.Context, "env load err: %v", err)
-		if !c.opts.AllowFail {
-			return err
-		}
+	if err != nil && !c.opts.AllowFail {
+		return err
 	}
 
-	if err := config.DefaultAfterLoad(ctx, c); err != nil {
+	if err := config.DefaultAfterLoad(ctx, c); err != nil && !c.opts.AllowFail {
 		return err
 	}
 
@@ -219,13 +234,14 @@ func (c *envConfig) setValues(ctx context.Context, valueOf reflect.Value) error
 			continue
 		}
 
-		tag, ok := field.Tag.Lookup(c.opts.StructTag)
+		tags, ok := field.Tag.Lookup(c.opts.StructTag)
 		if !ok {
 			continue
 		}
-
-		if err := os.Setenv(tag, fmt.Sprintf("%v", value.Interface())); err != nil && !c.opts.AllowFail {
-			return err
+		for _, tag := range strings.Split(tags, ",") {
+			if err := os.Setenv(tag, fmt.Sprintf("%v", value.Interface())); err != nil && !c.opts.AllowFail {
+				return err
+			}
 		}
 	}
 
@@ -278,16 +294,24 @@ func fillValues(ctx context.Context, valueOf reflect.Value, structTag string) er
 			}
 			continue
 		}
-		tag, ok := field.Tag.Lookup(structTag)
-		if !ok {
-			continue
-		}
-		val, ok := os.LookupEnv(tag)
+		tags, ok := field.Tag.Lookup(structTag)
 		if !ok {
 			continue
 		}
 
-		if err := fillValue(ctx, value, val); err != nil {
+		var eval string
+		for _, tag := range strings.Split(tags, ",") {
+			if val, ok := os.LookupEnv(tag); !ok {
+				continue
+			} else {
+				eval = val
+			}
+		}
+		if eval == "" {
+			continue
+		}
+
+		if err := fillValue(ctx, value, eval); err != nil {
 			return err
 		}
 	}
@@ -296,18 +320,26 @@ func fillValues(ctx context.Context, valueOf reflect.Value, structTag string) er
 }
 
 func (c *envConfig) Save(ctx context.Context, opts ...config.SaveOption) error {
-	if err := config.DefaultBeforeSave(ctx, c); err != nil {
+	if c.opts.SkipSave != nil && c.opts.SkipSave(ctx, c) {
+		return nil
+	}
+
+	options := config.NewSaveOptions(opts...)
+
+	if err := config.DefaultBeforeSave(ctx, c); err != nil && !c.opts.AllowFail {
 		return err
 	}
 
-	if err := c.setValues(ctx, reflect.ValueOf(c.opts.Struct)); err != nil {
-		c.opts.Logger.Errorf(c.opts.Context, "env save error: %v", err)
-		if !c.opts.AllowFail {
-			return err
-		}
+	dst := c.opts.Struct
+	if options.Struct != nil {
+		dst = options.Struct
 	}
 
-	if err := config.DefaultAfterSave(ctx, c); err != nil {
+	if err := c.setValues(ctx, reflect.ValueOf(dst)); err != nil && !c.opts.AllowFail {
+		return err
+	}
+
+	if err := config.DefaultAfterSave(ctx, c); err != nil && !c.opts.AllowFail {
 		return err
 	}
 

env_test.go

@@ -11,7 +11,7 @@ import (
 )
 
 type Config struct {
-	StringValue    string            `env:"STRING_VALUE"`
+	StringValue    string            `env:"STRING_VALUE,STRING_VALUE2"`
 	BoolValue      bool              `env:"BOOL_VALUE"`
 	StringSlice    []string          `env:"STRING_SLICE"`
 	IntSlice       []int             `env:"INT_SLICE"`
@@ -20,6 +20,14 @@ type Config struct {
 }
 
 func TestMerge(t *testing.T) {
+	defer func() {
+		for _, v := range []string{"STRING_VALUE", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
+			if err := os.Unsetenv(v); err != nil {
+				t.Fatal(err)
+			}
+		}
+	}()
+
 	ctx := context.Background()
 	type Nested struct {
 		Name string `env:"NAME_VALUE"`
@@ -47,6 +55,9 @@ func TestMerge(t *testing.T) {
 			t.Fatal(err)
 		}
 	}()
+	if err != nil {
+		t.Fatal(err)
+	}
 
 	os.Setenv("NAME_VALUE", "after")
 	changes, err := w.Next()
@@ -66,6 +77,14 @@ func TestMerge(t *testing.T) {
 }
 
 func TestLoad(t *testing.T) {
+	defer func() {
+		for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
+			if err := os.Unsetenv(v); err != nil {
+				t.Fatal(err)
+			}
+		}
+	}()
+
 	ctx := context.Background()
 	conf := &Config{StringValue: "before_load"}
 	cfg := NewConfig(config.Struct(conf))
@@ -111,9 +130,23 @@ func TestLoad(t *testing.T) {
 	if len(conf.MapIntValue) != 2 {
 		t.Fatalf("something wrong with env config: %#+v", conf.MapIntValue)
 	}
+
+	for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
+		if err := os.Unsetenv(v); err != nil {
+			t.Fatal(err)
+		}
+	}
 }
 
 func TestSave(t *testing.T) {
+	defer func() {
+		for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
+			if err := os.Unsetenv(v); err != nil {
+				t.Fatal(err)
+			}
+		}
+	}()
+
 	ctx := context.Background()
 	conf := &Config{StringValue: "MICRO_CONFIG_ENV"}
 	cfg := NewConfig(config.Struct(conf))
@@ -149,4 +182,59 @@ func TestSave(t *testing.T) {
 			t.Fatalf("env value %s=%s set", tv, v)
 		}
 	}
+
+	for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
+		if err := os.Unsetenv(v); err != nil {
+			t.Fatal(err)
+		}
+	}
+}
+
+func TestLoadMultiple(t *testing.T) {
+	defer func() {
+		for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
+			if err := os.Unsetenv(v); err != nil {
+				t.Fatal(err)
+			}
+		}
+	}()
+
+	ctx := context.Background()
+	conf := &Config{StringValue: "before_load"}
+	cfg := NewConfig(config.Struct(conf))
+
+	if err := cfg.Init(); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := cfg.Load(ctx, config.LoadOverride(true), config.LoadAppend(true)); err != nil {
+		t.Fatal(err)
+	}
+
+	if conf.StringValue != "before_load" {
+		t.Fatalf("something wrong with env config: %#+v", conf)
+	}
+
+	os.Setenv("STRING_VALUE", "STRING_VALUE1")
+	os.Setenv("STRING_VALUE2", "STRING_VALUE2")
+	defer func() {
+		for _, v := range []string{"STRING_VALUE", "STRING_VALUE2"} {
+			if err := os.Unsetenv(v); err != nil {
+				t.Fatal(err)
+			}
+		}
+	}()
+
+	if err := cfg.Load(ctx, config.LoadOverride(true), config.LoadAppend(true)); err != nil {
+		t.Fatal(err)
+	}
+	if conf.StringValue != "STRING_VALUE2" {
+		t.Fatalf("something wrong with env config: %#+v", conf)
+	}
+
+	for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
+		if err := os.Unsetenv(v); err != nil {
+			t.Fatal(err)
+		}
+	}
 }

go.mod

@@ -1,8 +1,10 @@
 module go.unistack.org/micro-config-env/v3
 
-go 1.16
+go 1.20
 
 require (
-	github.com/imdario/mergo v0.3.12
-	go.unistack.org/micro/v3 v3.8.11
+	dario.cat/mergo v1.0.0
+	go.unistack.org/micro/v3 v3.10.44
 )
+
+require github.com/google/uuid v1.6.0 // indirect

go.sum

@@ -1,28 +1,9 @@
-github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
-github.com/golang-jwt/jwt/v4 v4.1.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
-github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-github.com/silas/dag v0.0.0-20210626123444-3804bac2d6d4/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-go.unistack.org/micro-proto/v3 v3.1.0 h1:q39FwjFiRZn+Ux/tt+d3bJTmDtsQQWa+3SLYVo1vLfA=
-go.unistack.org/micro-proto/v3 v3.1.0/go.mod h1:DpRhYCBXlmSJ/AAXTmntvlh7kQkYU6eFvlmYAx4BQS8=
-go.unistack.org/micro/v3 v3.8.11 h1:Wv1YopcYNcsN3bW8Mv8v6AF99s0uKBtWQ1M/Ag8QLec=
-go.unistack.org/micro/v3 v3.8.11/go.mod h1:KMMmOmbgo/D52/rCAbqeKbBsgEEbSKM69he54J3ZIuA=
-golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-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=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
+dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+go.unistack.org/micro/v3 v3.10.44 h1:Vgyy9BrJOSdFvo29/klrgIBE/Nme9E8udPAljos34o0=
+go.unistack.org/micro/v3 v3.10.44/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=