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Posted to notifications@skywalking.apache.org by li...@apache.org on 2020/12/09 15:12:17 UTC
[skywalking-satellite] branch enhance-plugin-system created (now
8d443d1)
This is an automated email from the ASF dual-hosted git repository.
liujiapeng pushed a change to branch enhance-plugin-system
in repository https://gitbox.apache.org/repos/asf/skywalking-satellite.git.
at 8d443d1 Aggregate registry & fix some comments
This branch includes the following new commits:
new 5134c56 enhance-plugin-system
new 8d443d1 Aggregate registry & fix some comments
The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails. The revisions
listed as "add" were already present in the repository and have only
been added to this reference.
[skywalking-satellite] 02/02: Aggregate registry & fix some comments
Posted by li...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
liujiapeng pushed a commit to branch enhance-plugin-system
in repository https://gitbox.apache.org/repos/asf/skywalking-satellite.git
commit 8d443d14b5e73a1793bffb6c21639db9a234ed2a
Author: Evan <ev...@outlook.com>
AuthorDate: Wed Dec 9 23:11:49 2020 +0800
Aggregate registry & fix some comments
---
internal/pkg/plugin/definition.go | 9 +++++++
internal/pkg/plugin/plugin_test.go | 2 +-
internal/pkg/plugin/registry.go | 46 ++++++++++++++++--------------------
plugins/client/api/client.go | 2 +-
plugins/collector/api/collector.go | 19 +++------------
plugins/fallbacker/api/fallbacker.go | 4 ++--
plugins/filter/api/filter.go | 14 +++--------
plugins/forwarder/api/forwarder.go | 3 +--
plugins/parser/api/parser.go | 5 +---
plugins/queue/api/queue.go | 6 ++---
10 files changed, 43 insertions(+), 67 deletions(-)
diff --git a/internal/pkg/plugin/definition.go b/internal/pkg/plugin/definition.go
index bf73689..160ba6c 100644
--- a/internal/pkg/plugin/definition.go
+++ b/internal/pkg/plugin/definition.go
@@ -17,6 +17,8 @@
package plugin
+import "reflect"
+
// Plugin defines the plugin model in Satellite.
type Plugin interface {
// Name returns the name of the specific plugin.
@@ -33,3 +35,10 @@ type InitializingFunc func(plugin Plugin, config interface{})
// CallbackFunc would be invoked after initializing.
type CallbackFunc func(plugin Plugin)
+
+type RegInfo struct {
+ PluginType reflect.Type
+ NameFinder NameFinderFunc
+ Initializing InitializingFunc
+ Callback CallbackFunc
+}
diff --git a/internal/pkg/plugin/plugin_test.go b/internal/pkg/plugin/plugin_test.go
index a14eb3b..1030333 100644
--- a/internal/pkg/plugin/plugin_test.go
+++ b/internal/pkg/plugin/plugin_test.go
@@ -96,6 +96,6 @@ func TestPlugin(t *testing.T) {
}
func init() {
- RegisterPluginCategory(reflect.TypeOf((*DemoCategory)(nil)).Elem(), nil, nil, nil)
+ RegisterPluginCategory(&RegInfo{PluginType: reflect.TypeOf((*DemoCategory)(nil)).Elem()})
RegisterPlugin(&DemoPlugin{})
}
diff --git a/internal/pkg/plugin/registry.go b/internal/pkg/plugin/registry.go
index 9059d66..26cb589 100644
--- a/internal/pkg/plugin/registry.go
+++ b/internal/pkg/plugin/registry.go
@@ -18,6 +18,7 @@
package plugin
import (
+ "errors"
"fmt"
"reflect"
"sync"
@@ -25,18 +26,14 @@ import (
// the global plugin registry
var (
- lock sync.Mutex
- reg map[reflect.Type]map[string]reflect.Value
- initFuncReg map[reflect.Type]InitializingFunc
- callbackFuncReg map[reflect.Type]CallbackFunc
- nameFinderFuncReg map[reflect.Type]NameFinderFunc
+ lock sync.Mutex
+ reg map[reflect.Type]map[string]reflect.Value
+ meta map[reflect.Type]*RegInfo
)
func init() {
reg = make(map[reflect.Type]map[string]reflect.Value)
- initFuncReg = make(map[reflect.Type]InitializingFunc)
- callbackFuncReg = make(map[reflect.Type]CallbackFunc)
- nameFinderFuncReg = make(map[reflect.Type]NameFinderFunc)
+ meta = make(map[reflect.Type]*RegInfo)
}
// RegisterCategory register new plugin category with default InitializingFunc.
@@ -46,26 +43,23 @@ func init() {
// n: the plugin name finder,and the default value is defaultNameFinder
// i, the plugin initializer, and the default value is defaultInitializing
// c, the plugin initializer callback func, and the default value is defaultCallBack
-func RegisterPluginCategory(pluginCategory reflect.Type, n NameFinderFunc, i InitializingFunc, c CallbackFunc) {
+func RegisterPluginCategory(m *RegInfo) {
lock.Lock()
defer lock.Unlock()
- reg[pluginCategory] = map[string]reflect.Value{}
-
- if n == nil {
- nameFinderFuncReg[pluginCategory] = defaultNameFinder
- } else {
- nameFinderFuncReg[pluginCategory] = n
+ if m.PluginType == nil {
+ panic(errors.New("cannot register RegInfo because the PluginType is nil"))
+ }
+ if m.NameFinder == nil {
+ m.NameFinder = defaultNameFinder
}
- if i == nil {
- initFuncReg[pluginCategory] = defaultInitializing
- } else {
- initFuncReg[pluginCategory] = i
+ if m.Initializing == nil {
+ m.Initializing = defaultInitializing
}
- if c == nil {
- callbackFuncReg[pluginCategory] = defaultCallBack
- } else {
- callbackFuncReg[pluginCategory] = c
+ if m.Callback == nil {
+ m.Callback = defaultCallBack
}
+ reg[m.PluginType] = map[string]reflect.Value{}
+ meta[m.PluginType] = m
}
// RegisterPlugin registers the pluginType as plugin.
@@ -91,7 +85,7 @@ func RegisterPlugin(plugin Plugin) {
func Get(category reflect.Type, cfg interface{}) Plugin {
lock.Lock()
defer lock.Unlock()
- pluginName := nameFinderFuncReg[category](cfg)
+ pluginName := meta[category].NameFinder(cfg)
value, ok := reg[category][pluginName]
if !ok {
panic(fmt.Errorf("cannot find %s plugin, and the category of plugin is %s", pluginName, category))
@@ -102,7 +96,7 @@ func Get(category reflect.Type, cfg interface{}) Plugin {
}
plugin := reflect.New(t).Interface().(Plugin)
- initFuncReg[category](plugin, cfg)
- callbackFuncReg[category](plugin)
+ meta[category].Initializing(plugin, cfg)
+ meta[category].Callback(plugin)
return plugin
}
diff --git a/plugins/client/api/client.go b/plugins/client/api/client.go
index 33f61a6..5b584e2 100644
--- a/plugins/client/api/client.go
+++ b/plugins/client/api/client.go
@@ -46,5 +46,5 @@ func GetClient(config plugin.DefaultConfig) Client {
}
func init() {
- plugin.RegisterPluginCategory(reflect.TypeOf((*Client)(nil)).Elem(), nil, nil, nil)
+ plugin.RegisterPluginCategory(&plugin.RegInfo{PluginType: reflect.TypeOf((*Client)(nil)).Elem()})
}
diff --git a/plugins/collector/api/collector.go b/plugins/collector/api/collector.go
index a756974..1ad15b0 100644
--- a/plugins/collector/api/collector.go
+++ b/plugins/collector/api/collector.go
@@ -24,21 +24,10 @@ import (
"github.com/apache/skywalking-satellite/internal/pkg/plugin"
)
-// Init() Initial stage: Init plugin by config
-// ||
-// \/
-// Init() Preparing stage: Init the collector, such as build connection with SkyWalking javaagent.
-// ||
-// \/
-// Next() Running stage: When Collector collect a data, the data would be fetched by the upstream
-// || component through this method.
-// \/
-// Close() Closing stage: Close the Collector, such as close connection with SkyWalking javaagent.
-
// Collector is a plugin interface, that defines new collectors.
type Collector interface {
plugin.Plugin
- // Prepare creates a listener or reader to gather APM data.
+ // Prepare creates a listener or reader to gather APM data, such as build connection with SkyWalking javaagent.
Prepare() error
// Next return the data from the input.
EventChannel() <-chan event.SerializableEvent
@@ -46,13 +35,11 @@ type Collector interface {
Close() error
}
-var CollectorCategory = reflect.TypeOf((*Collector)(nil)).Elem()
-
// Get collector plugin.
func GetCollector(config plugin.DefaultConfig) Collector {
- return plugin.Get(CollectorCategory, config).(Collector)
+ return plugin.Get(reflect.TypeOf((*Collector)(nil)).Elem(), config).(Collector)
}
func init() {
- plugin.RegisterPluginCategory(CollectorCategory, nil, nil, nil)
+ plugin.RegisterPluginCategory(&plugin.RegInfo{PluginType: reflect.TypeOf((*Collector)(nil)).Elem()})
}
diff --git a/plugins/fallbacker/api/fallbacker.go b/plugins/fallbacker/api/fallbacker.go
index 91dea45..658b8c8 100644
--- a/plugins/fallbacker/api/fallbacker.go
+++ b/plugins/fallbacker/api/fallbacker.go
@@ -29,7 +29,7 @@ import (
type Fallbacker interface {
plugin.Plugin
// FallBack returns nil when finishing a successful process and returns a new Fallbacker when failure.
- FallBack(batch event.BatchEvents, connection interface{}, forward api.ForwardFunc, callback DisconnectionCallback) Fallbacker
+ FallBack(batch event.BatchEvents, connection interface{}, forward api.ForwardFunc)
}
type DisconnectionCallback func()
@@ -41,5 +41,5 @@ func GetFallbacker(config plugin.DefaultConfig) Fallbacker {
// init register the Fallbacker interface
func init() {
- plugin.RegisterPluginCategory(reflect.TypeOf((*Fallbacker)(nil)).Elem(), nil, nil, nil)
+ plugin.RegisterPluginCategory(&plugin.RegInfo{PluginType: reflect.TypeOf((*Fallbacker)(nil)).Elem()})
}
diff --git a/plugins/filter/api/filter.go b/plugins/filter/api/filter.go
index bc8e9bb..f755aa2 100644
--- a/plugins/filter/api/filter.go
+++ b/plugins/filter/api/filter.go
@@ -24,27 +24,19 @@ import (
"github.com/apache/skywalking-satellite/internal/pkg/plugin"
)
-// Init() Initiating stage: Init plugin by config
-// ||
-// \/
-// Process() Running stage: Process the input event to convert to new event. During the processing,
-// the method should also tag event type to mark the event category.
-
// Filter is a plugin interface, that defines new pipeline filters.
type Filter interface {
plugin.Plugin
- // Process would fetch the needed event
+ // Process would put the needed event to the OutputEventContext.
Process(context *event.OutputEventContext)
}
-var FilterCategory = reflect.TypeOf((*Filter)(nil)).Elem()
-
// Get filter plugin.
func GetFilter(config plugin.DefaultConfig) Filter {
- return plugin.Get(FilterCategory, config).(Filter)
+ return plugin.Get(reflect.TypeOf((*Filter)(nil)).Elem(), config).(Filter)
}
func init() {
- plugin.RegisterPluginCategory(FilterCategory, nil, nil, nil)
+ plugin.RegisterPluginCategory(&plugin.RegInfo{PluginType: reflect.TypeOf((*Filter)(nil)).Elem()})
}
diff --git a/plugins/forwarder/api/forwarder.go b/plugins/forwarder/api/forwarder.go
index b0509cd..b869159 100644
--- a/plugins/forwarder/api/forwarder.go
+++ b/plugins/forwarder/api/forwarder.go
@@ -27,7 +27,6 @@ import (
// Forwarder is a plugin interface, that defines new forwarders.
type Forwarder interface {
plugin.Plugin
-
// Forward the batch events to the external services, such as Kafka MQ and SkyWalking OAP cluster.
Forward(connection interface{}, batch event.BatchEvents) error
// ForwardType returns the supported event type.
@@ -44,5 +43,5 @@ func GetForwarder(config map[string]interface{}) Forwarder {
// init register the Forwarder interface
func init() {
- plugin.RegisterPluginCategory(reflect.TypeOf((*Forwarder)(nil)).Elem(), nil, nil, nil)
+ plugin.RegisterPluginCategory(&plugin.RegInfo{PluginType: reflect.TypeOf((*Forwarder)(nil)).Elem()})
}
diff --git a/plugins/parser/api/parser.go b/plugins/parser/api/parser.go
index cba3bca..5677216 100644
--- a/plugins/parser/api/parser.go
+++ b/plugins/parser/api/parser.go
@@ -24,9 +24,6 @@ import (
"github.com/apache/skywalking-satellite/internal/pkg/plugin"
)
-//
-// Collector ==> RawData ==> Parser ==> SerializableEvent
-//
// Parser is a plugin interface, that defines new Parsers for Collector plugin.
type Parser interface {
plugin.Plugin
@@ -43,5 +40,5 @@ func GetParser(pluginName string, config plugin.DefaultConfig) Parser {
}
func init() {
- plugin.RegisterPluginCategory(reflect.TypeOf((*Parser)(nil)).Elem(), nil, nil, nil)
+ plugin.RegisterPluginCategory(&plugin.RegInfo{PluginType: reflect.TypeOf((*Parser)(nil)).Elem()})
}
diff --git a/plugins/queue/api/queue.go b/plugins/queue/api/queue.go
index f6d4d69..9966326 100644
--- a/plugins/queue/api/queue.go
+++ b/plugins/queue/api/queue.go
@@ -56,12 +56,10 @@ type QueueConsumer interface {
Dequeue() (event event.SerializableEvent, offset int64, err error)
}
-var QueueCategory = reflect.TypeOf((*Queue)(nil)).Elem()
-
func GetQueue(config plugin.DefaultConfig) Queue {
- return plugin.Get(QueueCategory, config).(Queue)
+ return plugin.Get(reflect.TypeOf((*Queue)(nil)).Elem(), config).(Queue)
}
func init() {
- plugin.RegisterPluginCategory(QueueCategory, nil, nil, nil)
+ plugin.RegisterPluginCategory(&plugin.RegInfo{PluginType: reflect.TypeOf((*Queue)(nil)).Elem()})
}
[skywalking-satellite] 01/02: enhance-plugin-system
Posted by li...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
liujiapeng pushed a commit to branch enhance-plugin-system
in repository https://gitbox.apache.org/repos/asf/skywalking-satellite.git
commit 5134c56b3cc2b5147545b707f5457141527ecb90
Author: Evan <ev...@outlook.com>
AuthorDate: Tue Dec 8 21:51:21 2020 +0800
enhance-plugin-system
---
docs/design/module_structure.md | 11 +
docs/design/plugin_structure.md | 47 ++++
go.mod | 5 +-
go.sum | 286 +++++++++++++++++++++
internal/pkg/plugin/default_plugin.go | 76 ++++++
.../filter.go => internal/pkg/plugin/definition.go | 45 +---
internal/pkg/plugin/plugin_test.go | 101 ++++++++
internal/pkg/plugin/registry.go | 65 +++--
internal/pkg/plugin/define.go => plugins/README.md | 28 +-
plugins/client/api/client.go | 19 +-
plugins/client/example/client.go | 67 -----
plugins/client/example/client_test.go | 71 -----
plugins/collector/api/collector.go | 17 +-
plugins/collector/example/collector.go | 70 -----
plugins/collector/example/collector_test.go | 71 -----
plugins/fallbacker/api/fallbacker.go | 13 +-
plugins/fallbacker/example/fallbacker.go | 57 ----
plugins/fallbacker/example/fallbacker_test.go | 71 -----
plugins/fallbacker/timer/timer_fallbacker.go | 62 +++++
plugins/filter/api/filter.go | 10 +-
plugins/filter/example/filter_test.go | 71 -----
plugins/forwarder/api/forwarder.go | 27 +-
plugins/forwarder/example/forwarder.go | 62 -----
plugins/forwarder/example/forwarder_test.go | 71 -----
plugins/parser/api/parser.go | 8 +-
plugins/parser/example/parser.go | 62 -----
plugins/parser/example/parser_test.go | 71 -----
plugins/queue/api/queue.go | 18 +-
plugins/queue/example/queue.go | 72 ------
plugins/queue/example/queue_test.go | 71 -----
30 files changed, 704 insertions(+), 1021 deletions(-)
diff --git a/docs/design/module_structure.md b/docs/design/module_structure.md
new file mode 100644
index 0000000..3fd01c4
--- /dev/null
+++ b/docs/design/module_structure.md
@@ -0,0 +1,11 @@
+# Module structure
+
+Each module is a plugin in Satellite. According to the extension mechanism in Plugin system, `module.Service` supports DI to decouple the dependencies of different modules.
+
+## Module phases
+`module.Service` has 4 phases in the life cycle, which are Init, Prepare, boot and shutDown.
+
+- Init: Init phase is running in Plugin system to initialize a plugin, and register it to the module container.
+- Prepare: Prepare phase is to do some preparation works, such as make the connection with external services. And do dependency injection depends on the module container.
+- Boot: Boot phase is to start the current module until receives a close signal.
+- ShutDown: ShutDown phase is to close the used resources.
diff --git a/docs/design/plugin_structure.md b/docs/design/plugin_structure.md
new file mode 100644
index 0000000..62805f1
--- /dev/null
+++ b/docs/design/plugin_structure.md
@@ -0,0 +1,47 @@
+# plugin structure
+`Plugin is a common concept for Satellite. Not only does the extension mechanism depend on Plugin, but the core modules also depend on Plugin`
+
+## Registration mechanism
+
+The Plugin registration mechanism in Satellite is similar to the SPI registration mechanism of Java.
+Plugin registration mechanism supports to register an interface and its implementation, that means different interfaces have different registration spaces.
+We can easily find the type of a specific plugin according to the interface and the plugin name and initialize it according to the type.
+
+structure:
+- code: map[reflect.Type]map[string]reflect.Value
+- meaning: map[`interface type`]map[`plugin name`] `plugin type`
+
+
+## Initialization mechanism
+
+Users can easily find a plugin type and initialize an empty plugin instance according to the previous registration mechanism. However, users often need an initialized plugin rather than a empty plugin. So we define the initialization mechanism in
+Plugin structure.
+
+In the initialization mechanism, the plugin category(interface) and the init config is required. Initialize processing is like the following.
+
+1. Find the plugin name in the input config.
+2. Find plugin type according to the plugin category(interface) and the plugin name.
+3. Create an empty plugin.
+4. Initialize the plugin according to the config.
+5. do some callback processing after initialized.
+
+
+## Plugin usage in Satellite
+Not only does the extension mechanism depend on Plugin, but the core modules also depend on Plugin in Satellite. We'll illustrate this with an example.
+
+- Core Module interface: module.Service
+ - the specific plugin: module.Gatherer
+ - the specific plugin: module.Processor
+ - the specific plugin: module.Sender
+ - the specific plugin: module.ClientManager
+- Extension:
+ - Collector interface
+ - the specific plugin: segment-receiver
+ - Queue interface
+ - the specific plugin: mmap-queue
+ - Filter interface
+ - the specific plugin: sampling-filter
+ - Client interface
+ - the specific plugin: gRpc-client
+
+Extension plugins constitute the specific module plugin, such as the segment-receiver plugin is used in the Gatherer plugin. And the module plugins constitute Satellite.
diff --git a/go.mod b/go.mod
index 71fd69d..7980cb6 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,7 @@ module github.com/apache/skywalking-satellite
go 1.14
-require github.com/sirupsen/logrus v1.7.0
+require (
+ github.com/sirupsen/logrus v1.7.0
+ github.com/spf13/viper v1.7.1
+)
diff --git a/go.sum b/go.sum
index 4d74a1e..2d3c7ce 100644
--- a/go.sum
+++ b/go.sum
@@ -1,10 +1,296 @@
+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=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
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+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
diff --git a/internal/pkg/plugin/default_plugin.go b/internal/pkg/plugin/default_plugin.go
new file mode 100644
index 0000000..cab5adc
--- /dev/null
+++ b/internal/pkg/plugin/default_plugin.go
@@ -0,0 +1,76 @@
+// Licensed to Apache Software Foundation (ASF) under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
+
+package plugin
+
+import (
+ "fmt"
+ "strings"
+
+ "github.com/spf13/viper"
+)
+
+// DefaultPluginNameField is a required field in DefaultConfig.
+const DefaultPluginNameField = "plugin_name"
+
+// DefaultInitializingPlugin defines the plugins initialized by defaultInitializing.
+type DefaultInitializingPlugin interface {
+ Plugin
+ // DefaultConfig returns the default config, that is a YAML pattern.
+ DefaultConfig() string
+}
+
+// DefaultConfig is used to initialize the DefaultInitializingPlugin.
+type DefaultConfig map[string]interface{}
+
+// defaultNameFinder is used to get the plugin name in DefaultConfig.
+func defaultNameFinder(cfg interface{}) string {
+ c, ok := cfg.(DefaultConfig)
+ if !ok {
+ panic(fmt.Errorf("defaultNameFinder only supports DefaultConfig"))
+ }
+ name, ok := c[DefaultPluginNameField]
+ if !ok {
+ panic(fmt.Errorf("%s is requeired in DefaultConfig", DefaultPluginNameField))
+ }
+ return name.(string)
+}
+
+// defaultInitializing initialize the fields by fields mapping.
+func defaultInitializing(plugin Plugin, cfg interface{}) {
+ c, ok := cfg.(DefaultConfig)
+ if !ok {
+ panic(fmt.Errorf("%s plugin is a DefaultInitializingPlugin, but the type of configuration is illegal", plugin.Name()))
+ }
+ v := viper.New()
+ v.SetConfigType("yaml")
+ p := plugin.(DefaultInitializingPlugin)
+ if p.DefaultConfig() != "" {
+ if err := v.ReadConfig(strings.NewReader(p.DefaultConfig())); err != nil {
+ panic(fmt.Errorf("cannot read default config in the plugin: %s, the error is %v", plugin.Name(), err))
+ }
+ }
+ if err := v.MergeConfigMap(c); err != nil {
+ panic(fmt.Errorf("%s plugin cannot merge the custom configuration, the error is %v", plugin.Name(), err))
+ }
+ if err := v.Unmarshal(plugin); err != nil {
+ panic(fmt.Errorf("cannot inject the config to the %s plugin, the error is %v", plugin.Name(), err))
+ }
+}
+
+// defaultCallBack does nothing.
+func defaultCallBack(plugin Plugin) {}
diff --git a/plugins/filter/example/filter.go b/internal/pkg/plugin/definition.go
similarity index 56%
rename from plugins/filter/example/filter.go
rename to internal/pkg/plugin/definition.go
index 14abb69..bf73689 100644
--- a/plugins/filter/example/filter.go
+++ b/internal/pkg/plugin/definition.go
@@ -15,40 +15,21 @@
// specific language governing permissions and limitations
// under the License.
-package example
+package plugin
-import "github.com/apache/skywalking-satellite/internal/pkg/event"
-
-type demoFilter struct {
- a string
-}
-
-type demoFilter2 struct {
- a string
-}
-
-type demoFilter3 struct {
- a string
-}
-
-func (d *demoFilter) Description() string {
- panic("implement me")
+// Plugin defines the plugin model in Satellite.
+type Plugin interface {
+ // Name returns the name of the specific plugin.
+ Name() string
+ // Description returns the description of the specific plugin.
+ Description() string
}
-func (d *demoFilter) InitPlugin(config map[string]interface{}) {
-}
-
-func (d *demoFilter) Process(in event.Event) event.Event {
- panic("implement me")
-}
+// NameFinderFunc is used to get the plugin name from different plugin configs.
+type NameFinderFunc func(config interface{}) string
-func (d demoFilter2) Description() string {
- panic("implement me")
-}
+// InitializingFunc is used to initialize the specific plugin.
+type InitializingFunc func(plugin Plugin, config interface{})
-func (d demoFilter2) InitPlugin(config map[string]interface{}) {
-}
-
-func (d demoFilter2) Process(in event.Event) event.Event {
- panic("implement me")
-}
+// CallbackFunc would be invoked after initializing.
+type CallbackFunc func(plugin Plugin)
diff --git a/internal/pkg/plugin/plugin_test.go b/internal/pkg/plugin/plugin_test.go
new file mode 100644
index 0000000..a14eb3b
--- /dev/null
+++ b/internal/pkg/plugin/plugin_test.go
@@ -0,0 +1,101 @@
+// Licensed to Apache Software Foundation (ASF) under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
+
+package plugin
+
+import (
+ "reflect"
+ "testing"
+)
+
+type DemoCategory interface {
+ DefaultInitializingPlugin
+ Say() string
+}
+
+type DemoPlugin struct {
+ Organization string `mapstructure:"organization"`
+ Project string `mapstructure:"project"`
+}
+
+func (d *DemoPlugin) Say() string {
+ return d.Organization + ":" + d.Project
+}
+
+func (d *DemoPlugin) Name() string {
+ return "demoplugin"
+}
+
+func (d *DemoPlugin) Description() string {
+ return "this is just a demo"
+}
+
+func (d *DemoPlugin) DefaultConfig() string {
+ return `
+organization: "ASF"
+project: "skywalking-satellite"
+`
+}
+
+func TestPlugin(t *testing.T) {
+ tests := []struct {
+ name string
+ args DefaultConfig
+ want *DemoPlugin
+ }{
+ {
+ name: "test1",
+ args: DefaultConfig{
+ "plugin_name": "demoplugin",
+ "organization": "CNCF",
+ "project": "Fluentd",
+ },
+ want: &DemoPlugin{
+ Organization: "CNCF",
+ Project: "Fluentd",
+ },
+ },
+ {
+ name: "demoplugin",
+ args: DefaultConfig{
+ "plugin_name": "demoplugin",
+ },
+ want: &DemoPlugin{
+ Organization: "ASF",
+ Project: "skywalking-satellite",
+ },
+ },
+ }
+ for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ defer func() {
+ if i := recover(); i != nil {
+ t.Errorf("the plugin %s is not exist", "demoplugin")
+ }
+ }()
+ plugin := Get(reflect.TypeOf((*DemoCategory)(nil)).Elem(), tt.args)
+ if !reflect.DeepEqual(plugin, tt.want) {
+ t.Errorf("Format() got = %v, want %v", plugin, tt.want)
+ }
+ })
+ }
+}
+
+func init() {
+ RegisterPluginCategory(reflect.TypeOf((*DemoCategory)(nil)).Elem(), nil, nil, nil)
+ RegisterPlugin(&DemoPlugin{})
+}
diff --git a/internal/pkg/plugin/registry.go b/internal/pkg/plugin/registry.go
index 4731d36..9059d66 100644
--- a/internal/pkg/plugin/registry.go
+++ b/internal/pkg/plugin/registry.go
@@ -23,57 +23,86 @@ import (
"sync"
)
-// All plugins is wrote in ./plugins dir. The plugin type would be as the next level dirs,
-// such as collector, client, or queue. And the 3rd level is the plugin name, that is also
-// used as key in pluginRegistry.
-
-// reg is the global plugin registry
+// the global plugin registry
var (
- reg map[reflect.Type]map[string]reflect.Value
- lock sync.Mutex
+ lock sync.Mutex
+ reg map[reflect.Type]map[string]reflect.Value
+ initFuncReg map[reflect.Type]InitializingFunc
+ callbackFuncReg map[reflect.Type]CallbackFunc
+ nameFinderFuncReg map[reflect.Type]NameFinderFunc
)
func init() {
reg = make(map[reflect.Type]map[string]reflect.Value)
+ initFuncReg = make(map[reflect.Type]InitializingFunc)
+ callbackFuncReg = make(map[reflect.Type]CallbackFunc)
+ nameFinderFuncReg = make(map[reflect.Type]NameFinderFunc)
}
-// Add new plugin category. The different plugin category could have same plugin names.
-func AddPluginCategory(pluginCategory reflect.Type) {
+// RegisterCategory register new plugin category with default InitializingFunc.
+// required:
+// pluginCategory: the plugin interface type.
+// Optional:
+// n: the plugin name finder,and the default value is defaultNameFinder
+// i, the plugin initializer, and the default value is defaultInitializing
+// c, the plugin initializer callback func, and the default value is defaultCallBack
+func RegisterPluginCategory(pluginCategory reflect.Type, n NameFinderFunc, i InitializingFunc, c CallbackFunc) {
lock.Lock()
defer lock.Unlock()
reg[pluginCategory] = map[string]reflect.Value{}
+
+ if n == nil {
+ nameFinderFuncReg[pluginCategory] = defaultNameFinder
+ } else {
+ nameFinderFuncReg[pluginCategory] = n
+ }
+ if i == nil {
+ initFuncReg[pluginCategory] = defaultInitializing
+ } else {
+ initFuncReg[pluginCategory] = i
+ }
+ if c == nil {
+ callbackFuncReg[pluginCategory] = defaultCallBack
+ } else {
+ callbackFuncReg[pluginCategory] = c
+ }
}
// RegisterPlugin registers the pluginType as plugin.
// If the plugin is a pointer receiver, please pass a pointer. Otherwise, please pass a value.
-func RegisterPlugin(pluginName string, plugin interface{}) {
+func RegisterPlugin(plugin Plugin) {
lock.Lock()
defer lock.Unlock()
v := reflect.ValueOf(plugin)
success := false
for pCategory, pReg := range reg {
if v.Type().Implements(pCategory) {
- pReg[pluginName] = v
- fmt.Printf("register %s %s successfully ", pluginName, v.Type().String())
+ pReg[plugin.Name()] = v
+ fmt.Printf("register %s %s successfully ", plugin.Name(), v.Type().String())
success = true
}
}
if !success {
- fmt.Printf("this type of %s is not supported to register : %s", pluginName, v.Type().String())
+ fmt.Printf("this type of %s is not supported to register : %s", plugin.Name(), v.Type().String())
}
}
-// Get the specific plugin according to the pluginCategory and pluginName.
-func Get(pluginCategory reflect.Type, pluginName string, config map[string]interface{}) Plugin {
- value, ok := reg[pluginCategory][pluginName]
+// Get an initialized specific plugin according to the pluginCategory and pluginName.
+func Get(category reflect.Type, cfg interface{}) Plugin {
+ lock.Lock()
+ defer lock.Unlock()
+ pluginName := nameFinderFuncReg[category](cfg)
+ value, ok := reg[category][pluginName]
if !ok {
- panic(fmt.Errorf("cannot find %s plugin, and the category of plugin is %s", pluginName, pluginCategory))
+ panic(fmt.Errorf("cannot find %s plugin, and the category of plugin is %s", pluginName, category))
}
t := value.Type()
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
+
plugin := reflect.New(t).Interface().(Plugin)
- plugin.InitPlugin(config)
+ initFuncReg[category](plugin, cfg)
+ callbackFuncReg[category](plugin)
return plugin
}
diff --git a/internal/pkg/plugin/define.go b/plugins/README.md
similarity index 81%
rename from internal/pkg/plugin/define.go
rename to plugins/README.md
index ad95698..c67bca2 100644
--- a/internal/pkg/plugin/define.go
+++ b/plugins/README.md
@@ -1,22 +1,4 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package plugin
-
+```
// The following graph illustrates the relationship between different plugin interface in api package.
//
//
@@ -75,10 +57,4 @@ package plugin
// There are four stages in the lifecycle of Satellite plugins, which are the initial phase,
// preparing phase, running phase, and closing phase. In the running phase, each plugin has
// its own interface definition. However, the other three phases have to be defined uniformly.
-
-type Plugin interface {
- // Description returns the description of the specific plugin.
- Description() string
- // Init initialize the specific plugin.
- InitPlugin(config map[string]interface{})
-}
+```
\ No newline at end of file
diff --git a/plugins/client/api/client.go b/plugins/client/api/client.go
index 51d2b65..33f61a6 100644
--- a/plugins/client/api/client.go
+++ b/plugins/client/api/client.go
@@ -27,21 +27,24 @@ import (
type Client interface {
plugin.Plugin
- // Prepare would make connection with outer service.
- Prepare()
+ // Init would make connection with outer service.
+ Connect() error
+
+ // Return the status of the client.
+ IsConnected() bool
+
// GetConnection returns the connected client to publish events.
GetConnectedClient() interface{}
+
// Close the connection with outer service.
- Close()
+ Close() error
}
-var ClientCategory = reflect.TypeOf((*Client)(nil)).Elem()
-
// Get client plugin.
-func GetClient(pluginName string, config map[string]interface{}) Client {
- return plugin.Get(ClientCategory, pluginName, config).(Client)
+func GetClient(config plugin.DefaultConfig) Client {
+ return plugin.Get(reflect.TypeOf((*Client)(nil)).Elem(), config).(Client)
}
func init() {
- plugin.AddPluginCategory(ClientCategory)
+ plugin.RegisterPluginCategory(reflect.TypeOf((*Client)(nil)).Elem(), nil, nil, nil)
}
diff --git a/plugins/client/example/client.go b/plugins/client/example/client.go
deleted file mode 100644
index 77b29c7..0000000
--- a/plugins/client/example/client.go
+++ /dev/null
@@ -1,67 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-type demoClient struct {
- a string
-}
-type demoClient2 struct {
- a string
-}
-type demoClient3 struct {
- a string
-}
-
-func (d demoClient) Description() string {
- panic("implement me")
-}
-
-func (d demoClient) InitPlugin(config map[string]interface{}) {
-
-}
-
-func (d demoClient) Prepare() {
- panic("implement me")
-}
-
-func (d demoClient) GetConnectedClient() interface{} {
- panic("implement me")
-}
-
-func (d demoClient) Close() {
- panic("implement me")
-}
-
-func (d *demoClient2) Description() string {
- panic("implement me")
-}
-
-func (d *demoClient2) InitPlugin(config map[string]interface{}) {
-}
-
-func (d *demoClient2) Prepare() {
- panic("implement me")
-}
-
-func (d *demoClient2) GetConnectedClient() interface{} {
- panic("implement me")
-}
-
-func (d *demoClient2) Close() {
- panic("implement me")
-}
diff --git a/plugins/client/example/client_test.go b/plugins/client/example/client_test.go
deleted file mode 100644
index a9e355e..0000000
--- a/plugins/client/example/client_test.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "testing"
-
- "github.com/apache/skywalking-satellite/internal/pkg/plugin"
- "github.com/apache/skywalking-satellite/plugins/client/api"
-)
-
-func Test_Register(t *testing.T) {
- tests := []struct {
- name string
- args interface{}
- panic bool
- }{
- {
- name: "demoClient",
- args: demoClient{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoClient2",
- args: &demoClient2{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoClient3",
- args: demoClient3{
- a: "s",
- },
- panic: true,
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- plugin.RegisterPlugin(tt.name, tt.args)
- assertPanic(t, tt.name, nil, tt.panic)
- })
- }
-}
-
-func assertPanic(t *testing.T, name string, config map[string]interface{}, existPanic bool) {
- defer func() {
- if r := recover(); r != nil && !existPanic {
- t.Errorf("the plugin %s is not pass", name)
- }
- }()
- api.GetClient(name, config)
-}
diff --git a/plugins/collector/api/collector.go b/plugins/collector/api/collector.go
index 374d63a..a756974 100644
--- a/plugins/collector/api/collector.go
+++ b/plugins/collector/api/collector.go
@@ -27,7 +27,7 @@ import (
// Init() Initial stage: Init plugin by config
// ||
// \/
-// Prepare() Preparing stage: Prepare the collector, such as build connection with SkyWalking javaagent.
+// Init() Preparing stage: Init the collector, such as build connection with SkyWalking javaagent.
// ||
// \/
// Next() Running stage: When Collector collect a data, the data would be fetched by the upstream
@@ -38,22 +38,21 @@ import (
// Collector is a plugin interface, that defines new collectors.
type Collector interface {
plugin.Plugin
-
- // Prepare creates a listen or reader to gather data.
- Prepare()
+ // Prepare creates a listener or reader to gather APM data.
+ Prepare() error
// Next return the data from the input.
- Next() (event.SerializableEvent, error)
+ EventChannel() <-chan event.SerializableEvent
// Close would close collector.
- Close()
+ Close() error
}
var CollectorCategory = reflect.TypeOf((*Collector)(nil)).Elem()
// Get collector plugin.
-func GetCollector(pluginName string, config map[string]interface{}) Collector {
- return plugin.Get(CollectorCategory, pluginName, config).(Collector)
+func GetCollector(config plugin.DefaultConfig) Collector {
+ return plugin.Get(CollectorCategory, config).(Collector)
}
func init() {
- plugin.AddPluginCategory(CollectorCategory)
+ plugin.RegisterPluginCategory(CollectorCategory, nil, nil, nil)
}
diff --git a/plugins/collector/example/collector.go b/plugins/collector/example/collector.go
deleted file mode 100644
index 40b9b8b..0000000
--- a/plugins/collector/example/collector.go
+++ /dev/null
@@ -1,70 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import "github.com/apache/skywalking-satellite/internal/pkg/event"
-
-type demoCollector struct {
- a string
-}
-
-type demoCollector2 struct {
- a string
-}
-
-type demoCollector3 struct {
- a string
-}
-
-func (d *demoCollector) Description() string {
- panic("implement me")
-}
-
-func (d *demoCollector) InitPlugin(config map[string]interface{}) {
-}
-
-func (d *demoCollector) Prepare() {
- panic("implement me")
-}
-
-func (d *demoCollector) Next() (event.SerializableEvent, error) {
- panic("implement me")
-}
-
-func (d *demoCollector) Close() {
- panic("implement me")
-}
-
-func (d demoCollector2) Description() string {
- panic("implement me")
-}
-
-func (d demoCollector2) InitPlugin(config map[string]interface{}) {
-}
-
-func (d demoCollector2) Prepare() {
- panic("implement me")
-}
-
-func (d demoCollector2) Next() (event.SerializableEvent, error) {
- panic("implement me")
-}
-
-func (d demoCollector2) Close() {
- panic("implement me")
-}
diff --git a/plugins/collector/example/collector_test.go b/plugins/collector/example/collector_test.go
deleted file mode 100644
index e73f3bd..0000000
--- a/plugins/collector/example/collector_test.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "testing"
-
- "github.com/apache/skywalking-satellite/internal/pkg/plugin"
- "github.com/apache/skywalking-satellite/plugins/collector/api"
-)
-
-func Test_Register(t *testing.T) {
- tests := []struct {
- name string
- args interface{}
- panic bool
- }{
- {
- name: "demoCollector",
- args: &demoCollector{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoCollector2",
- args: demoCollector2{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoCollector3",
- args: demoCollector3{
- a: "s",
- },
- panic: true,
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- plugin.RegisterPlugin(tt.name, tt.args)
- assertPanic(t, tt.name, nil, tt.panic)
- })
- }
-}
-
-func assertPanic(t *testing.T, name string, config map[string]interface{}, existPanic bool) {
- defer func() {
- if r := recover(); r != nil && !existPanic {
- t.Errorf("the plugin %s is not pass", name)
- }
- }()
- api.GetCollector(name, config)
-}
diff --git a/plugins/fallbacker/api/fallbacker.go b/plugins/fallbacker/api/fallbacker.go
index bde56ef..91dea45 100644
--- a/plugins/fallbacker/api/fallbacker.go
+++ b/plugins/fallbacker/api/fallbacker.go
@@ -22,23 +22,24 @@ import (
"github.com/apache/skywalking-satellite/internal/pkg/event"
"github.com/apache/skywalking-satellite/internal/pkg/plugin"
+ "github.com/apache/skywalking-satellite/plugins/forwarder/api"
)
// Fallbacker is a plugin interface, that defines some fallback strategies.
type Fallbacker interface {
plugin.Plugin
-
// FallBack returns nil when finishing a successful process and returns a new Fallbacker when failure.
- FallBack(batch event.BatchEvents) Fallbacker
+ FallBack(batch event.BatchEvents, connection interface{}, forward api.ForwardFunc, callback DisconnectionCallback) Fallbacker
}
-var FallbackerCategory = reflect.TypeOf((*Fallbacker)(nil)).Elem()
+type DisconnectionCallback func()
// Get Fallbacker plugin.
-func GetFallbacker(pluginName string, config map[string]interface{}) Fallbacker {
- return plugin.Get(FallbackerCategory, pluginName, config).(Fallbacker)
+func GetFallbacker(config plugin.DefaultConfig) Fallbacker {
+ return plugin.Get(reflect.TypeOf((*Fallbacker)(nil)).Elem(), config).(Fallbacker)
}
+// init register the Fallbacker interface
func init() {
- plugin.AddPluginCategory(FallbackerCategory)
+ plugin.RegisterPluginCategory(reflect.TypeOf((*Fallbacker)(nil)).Elem(), nil, nil, nil)
}
diff --git a/plugins/fallbacker/example/fallbacker.go b/plugins/fallbacker/example/fallbacker.go
deleted file mode 100644
index b933e96..0000000
--- a/plugins/fallbacker/example/fallbacker.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "github.com/apache/skywalking-satellite/internal/pkg/event"
- "github.com/apache/skywalking-satellite/plugins/fallbacker/api"
-)
-
-type demoFallbacker struct {
- a string
-}
-
-type demoFallbacker2 struct {
- a string
-}
-
-type demoFallbacker3 struct {
- a string
-}
-
-func (d *demoFallbacker) Description() string {
- panic("implement me")
-}
-
-func (d *demoFallbacker) InitPlugin(config map[string]interface{}) {
-}
-
-func (d *demoFallbacker) FallBack(batch event.BatchEvents) api.Fallbacker {
- panic("implement me")
-}
-
-func (d demoFallbacker2) Description() string {
- panic("implement me")
-}
-
-func (d demoFallbacker2) InitPlugin(config map[string]interface{}) {
-}
-
-func (d demoFallbacker2) FallBack(batch event.BatchEvents) api.Fallbacker {
- panic("implement me")
-}
diff --git a/plugins/fallbacker/example/fallbacker_test.go b/plugins/fallbacker/example/fallbacker_test.go
deleted file mode 100644
index f5f445f..0000000
--- a/plugins/fallbacker/example/fallbacker_test.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "testing"
-
- "github.com/apache/skywalking-satellite/internal/pkg/plugin"
- "github.com/apache/skywalking-satellite/plugins/fallbacker/api"
-)
-
-func Test_Register(t *testing.T) {
- tests := []struct {
- name string
- args interface{}
- panic bool
- }{
- {
- name: "demoFallbacker",
- args: &demoFallbacker{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoFallbacker2",
- args: demoFallbacker2{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoFallbacker3",
- args: demoFallbacker3{
- a: "s",
- },
- panic: true,
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- plugin.RegisterPlugin(tt.name, tt.args)
- assertPanic(t, tt.name, nil, tt.panic)
- })
- }
-}
-
-func assertPanic(t *testing.T, name string, config map[string]interface{}, existPanic bool) {
- defer func() {
- if r := recover(); r != nil && !existPanic {
- t.Errorf("the plugin %s is not pass", name)
- }
- }()
- api.GetFallbacker(name, config)
-}
diff --git a/plugins/fallbacker/timer/timer_fallbacker.go b/plugins/fallbacker/timer/timer_fallbacker.go
new file mode 100644
index 0000000..b86981e
--- /dev/null
+++ b/plugins/fallbacker/timer/timer_fallbacker.go
@@ -0,0 +1,62 @@
+// Licensed to Apache Software Foundation (ASF) under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
+
+package timer
+
+import (
+ "time"
+
+ "github.com/apache/skywalking-satellite/internal/pkg/event"
+ "github.com/apache/skywalking-satellite/plugins/forwarder/api"
+)
+
+// Fallbacker is a timer fallbacker when forward fails. `latencyFactor` is the standard retry duration,
+// and the time for each retry is expanded by 2 times until the number of retries reaches the maximum.
+type Fallbacker struct {
+ maxTimes int `mapstructure:"max_times"`
+ latencyFactor int `mapstructure:"latency_factor"`
+}
+
+func (t *Fallbacker) Name() string {
+ return "timer-fallbacker"
+}
+
+func (t *Fallbacker) Description() string {
+ return "this is a timer trigger when forward fails."
+}
+
+func (t *Fallbacker) DefaultConfig() string {
+ return `
+max_times: 3
+latency_factor: 2000
+`
+}
+
+func (t *Fallbacker) FallBack(batch event.BatchEvents, connection interface{}, forward api.ForwardFunc) {
+ if err := forward(connection, batch); err != nil {
+ count := 1
+ currentLatency := count * t.latencyFactor
+ for count < t.maxTimes {
+ time.Sleep(time.Duration(currentLatency) * time.Millisecond)
+ if err := forward(connection, batch); err != nil {
+ currentLatency *= 2
+ } else {
+ break
+ }
+ }
+ }
+}
diff --git a/plugins/filter/api/filter.go b/plugins/filter/api/filter.go
index 0ed43db..bc8e9bb 100644
--- a/plugins/filter/api/filter.go
+++ b/plugins/filter/api/filter.go
@@ -34,17 +34,17 @@ import (
type Filter interface {
plugin.Plugin
- // Process produces a new event by processing incoming event.
- Process(in event.Event) event.Event
+ // Process would fetch the needed event
+ Process(context *event.OutputEventContext)
}
var FilterCategory = reflect.TypeOf((*Filter)(nil)).Elem()
// Get filter plugin.
-func GetFilter(pluginName string, config map[string]interface{}) Filter {
- return plugin.Get(FilterCategory, pluginName, config).(Filter)
+func GetFilter(config plugin.DefaultConfig) Filter {
+ return plugin.Get(FilterCategory, config).(Filter)
}
func init() {
- plugin.AddPluginCategory(FilterCategory)
+ plugin.RegisterPluginCategory(FilterCategory, nil, nil, nil)
}
diff --git a/plugins/filter/example/filter_test.go b/plugins/filter/example/filter_test.go
deleted file mode 100644
index aae4371..0000000
--- a/plugins/filter/example/filter_test.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "testing"
-
- "github.com/apache/skywalking-satellite/internal/pkg/plugin"
- "github.com/apache/skywalking-satellite/plugins/filter/api"
-)
-
-func Test_Register(t *testing.T) {
- tests := []struct {
- name string
- args interface{}
- panic bool
- }{
- {
- name: "demoFilter",
- args: &demoFilter{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoFilter2",
- args: demoFilter2{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoFilter3",
- args: demoFilter3{
- a: "s",
- },
- panic: true,
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- plugin.RegisterPlugin(tt.name, tt.args)
- assertPanic(t, tt.name, nil, tt.panic)
- })
- }
-}
-
-func assertPanic(t *testing.T, name string, config map[string]interface{}, existPanic bool) {
- defer func() {
- if r := recover(); r != nil && !existPanic {
- t.Errorf("the plugin %s is not pass", name)
- }
- }()
- api.GetFilter(name, config)
-}
diff --git a/plugins/forwarder/api/forwarder.go b/plugins/forwarder/api/forwarder.go
index 9e99f14..b0509cd 100644
--- a/plugins/forwarder/api/forwarder.go
+++ b/plugins/forwarder/api/forwarder.go
@@ -24,34 +24,25 @@ import (
"github.com/apache/skywalking-satellite/internal/pkg/plugin"
)
-// Init() Initiating stage: Init plugin by config
-// ||
-// \/
-// Prepare() Preparing stage: Prepare the Forwarder, such as get remote client.
-// ||
-// \/
-// Forward() Running stage: Forward the batch events
-// ||
-// \/
-// Close() Closing stage: Close the Collector, such as close connection with SkyWalking javaagent.
-
// Forwarder is a plugin interface, that defines new forwarders.
type Forwarder interface {
plugin.Plugin
// Forward the batch events to the external services, such as Kafka MQ and SkyWalking OAP cluster.
- Forward(batch event.BatchEvents)
-
- // ForwardType returns the supporting event type that could be forwarded.
+ Forward(connection interface{}, batch event.BatchEvents) error
+ // ForwardType returns the supported event type.
ForwardType() event.Type
}
-var ForwarderCategory = reflect.TypeOf((*Forwarder)(nil)).Elem()
+// ForwardFunc represent the Forward() in Forwarder
+type ForwardFunc func(connection interface{}, batch event.BatchEvents) error
-func GetForwarder(pluginName string, config map[string]interface{}) Forwarder {
- return plugin.Get(ForwarderCategory, pluginName, config).(Forwarder)
+// GetForwarder returns an initialized forwarder plugin.
+func GetForwarder(config map[string]interface{}) Forwarder {
+ return plugin.Get(reflect.TypeOf((*Forwarder)(nil)).Elem(), config).(Forwarder)
}
+// init register the Forwarder interface
func init() {
- plugin.AddPluginCategory(ForwarderCategory)
+ plugin.RegisterPluginCategory(reflect.TypeOf((*Forwarder)(nil)).Elem(), nil, nil, nil)
}
diff --git a/plugins/forwarder/example/forwarder.go b/plugins/forwarder/example/forwarder.go
deleted file mode 100644
index 637f9e1..0000000
--- a/plugins/forwarder/example/forwarder.go
+++ /dev/null
@@ -1,62 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import "github.com/apache/skywalking-satellite/internal/pkg/event"
-
-type demoForwarder struct {
- a string
-}
-
-type demoForwarder2 struct {
- a string
-}
-
-type demoForwarder3 struct {
- a string
-}
-
-func (d *demoForwarder) Description() string {
- panic("implement me")
-}
-
-func (d *demoForwarder) InitPlugin(config map[string]interface{}) {
-}
-
-func (d *demoForwarder) Forward(batch event.BatchEvents) {
- panic("implement me")
-}
-
-func (d demoForwarder2) Description() string {
- panic("implement me")
-}
-
-func (d demoForwarder2) InitPlugin(config map[string]interface{}) {
-}
-
-func (d demoForwarder2) Forward(batch event.BatchEvents) {
- panic("implement me")
-}
-
-func (d demoForwarder2) ForwardType() event.Type {
- panic("implement me")
-}
-
-func (d *demoForwarder) ForwardType() event.Type {
- panic("implement me")
-}
diff --git a/plugins/forwarder/example/forwarder_test.go b/plugins/forwarder/example/forwarder_test.go
deleted file mode 100644
index 28de35d..0000000
--- a/plugins/forwarder/example/forwarder_test.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "testing"
-
- "github.com/apache/skywalking-satellite/internal/pkg/plugin"
- "github.com/apache/skywalking-satellite/plugins/forwarder/api"
-)
-
-func Test_Register(t *testing.T) {
- tests := []struct {
- name string
- args interface{}
- panic bool
- }{
- {
- name: "demoForwarder",
- args: &demoForwarder{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoForwarder2",
- args: demoForwarder2{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoForwarder3",
- args: demoForwarder3{
- a: "s",
- },
- panic: true,
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- plugin.RegisterPlugin(tt.name, tt.args)
- assertPanic(t, tt.name, nil, tt.panic)
- })
- }
-}
-
-func assertPanic(t *testing.T, name string, config map[string]interface{}, existPanic bool) {
- defer func() {
- if r := recover(); r != nil && !existPanic {
- t.Errorf("the plugin %s is not pass", name)
- }
- }()
- api.GetForwarder(name, config)
-}
diff --git a/plugins/parser/api/parser.go b/plugins/parser/api/parser.go
index 3ca5ebe..cba3bca 100644
--- a/plugins/parser/api/parser.go
+++ b/plugins/parser/api/parser.go
@@ -38,12 +38,10 @@ type Parser interface {
ParseStr(str string) ([]event.SerializableEvent, error)
}
-var ParserCategory = reflect.TypeOf((*Parser)(nil)).Elem()
-
-func GetParser(pluginName string, config map[string]interface{}) Parser {
- return plugin.Get(ParserCategory, pluginName, config).(Parser)
+func GetParser(pluginName string, config plugin.DefaultConfig) Parser {
+ return plugin.Get(reflect.TypeOf((*Parser)(nil)).Elem(), config).(Parser)
}
func init() {
- plugin.AddPluginCategory(ParserCategory)
+ plugin.RegisterPluginCategory(reflect.TypeOf((*Parser)(nil)).Elem(), nil, nil, nil)
}
diff --git a/plugins/parser/example/parser.go b/plugins/parser/example/parser.go
deleted file mode 100644
index 839956f..0000000
--- a/plugins/parser/example/parser.go
+++ /dev/null
@@ -1,62 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import "github.com/apache/skywalking-satellite/internal/pkg/event"
-
-type demoParser struct {
- a string
-}
-
-type demoParser2 struct {
- a string
-}
-
-type demoParser3 struct {
- a string
-}
-
-func (d *demoParser) Description() string {
- panic("implement me")
-}
-
-func (d *demoParser) InitPlugin(config map[string]interface{}) {
-}
-
-func (d *demoParser) ParseBytes(bytes []byte) ([]event.SerializableEvent, error) {
- panic("implement me")
-}
-
-func (d *demoParser) ParseStr(str string) ([]event.SerializableEvent, error) {
- panic("implement me")
-}
-
-func (d demoParser2) Description() string {
- panic("implement me")
-}
-
-func (d demoParser2) InitPlugin(config map[string]interface{}) {
-}
-
-func (d demoParser2) ParseBytes(bytes []byte) ([]event.SerializableEvent, error) {
- panic("implement me")
-}
-
-func (d demoParser2) ParseStr(str string) ([]event.SerializableEvent, error) {
- panic("implement me")
-}
diff --git a/plugins/parser/example/parser_test.go b/plugins/parser/example/parser_test.go
deleted file mode 100644
index b577f7d..0000000
--- a/plugins/parser/example/parser_test.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "testing"
-
- "github.com/apache/skywalking-satellite/internal/pkg/plugin"
- "github.com/apache/skywalking-satellite/plugins/parser/api"
-)
-
-func Test_Register(t *testing.T) {
- tests := []struct {
- name string
- args interface{}
- panic bool
- }{
- {
- name: "demoParser",
- args: &demoParser{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoParser2",
- args: demoParser2{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoParser3",
- args: demoParser3{
- a: "s",
- },
- panic: true,
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- plugin.RegisterPlugin(tt.name, tt.args)
- assertPanic(t, tt.name, nil, tt.panic)
- })
- }
-}
-
-func assertPanic(t *testing.T, name string, config map[string]interface{}, existPanic bool) {
- defer func() {
- if r := recover(); r != nil && !existPanic {
- t.Errorf("the plugin %s is not pass", name)
- }
- }()
- api.GetParser(name, config)
-}
diff --git a/plugins/queue/api/queue.go b/plugins/queue/api/queue.go
index 9b95156..f6d4d69 100644
--- a/plugins/queue/api/queue.go
+++ b/plugins/queue/api/queue.go
@@ -28,6 +28,9 @@ import (
type Queue interface {
plugin.Plugin
+ // Prepare creates the queue.
+ Prepare() error
+
// Publisher get the only publisher for the current queue.
Publisher() QueuePublisher
@@ -35,27 +38,30 @@ type Queue interface {
Consumer() QueueConsumer
// Close would close the queue.
- Close()
+ Close() error
+
+ // Ack a batch
+ Ack(startOffset int64, batchSize int) chan struct{}
}
// QueuePublisher is a plugin interface, that defines new queue publishers.
type QueuePublisher interface {
// Enqueue push a inputEvent into the queue.
- Enqueue(event *event.SerializableEvent) error
+ Enqueue(event event.SerializableEvent) error
}
// QueueConsumer is a plugin interface, that defines new queue consumers.
type QueueConsumer interface {
// Dequeue pop an event form the Queue. When the queue is empty, the method would be blocked.
- Dequeue() (event *event.SerializableEvent, offset int64, err error)
+ Dequeue() (event event.SerializableEvent, offset int64, err error)
}
var QueueCategory = reflect.TypeOf((*Queue)(nil)).Elem()
-func GetQueue(pluginName string, config map[string]interface{}) Queue {
- return plugin.Get(QueueCategory, pluginName, config).(Queue)
+func GetQueue(config plugin.DefaultConfig) Queue {
+ return plugin.Get(QueueCategory, config).(Queue)
}
func init() {
- plugin.AddPluginCategory(QueueCategory)
+ plugin.RegisterPluginCategory(QueueCategory, nil, nil, nil)
}
diff --git a/plugins/queue/example/queue.go b/plugins/queue/example/queue.go
deleted file mode 100644
index 5a3055a..0000000
--- a/plugins/queue/example/queue.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "github.com/apache/skywalking-satellite/plugins/queue/api"
-)
-
-type demoQueue struct {
- a string
-}
-
-type demoQueue2 struct {
- a string
-}
-
-type demoQueue3 struct {
- a string
-}
-
-func (d *demoQueue) Description() string {
- panic("implement me")
-}
-
-func (d *demoQueue) InitPlugin(config map[string]interface{}) {
-}
-
-func (d *demoQueue) Publisher() api.QueuePublisher {
- panic("implement me")
-}
-
-func (d *demoQueue) Consumer() api.QueueConsumer {
- panic("implement me")
-}
-
-func (d *demoQueue) Close() {
- panic("implement me")
-}
-
-func (d demoQueue2) Description() string {
- panic("implement me")
-}
-
-func (d demoQueue2) InitPlugin(config map[string]interface{}) {
-}
-
-func (d demoQueue2) Publisher() api.QueuePublisher {
- panic("implement me")
-}
-
-func (d demoQueue2) Consumer() api.QueueConsumer {
- panic("implement me")
-}
-
-func (d demoQueue2) Close() {
- panic("implement me")
-}
diff --git a/plugins/queue/example/queue_test.go b/plugins/queue/example/queue_test.go
deleted file mode 100644
index 0afd20d..0000000
--- a/plugins/queue/example/queue_test.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Licensed to Apache Software Foundation (ASF) under one or more contributor
-// license agreements. See the NOTICE file distributed with
-// this work for additional information regarding copyright
-// ownership. Apache Software Foundation (ASF) licenses this file to you 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.
-
-package example
-
-import (
- "testing"
-
- "github.com/apache/skywalking-satellite/internal/pkg/plugin"
- "github.com/apache/skywalking-satellite/plugins/queue/api"
-)
-
-func Test_Register(t *testing.T) {
- tests := []struct {
- name string
- args interface{}
- panic bool
- }{
- {
- name: "demoQueue",
- args: &demoQueue{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoQueue2",
- args: demoQueue2{
- a: "s",
- },
- panic: false,
- },
- {
- name: "demoQueue3",
- args: demoQueue3{
- a: "s",
- },
- panic: true,
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- plugin.RegisterPlugin(tt.name, tt.args)
- assertPanic(t, tt.name, nil, tt.panic)
- })
- }
-}
-
-func assertPanic(t *testing.T, name string, config map[string]interface{}, existPanic bool) {
- defer func() {
- if r := recover(); r != nil && !existPanic {
- t.Errorf("the plugin %s is not pass", name)
- }
- }()
- api.GetQueue(name, config)
-}