实现基本的访问日志策略

internal/accesslogs/storage_command.go

@@ -0,0 +1,95 @@
+package accesslogs
+
+import (
+	"bytes"
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/iwind/TeaGo/logs"
+	"os/exec"
+	"sync"
+)
+
+// CommandStorage 通过命令行存储
+type CommandStorage struct {
+	BaseStorage
+
+	config *serverconfigs.AccessLogCommandStorageConfig
+
+	writeLocker sync.Mutex
+}
+
+func NewCommandStorage(config *serverconfigs.AccessLogCommandStorageConfig) *CommandStorage {
+	return &CommandStorage{config: config}
+}
+
+func (this *CommandStorage) Config() interface{} {
+	return this.config
+}
+
+// Start 启动
+func (this *CommandStorage) Start() error {
+	if len(this.config.Command) == 0 {
+		return errors.New("'command' should not be empty")
+	}
+	return nil
+}
+
+// 写入日志
+func (this *CommandStorage) Write(accessLogs []*pb.HTTPAccessLog) error {
+	if len(accessLogs) == 0 {
+		return nil
+	}
+
+	this.writeLocker.Lock()
+	defer this.writeLocker.Unlock()
+
+	cmd := exec.Command(this.config.Command, this.config.Args...)
+	if len(this.config.Dir) > 0 {
+		cmd.Dir = this.config.Dir
+	}
+
+	stdout := bytes.NewBuffer([]byte{})
+	cmd.Stdout = stdout
+
+	w, err := cmd.StdinPipe()
+	if err != nil {
+		return err
+	}
+	err = cmd.Start()
+	if err != nil {
+		return err
+	}
+	for _, accessLog := range accessLogs {
+		data, err := this.Marshal(accessLog)
+		if err != nil {
+			logs.Error(err)
+			continue
+		}
+		_, err = w.Write(data)
+		if err != nil {
+			logs.Error(err)
+		}
+
+		_, err = w.Write([]byte("\n"))
+		if err != nil {
+			logs.Error(err)
+		}
+	}
+	_ = w.Close()
+	err = cmd.Wait()
+	if err != nil {
+		logs.Error(err)
+
+		if stdout.Len() > 0 {
+			logs.Error(errors.New(string(stdout.Bytes())))
+		}
+	}
+
+	return nil
+}
+
+// Close 关闭
+func (this *CommandStorage) Close() error {
+	return nil
+}