Merge pull request #33 from unistack-org/fixup

fixup panic

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,24 @@
+---
+name: Bug report
+about: For reporting bugs in go-micro
+title: "[BUG]"
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+
+1. What are you trying to do?
+2. What did you expect to happen?
+3. What happens instead?
+
+**How to reproduce the bug:**
+
+If possible, please include a minimal code snippet here.
+
+**Environment:**
+Go Version: please paste `go version` output here
+```
+please paste `go env` output here
+```

.github/ISSUE_TEMPLATE/feature-request---enhancement.md

@@ -0,0 +1,17 @@
+---
+name: Feature request / Enhancement
+about: If you have a need not served by go-micro
+title: "[FEATURE]"
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,14 @@
+---
+name: Question
+about: Ask a question about go-micro
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+Before asking, please check if your question has already been answered: 
+
+1. Check the documentation - https://micro.mu/docs/
+2. Check the examples and plugins - https://github.com/micro/examples & https://github.com/micro/go-plugins
+3. Search existing issues

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,9 @@
+## Pull Request template
+Please, go through these steps before clicking submit on this PR.
+
+1. Give a descriptive title to your PR.
+2. Provide a description of your changes.
+3. Make sure you have some relevant tests.
+4. Put `closes #XXXX` in your comment to auto-close the issue that your PR fixes (if applicable).
+
+**PLEASE REMOVE THIS TEMPLATE BEFORE SUBMITTING**

.github/dependabot.yml

@@ -0,0 +1,19 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  # Maintain dependencies for Golang
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"

.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@v2
+        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

@@ -0,0 +1,47 @@
+name: build
+on:
+ push:
+    branches:
+    - master
+    - v3
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: setup
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: cache
+      uses: actions/cache@v3
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: ${{ runner.os }}-go-
+    - name: deps
+      run: go get -v -t -d ./...
+    - name: test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: lint
+        uses: golangci/golangci-lint-action@v3.1.0
+        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.
+          version: v1.30
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "codeql"
+
+on:
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+  push:
+    branches: [ master, v3 ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master, v3 ]
+  schedule:
+    - cron: '34 1 * * 0'
+
+jobs:
+  analyze:
+    name: analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: setup
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # 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
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,27 @@
+name: "dependabot-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 == 'dependabot[bot]'
+    steps:
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.0
+        with:
+          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:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -0,0 +1,47 @@
+name: prbuild
+on:
+  pull_request:
+    branches:
+    - master
+    - v3
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: setup
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: cache
+      uses: actions/cache@v3
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: ${{ runner.os }}-go-
+    - name: deps
+      run: go get -v -t -d ./...
+    - name: test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: lint
+        uses: golangci/golangci-lint-action@v3.1.0
+        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.
+          version: v1.30
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true

flag.go

@@ -1,4 +1,4 @@
-package flag
+package flag // import "go.unistack.org/micro-config-flag/v3"
 
 import (
 	"context"
@@ -8,8 +8,8 @@ import (
 	"reflect"
 	"time"
 
-	"github.com/unistack-org/micro/v3/config"
-	rutil "github.com/unistack-org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v3/config"
+	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
 var (
@@ -49,9 +49,10 @@ func (c *flagConfig) Init(opts ...config.Option) error {
 		if !ok {
 			continue
 		}
-		fn, fv, fd := getFlagOpts(tf)
+		fn, fd, fv := getFlagOpts(tf)
 
 		rcheck := true
+
 		switch sf.Value.Interface().(type) {
 		case time.Duration:
 			err = c.flagDuration(sf.Value, fn, fv, fd)
@@ -60,8 +61,13 @@ func (c *flagConfig) Init(opts ...config.Option) error {
 			err = c.flagTime(sf.Value, fn, fv, fd)
 			rcheck = false
 		}
+
 		if err != nil {
-			return err
+			c.opts.Logger.Errorf(c.opts.Context, "flag init error: %v", err)
+			if !c.opts.AllowFail {
+				return err
+			}
+			return nil
 		}
 
 		if !rcheck {
@@ -93,9 +99,12 @@ func (c *flagConfig) Init(opts ...config.Option) error {
 			err = c.flagMap(sf.Value, fn, fv, fd)
 		}
 		if err != nil {
-			return err
+			c.opts.Logger.Errorf(c.opts.Context, "flag init error: %v", err)
+			if !c.opts.AllowFail {
+				return err
+			}
+			return nil
 		}
-
 	}
 
 	return nil

flag_test.go

@@ -6,10 +6,11 @@ import (
 	"testing"
 	"time"
 
-	"github.com/unistack-org/micro/v3/config"
+	"go.unistack.org/micro/v3/config"
 )
 
 func TestLoad(t *testing.T) {
+	time.Local = time.UTC
 	os.Args = append(os.Args, "-broker", "5566:33")
 	os.Args = append(os.Args, "-verbose")
 	os.Args = append(os.Args, "-wait", "5s")
@@ -17,12 +18,15 @@ func TestLoad(t *testing.T) {
 	os.Args = append(os.Args, "-time", time.RFC822)
 	os.Args = append(os.Args, "-metadata", "key=20")
 	type Config struct {
-		Broker   string         `flag:"name=broker,desc='description with, comma',default='127.0.0.1:9092'"`
-		Verbose  bool           `flag:"name=verbose,desc='verbose output',default='false'"`
-		Addr     []string       `flag:"name=addr,desc='addrs',default='127.0.0.1:9092'"`
-		Wait     time.Duration  `flag:"name=wait,desc='wait time',default='2s'"`
-		Time     time.Time      `flag:"name=time,desc='some time',default='02 Jan 06 15:04 MST'"`
-		Metadata map[string]int `flag:"name=metadata,desc='some meta',default=''"`
+		Broker         string         `flag:"name=broker,desc='description with, comma',default='127.0.0.1:9092'"`
+		Verbose        bool           `flag:"name=verbose,desc='verbose output',default='false'"`
+		Addr           []string       `flag:"name=addr,desc='addrs',default='127.0.0.1:9092'"`
+		Wait           time.Duration  `flag:"name=wait,desc='wait time',default='2s'"`
+		Time           time.Time      `flag:"name=time,desc='some time',default='02 Jan 06 15:04 MST'"`
+		Metadata       map[string]int `flag:"name=metadata,desc='some meta',default=''"`
+		WithoutDefault string         `flag:"name=without_default,desc='with'"`
+		WithoutDesc    string         `flag:"name=without_desc,default='without_default'"`
+		WithoutAll     string         `flag:"name=without_all"`
 	}
 
 	ctx := context.Background()
@@ -30,19 +34,17 @@ func TestLoad(t *testing.T) {
 
 	c := NewConfig(config.Struct(cfg), TimeFormat(time.RFC822))
 	if err := c.Init(); err != nil {
-		t.Fatal(err)
+		t.Fatalf("init failed: %v", err)
 	}
 
 	if err := c.Load(ctx); err != nil {
-		t.Fatal(err)
+		t.Fatalf("load failed: %v", err)
 	}
 
 	if cfg.Broker != "5566:33" {
 		t.Fatalf("failed to parse flags broker value invalid: %#+v", cfg)
 	}
-	if tf := cfg.Time.Format(time.RFC822); tf != "02 Jan 06 14:32 MSK" {
-		t.Fatalf("parse time error: %v", cfg.Time)
+	if tf := cfg.Time.Format(time.RFC822); tf != "02 Jan 06 15:04 MST" {
+		t.Fatalf("parse time error: %s != %s", tf, "02 Jan 06 15:04 MST")
 	}
-
-	t.Logf("cfg %#+v", cfg)
 }

go.mod

@@ -1,5 +1,5 @@
-module github.com/unistack-org/micro-config-flag/v3
+module go.unistack.org/micro-config-flag/v3
 
 go 1.16
 
-require github.com/unistack-org/micro/v3 v3.5.9
+require go.unistack.org/micro/v3 v3.9.0

go.sum

@@ -1,18 +1,159 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
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+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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-github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
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+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

options.go

@@ -1,7 +1,7 @@
 package flag
 
 import (
-	"github.com/unistack-org/micro/v3/config"
+	"go.unistack.org/micro/v3/config"
 )
 
 type sliceDelimKey struct{}

util.go

@@ -105,7 +105,7 @@ func (c *flagConfig) flagMap(v reflect.Value, fn, fv, fd string) error {
 			delim = d
 		}
 	}
-	flag.Func(fn, fd, func(s string) error {
+	flag.Func(fn, fv, func(s string) error {
 		ps := strings.Split(s, delim)
 		if len(ps) == 0 {
 			return nil
@@ -172,7 +172,7 @@ func (c *flagConfig) flagDuration(v reflect.Value, fn, fv, fd string) error {
 	if !ok {
 		return ErrInvalidValue
 	}
-	i, err := time.ParseDuration(fd)
+	i, err := time.ParseDuration(fv)
 	if err != nil {
 		return err
 	}
@@ -185,7 +185,7 @@ func (c *flagConfig) flagBool(v reflect.Value, fn, fv, fd string) error {
 	if !ok {
 		return ErrInvalidValue
 	}
-	i, err := strconv.ParseBool(fd)
+	i, err := strconv.ParseBool(fv)
 	if err != nil {
 		return err
 	}
@@ -207,11 +207,11 @@ func (c *flagConfig) flagInt(v reflect.Value, fn, fv, fd string) error {
 	if !ok {
 		return ErrInvalidValue
 	}
-	i, err := strconv.ParseInt(fd, 10, 64)
+	i, err := strconv.ParseInt(fv, 10, 64)
 	if err != nil {
 		return err
 	}
-	flag.IntVar(nv, fn, int(i), fd)
+	flag.IntVar(nv, fn, int(i), fv)
 	return nil
 }
 
@@ -220,11 +220,11 @@ func (c *flagConfig) flagInt64(v reflect.Value, fn, fv, fd string) error {
 	if !ok {
 		return ErrInvalidValue
 	}
-	i, err := strconv.ParseInt(fd, 10, 64)
+	i, err := strconv.ParseInt(fv, 10, 64)
 	if err != nil {
 		return err
 	}
-	flag.Int64Var(nv, fn, int64(i), fd)
+	flag.Int64Var(nv, fn, int64(i), fv)
 	return nil
 }
 
@@ -233,11 +233,11 @@ func (c *flagConfig) flagUint(v reflect.Value, fn, fv, fd string) error {
 	if !ok {
 		return ErrInvalidValue
 	}
-	i, err := strconv.ParseUint(fd, 10, 64)
+	i, err := strconv.ParseUint(fv, 10, 64)
 	if err != nil {
 		return err
 	}
-	flag.UintVar(nv, fn, uint(i), fd)
+	flag.UintVar(nv, fn, uint(i), fv)
 	return nil
 }
 
@@ -246,11 +246,11 @@ func (c *flagConfig) flagUint64(v reflect.Value, fn, fv, fd string) error {
 	if !ok {
 		return ErrInvalidValue
 	}
-	i, err := strconv.ParseUint(fd, 10, 64)
+	i, err := strconv.ParseUint(fv, 10, 64)
 	if err != nil {
 		return err
 	}
-	flag.Uint64Var(nv, fn, uint64(i), fd)
+	flag.Uint64Var(nv, fn, uint64(i), fv)
 	return nil
 }
 
@@ -259,11 +259,11 @@ func (c *flagConfig) flagFloat64(v reflect.Value, fn, fv, fd string) error {
 	if !ok {
 		return ErrInvalidValue
 	}
-	i, err := strconv.ParseFloat(fd, 64)
+	i, err := strconv.ParseFloat(fv, 64)
 	if err != nil {
 		return err
 	}
-	flag.Float64Var(nv, fn, float64(i), fd)
+	flag.Float64Var(nv, fn, float64(i), fv)
 	return nil
 }
 
@@ -295,7 +295,11 @@ func getFlagOpts(tf string) (string, string, string) {
 		}
 		ret[f] = p[1]
 	}
+
 	for idx := range ret {
+		if len(ret[idx]) == 0 {
+			continue
+		}
 		if ret[idx][0] == '\'' {
 			ret[idx] = ret[idx][1:]
 		}