IntenseWebs/grafana
3
0
Fork 0
mirror of https://github.com/grafana/grafana.git synced 2026-08-14 07:04:57 -05:00
Code Issues Packages Projects Releases Wiki Activity

temporary switch to alternative jsonpath implementation (#39090)

Browse Source 
to work with go1.16 and avoid replace in go.mod
This commit is contained in:
Alexander Emelin
2021-09-10 16:24:31 +03:00
committed by GitHub
parent e68bf87de1
commit 5fcc9fe193
3 changed files with 70 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
pkg/services/live/pipeline/converter_json_exact.go
+67 -16
View File
@@ -9,8 +9,7 @@ import (
"time"
"github.com/grafana/grafana-plugin-sdk-go/data"
"github.com/ohler55/ojg/jp"
"github.com/ohler55/ojg/oj"
"github.com/spyzhov/ajson"
)
type ExactJsonConverterConfig struct {
@@ -29,10 +28,10 @@ func NewExactJsonConverter(c ExactJsonConverterConfig) *ExactJsonConverter {
}
func (c *ExactJsonConverter) Convert(_ context.Context, vars Vars, body []byte) ([]*ChannelFrame, error) {
obj, err := oj.Parse(body)
if err != nil {
return nil, err
}
//obj, err := oj.Parse(body)
//if err != nil {
// return nil, err
//}
var fields []*data.Field
@@ -46,15 +45,17 @@ func (c *ExactJsonConverter) Convert(_ context.Context, vars Vars, body []byte)
if strings.HasPrefix(f.Value, "$") {
// JSON path.
x, err := jp.ParseString(f.Value[1:])
nodes, err := ajson.JSONPath(body, f.Value)
if err != nil {
return nil, err
}
value := x.Get(obj)
if len(value) == 0 {
if len(nodes) == 0 {
field.Set(0, nil)
} else if len(value) == 1 {
val := value[0]
} else if len(nodes) == 1 {
val, err := nodes[0].Value()
if err != nil {
return nil, err
}
switch f.Type {
case data.FieldTypeNullableFloat64:
if val == nil {
@@ -81,6 +82,41 @@ func (c *ExactJsonConverter) Convert(_ context.Context, vars Vars, body []byte)
} else {
return nil, errors.New("too many values")
}
//x, err := jp.ParseString(f.Value[1:])
//if err != nil {
// return nil, err
//}
//value := x.Get(obj)
//if len(value) == 0 {
// field.Set(0, nil)
//} else if len(value) == 1 {
// val := value[0]
// switch f.Type {
// case data.FieldTypeNullableFloat64:
// if val == nil {
// field.Set(0, nil)
// } else {
// switch v := val.(type) {
// case float64:
// field.SetConcrete(0, v)
// case int64:
// field.SetConcrete(0, float64(v))
// default:
// return nil, errors.New("malformed float64 type for: " + f.Name)
// }
// }
// case data.FieldTypeNullableString:
// v, ok := val.(string)
// if !ok {
// return nil, errors.New("malformed string type")
// }
// field.SetConcrete(0, v)
// default:
// return nil, fmt.Errorf("unsupported field type: %s (%s)", f.Type, f.Name)
// }
//} else {
// return nil, errors.New("too many values")
//}
} else if strings.HasPrefix(f.Value, "{") {
// Goja script.
script := strings.Trim(f.Value, "{}")
@@ -120,18 +156,33 @@ func (c *ExactJsonConverter) Convert(_ context.Context, vars Vars, body []byte)
labels := map[string]string{}
for _, label := range f.Labels {
if strings.HasPrefix(label.Value, "$") {
x, err := jp.ParseString(label.Value[1:])
nodes, err := ajson.JSONPath(body, label.Value)
if err != nil {
return nil, err
}
value := x.Get(obj)
if len(value) == 0 {
if len(nodes) == 0 {
labels[label.Name] = ""
} else if len(value) == 1 {
labels[label.Name] = fmt.Sprintf("%v", value[0])
} else if len(nodes) == 1 {
value, err := nodes[0].Value()
if err != nil {
return nil, err
}
labels[label.Name] = fmt.Sprintf("%v", value)
} else {
return nil, errors.New("too many values for a label")
}
//x, err := jp.ParseString(label.Value[1:])
//if err != nil {
// return nil, err
//}
//value := x.Get(obj)
//if len(value) == 0 {
// labels[label.Name] = ""
//} else if len(value) == 1 {
// labels[label.Name] = fmt.Sprintf("%v", value[0])
//} else {
// return nil, errors.New("too many values for a label")
//}
} else if strings.HasPrefix(label.Value, "{") {
script := strings.Trim(label.Value, "{}")
var err error