Files
dokku/plugins/logs/logs.go
Jose Diaz-Gonzalez b0c2912453 fix: use newer qson to add support for escaped = (equals) signs
Equal signs should be escaped - %3D - in order to be used in values.
2025-08-12 20:15:27 -04:00

107 lines
2.6 KiB
Go

package logs
import (
"embed"
"encoding/json"
"errors"
"fmt"
"net/url"
"strings"
"github.com/dokku/dokku/plugins/common"
"github.com/fastfishio/qson"
)
// VectorSink is a map of vector sink properties
type VectorSink map[string]interface{}
// MaxSize is the default max retention size for docker logs
const MaxSize = "10m"
// AppLabelAlias is the property key for the app label alias
const AppLabelAlias = "com.dokku.app-name"
var (
// DefaultProperties is a map of all valid logs properties with corresponding default property values
DefaultProperties = map[string]string{
"app-label-alias": AppLabelAlias,
"max-size": MaxSize,
"vector-sink": "",
}
// GlobalProperties is a map of all valid global logs properties
GlobalProperties = map[string]bool{
"app-label-alias": true,
"max-size": true,
"vector-image": true,
"vector-sink": true,
}
)
// VectorDockerfile is the contents of the default Dockerfile
// containing the version of vector Dokku uses
//
//go:embed Dockerfile
var VectorDockerfile string
// VectorDefaultSink contains the default sink in use for vector log shipping
const VectorDefaultSink = "blackhole://?print_interval_secs=1"
//go:embed templates/*
var templates embed.FS
// GetFailedLogs outputs failed deploy logs for a given app
func GetFailedLogs(appName string) error {
common.LogInfo2Quiet(fmt.Sprintf("%s failed deploy logs", appName))
scheduler := common.GetAppScheduler(appName)
_, err := common.CallPlugnTrigger(common.PlugnTriggerInput{
Trigger: "scheduler-logs-failed",
Args: []string{scheduler, appName},
StreamStdio: true,
})
return err
}
// SinkValueToConfig converts a sink DSN value to a VectorSink
func SinkValueToConfig(appName string, sinkValue string) (VectorSink, error) {
var data VectorSink
if strings.Contains(sinkValue, "://") {
parts := strings.SplitN(sinkValue, "://", 2)
parts[0] = strings.ReplaceAll(parts[0], "_", "-")
sinkValue = strings.Join(parts, "://")
}
u, err := url.Parse(sinkValue)
if err != nil {
return data, err
}
if u.Query().Get("sinks") != "" {
return data, errors.New("Invalid option sinks")
}
u.Scheme = strings.ReplaceAll(u.Scheme, "-", "_")
query := u.RawQuery
query = strings.TrimPrefix(query, "&")
b, err := qson.ToJSON(query)
if err != nil {
return data, err
}
if err := json.Unmarshal(b, &data); err != nil {
return data, err
}
data["type"] = u.Scheme
data["inputs"] = []string{"docker-source:" + appName}
if appName == "--global" {
data["inputs"] = []string{"docker-global-source"}
}
if appName == "--null" {
data["inputs"] = []string{"docker-null-source"}
}
return data, nil
}