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moby--moby/client/parse_logs.go
Drew Erny 68f21418ac Change log details encoding format and support details on service logs
URL query encode log details, so that characters like spaces don't make
log parsing ambiguous. Add a helper function to parse these details to a
map, if needed

Add support for details on service logs

Signed-off-by: Drew Erny <drew.erny@docker.com>
2017-05-12 10:53:44 -07:00

41 lines
1.2 KiB
Go

package client
// parse_logs.go contains utility helpers for getting information out of docker
// log lines. really, it only contains ParseDetails right now. maybe in the
// future there will be some desire to parse log messages back into a struct?
// that would go here if we did
import (
"net/url"
"strings"
"github.com/pkg/errors"
)
// ParseLogDetails takes a details string of key value pairs in the form
// "k=v,l=w", where the keys and values are url query escaped, and each pair
// is separated by a comma, returns a map. returns an error if the details
// string is not in a valid format
// the exact form of details encoding is implemented in
// api/server/httputils/write_log_stream.go
func ParseLogDetails(details string) (map[string]string, error) {
pairs := strings.Split(details, ",")
detailsMap := make(map[string]string, len(pairs))
for _, pair := range pairs {
p := strings.SplitN(pair, "=", 2)
// if there is no equals sign, we will only get 1 part back
if len(p) != 2 {
return nil, errors.New("invalid details format")
}
k, err := url.QueryUnescape(p[0])
if err != nil {
return nil, err
}
v, err := url.QueryUnescape(p[1])
if err != nil {
return nil, err
}
detailsMap[k] = v
}
return detailsMap, nil
}