Merge branch 'master' into v3

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

.github/workflows/build.yml

@@ -3,6 +3,7 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test

.github/workflows/codeql-analysis.yml

@@ -9,7 +9,7 @@
 # the `language` matrix defined below to confirm you have the correct set of
 # supported CodeQL languages.
 #
-name: "CodeQL"
+name: "codeql"
 
 on:
   workflow_run:
@@ -17,16 +17,16 @@ on:
     types:
       - completed
   push:
-    branches: [ master ]
+    branches: [ master, v3 ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ master ]
+    branches: [ master, v3 ]
   schedule:
     - cron: '34 1 * * 0'
 
 jobs:
   analyze:
-    name: Analyze
+    name: analyze
     runs-on: ubuntu-latest
     permissions:
       actions: read
@@ -42,11 +42,14 @@ jobs:
         # 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 repository
+    - name: checkout
       uses: actions/checkout@v2
-
+    - name: setup
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
     # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
+    - name: init
       uses: github/codeql-action/init@v1
       with:
         languages: ${{ matrix.language }}
@@ -57,7 +60,7 @@ 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
+    - name: autobuild
       uses: github/codeql-action/autobuild@v1
 
     # ℹ️ Command-line programs to run using the OS shell.
@@ -71,5 +74,5 @@ jobs:
     #   make bootstrap
     #   make release
 
-    - name: Perform CodeQL Analysis
+    - name: analyze
       uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -1,66 +1,31 @@
 name: "prautomerge"
 
 on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
 
 permissions:
-  contents: write
   pull-requests: write
+  contents: write
 
 jobs:
-  Dependabot-Automerge:
+  dependabot:
     runs-on: ubuntu-latest
-    # Contains workaround to execute if dependabot updates the PR by checking for the base branch in the linked PR
-    # The the github.event.workflow_run.event value is 'push' and not 'pull_request'
-    # dont work with multiple workflows when last returns success
-    if: >-
-      github.event.workflow_run.conclusion == 'success'
-      && github.actor == 'dependabot[bot]'
-      && github.event.sender.login == 'dependabot[bot]'
-      && github.event.sender.type == 'Bot'
-      && (github.event.workflow_run.event == 'pull_request'
-          || (github.event.workflow_run.event == 'push' && github.event.workflow_run.pull_requests[0].base.ref == github.event.repository.default_branch ))
+    if: ${{ github.actor == 'dependabot[bot]' }}
     steps:
-      - name: Approve Changes and Merge changes if label 'dependencies' is set
-        uses: actions/github-script@v4
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.1.1
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            console.log(context.payload.workflow_run);
-            
-            var labelNames = await github.paginate(
-              github.issues.listLabelsOnIssue,
-              {
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                issue_number: context.payload.workflow_run.pull_requests[0].number,
-              },
-              (response) => response.data.map(
-                (label) => label.name
-              )
-            );
-
-            console.log(labelNames);
-
-            if (labelNames.includes('dependencies')) {
-              console.log('Found label');
-
-              await github.pulls.createReview({
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                pull_number: context.payload.workflow_run.pull_requests[0].number,
-                event: 'APPROVE'
-              });
-              console.log('Approved PR');
-
-              await github.pulls.merge({
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                pull_number: context.payload.workflow_run.pull_requests[0].number,
-              });
-
-              console.log('Merged PR');
-            }
+          github-token: "${{ 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
+        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

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test

README.md

@@ -5,14 +5,14 @@ This plugin is a http client for micro.
 ## Overview
 
 The http client wraps `net/http` to provide a robust micro client with service discovery, load balancing and streaming. 
-It complies with the [micro.Client](https://godoc.org/github.com/unistack-org/micro-client-http#Client) interface.
+It complies with the [micro.Client](https://godoc.org/go.unistack.org/micro-client-http/v3#Client) interface.
 
 ## Usage
 
 ### Use directly
 
 ```go
-import "github.com/unistack-org/micro-client-http"
+import "go.unistack.org/micro-client-http/v3"
 
 service := micro.NewService(
 	micro.Name("my.service"),

go.mod

@@ -1,5 +1,5 @@
-module github.com/unistack-org/micro-client-http/v3
+module go.unistack.org/micro-client-http/v3
 
 go 1.16
 
-require github.com/unistack-org/micro/v3 v3.7.1
+require go.unistack.org/micro/v3 v3.8.14

go.sum

@@ -1,34 +1,26 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
-github.com/golang-jwt/jwt/v4 v4.0.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
+github.com/golang-jwt/jwt/v4 v4.2.0/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/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/silas/dag v0.0.0-20210121180416-41cf55125c34/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/unistack-org/micro-proto v0.0.9 h1:KrWLS4FUX7UAWNAilQf70uad6ZPf/0EudeddCXllRVc=
-github.com/unistack-org/micro-proto v0.0.9/go.mod h1:Cckwmzd89gvS7ThxzZp9kQR/EOdksFQcsTAtDDyKwrg=
-github.com/unistack-org/micro/v3 v3.7.1 h1:gjCon1U8i9upNgw9+iEgbZh2LCeBizDYotQ+THHV0lo=
-github.com/unistack-org/micro/v3 v3.7.1/go.mod h1:gBoY6gvzeFiJTZ4FgDttGNSs4Y1+1PRg2cV1yTRMSlg=
-golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+github.com/silas/dag v0.0.0-20210626123444-3804bac2d6d4/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
+go.unistack.org/micro-proto/v3 v3.1.1 h1:78qRmltwGek5kSQ9tNmDZ9TCRvZM7YDIOgzriKvabjA=
+go.unistack.org/micro-proto/v3 v3.1.1/go.mod h1:DpRhYCBXlmSJ/AAXTmntvlh7kQkYU6eFvlmYAx4BQS8=
+go.unistack.org/micro/v3 v3.8.14 h1:gvGAh11n484XuJFt+YFUvDJUwbn/a/6/NdTdTqeUnis=
+go.unistack.org/micro/v3 v3.8.14/go.mod h1:zEbgew93bFhU+gANJubbbnPP1LtDTQRbM/17QXTbTrY=
+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 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 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=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

http.go

@@ -1,5 +1,5 @@
 // Package http provides a http client
-package http
+package http // import "go.unistack.org/micro-client-http/v3"
 
 import (
 	"bufio"
@@ -15,11 +15,12 @@ import (
 	"sync"
 	"time"
 
-	"github.com/unistack-org/micro/v3/broker"
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/errors"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/metadata"
+	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
 var DefaultContentType = "application/json"
@@ -40,6 +41,7 @@ type httpClient struct {
 
 func newRequest(ctx context.Context, addr string, req client.Request, ct string, cf codec.Codec, msg interface{}, opts client.CallOptions) (*http.Request, error) {
 	var tags []string
+	var parameters map[string]map[string]string
 	scheme := "http"
 	method := http.MethodPost
 	body := "*" // as like google api http annotation
@@ -55,6 +57,7 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 		u = &url.URL{Scheme: scheme, Path: path, Host: host}
 	}
 
+	// nolint: nestif
 	if opts.Context != nil {
 		if m, ok := opts.Context.Value(methodKey{}).(string); ok {
 			method = m
@@ -68,6 +71,32 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 		if t, ok := opts.Context.Value(structTagsKey{}).([]string); ok && len(t) > 0 {
 			tags = t
 		}
+		if k, ok := opts.Context.Value(headerKey{}).([]string); ok && len(k) > 0 {
+			if parameters == nil {
+				parameters = make(map[string]map[string]string)
+			}
+			m, ok := parameters["header"]
+			if !ok {
+				m = make(map[string]string)
+				parameters["header"] = m
+			}
+			for idx := 0; idx < len(k)/2; idx += 2 {
+				m[k[idx]] = k[idx+1]
+			}
+		}
+		if k, ok := opts.Context.Value(cookieKey{}).([]string); ok && len(k) > 0 {
+			if parameters == nil {
+				parameters = make(map[string]map[string]string)
+			}
+			m, ok := parameters["cookie"]
+			if !ok {
+				m = make(map[string]string)
+				parameters["cookie"] = m
+			}
+			for idx := 0; idx < len(k)/2; idx += 2 {
+				m[k[idx]] = k[idx+1]
+			}
+		}
 	}
 
 	if len(tags) == 0 {
@@ -90,9 +119,9 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 
 	var nmsg interface{}
 	if len(u.Query()) > 0 {
-		path, nmsg, err = newPathRequest(u.Path+"?"+u.RawQuery, method, body, msg, tags)
+		path, nmsg, err = newPathRequest(u.Path+"?"+u.RawQuery, method, body, msg, tags, parameters)
 	} else {
-		path, nmsg, err = newPathRequest(u.Path, method, body, msg, tags)
+		path, nmsg, err = newPathRequest(u.Path, method, body, msg, tags, parameters)
 	}
 
 	if err != nil {
@@ -104,6 +133,59 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
+	var cookies []*http.Cookie
+	header := make(http.Header)
+	if opts.Context != nil {
+		if md, ok := opts.Context.Value(metadataKey{}).(metadata.Metadata); ok {
+			for k, v := range md {
+				header.Set(k, v)
+			}
+		}
+	}
+	if opts.AuthToken != "" {
+		header.Set(metadata.HeaderAuthorization, opts.AuthToken)
+	}
+
+	if md, ok := metadata.FromOutgoingContext(ctx); ok {
+		for k, v := range md {
+			header.Set(k, v)
+		}
+	}
+
+	// set timeout in nanoseconds
+	if opts.StreamTimeout > time.Duration(0) {
+		header.Set(metadata.HeaderTimeout, fmt.Sprintf("%d", opts.StreamTimeout))
+	}
+	if opts.RequestTimeout > time.Duration(0) {
+		header.Set(metadata.HeaderTimeout, fmt.Sprintf("%d", opts.RequestTimeout))
+	}
+
+	// set the content type for the request
+	header.Set(metadata.HeaderContentType, ct)
+	var v interface{}
+
+	for km, vm := range parameters {
+		for k, required := range vm {
+			v, err = rutil.StructFieldByPath(msg, k)
+			if err != nil {
+				return nil, errors.BadRequest("go.micro.client", err.Error())
+			}
+			if rutil.IsZero(v) {
+				if required == "true" {
+					return nil, errors.BadRequest("go.micro.client", fmt.Sprintf("required field %s not set", k))
+				}
+				continue
+			}
+
+			switch km {
+			case "header":
+				header.Set(k, fmt.Sprintf("%v", v))
+			case "cookie":
+				cookies = append(cookies, &http.Cookie{Name: k, Value: fmt.Sprintf("%v", v)})
+			}
+		}
+	}
+
 	b, err := cf.Marshal(nmsg)
 	if err != nil {
 		return nil, errors.BadRequest("go.micro.client", err.Error())
@@ -113,6 +195,7 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 	if len(b) > 0 {
 		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), ioutil.NopCloser(bytes.NewBuffer(b)))
 		hreq.ContentLength = int64(len(b))
+		header.Set("Content-Length", fmt.Sprintf("%d", hreq.ContentLength))
 	} else {
 		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), nil)
 	}
@@ -121,36 +204,10 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
-	header := make(http.Header)
-
-	if opts.Context != nil {
-		if md, ok := opts.Context.Value(metadataKey{}).(metadata.Metadata); ok {
-			for k, v := range md {
-				header.Set(k, v)
+	hreq.Header = header
+	for _, cookie := range cookies {
+		hreq.AddCookie(cookie)
 	}
-		}
-	}
-
-	if opts.AuthToken != "" {
-		hreq.Header.Set(metadata.HeaderAuthorization, opts.AuthToken)
-	}
-
-	if md, ok := metadata.FromOutgoingContext(ctx); ok {
-		for k, v := range md {
-			hreq.Header.Set(k, v)
-		}
-	}
-
-	// set timeout in nanoseconds
-	if opts.StreamTimeout > time.Duration(0) {
-		hreq.Header.Set(metadata.HeaderTimeout, fmt.Sprintf("%d", opts.StreamTimeout))
-	}
-	if opts.RequestTimeout > time.Duration(0) {
-		hreq.Header.Set(metadata.HeaderTimeout, fmt.Sprintf("%d", opts.RequestTimeout))
-	}
-
-	// set the content type for the request
-	hreq.Header.Set(metadata.HeaderContentType, ct)
 
 	return hreq, nil
 }

http_test.go

@@ -9,13 +9,39 @@ import (
 type Request struct {
 	Name     string `json:"name"`
 	Field1   string `json:"field1"`
+	ClientID string
 	Field2   string
 	Field3   int64
 }
 
+func TestPathWithHeader(t *testing.T) {
+	req := &Request{Name: "vtolstov", Field1: "field1", ClientID: "1234567890"}
+	p, m, err := newPathRequest(
+		"/api/v1/test?Name={name}&Field1={field1}",
+		"POST",
+		"*",
+		req,
+		nil,
+		map[string]map[string]string{"header": {"ClientID": "true"}},
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	u, err := url.Parse(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if m != nil {
+		t.Fatal("new struct must be nil")
+	}
+	if u.Query().Get("Name") != "vtolstov" || u.Query().Get("Field1") != "field1" {
+		t.Fatalf("invalid values %v", u.Query())
+	}
+}
+
 func TestPathValues(t *testing.T) {
 	req := &Request{Name: "vtolstov", Field1: "field1"}
-	p, m, err := newPathRequest("/api/v1/test?Name={name}&Field1={field1}", "POST", "*", req, nil)
+	p, m, err := newPathRequest("/api/v1/test?Name={name}&Field1={field1}", "POST", "*", req, nil, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -31,7 +57,7 @@ func TestPathValues(t *testing.T) {
 
 func TestValidPath(t *testing.T) {
 	req := &Request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
-	p, m, err := newPathRequest("/api/v1/{name}/list", "GET", "", req, nil)
+	p, m, err := newPathRequest("/api/v1/{name}/list", "GET", "", req, nil, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -48,9 +74,8 @@ func TestValidPath(t *testing.T) {
 
 func TestInvalidPath(t *testing.T) {
 	req := &Request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
-	p, m, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil)
+	_, _, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil, nil)
 	if err == nil {
-		t.Fatalf("path param must not be filled")
+		t.Fatal("path param must not be filled")
 	}
-	_, _ = p, m
 }

message.go

@@ -1,25 +1,29 @@
 package http
 
 import (
-	"github.com/unistack-org/micro/v3/client"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 type httpMessage struct {
 	payload     interface{}
 	topic       string
 	contentType string
+	opts        client.MessageOptions
 }
 
 func newHTTPMessage(topic string, payload interface{}, contentType string, opts ...client.MessageOption) client.Message {
 	options := client.NewMessageOptions(opts...)
-	if len(options.ContentType) == 0 {
-		options.ContentType = contentType
+
+	if len(options.ContentType) > 0 {
+		contentType = options.ContentType
 	}
 
 	return &httpMessage{
 		payload:     payload,
 		topic:       topic,
-		contentType: options.ContentType,
+		contentType: contentType,
+		opts:        options,
 	}
 }
 
@@ -34,3 +38,7 @@ func (h *httpMessage) Topic() string {
 func (h *httpMessage) Payload() interface{} {
 	return h.payload
 }
+
+func (h *httpMessage) Metadata() metadata.Metadata {
+	return h.opts.Metadata
+}

options.go

@@ -4,8 +4,8 @@ import (
 	"net"
 	"net/http"
 
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 var (
@@ -57,6 +57,7 @@ func MaxSendMsgSize(s int) client.Option {
 type httpClientKey struct{}
 
 // nolint: golint
+// HTTPClient pass http.Client option to client Call
 func HTTPClient(c *http.Client) client.Option {
 	return client.SetOption(httpClientKey{}, c)
 }
@@ -64,24 +65,28 @@ func HTTPClient(c *http.Client) client.Option {
 type httpDialerKey struct{}
 
 // nolint: golint
+// HTTPDialer pass net.Dialer option to client
 func HTTPDialer(d *net.Dialer) client.Option {
 	return client.SetOption(httpDialerKey{}, d)
 }
 
 type methodKey struct{}
 
+// Method pass method option to client Call
 func Method(m string) client.CallOption {
 	return client.SetCallOption(methodKey{}, m)
 }
 
 type pathKey struct{}
 
+// Path spcecifies path option to client Call
 func Path(p string) client.CallOption {
 	return client.SetCallOption(pathKey{}, p)
 }
 
 type bodyKey struct{}
 
+// Body specifies body option to client Call
 func Body(b string) client.CallOption {
 	return client.SetCallOption(bodyKey{}, b)
 }
@@ -94,12 +99,28 @@ func ErrorMap(m map[string]interface{}) client.CallOption {
 
 type structTagsKey struct{}
 
+// StructTags pass tags slice option to client Call
 func StructTags(tags []string) client.CallOption {
 	return client.SetCallOption(structTagsKey{}, tags)
 }
 
 type metadataKey struct{}
 
+// Metadata pass metadata to client Call
 func Metadata(md metadata.Metadata) client.CallOption {
 	return client.SetCallOption(metadataKey{}, md)
 }
+
+type cookieKey struct{}
+
+// Cookie pass cookie to client Call
+func Cookie(cookies ...string) client.CallOption {
+	return client.SetCallOption(cookieKey{}, cookies)
+}
+
+type headerKey struct{}
+
+// Header pass cookie to client Call
+func Header(headers ...string) client.CallOption {
+	return client.SetCallOption(headerKey{}, headers)
+}

request.go

@@ -1,8 +1,8 @@
 package http
 
 import (
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/codec"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/codec"
 )
 
 type httpRequest struct {

stream.go

@@ -9,9 +9,9 @@ import (
 	"net/http"
 	"sync"
 
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/errors"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/errors"
 )
 
 // Implements the streamer interface
@@ -52,6 +52,10 @@ func (h *httpStream) Response() client.Response {
 	return nil
 }
 
+func (h *httpStream) SendMsg(msg interface{}) error {
+	return h.Send(msg)
+}
+
 func (h *httpStream) Send(msg interface{}) error {
 	h.Lock()
 	defer h.Unlock()
@@ -69,6 +73,10 @@ func (h *httpStream) Send(msg interface{}) error {
 	return hreq.Write(h.conn)
 }
 
+func (h *httpStream) RecvMsg(msg interface{}) error {
+	return h.Recv(msg)
+}
+
 func (h *httpStream) Recv(msg interface{}) error {
 	h.Lock()
 	defer h.Unlock()
@@ -93,6 +101,10 @@ func (h *httpStream) Error() error {
 	return h.err
 }
 
+func (h *httpStream) CloseSend() error {
+	return h.Close()
+}
+
 func (h *httpStream) Close() error {
 	select {
 	case <-h.closed:

util.go

@@ -10,10 +10,10 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/errors"
-	"github.com/unistack-org/micro/v3/logger"
-	rutil "github.com/unistack-org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/logger"
+	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
 var (
@@ -38,7 +38,7 @@ func GetError(err error) interface{} {
 	return err
 }
 
-func newPathRequest(path string, method string, body string, msg interface{}, tags []string) (string, interface{}, error) {
+func newPathRequest(path string, method string, body string, msg interface{}, tags []string, parameters map[string]map[string]string) (string, interface{}, error) {
 	// parse via https://github.com/googleapis/googleapis/blob/master/google/api/http.proto definition
 	tpl, err := newTemplate(path)
 	if err != nil {
@@ -117,10 +117,18 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			}
 		}
 
-		if t.name == "" {
+		cname := t.name
+		if cname == "" {
+			cname = fld.Name
 			// fallback to lowercase
 			t.name = strings.ToLower(fld.Name)
 		}
+		if _, ok := parameters["header"][cname]; ok {
+			continue
+		}
+		if _, ok := parameters["cookie"][cname]; ok {
+			continue
+		}
 
 		if !val.IsValid() || val.IsZero() {
 			continue
@@ -200,6 +208,12 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		_, _ = b.WriteString(values.Encode())
 	}
 
+	/*
+		if err = rutil.ZeroFieldByPath(nmsg, k); err != nil {
+			return nil, errors.BadRequest("go.micro.client", err.Error())
+		}
+	*/
+
 	if rutil.IsZero(nmsg) {
 		return b.String(), nil, nil
 	}

util_test.go

@@ -14,7 +14,7 @@ func TestParsing(t *testing.T) {
 
 	for _, m := range []string{"POST"} {
 		body := ""
-		path, nmsg, err := newPathRequest("/users/iin/{iin}/push-notifications", m, body, omsg, []string{"protobuf", "json"})
+		path, nmsg, err := newPathRequest("/users/iin/{iin}/push-notifications", m, body, omsg, []string{"protobuf", "json"}, nil)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -44,7 +44,7 @@ func TestNewPathRequest(t *testing.T) {
 
 	for _, m := range []string{"POST", "PUT", "PATCH", "GET", "DELETE"} {
 		body := ""
-		path, nmsg, err := newPathRequest("/v1/test", m, body, omsg, []string{"protobuf", "json"})
+		path, nmsg, err := newPathRequest("/v1/test", m, body, omsg, []string{"protobuf", "json"}, nil)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -74,7 +74,7 @@ func TestNewPathVarRequest(t *testing.T) {
 		if m != "GET" {
 			body = "*"
 		}
-		path, nmsg, err := newPathRequest("/v1/test/{val1}", m, body, omsg, []string{"protobuf", "json"})
+		path, nmsg, err := newPathRequest("/v1/test/{val1}", m, body, omsg, []string{"protobuf", "json"}, nil)
 		if err != nil {
 			t.Fatal(err)
 		}