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Add KV store providers (dynamic configuration only)

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Co-authored-by: Jean-Baptiste Doumenjou <jb.doumenjou@gmail.com>
This commit is contained in:
Ludovic Fernandez 2019-11-28 21:56:04 +01:00 • committed by Traefiker Bot
parent 028683666d
commit 9b9f4be6a4
61 changed files with 5825 additions and 70 deletions
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23
pkg/config/parser/element_nodes.go
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@ -7,13 +7,20 @@ import (
"strings"
)
// EncoderToNodeOpts Options for the encoderToNode.
type EncoderToNodeOpts struct {
OmitEmpty bool
TagName string
AllowSliceAsStruct bool
}
// EncodeToNode converts an element to a node.
// element -> nodes
func EncodeToNode(element interface{}, rootName string, omitEmpty bool) (*Node, error) {
func EncodeToNode(element interface{}, rootName string, opts EncoderToNodeOpts) (*Node, error) {
rValue := reflect.ValueOf(element)
node := &Node{Name: rootName}
encoder := encoderToNode{omitEmpty: omitEmpty}
encoder := encoderToNode{EncoderToNodeOpts: opts}
err := encoder.setNodeValue(node, rValue)
if err != nil {
@ -24,7 +31,7 @@ func EncodeToNode(element interface{}, rootName string, omitEmpty bool) (*Node,
}
type encoderToNode struct {
omitEmpty bool
EncoderToNodeOpts
}
func (e encoderToNode) setNodeValue(node *Node, rValue reflect.Value) error {
@ -65,7 +72,7 @@ func (e encoderToNode) setStructValue(node *Node, rValue reflect.Value) error {
continue
}
if field.Tag.Get(TagLabel) == "-" {
if field.Tag.Get(e.TagName) == "-" {
continue
}
@ -78,7 +85,7 @@ func (e encoderToNode) setStructValue(node *Node, rValue reflect.Value) error {
}
nodeName := field.Name
if field.Type.Kind() == reflect.Slice && len(field.Tag.Get(TagLabelSliceAsStruct)) != 0 {
if e.AllowSliceAsStruct && field.Type.Kind() == reflect.Slice && len(field.Tag.Get(TagLabelSliceAsStruct)) != 0 {
nodeName = field.Tag.Get(TagLabelSliceAsStruct)
}
@ -101,7 +108,7 @@ func (e encoderToNode) setStructValue(node *Node, rValue reflect.Value) error {
}
if field.Type.Elem().Kind() == reflect.Struct && len(child.Children) == 0 {
if field.Tag.Get(TagLabel) != TagLabelAllowEmpty {
if field.Tag.Get(e.TagName) != TagLabelAllowEmpty {
continue
}
@ -181,7 +188,7 @@ func (e encoderToNode) setSliceValue(node *Node, rValue reflect.Value) error {
}
func (e encoderToNode) isSkippedField(field reflect.StructField, fieldValue reflect.Value) bool {
if e.omitEmpty && field.Type.Kind() == reflect.String && fieldValue.Len() == 0 {
if e.OmitEmpty && field.Type.Kind() == reflect.String && fieldValue.Len() == 0 {
return true
}
@ -189,7 +196,7 @@ func (e encoderToNode) isSkippedField(field reflect.StructField, fieldValue refl
return true
}
if e.omitEmpty && (field.Type.Kind() == reflect.Slice) &&
if e.OmitEmpty && (field.Type.Kind() == reflect.Slice) &&
(fieldValue.IsNil() || fieldValue.Len() == 0) {
return true
}