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template.gen.go
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template.gen.go
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// Copyright 2017 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// THIS FILE IS AUTOMATICALLY GENERATED.
package sample
import (
"context"
"errors"
"fmt"
"github.com/gogo/protobuf/proto"
"github.com/golang/glog"
"istio.io/api/mixer/v1/config/descriptor"
adptTmpl "istio.io/api/mixer/v1/template"
"istio.io/istio/mixer/pkg/adapter"
"istio.io/istio/mixer/pkg/attribute"
"istio.io/istio/mixer/pkg/expr"
"istio.io/istio/mixer/pkg/template"
"istio.io/istio/mixer/template/sample/check"
"istio.io/istio/mixer/template/sample/quota"
"istio.io/istio/mixer/template/sample/report"
"time"
)
const emptyQuotes = "\"\""
var (
SupportedTmplInfo = map[string]template.Info{
istio_mixer_adapter_sample_check.TemplateName: {
Name: istio_mixer_adapter_sample_check.TemplateName,
Impl: "istio.mixer.adapter.sample.check",
CtrCfg: &istio_mixer_adapter_sample_check.InstanceParam{},
Variety: adptTmpl.TEMPLATE_VARIETY_CHECK,
BldrInterfaceName: istio_mixer_adapter_sample_check.TemplateName + "." + "HandlerBuilder",
HndlrInterfaceName: istio_mixer_adapter_sample_check.TemplateName + "." + "Handler",
BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
_, ok := hndlrBuilder.(istio_mixer_adapter_sample_check.HandlerBuilder)
return ok
},
HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
_, ok := hndlr.(istio_mixer_adapter_sample_check.Handler)
return ok
},
InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {
var err error = nil
cpb := cp.(*istio_mixer_adapter_sample_check.InstanceParam)
infrdType := &istio_mixer_adapter_sample_check.Type{}
if cpb.CheckExpression == "" || cpb.CheckExpression == emptyQuotes {
return nil, errors.New("expression for field CheckExpression cannot be empty")
}
if t, e := tEvalFn(cpb.CheckExpression); e != nil || t != istio_mixer_v1_config_descriptor.STRING {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field CheckExpression: %v", e)
}
return nil, fmt.Errorf("error type checking for field CheckExpression: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.STRING)
}
for _, v := range cpb.StringMap {
if t, e := tEvalFn(v); e != nil || t != istio_mixer_v1_config_descriptor.STRING {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field StringMap: %v", e)
}
return nil, fmt.Errorf("error type checking for field StringMap: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.STRING)
}
}
_ = cpb
return infrdType, err
},
SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {
// Mixer framework should have ensured the type safety.
castedBuilder := builder.(istio_mixer_adapter_sample_check.HandlerBuilder)
castedTypes := make(map[string]*istio_mixer_adapter_sample_check.Type, len(types))
for k, v := range types {
// Mixer framework should have ensured the type safety.
v1 := v.(*istio_mixer_adapter_sample_check.Type)
castedTypes[k] = v1
}
castedBuilder.SetCheckTypes(castedTypes)
},
ProcessCheck: func(ctx context.Context, instName string, inst proto.Message, attrs attribute.Bag,
mapper expr.Evaluator, handler adapter.Handler) (adapter.CheckResult, error) {
castedInst := inst.(*istio_mixer_adapter_sample_check.InstanceParam)
CheckExpression, err := mapper.Eval(castedInst.CheckExpression, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval CheckExpression for instance '%s': %v", instName, err)
glog.Error(msg)
return adapter.CheckResult{}, errors.New(msg)
}
StringMap, err := template.EvalAll(castedInst.StringMap, attrs, mapper)
if err != nil {
msg := fmt.Sprintf("failed to eval StringMap for instance '%s': %v", instName, err)
glog.Error(msg)
return adapter.CheckResult{}, errors.New(msg)
}
_ = castedInst
instance := &istio_mixer_adapter_sample_check.Instance{
Name: instName,
CheckExpression: CheckExpression.(string),
StringMap: func(m map[string]interface{}) map[string]string {
res := make(map[string]string, len(m))
for k, v := range m {
res[k] = v.(string)
}
return res
}(StringMap),
}
return handler.(istio_mixer_adapter_sample_check.Handler).HandleCheck(ctx, instance)
},
},
istio_mixer_adapter_sample_quota.TemplateName: {
Name: istio_mixer_adapter_sample_quota.TemplateName,
Impl: "istio.mixer.adapter.sample.quota",
CtrCfg: &istio_mixer_adapter_sample_quota.InstanceParam{},
Variety: adptTmpl.TEMPLATE_VARIETY_QUOTA,
BldrInterfaceName: istio_mixer_adapter_sample_quota.TemplateName + "." + "HandlerBuilder",
HndlrInterfaceName: istio_mixer_adapter_sample_quota.TemplateName + "." + "Handler",
BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
_, ok := hndlrBuilder.(istio_mixer_adapter_sample_quota.HandlerBuilder)
return ok
},
HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
_, ok := hndlr.(istio_mixer_adapter_sample_quota.Handler)
return ok
},
InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {
var err error = nil
cpb := cp.(*istio_mixer_adapter_sample_quota.InstanceParam)
infrdType := &istio_mixer_adapter_sample_quota.Type{}
infrdType.Dimensions = make(map[string]istio_mixer_v1_config_descriptor.ValueType, len(cpb.Dimensions))
for k, v := range cpb.Dimensions {
if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {
return nil, err
}
}
for _, v := range cpb.BoolMap {
if t, e := tEvalFn(v); e != nil || t != istio_mixer_v1_config_descriptor.BOOL {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field BoolMap: %v", e)
}
return nil, fmt.Errorf("error type checking for field BoolMap: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.BOOL)
}
}
_ = cpb
return infrdType, err
},
SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {
// Mixer framework should have ensured the type safety.
castedBuilder := builder.(istio_mixer_adapter_sample_quota.HandlerBuilder)
castedTypes := make(map[string]*istio_mixer_adapter_sample_quota.Type, len(types))
for k, v := range types {
// Mixer framework should have ensured the type safety.
v1 := v.(*istio_mixer_adapter_sample_quota.Type)
castedTypes[k] = v1
}
castedBuilder.SetQuotaTypes(castedTypes)
},
ProcessQuota: func(ctx context.Context, quotaName string, inst proto.Message, attrs attribute.Bag,
mapper expr.Evaluator, handler adapter.Handler, args adapter.QuotaArgs) (adapter.QuotaResult, error) {
castedInst := inst.(*istio_mixer_adapter_sample_quota.InstanceParam)
Dimensions, err := template.EvalAll(castedInst.Dimensions, attrs, mapper)
if err != nil {
msg := fmt.Sprintf("failed to eval Dimensions for instance '%s': %v", quotaName, err)
glog.Error(msg)
return adapter.QuotaResult{}, errors.New(msg)
}
BoolMap, err := template.EvalAll(castedInst.BoolMap, attrs, mapper)
if err != nil {
msg := fmt.Sprintf("failed to eval BoolMap for instance '%s': %v", quotaName, err)
glog.Error(msg)
return adapter.QuotaResult{}, errors.New(msg)
}
instance := &istio_mixer_adapter_sample_quota.Instance{
Name: quotaName,
Dimensions: Dimensions,
BoolMap: func(m map[string]interface{}) map[string]bool {
res := make(map[string]bool, len(m))
for k, v := range m {
res[k] = v.(bool)
}
return res
}(BoolMap),
}
return handler.(istio_mixer_adapter_sample_quota.Handler).HandleQuota(ctx, instance, args)
},
},
istio_mixer_adapter_sample_report.TemplateName: {
Name: istio_mixer_adapter_sample_report.TemplateName,
Impl: "istio.mixer.adapter.sample.report",
CtrCfg: &istio_mixer_adapter_sample_report.InstanceParam{},
Variety: adptTmpl.TEMPLATE_VARIETY_REPORT,
BldrInterfaceName: istio_mixer_adapter_sample_report.TemplateName + "." + "HandlerBuilder",
HndlrInterfaceName: istio_mixer_adapter_sample_report.TemplateName + "." + "Handler",
BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
_, ok := hndlrBuilder.(istio_mixer_adapter_sample_report.HandlerBuilder)
return ok
},
HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
_, ok := hndlr.(istio_mixer_adapter_sample_report.Handler)
return ok
},
InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {
var err error = nil
cpb := cp.(*istio_mixer_adapter_sample_report.InstanceParam)
infrdType := &istio_mixer_adapter_sample_report.Type{}
if cpb.Value == "" || cpb.Value == emptyQuotes {
return nil, errors.New("expression for field Value cannot be empty")
}
if infrdType.Value, err = tEvalFn(cpb.Value); err != nil {
return nil, err
}
infrdType.Dimensions = make(map[string]istio_mixer_v1_config_descriptor.ValueType, len(cpb.Dimensions))
for k, v := range cpb.Dimensions {
if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {
return nil, err
}
}
if cpb.Int64Primitive == "" || cpb.Int64Primitive == emptyQuotes {
return nil, errors.New("expression for field Int64Primitive cannot be empty")
}
if t, e := tEvalFn(cpb.Int64Primitive); e != nil || t != istio_mixer_v1_config_descriptor.INT64 {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field Int64Primitive: %v", e)
}
return nil, fmt.Errorf("error type checking for field Int64Primitive: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.INT64)
}
if cpb.BoolPrimitive == "" || cpb.BoolPrimitive == emptyQuotes {
return nil, errors.New("expression for field BoolPrimitive cannot be empty")
}
if t, e := tEvalFn(cpb.BoolPrimitive); e != nil || t != istio_mixer_v1_config_descriptor.BOOL {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field BoolPrimitive: %v", e)
}
return nil, fmt.Errorf("error type checking for field BoolPrimitive: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.BOOL)
}
if cpb.DoublePrimitive == "" || cpb.DoublePrimitive == emptyQuotes {
return nil, errors.New("expression for field DoublePrimitive cannot be empty")
}
if t, e := tEvalFn(cpb.DoublePrimitive); e != nil || t != istio_mixer_v1_config_descriptor.DOUBLE {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field DoublePrimitive: %v", e)
}
return nil, fmt.Errorf("error type checking for field DoublePrimitive: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.DOUBLE)
}
if cpb.StringPrimitive == "" || cpb.StringPrimitive == emptyQuotes {
return nil, errors.New("expression for field StringPrimitive cannot be empty")
}
if t, e := tEvalFn(cpb.StringPrimitive); e != nil || t != istio_mixer_v1_config_descriptor.STRING {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field StringPrimitive: %v", e)
}
return nil, fmt.Errorf("error type checking for field StringPrimitive: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.STRING)
}
for _, v := range cpb.Int64Map {
if t, e := tEvalFn(v); e != nil || t != istio_mixer_v1_config_descriptor.INT64 {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field Int64Map: %v", e)
}
return nil, fmt.Errorf("error type checking for field Int64Map: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.INT64)
}
}
if cpb.TimeStamp == "" || cpb.TimeStamp == emptyQuotes {
return nil, errors.New("expression for field TimeStamp cannot be empty")
}
if t, e := tEvalFn(cpb.TimeStamp); e != nil || t != istio_mixer_v1_config_descriptor.TIMESTAMP {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field TimeStamp: %v", e)
}
return nil, fmt.Errorf("error type checking for field TimeStamp: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.TIMESTAMP)
}
if cpb.Duration == "" || cpb.Duration == emptyQuotes {
return nil, errors.New("expression for field Duration cannot be empty")
}
if t, e := tEvalFn(cpb.Duration); e != nil || t != istio_mixer_v1_config_descriptor.DURATION {
if e != nil {
return nil, fmt.Errorf("failed to evaluate expression for field Duration: %v", e)
}
return nil, fmt.Errorf("error type checking for field Duration: Evaluated expression type %v want %v", t, istio_mixer_v1_config_descriptor.DURATION)
}
_ = cpb
return infrdType, err
},
SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {
// Mixer framework should have ensured the type safety.
castedBuilder := builder.(istio_mixer_adapter_sample_report.HandlerBuilder)
castedTypes := make(map[string]*istio_mixer_adapter_sample_report.Type, len(types))
for k, v := range types {
// Mixer framework should have ensured the type safety.
v1 := v.(*istio_mixer_adapter_sample_report.Type)
castedTypes[k] = v1
}
castedBuilder.SetReportTypes(castedTypes)
},
ProcessReport: func(ctx context.Context, insts map[string]proto.Message, attrs attribute.Bag, mapper expr.Evaluator, handler adapter.Handler) error {
var instances []*istio_mixer_adapter_sample_report.Instance
for name, inst := range insts {
md := inst.(*istio_mixer_adapter_sample_report.InstanceParam)
Value, err := mapper.Eval(md.Value, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval Value for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
Dimensions, err := template.EvalAll(md.Dimensions, attrs, mapper)
if err != nil {
msg := fmt.Sprintf("failed to eval Dimensions for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
Int64Primitive, err := mapper.Eval(md.Int64Primitive, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval Int64Primitive for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
BoolPrimitive, err := mapper.Eval(md.BoolPrimitive, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval BoolPrimitive for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
DoublePrimitive, err := mapper.Eval(md.DoublePrimitive, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval DoublePrimitive for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
StringPrimitive, err := mapper.Eval(md.StringPrimitive, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval StringPrimitive for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
Int64Map, err := template.EvalAll(md.Int64Map, attrs, mapper)
if err != nil {
msg := fmt.Sprintf("failed to eval Int64Map for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
TimeStamp, err := mapper.Eval(md.TimeStamp, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval TimeStamp for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
Duration, err := mapper.Eval(md.Duration, attrs)
if err != nil {
msg := fmt.Sprintf("failed to eval Duration for instance '%s': %v", name, err)
glog.Error(msg)
return errors.New(msg)
}
instances = append(instances, &istio_mixer_adapter_sample_report.Instance{
Name: name,
Value: Value,
Dimensions: Dimensions,
Int64Primitive: Int64Primitive.(int64),
BoolPrimitive: BoolPrimitive.(bool),
DoublePrimitive: DoublePrimitive.(float64),
StringPrimitive: StringPrimitive.(string),
Int64Map: func(m map[string]interface{}) map[string]int64 {
res := make(map[string]int64, len(m))
for k, v := range m {
res[k] = v.(int64)
}
return res
}(Int64Map),
TimeStamp: TimeStamp.(time.Time),
Duration: Duration.(time.Duration),
})
_ = md
}
if err := handler.(istio_mixer_adapter_sample_report.Handler).HandleReport(ctx, instances); err != nil {
return fmt.Errorf("failed to report all values: %v", err)
}
return nil
},
},
}
)