wrappers.tmpl

// SPDX-FileCopyrightText: 2022-present Intel Corporation
// SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
//
// SPDX-License-Identifier: Apache-2.0

const authorization = "Authorization"

// Implement the Server Interface for access to gNMI
var log = logging.GetLogger("model_0_0_0")

// ServerImpl -
type ServerImpl struct {
	GnmiClient  southbound.GnmiClient
	GnmiTimeout time.Duration
}

{{- range .}}
{{- $opid := .OperationId}}
{{- $path := .Path}}
{{- $paramNames := genParamNames .PathParams}}
// {{$opid}} impl of gNMI access at {{$path}}
func (i *ServerImpl) {{.OperationId}} (ctx echo.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}}) error {
    var response interface{}
    var err error

    gnmiCtx, cancel := utils.NewGnmiContext(ctx, i.GnmiTimeout)
    defer cancel()

{{- range $resp := .Spec.Responses}}
    // Response {{$resp.Value.Description}}
    {{- $fourchars := slice $opid 0 4}}
    {{- if eq $fourchars "Dele"}}
    extension100, err := i.Gnmi{{$opid}}(gnmiCtx, "{{$path}}"{{$paramNames}})
    if err == nil {
        log.Infof("Delete succeded %s", *extension100)
        return ctx.JSON(http.StatusOK, extension100)
    }
    {{- else if eq $fourchars "Post"}}
	body, err := utils.ReadRequestBody(ctx.Request().Body)
	if err != nil {
		return err
	}
    extension100, err := i.Gnmi{{$opid}}(gnmiCtx, body, "{{$path}}"{{$paramNames}})
    if err == nil {
        log.Infof("Post succeded %s", *extension100)
        return ctx.JSON(http.StatusCreated, extension100)
    }
    {{- else}} {{/* GET */}}
    {{- $expand200 := printf "%200s" $opid}}
    {{- $last13 := slice $expand200 187}}
    {{- $isLeafSelection := eq "LeafSelection" $last13}}
    {{- if eq "ValuesLeafref" $last13 | or $isLeafSelection}}
    err = fmt.Errorf("{{$opid}} not implemented. %T", gnmiCtx)
    {{- else}}
    response, err = i.Gnmi{{$opid}}(gnmiCtx, "{{$path}}"{{$paramNames}})
    {{- end}}
    {{- end}}
	if err != nil {
		return utils.ConvertGrpcError(err)
	}
	// It's not enough to check if response==nil - see https://medium.com/@glucn/golang-an-interface-holding-a-nil-value-is-not-nil-bb151f472cc7
	if (reflect.ValueOf(response).Kind() == reflect.Ptr && reflect.ValueOf(response).IsNil()) {
		return ctx.NoContent(http.StatusNotFound)
	}
{{- end}}

    log.Infof("{{.OperationId}}")
    return ctx.JSON(http.StatusOK, response)
}
{{- end}}