update workflows

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@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

@@ -3,6 +3,7 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -13,7 +14,7 @@ jobs:
       with:
         go-version: 1.16
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -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@v3.1.0
         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.

.github/workflows/codeql-analysis.yml

@@ -43,7 +43,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: setup
       uses: actions/setup-go@v2
       with:

.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: ${{ github.actor == 'dependabot[bot]' }}
+    if: github.actor == 'dependabot[bot]'
     steps:
       - name: metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v1.1.1
+        uses: dependabot/fetch-metadata@v1.3.0
         with:
           github-token: "${{ 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

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -13,7 +14,7 @@ jobs:
       with:
         go-version: 1.16
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -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@v3.1.0
         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.

.github/workflows/push.yml

@@ -33,7 +33,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v2
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         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.

LICENSE

@@ -0,0 +1,191 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+      outstanding shares, or (iii) beneficial ownership of such entity.
+
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   Copyright 2020 Unistack LLC.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

etcd.go

@@ -22,14 +22,9 @@ import (
 	"go.unistack.org/micro/v3/register"
 )
 
-const (
-	prefix        = "/micro/register/"
-	defaultDomain = "micro"
-)
+var DefaultPrefix = "/micro/register/"
 
-var (
-	_ register.Register = &etcdRegister{}
-)
+var _ register.Register = &etcdRegister{}
 
 type etcdRegister struct {
 	client  *clientv3.Client
@@ -41,8 +36,10 @@ type etcdRegister struct {
 	leases map[string]leases
 }
 
-type reg map[string]uint64
-type leases map[string]clientv3.LeaseID
+type (
+	reg    map[string]uint64
+	leases map[string]clientv3.LeaseID
+)
 
 // NewRegister returns an initialized etcd register
 func NewRegister(opts ...register.Option) *etcdRegister {
@@ -200,7 +197,7 @@ func serializeServiceName(s string) string {
 }
 
 func prefixWithDomain(domain string) string {
-	return path.Join(prefix, domain)
+	return path.Join(DefaultPrefix, domain)
 }
 
 func (e *etcdRegister) Init(opts ...register.Option) error {
@@ -227,13 +224,7 @@ func (e *etcdRegister) registerNode(s *register.Service, node *register.Node, op
 	}
 
 	// parse the options
-	var options register.RegisterOptions
-	for _, o := range opts {
-		o(&options)
-	}
-	if len(options.Domain) == 0 {
-		options.Domain = defaultDomain
-	}
+	options := register.NewRegisterOptions(opts...)
 
 	if s.Metadata == nil {
 		s.Metadata = map[string]string{}
@@ -402,13 +393,7 @@ func (e *etcdRegister) Deregister(ctx context.Context, s *register.Service, opts
 	}
 
 	// parse the options
-	var options register.DeregisterOptions
-	for _, o := range opts {
-		o(&options)
-	}
-	if len(options.Domain) == 0 {
-		options.Domain = defaultDomain
-	}
+	options := register.NewDeregisterOptions(opts...)
 
 	for _, node := range s.Nodes {
 		e.Lock()
@@ -465,19 +450,13 @@ func (e *etcdRegister) LookupService(ctx context.Context, name string, opts ...r
 	defer cancel()
 
 	// parse the options and fallback to the default domain
-	var options register.LookupOptions
-	for _, o := range opts {
-		o(&options)
-	}
-	if len(options.Domain) == 0 {
-		options.Domain = defaultDomain
-	}
+	options := register.NewLookupOptions(opts...)
 
 	var results []*mvccpb.KeyValue
 
 	// TODO: refactorout wildcard, this is an incredibly expensive operation
 	if options.Domain == register.WildcardDomain {
-		rsp, err := e.client.Get(ctx, prefix, clientv3.WithPrefix(), clientv3.WithSerializable())
+		rsp, err := e.client.Get(ctx, DefaultPrefix, clientv3.WithPrefix(), clientv3.WithSerializable())
 		if err != nil {
 			return nil, err
 		}
@@ -485,7 +464,7 @@ func (e *etcdRegister) LookupService(ctx context.Context, name string, opts ...r
 		// filter the results for the key we care about
 		for _, kv := range rsp.Kvs {
 			// if the key does not contain the name then pass
-			_, service, ok := getName(string(kv.Key), prefix)
+			_, service, ok := getName(string(kv.Key), DefaultPrefix)
 			if !ok || service != name {
 				continue
 			}
@@ -510,7 +489,7 @@ func (e *etcdRegister) LookupService(ctx context.Context, name string, opts ...r
 
 	for _, n := range results {
 		// only process the things we care about
-		domain, service, ok := getName(string(n.Key), prefix)
+		domain, service, ok := getName(string(n.Key), DefaultPrefix)
 		if !ok || service != name {
 			continue
 		}
@@ -545,22 +524,19 @@ func (e *etcdRegister) LookupService(ctx context.Context, name string, opts ...r
 func (e *etcdRegister) ListServices(ctx context.Context, opts ...register.ListOption) ([]*register.Service, error) {
 	// parse the options
 	options := register.NewListOptions(opts...)
-	if len(options.Domain) == 0 {
-		options.Domain = defaultDomain
-	}
 
 	// determine the prefix
 	var p string
 	if options.Domain == register.WildcardDomain {
-		p = prefix
+		p = DefaultPrefix
 	} else {
 		p = prefixWithDomain(options.Domain)
 	}
 
-	ctx, cancel := context.WithTimeout(context.Background(), e.options.Timeout)
+	nctx, cancel := context.WithTimeout(context.Background(), e.options.Timeout)
 	defer cancel()
 
-	rsp, err := e.client.Get(ctx, p, clientv3.WithPrefix(), clientv3.WithSerializable())
+	rsp, err := e.client.Get(nctx, p, clientv3.WithPrefix(), clientv3.WithSerializable())
 	if err != nil {
 		return nil, err
 	}
@@ -570,7 +546,7 @@ func (e *etcdRegister) ListServices(ctx context.Context, opts ...register.ListOp
 
 	versions := make(map[string]*register.Service)
 	for _, n := range rsp.Kvs {
-		domain, service, ok := getName(string(n.Key), prefix)
+		domain, service, ok := getName(string(n.Key), DefaultPrefix)
 		if !ok {
 			continue
 		}

go.mod

@@ -4,8 +4,8 @@ go 1.16
 
 require (
 	github.com/mitchellh/hashstructure v1.1.0
-	go.etcd.io/etcd/api/v3 v3.5.1
-	go.etcd.io/etcd/client/v3 v3.5.1
-	go.uber.org/zap v1.20.0
-	go.unistack.org/micro/v3 v3.8.20
+	go.etcd.io/etcd/api/v3 v3.5.2
+	go.etcd.io/etcd/client/v3 v3.5.2
+	go.uber.org/zap v1.21.0
+	go.unistack.org/micro/v3 v3.8.21
 )

go.sum

@@ -150,12 +150,12 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-go.etcd.io/etcd/api/v3 v3.5.1 h1:v28cktvBq+7vGyJXF8G+rWJmj+1XUmMtqcLnH8hDocM=
-go.etcd.io/etcd/api/v3 v3.5.1/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
-go.etcd.io/etcd/client/pkg/v3 v3.5.1 h1:XIQcHCFSG53bJETYeRJtIxdLv2EWRGxcfzR8lSnTH4E=
-go.etcd.io/etcd/client/pkg/v3 v3.5.1/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
-go.etcd.io/etcd/client/v3 v3.5.1 h1:oImGuV5LGKjCqXdjkMHCyWa5OO1gYKCnC/1sgdfj1Uk=
-go.etcd.io/etcd/client/v3 v3.5.1/go.mod h1:OnjH4M8OnAotwaB2l9bVgZzRFKru7/ZMoS46OtKyd3Q=
+go.etcd.io/etcd/api/v3 v3.5.2 h1:tXok5yLlKyuQ/SXSjtqHc4uzNaMqZi2XsoSPr/LlJXI=
+go.etcd.io/etcd/api/v3 v3.5.2/go.mod h1:5GB2vv4A4AOn3yk7MftYGHkUfGtDHnEraIjym4dYz5A=
+go.etcd.io/etcd/client/pkg/v3 v3.5.2 h1:4hzqQ6hIb3blLyQ8usCU4h3NghkqcsohEQ3o3VetYxE=
+go.etcd.io/etcd/client/pkg/v3 v3.5.2/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
+go.etcd.io/etcd/client/v3 v3.5.2 h1:WdnejrUtQC4nCxK0/dLTMqKOB+U5TP/2Ya0BJL+1otA=
+go.etcd.io/etcd/client/v3 v3.5.2/go.mod h1:kOOaWFFgHygyT0WlSmL8TJiXmMysO/nNUlEsSsN6W4o=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
@@ -164,12 +164,12 @@ go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ
 go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
-go.uber.org/zap v1.20.0 h1:N4oPlghZwYG55MlU6LXk/Zp00FVNE9X9wrYO8CEs4lc=
-go.uber.org/zap v1.20.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
+go.uber.org/zap v1.21.0 h1:WefMeulhovoZ2sYXz7st6K0sLj7bBhpiFaud4r4zST8=
+go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
 go.unistack.org/micro-proto/v3 v3.2.1 h1:z7+V97LcAwMbBiYStmf8b6fFk2UPJTzni+rxNqk4NrI=
 go.unistack.org/micro-proto/v3 v3.2.1/go.mod h1:ZltVWNECD5yK+40+OCONzGw4OtmSdTpVi8/KFgo9dqM=
-go.unistack.org/micro/v3 v3.8.20 h1:ZKqkb1IY3sNLgcEN3fxOkVgwxBP3vz8m+p297qLxx9w=
-go.unistack.org/micro/v3 v3.8.20/go.mod h1:aBOCQ6SkAwKMRI7Q1CIsQA2S88ibyJfweJZlT1M2qpE=
+go.unistack.org/micro/v3 v3.8.21 h1:8vYxtIlPnCBZ888BrQSP6+b0CFQcn5FiaqDpI5XqorQ=
+go.unistack.org/micro/v3 v3.8.21/go.mod h1:aBOCQ6SkAwKMRI7Q1CIsQA2S88ibyJfweJZlT1M2qpE=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -295,8 +295,9 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-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.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=

watcher.go

@@ -21,20 +21,14 @@ type etcdWatcher struct {
 }
 
 func newEtcdWatcher(c *clientv3.Client, timeout time.Duration, opts ...register.WatchOption) (register.Watcher, error) {
-	var wo register.WatchOptions
-	for _, o := range opts {
-		o(&wo)
-	}
-	if len(wo.Domain) == 0 {
-		wo.Domain = defaultDomain
-	}
+	wo := register.NewWatchOptions(opts...)
 
-	watchPath := prefix
+	watchPath := DefaultPrefix
 	if wo.Domain == register.WildcardDomain {
 		if len(wo.Service) > 0 {
 			return nil, errors.New("Cannot watch a service across domains")
 		}
-		watchPath = prefix
+		watchPath = DefaultPrefix
 	} else if len(wo.Service) > 0 {
 		watchPath = servicePath(wo.Domain, wo.Service) + "/"
 	}