parse_logs.go

Documentation: github.com/docker/cli/service/logs

     1  /*Package logs contains tools for parsing docker log lines.
     2   */
     3  package logs
     4  
     5  import (
     6  	"net/url"
     7  	"strings"
     8  
     9  	"github.com/pkg/errors"
    10  )
    11  
    12  // ParseLogDetails parses a string of key value pairs in the form
    13  // "k=v,l=w", where the keys and values are url query escaped, and each pair
    14  // is separated by a comma. Returns a map of the key value pairs on success,
    15  // and an error if the details string is not in a valid format.
    16  //
    17  // The details string encoding is implemented in
    18  // github.com/moby/moby/api/server/httputils/write_log_stream.go
    19  func ParseLogDetails(details string) (map[string]string, error) {
    20  	pairs := strings.Split(details, ",")
    21  	detailsMap := make(map[string]string, len(pairs))
    22  	for _, pair := range pairs {
    23  		k, v, ok := strings.Cut(pair, "=")
    24  		if !ok || k == "" {
    25  			// missing equal sign, or no key.
    26  			return nil, errors.New("invalid details format")
    27  		}
    28  		var err error
    29  		k, err = url.QueryUnescape(k)
    30  		if err != nil {
    31  			return nil, err
    32  		}
    33  		v, err = url.QueryUnescape(v)
    34  		if err != nil {
    35  			return nil, err
    36  		}
    37  		detailsMap[k] = v
    38  	}
    39  	return detailsMap, nil
    40  }
    41
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