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chore(*): best practice for api definition #5

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Apr 28, 2020
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38 changes: 0 additions & 38 deletions Gopkg.toml

This file was deleted.

8 changes: 4 additions & 4 deletions cmd/server/main.go
Original file line number Diff line number Diff line change
Expand Up @@ -30,10 +30,10 @@ func main() {
}

// initialize Server config
config := nirvana.NewDefaultConfig().Configure(nirvana.Port(httpPort))

// install APIs
apis.Install(config)
config := nirvana.NewDefaultConfig().Configure(
nirvana.Port(httpPort),
nirvana.Descriptor(apis.Descriptor()),
)

// create the server and server
server := nirvana.NewServer(config)
Expand Down
8 changes: 8 additions & 0 deletions go.mod
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
module github.com/caicloud/nirvana-practice

go 1.13

require (
github.com/caicloud/nirvana v0.2.4
github.com/spf13/pflag v1.0.5
)
135 changes: 135 additions & 0 deletions go.sum
Original file line number Diff line number Diff line change
@@ -0,0 +1,135 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
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github.com/caicloud/nirvana v0.2.4 h1:urCpyTufSTVYllpRJE6vTXOfsdgoDRv6KAqIlQlz+Ps=
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golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
gopkg.in/go-playground/validator.v9 v9.17.1 h1:+BgStg92rQ9TTsN/QTKUMyptg16ZZ+h88BlX4wCi+z4=
gopkg.in/go-playground/validator.v9 v9.17.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
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 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
18 changes: 18 additions & 0 deletions nirvana.yaml
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
# This file describes your project. It's used to generate api docs and
# clients. All fields in this file won't affect nirvana configurations.

project: nirvana-practice-server
description: This is a practice project which using Nirvana API framework
schemes:
- http
hosts:
- localhost:8080
contacts:
- name: Owl
email: [email protected]
description: Maintainer this project
versions:
- name: v1alpha1
description: The v1alpha1 version of this project
rules:
- prefix: /api/v1alpha1/
Comment on lines +15 to +18
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You can add more versions if necessary.

27 changes: 27 additions & 0 deletions pkg/apis/api.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
// +nirvana:api=descriptors:"Descriptor"

package apis

import (
v1alpha1 "github.com/caicloud/nirvana-practice/pkg/apis/v1alpha1/descriptors"
"github.com/caicloud/nirvana-practice/pkg/middleware"

def "github.com/caicloud/nirvana/definition"
"github.com/caicloud/nirvana/log"
)

// Descriptor returns a combined descriptor for APIs of all versions.
func Descriptor() def.Descriptor {
return def.Descriptor{
Description: "APIs",
Path: "/api",
Middlewares: []def.Middleware{
middleware.Reqlog(log.DefaultLogger()),
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Use the log middleware in go-common

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go-common is a private repo and this is a public repo

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@supereagle supereagle Apr 27, 2020

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Have copy the log middleware from go-common to this repo, PTAL.

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Maybe we can just change go-common to a public repo?

My concern is that once we start advocating this practice, then people will start to use this copied version of log package, instead of the one in go-common, making it difficult to maintain.

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Maybe we can just change go-common to a public repo?

I don't like that idea, at least not now. It'll make things more complicated.

Instead, why don't we add some of the more mature features from go-common to Nirvana? One thing we should definitely think about is to implement some built-in middleware in Nirvana. reqlog is obvious. The metrics plugin would also use a middleware implementation (you don't usually want request metrics on the /metrics API).

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SGTM, we can move the plugins into nirvana core, or create another dedicated nirvana-plugins repo.

},
Consumes: []string{def.MIMEJSON},
Produces: []string{def.MIMEJSON},
Children: []def.Descriptor{
v1alpha1.Descriptor(),
},
}
}
38 changes: 0 additions & 38 deletions pkg/apis/install.go

This file was deleted.

26 changes: 26 additions & 0 deletions pkg/apis/v1alpha1/customers.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
package v1alpha1

import (
"time"

meta "github.com/caicloud/nirvana-practice/pkg/apis/meta/v1"
)

type Customer struct {
meta.Metadata `json:",inline"`
Spec *CustomerSpec `json:"spec,omitempty"`
Status *CustomerStatus `json:"status,omitempty"`
}

type CustomerSpec struct {
Sex string `json:"sex,omitempty"`
}

type CustomerStatus struct {
LatestLoginTimestamp *time.Time `json:"latestLoginTimestamp,omitempty"`
}

type CustomersList struct {
Total int `json:"total"`
Items []*Customer `json:"items,omitempty"`
}
84 changes: 84 additions & 0 deletions pkg/apis/v1alpha1/descriptors/customers.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,84 @@
package descriptors

import (
"github.com/caicloud/nirvana/definition"
"github.com/caicloud/nirvana/operators/validator"

meta "github.com/caicloud/nirvana-practice/pkg/apis/meta/v1"
"github.com/caicloud/nirvana-practice/pkg/handlers"
)

func init() {
register(customers...)
}

var customers = []definition.Descriptor{
{
Path: "/customers",
Description: "Customer API",
Tags: []string{"customer"},
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Add tags to classify APIs.

Definitions: []definition.Definition{listCustomers, createCustomer},
Children: []definition.Descriptor{
{
Path: "/{customer}",
Definitions: []definition.Definition{getCustomer, updateCustomer, deleteCustomer},
},
},
},
}

var listCustomers = definition.Definition{
Method: definition.List,
Description: "list customers",
Function: handlers.ListCustomers,
Parameters: []definition.Parameter{
{
Source: definition.Auto,
Name: "options",
Description: "generic list options",
Operators: []definition.Operator{validator.Struct(&meta.ListOptions{})},
},
},
Results: definition.DataErrorResults("listed customers"),
}

var createCustomer = definition.Definition{
Method: definition.Create,
Description: "create customer",
Function: handlers.CreateCustomer,
Parameters: []definition.Parameter{
definition.BodyParameterFor("JSON body to describe the new customer"),
},
Results: definition.DataErrorResults("customer"),
}

var getCustomer = definition.Definition{
Method: definition.Get,
Description: "get customer",
Function: handlers.GetCustomer,
Parameters: []definition.Parameter{
definition.PathParameterFor("customer", "name of the customer to get"),
},
Results: definition.DataErrorResults("customer"),
}

var updateCustomer = definition.Definition{
Method: definition.Update,
Description: "update customer",
Function: handlers.UpdateCustomer,
Parameters: []definition.Parameter{
definition.PathParameterFor("customer", "name of the customer to update"),
definition.BodyParameterFor("JSON body to describe the new customer"),
},
Results: definition.DataErrorResults("customer"),
}

var deleteCustomer = definition.Definition{
Method: definition.Delete,
Description: "delete customer",
Function: handlers.DeleteCustomer,
Parameters: []definition.Parameter{
definition.PathParameterFor("customer", "name of the customer to delete"),
},
Results: []definition.Result{definition.ErrorResult()},
}
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