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增加分组聚合支持，增加 Meta 字段排序函数，修复时间范围报警频率bug
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package matcher | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/antonmedv/expr" | ||
| "github.com/antonmedv/expr/vm" | ||
| "github.com/mylxsw/adanos-alert/internal/repository" | ||
| ) | ||
|
|
||
| type MessageFinger struct { | ||
| expr string | ||
| program *vm.Program | ||
| } | ||
|
|
||
| func NewMessageFinger(fingerExpr string) (*MessageFinger, error) { | ||
| if fingerExpr == "" { | ||
| fingerExpr = `""` | ||
| } | ||
|
|
||
| program, err := expr.Compile(fingerExpr, expr.Env(&MessageWrap{})) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &MessageFinger{ | ||
| expr: fingerExpr, | ||
| program: program, | ||
| }, nil | ||
| } | ||
|
|
||
| // Run 根据指定的表达式创建 message 的指纹 | ||
| func (m *MessageFinger) Run(msg repository.Message) (string, error) { | ||
| result, err := expr.Run(m.program, NewMessageWrap(msg)) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if result == nil { | ||
| return "", nil | ||
| } | ||
|
|
||
| return fmt.Sprintf("%v", result), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package matcher_test | ||
|
|
||
| import ( | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/mylxsw/adanos-alert/internal/matcher" | ||
| "github.com/mylxsw/adanos-alert/internal/repository" | ||
| "github.com/stretchr/testify/assert" | ||
| "go.mongodb.org/mongo-driver/bson/primitive" | ||
| ) | ||
|
|
||
| func TestMessageFinger(t *testing.T) { | ||
| var msg = repository.Message{ | ||
| ID: primitive.NewObjectID(), | ||
| Content: `{"log_level": "debug", "message": "request", "context": {"user_id": 123}}`, | ||
| Meta: repository.MessageMeta{ | ||
| "environment": "dev", | ||
| "server": "192.168.1.1", | ||
| }, | ||
| Tags: []string{"php", "nodejs"}, | ||
| Origin: "Filebeat", | ||
| CreatedAt: time.Now(), | ||
| } | ||
|
|
||
| { | ||
| f, err := matcher.NewMessageFinger(`Meta["server"] + ":" + Origin`) | ||
| assert.NoError(t, err) | ||
|
|
||
| finger, err := f.Run(msg) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "192.168.1.1:Filebeat", finger) | ||
| } | ||
|
|
||
| { | ||
|
|
||
| f, err := matcher.NewMessageFinger(``) | ||
| assert.NoError(t, err) | ||
|
|
||
| finger, err := f.Run(msg) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "", finger) | ||
| } | ||
|
|
||
| { | ||
| f, err := matcher.NewMessageFinger(`"hello world"`) | ||
| assert.NoError(t, err) | ||
|
|
||
| finger, err := f.Run(msg) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "hello world", finger) | ||
| } | ||
|
|
||
| { | ||
| f, err := matcher.NewMessageFinger(`Meta["not_exist_key"]`) | ||
| assert.NoError(t, err) | ||
|
|
||
| finger, err := f.Run(msg) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "", finger) | ||
| } | ||
|
|
||
| { | ||
| f, err := matcher.NewMessageFinger(`124`) | ||
| assert.NoError(t, err) | ||
|
|
||
| finger, err := f.Run(msg) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "124", finger) | ||
| } | ||
|
|
||
| { | ||
| f, err := matcher.NewMessageFinger(`true`) | ||
| assert.NoError(t, err) | ||
|
|
||
| finger, err := f.Run(msg) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "true", finger) | ||
| } | ||
| } |
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