istio: istio.io/istio/mixer/test/spyAdapter/template Index | Files | Directories

package template

import "istio.io/istio/mixer/test/spyAdapter/template"

Package template contains generated code for the spy adapter testing. It should *ONLY* be used for testing Mixer.

Index

Package Files

doc.go template.gen.go

Variables

var (
    SupportedTmplInfo = map[string]template.Info{

        sampleapa.TemplateName: {
            Name:               sampleapa.TemplateName,
            Impl:               "sampleapa",
            CtrCfg:             &sampleapa.InstanceParam{},
            Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_ATTRIBUTE_GENERATOR,
            BldrInterfaceName:  sampleapa.TemplateName + "." + "HandlerBuilder",
            HndlrInterfaceName: sampleapa.TemplateName + "." + "Handler",
            BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
                _, ok := hndlrBuilder.(sampleapa.HandlerBuilder)
                return ok
            },
            HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
                _, ok := hndlr.(sampleapa.Handler)
                return ok
            },
            InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

                var BuildTemplate func(param *sampleapa.InstanceParam,
                    path string) (proto.Message, error)

                _ = BuildTemplate

                BuildTemplate = func(param *sampleapa.InstanceParam,
                    path string) (proto.Message, error) {

                    if param == nil {
                        return nil, nil
                    }

                    var err error = nil

                    if param.Int64Primitive != "" {
                        if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
                            if e != nil {
                                return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
                            }
                            return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
                        }
                    }

                    if param.BoolPrimitive != "" {
                        if t, e := tEvalFn(param.BoolPrimitive); e != nil || t != istio_policy_v1beta1.BOOL {
                            if e != nil {
                                return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"BoolPrimitive", e)
                            }
                            return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"BoolPrimitive", t, istio_policy_v1beta1.BOOL)
                        }
                    }

                    if param.DoublePrimitive != "" {
                        if t, e := tEvalFn(param.DoublePrimitive); e != nil || t != istio_policy_v1beta1.DOUBLE {
                            if e != nil {
                                return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DoublePrimitive", e)
                            }
                            return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DoublePrimitive", t, istio_policy_v1beta1.DOUBLE)
                        }
                    }

                    if param.StringPrimitive != "" {
                        if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
                            if e != nil {
                                return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
                            }
                            return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
                        }
                    }

                    return nil, err

                }

                instParam := cp.(*sampleapa.InstanceParam)

                const fullOutName = "sampleapa.output."
                for attr, exp := range instParam.AttributeBindings {
                    expr := strings.Replace(exp, "$out.", fullOutName, -1)
                    t1, err := tEvalFn(expr)
                    if err != nil {
                        return nil, fmt.Errorf("error evaluating AttributeBinding expression '%s' for attribute '%s': %v", expr, attr, err)
                    }
                    t2, err := tEvalFn(attr)
                    if err != nil {
                        return nil, fmt.Errorf("error evaluating AttributeBinding expression for attribute key '%s': %v", attr, err)
                    }
                    if t1 != t2 {
                        return nil, fmt.Errorf(
                            "error evaluating AttributeBinding: type '%v' for attribute '%s' does not match type '%s' for expression '%s'",
                            t2, attr, t1, expr)
                    }
                }

                return BuildTemplate(instParam, "")
            },

            AttributeManifests: []*istio_policy_v1beta1.AttributeManifest{
                {
                    Attributes: map[string]*istio_policy_v1beta1.AttributeManifest_AttributeInfo{

                        "sampleapa.output.int64Primitive": {
                            ValueType: istio_policy_v1beta1.INT64,
                        },

                        "sampleapa.output.boolPrimitive": {
                            ValueType: istio_policy_v1beta1.BOOL,
                        },

                        "sampleapa.output.doublePrimitive": {
                            ValueType: istio_policy_v1beta1.DOUBLE,
                        },

                        "sampleapa.output.stringPrimitive": {
                            ValueType: istio_policy_v1beta1.STRING,
                        },

                        "sampleapa.output.stringMap": {
                            ValueType: istio_policy_v1beta1.STRING_MAP,
                        },

                        "sampleapa.output.ip": {
                            ValueType: istio_policy_v1beta1.IP_ADDRESS,
                        },

                        "sampleapa.output.duration": {
                            ValueType: istio_policy_v1beta1.DURATION,
                        },

                        "sampleapa.output.timestamp": {
                            ValueType: istio_policy_v1beta1.TIMESTAMP,
                        },

                        "sampleapa.output.dns": {
                            ValueType: istio_policy_v1beta1.DNS_NAME,
                        },
                    },
                },
            },

            DispatchGenAttrs: func(ctx context.Context, handler adapter.Handler, inst interface{}, attrs attribute.Bag,
                mapper template.OutputMapperFn) (*attribute.MutableBag, error) {

                instance := inst.(*sampleapa.Instance)

                out, err := handler.(sampleapa.Handler).GenerateSampleApaAttributes(ctx, instance)
                if err != nil {
                    return nil, err
                }

                // Construct a wrapper bag around the returned output message and pass it to the output mapper
                // to map $out values back to the destination attributes in the ambient context.
                const fullOutName = "sampleapa.output."
                outBag := newWrapperAttrBag(
                    func(name string) (value interface{}, found bool) {
                        field := strings.TrimPrefix(name, fullOutName)
                        if len(field) != len(name) {
                            if !out.WasSet(field) {
                                return nil, false
                            }
                            switch field {

                            case "int64Primitive":

                                return out.Int64Primitive, true

                            case "boolPrimitive":

                                return out.BoolPrimitive, true

                            case "doublePrimitive":

                                return out.DoublePrimitive, true

                            case "stringPrimitive":

                                return out.StringPrimitive, true

                            case "stringMap":

                                return attribute.WrapStringMap(out.StringMap), true

                            case "ip":

                                return []byte(out.Ip), true

                            case "duration":

                                return out.Duration, true

                            case "timestamp":

                                return out.Timestamp, true

                            case "dns":

                                return string(out.Dns), true

                            default:
                                return nil, false
                            }
                        }
                        return attrs.Get(name)
                    },
                    func() []string { return attrs.Names() },
                    func() { attrs.Done() },
                    func() string { return attrs.String() },
                )

                return mapper(outBag)
            },

            CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

                if param == nil {
                    return func(attr attribute.Bag) (interface{}, error) {
                        return nil, nil
                    }, nil
                }

                builder, errp := newBuilder_sampleapa_Template(expb, param.(*sampleapa.InstanceParam))
                if !errp.IsNil() {
                    return nil, errp.AsCompilationError(instanceName)
                }

                return func(attr attribute.Bag) (interface{}, error) {

                    e, errp := builder.build(attr)
                    if !errp.IsNil() {
                        err := errp.AsEvaluationError(instanceName)
                        log.Error(err.Error())
                        return nil, err
                    }

                    e.Name = instanceName
                    return e, nil
                }, nil
            },

            CreateOutputExpressions: func(
                instanceParam proto.Message,
                finder attribute.AttributeDescriptorFinder,
                expb lang.Compiler) (map[string]compiled.Expression, error) {
                var err error
                var expType istio_policy_v1beta1.ValueType

                param := instanceParam.(*sampleapa.InstanceParam)

                expressions := make(map[string]compiled.Expression, len(param.AttributeBindings))

                const fullOutName = "sampleapa.output."
                for attrName, outExpr := range param.AttributeBindings {
                    attrInfo := finder.GetAttribute(attrName)
                    if attrInfo == nil {
                        log.Warnf("attribute not found when mapping outputs: attr='%s', expr='%s'", attrName, outExpr)
                        continue
                    }

                    ex := strings.Replace(outExpr, "$out.", fullOutName, -1)

                    if expressions[attrName], expType, err = expb.Compile(ex); err != nil {
                        return nil, err
                    }

                    if attrInfo.ValueType != expType {
                        log.Warnf("attribute type mismatch: attr='%s', attrType='%v', expr='%s', exprType='%v'", attrName, attrInfo.ValueType, outExpr, expType)
                        continue
                    }
                }

                return expressions, nil
            },
        },

        samplecheck.TemplateName: {
            Name:               samplecheck.TemplateName,
            Impl:               "samplecheck",
            CtrCfg:             &samplecheck.InstanceParam{},
            Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_CHECK,
            BldrInterfaceName:  samplecheck.TemplateName + "." + "HandlerBuilder",
            HndlrInterfaceName: samplecheck.TemplateName + "." + "Handler",
            BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
                _, ok := hndlrBuilder.(samplecheck.HandlerBuilder)
                return ok
            },
            HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
                _, ok := hndlr.(samplecheck.Handler)
                return ok
            },
            InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

                var BuildTemplate func(param *samplecheck.InstanceParam,
                    path string) (*samplecheck.Type, error)

                _ = BuildTemplate

                BuildTemplate = func(param *samplecheck.InstanceParam,
                    path string) (*samplecheck.Type, error) {

                    if param == nil {
                        return nil, nil
                    }

                    infrdType := &samplecheck.Type{}

                    var err error = nil

                    if param.StringPrimitive != "" {
                        if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
                            if e != nil {
                                return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
                            }
                            return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
                        }
                    }

                    return infrdType, err

                }

                instParam := cp.(*samplecheck.InstanceParam)

                return BuildTemplate(instParam, "")
            },

            SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {

                castedBuilder := builder.(samplecheck.HandlerBuilder)
                castedTypes := make(map[string]*samplecheck.Type, len(types))
                for k, v := range types {

                    v1 := v.(*samplecheck.Type)
                    castedTypes[k] = v1
                }
                castedBuilder.SetSampleCheckTypes(castedTypes)
            },

            DispatchCheck: func(ctx context.Context, handler adapter.Handler, inst interface{}, out *attribute.MutableBag, outPrefix string) (adapter.CheckResult, error) {

                instance := inst.(*samplecheck.Instance)

                return handler.(samplecheck.Handler).HandleSampleCheck(ctx, instance)
            },

            CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

                if param == nil {
                    return func(attr attribute.Bag) (interface{}, error) {
                        return nil, nil
                    }, nil
                }

                builder, errp := newBuilder_samplecheck_Template(expb, param.(*samplecheck.InstanceParam))
                if !errp.IsNil() {
                    return nil, errp.AsCompilationError(instanceName)
                }

                return func(attr attribute.Bag) (interface{}, error) {

                    e, errp := builder.build(attr)
                    if !errp.IsNil() {
                        err := errp.AsEvaluationError(instanceName)
                        log.Error(err.Error())
                        return nil, err
                    }

                    e.Name = instanceName
                    return e, nil
                }, nil
            },
        },

        checkproducer.TemplateName: {
            Name:               checkproducer.TemplateName,
            Impl:               "checkproducer",
            CtrCfg:             &checkproducer.InstanceParam{},
            Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_CHECK_WITH_OUTPUT,
            BldrInterfaceName:  checkproducer.TemplateName + "." + "HandlerBuilder",
            HndlrInterfaceName: checkproducer.TemplateName + "." + "Handler",
            BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
                _, ok := hndlrBuilder.(checkproducer.HandlerBuilder)
                return ok
            },
            HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
                _, ok := hndlr.(checkproducer.Handler)
                return ok
            },
            InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

                var BuildTemplate func(param *checkproducer.InstanceParam,
                    path string) (*checkproducer.Type, error)

                _ = BuildTemplate

                BuildTemplate = func(param *checkproducer.InstanceParam,
                    path string) (*checkproducer.Type, error) {

                    if param == nil {
                        return nil, nil
                    }

                    infrdType := &checkproducer.Type{}

                    var err error = nil

                    if param.StringPrimitive != "" {
                        if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
                            if e != nil {
                                return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
                            }
                            return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
                        }
                    }

                    return infrdType, err

                }

                instParam := cp.(*checkproducer.InstanceParam)

                return BuildTemplate(instParam, "")
            },

            SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {

                castedBuilder := builder.(checkproducer.HandlerBuilder)
                castedTypes := make(map[string]*checkproducer.Type, len(types))
                for k, v := range types {

                    v1 := v.(*checkproducer.Type)
                    castedTypes[k] = v1
                }
                castedBuilder.SetCheckProducerTypes(castedTypes)
            },

            DispatchCheck: func(ctx context.Context, handler adapter.Handler, inst interface{}, out *attribute.MutableBag, outPrefix string) (adapter.CheckResult, error) {

                instance := inst.(*checkproducer.Instance)

                res, obj, err := handler.(checkproducer.Handler).HandleCheckProducer(ctx, instance)

                if out != nil {

                    out.Set(outPrefix+"int64Primitive", obj.Int64Primitive)

                    out.Set(outPrefix+"boolPrimitive", obj.BoolPrimitive)

                    out.Set(outPrefix+"doublePrimitive", obj.DoublePrimitive)

                    out.Set(outPrefix+"stringPrimitive", obj.StringPrimitive)

                    out.Set(outPrefix+"stringMap", attribute.WrapStringMap(obj.StringMap))

                }
                return res, err
            },

            AttributeManifests: []*istio_policy_v1beta1.AttributeManifest{
                {
                    Attributes: map[string]*istio_policy_v1beta1.AttributeManifest_AttributeInfo{

                        "int64Primitive": {
                            ValueType: istio_policy_v1beta1.INT64,
                        },

                        "boolPrimitive": {
                            ValueType: istio_policy_v1beta1.BOOL,
                        },

                        "doublePrimitive": {
                            ValueType: istio_policy_v1beta1.DOUBLE,
                        },

                        "stringPrimitive": {
                            ValueType: istio_policy_v1beta1.STRING,
                        },

                        "stringMap": {
                            ValueType: istio_policy_v1beta1.STRING_MAP,
                        },
                    },
                },
            },

            CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

                if param == nil {
                    return func(attr attribute.Bag) (interface{}, error) {
                        return nil, nil
                    }, nil
                }

                builder, errp := newBuilder_checkproducer_Template(expb, param.(*checkproducer.InstanceParam))
                if !errp.IsNil() {
                    return nil, errp.AsCompilationError(instanceName)
                }

                return func(attr attribute.Bag) (interface{}, error) {

                    e, errp := builder.build(attr)
                    if !errp.IsNil() {
                        err := errp.AsEvaluationError(instanceName)
                        log.Error(err.Error())
                        return nil, err
                    }

                    e.Name = instanceName
                    return e, nil
                }, nil
            },
        },

        samplequota.TemplateName: {
            Name:               samplequota.TemplateName,
            Impl:               "samplequota",
            CtrCfg:             &samplequota.InstanceParam{},
            Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_QUOTA,
            BldrInterfaceName:  samplequota.TemplateName + "." + "HandlerBuilder",
            HndlrInterfaceName: samplequota.TemplateName + "." + "Handler",
            BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
                _, ok := hndlrBuilder.(samplequota.HandlerBuilder)
                return ok
            },
            HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
                _, ok := hndlr.(samplequota.Handler)
                return ok
            },
            InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

                var BuildTemplate func(param *samplequota.InstanceParam,
                    path string) (*samplequota.Type, error)

                _ = BuildTemplate

                BuildTemplate = func(param *samplequota.InstanceParam,
                    path string) (*samplequota.Type, error) {

                    if param == nil {
                        return nil, nil
                    }

                    infrdType := &samplequota.Type{}

                    var err error = nil

                    infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

                    for k, v := range param.Dimensions {

                        if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

                            return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
                        }
                    }

                    return infrdType, err

                }

                instParam := cp.(*samplequota.InstanceParam)

                return BuildTemplate(instParam, "")
            },

            SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {

                castedBuilder := builder.(samplequota.HandlerBuilder)
                castedTypes := make(map[string]*samplequota.Type, len(types))
                for k, v := range types {

                    v1 := v.(*samplequota.Type)
                    castedTypes[k] = v1
                }
                castedBuilder.SetSampleQuotaTypes(castedTypes)
            },

            DispatchQuota: func(ctx context.Context, handler adapter.Handler, inst interface{}, args adapter.QuotaArgs) (adapter.QuotaResult, error) {

                instance := inst.(*samplequota.Instance)

                return handler.(samplequota.Handler).HandleSampleQuota(ctx, instance, args)
            },

            CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

                if param == nil {
                    return func(attr attribute.Bag) (interface{}, error) {
                        return nil, nil
                    }, nil
                }

                builder, errp := newBuilder_samplequota_Template(expb, param.(*samplequota.InstanceParam))
                if !errp.IsNil() {
                    return nil, errp.AsCompilationError(instanceName)
                }

                return func(attr attribute.Bag) (interface{}, error) {

                    e, errp := builder.build(attr)
                    if !errp.IsNil() {
                        err := errp.AsEvaluationError(instanceName)
                        log.Error(err.Error())
                        return nil, err
                    }

                    e.Name = instanceName
                    return e, nil
                }, nil
            },
        },

        samplereport.TemplateName: {
            Name:               samplereport.TemplateName,
            Impl:               "samplereport",
            CtrCfg:             &samplereport.InstanceParam{},
            Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_REPORT,
            BldrInterfaceName:  samplereport.TemplateName + "." + "HandlerBuilder",
            HndlrInterfaceName: samplereport.TemplateName + "." + "Handler",
            BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
                _, ok := hndlrBuilder.(samplereport.HandlerBuilder)
                return ok
            },
            HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
                _, ok := hndlr.(samplereport.Handler)
                return ok
            },
            InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

                var BuildTemplate func(param *samplereport.InstanceParam,
                    path string) (*samplereport.Type, error)

                _ = BuildTemplate

                BuildTemplate = func(param *samplereport.InstanceParam,
                    path string) (*samplereport.Type, error) {

                    if param == nil {
                        return nil, nil
                    }

                    infrdType := &samplereport.Type{}

                    var err error = nil

                    if param.Value == "" {
                        infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
                    } else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
                        return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
                    }

                    infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

                    for k, v := range param.Dimensions {

                        if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

                            return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
                        }
                    }

                    return infrdType, err

                }

                instParam := cp.(*samplereport.InstanceParam)

                return BuildTemplate(instParam, "")
            },

            SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {

                castedBuilder := builder.(samplereport.HandlerBuilder)
                castedTypes := make(map[string]*samplereport.Type, len(types))
                for k, v := range types {

                    v1 := v.(*samplereport.Type)
                    castedTypes[k] = v1
                }
                castedBuilder.SetSampleReportTypes(castedTypes)
            },

            DispatchReport: func(ctx context.Context, handler adapter.Handler, inst []interface{}) error {

                instances := make([]*samplereport.Instance, len(inst))
                for i, instance := range inst {
                    instances[i] = instance.(*samplereport.Instance)
                }

                if err := handler.(samplereport.Handler).HandleSampleReport(ctx, instances); err != nil {
                    return fmt.Errorf("failed to report all values: %v", err)
                }
                return nil
            },

            CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

                if param == nil {
                    return func(attr attribute.Bag) (interface{}, error) {
                        return nil, nil
                    }, nil
                }

                builder, errp := newBuilder_samplereport_Template(expb, param.(*samplereport.InstanceParam))
                if !errp.IsNil() {
                    return nil, errp.AsCompilationError(instanceName)
                }

                return func(attr attribute.Bag) (interface{}, error) {

                    e, errp := builder.build(attr)
                    if !errp.IsNil() {
                        err := errp.AsEvaluationError(instanceName)
                        log.Error(err.Error())
                        return nil, err
                    }

                    e.Name = instanceName
                    return e, nil
                }, nil
            },
        },
    }
)

Directories

PathSynopsis
apa
check
checkoutput
quota
report

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