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settings-vendor.go
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settings-vendor.go
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/*
* Copyright (c) Microsoft Corporation.
* Licensed under the MIT license.
* SPDX-License-Identifier: MIT
*/
package vendors
import (
"encoding/json"
"strings"
api_utils "github.com/eclipse-symphony/symphony/api/pkg/apis/v1alpha1/utils"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/managers"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/observability"
observ_utils "github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/observability/utils"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/providers"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/providers/config"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/providers/pubsub"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/utils"
"github.com/eclipse-symphony/symphony/coa/pkg/apis/v1alpha2/vendors"
"github.com/eclipse-symphony/symphony/coa/pkg/logger"
"github.com/valyala/fasthttp"
)
var csLog = logger.NewLogger("coa.runtime")
type SettingsVendor struct {
vendors.Vendor
EvaluationContext *utils.EvaluationContext
}
func (e *SettingsVendor) GetInfo() vendors.VendorInfo {
return vendors.VendorInfo{
Version: e.Vendor.Version,
Name: "Settings",
Producer: "Microsoft",
}
}
func (e *SettingsVendor) Init(cfg vendors.VendorConfig, factories []managers.IManagerFactroy, providers map[string]map[string]providers.IProvider, pubsubProvider pubsub.IPubSubProvider) error {
err := e.Vendor.Init(cfg, factories, providers, pubsubProvider)
if err != nil {
return err
}
var configProvider config.IExtConfigProvider
for _, m := range e.Managers {
if c, ok := m.(config.IExtConfigProvider); ok {
configProvider = c
}
}
e.EvaluationContext = &utils.EvaluationContext{
ConfigProvider: configProvider,
}
return nil
}
func (e *SettingsVendor) GetEvaluationContext() *utils.EvaluationContext {
return e.EvaluationContext
}
func (o *SettingsVendor) GetEndpoints() []v1alpha2.Endpoint {
route := "settings"
if o.Route != "" {
route = o.Route
}
return []v1alpha2.Endpoint{
{
Methods: []string{fasthttp.MethodGet},
Route: route + "/config",
Version: o.Version,
Handler: o.onConfig,
Parameters: []string{"name?"},
},
}
}
func (c *SettingsVendor) onConfig(request v1alpha2.COARequest) v1alpha2.COAResponse {
_, span := observability.StartSpan("Settings Vendor", request.Context, &map[string]string{
"method": "onConfig",
})
defer span.End()
csLog.Infof("V (Settings): onConfig %s, traceId: %s", request.Method, span.SpanContext().TraceID().String())
switch request.Method {
case fasthttp.MethodGet:
id := request.Parameters["__name"]
overrides := request.Parameters["overrides"]
field := request.Parameters["field"]
var parts []string
if overrides != "" {
parts = strings.Split(overrides, ",")
}
if field != "" {
val, err := c.EvaluationContext.ConfigProvider.Get(id, field, parts, nil)
if err != nil {
log.Errorf("V (Settings): onConfig failed to get config %s, error: %v traceId: %s", id, err, span.SpanContext().TraceID().String())
return observ_utils.CloseSpanWithCOAResponse(span, v1alpha2.COAResponse{
State: v1alpha2.InternalError,
Body: []byte(err.Error()),
})
}
data, _ := json.Marshal(val)
return observ_utils.CloseSpanWithCOAResponse(span, v1alpha2.COAResponse{
State: v1alpha2.OK,
Body: data,
ContentType: "text/plain",
})
} else {
val, err := c.EvaluationContext.ConfigProvider.GetObject(id, parts, nil)
if err != nil {
log.Errorf("V (Settings): onConfig failed to get object %s, error: %v traceId: %s", id, err, span.SpanContext().TraceID().String())
return observ_utils.CloseSpanWithCOAResponse(span, v1alpha2.COAResponse{
State: v1alpha2.InternalError,
Body: []byte(err.Error()),
})
}
jData, _ := api_utils.FormatObject(val, false, "", "")
return observ_utils.CloseSpanWithCOAResponse(span, v1alpha2.COAResponse{
State: v1alpha2.OK,
Body: jData,
ContentType: "application/json",
})
}
}
log.Infof("V (Settings): onConfig returned MethodNotAllowed, traceId: %s", span.SpanContext().TraceID().String())
resp := v1alpha2.COAResponse{
State: v1alpha2.MethodNotAllowed,
Body: []byte("{\"result\":\"405 - method not allowed\"}"),
ContentType: "application/json",
}
observ_utils.UpdateSpanStatusFromCOAResponse(span, resp)
return resp
}