event

package
v1.0.2 Latest Latest
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 Go to latest Published: Mar 17, 2021 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// NamespaceFormat - namespace log format used in some event targets.
	NamespaceFormat = "namespace"

	// AccessFormat - access log format used in some event targets.
	AccessFormat = "access"

	// AMZTimeFormat - event time format.
	AMZTimeFormat = "2006-01-02T15:04:05.000Z"
)

Variables

This section is empty.

Functions

func IsEventError 

func IsEventError(err error) bool

IsEventError - checks whether given error is event error or not.

func NewPattern 

func NewPattern(prefix, suffix string) (pattern string)

NewPattern - create new pattern for prefix/suffix.

func ValidateFilterRuleValue 

func ValidateFilterRuleValue(value string) error

ValidateFilterRuleValue - checks if given value is filter rule value or not.

Types

type ARN 

type ARN struct {
	TargetID
	// contains filtered or unexported fields
}

ARN - SQS resource name representation.

func (ARN) MarshalXML 

func (arn ARN) MarshalXML(e *xml.Encoder, start xml.StartElement) error

MarshalXML - encodes to XML data.

func (ARN) String 

func (arn ARN) String() string

String - returns string representation.

func (*ARN) UnmarshalXML 

func (arn *ARN) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error

UnmarshalXML - decodes XML data.

type Bucket 

type Bucket struct {
	Name          string   `json:"name"`
	OwnerIdentity Identity `json:"ownerIdentity"`
	ARN           string   `json:"arn"`
}

Bucket represents bucket metadata of the event.

type Config 

type Config struct {
	XMLNS      string   `xml:"xmlns,attr,omitempty"`
	XMLName    xml.Name `xml:"NotificationConfiguration"`
	QueueList  []Queue  `xml:"QueueConfiguration,omitempty"`
	LambdaList []lambda `xml:"CloudFunctionConfiguration,omitempty"`
	TopicList  []topic  `xml:"TopicConfiguration,omitempty"`
}

Config - notification configuration described in http://docs.aws.amazon.com/AmazonS3/latest/dev/NotificationHowTo.html

func ParseConfig 

func ParseConfig(reader io.Reader, region string, targetList *TargetList) (*Config, error)

ParseConfig - parses data in reader to notification configuration.

func (*Config) SetRegion 

func (conf *Config) SetRegion(region string)

SetRegion - sets region to all queue configuration.

func (*Config) ToRulesMap 

func (conf *Config) ToRulesMap() RulesMap

ToRulesMap - converts all queue configuration to RulesMap.

func (*Config) UnmarshalXML 

func (conf *Config) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error

UnmarshalXML - decodes XML data.

func (Config) Validate 

func (conf Config) Validate(region string, targetList *TargetList) error

Validate - checks whether config has valid values or not.

type ErrARNNotFound 

type ErrARNNotFound struct {
	ARN ARN
}

ErrARNNotFound - ARN not found error.

func (ErrARNNotFound) Error 

func (err ErrARNNotFound) Error() string

type ErrDuplicateEventName 

type ErrDuplicateEventName struct {
	EventName Name
}

ErrDuplicateEventName - duplicate event name error.

func (ErrDuplicateEventName) Error 

func (err ErrDuplicateEventName) Error() string

type ErrDuplicateQueueConfiguration 

type ErrDuplicateQueueConfiguration struct {
	Queue Queue
}

ErrDuplicateQueueConfiguration - duplicate queue configuration error.

func (ErrDuplicateQueueConfiguration) Error 

func (err ErrDuplicateQueueConfiguration) Error() string

type ErrFilterNamePrefix 

type ErrFilterNamePrefix struct{}

ErrFilterNamePrefix - more than one prefix usage error.

func (ErrFilterNamePrefix) Error 

func (err ErrFilterNamePrefix) Error() string

type ErrFilterNameSuffix 

type ErrFilterNameSuffix struct{}

ErrFilterNameSuffix - more than one suffix usage error.

func (ErrFilterNameSuffix) Error 

func (err ErrFilterNameSuffix) Error() string

type ErrInvalidARN 

type ErrInvalidARN struct {
	ARN string
}

ErrInvalidARN - invalid ARN error.

func (ErrInvalidARN) Error 

func (err ErrInvalidARN) Error() string

type ErrInvalidEventName 

type ErrInvalidEventName struct {
	Name string
}

ErrInvalidEventName - invalid event name error.

func (ErrInvalidEventName) Error 

func (err ErrInvalidEventName) Error() string

type ErrInvalidFilterName 

type ErrInvalidFilterName struct {
	FilterName string
}

ErrInvalidFilterName - invalid filter name error.

func (ErrInvalidFilterName) Error 

func (err ErrInvalidFilterName) Error() string

type ErrInvalidFilterValue 

type ErrInvalidFilterValue struct {
	FilterValue string
}

ErrInvalidFilterValue - invalid filter value error.

func (ErrInvalidFilterValue) Error 

func (err ErrInvalidFilterValue) Error() string

type ErrUnknownRegion 

type ErrUnknownRegion struct {
	Region string
}

ErrUnknownRegion - unknown region error.

func (ErrUnknownRegion) Error 

func (err ErrUnknownRegion) Error() string

type ErrUnsupportedConfiguration 

type ErrUnsupportedConfiguration struct{}

ErrUnsupportedConfiguration - unsupported configuration error.

func (ErrUnsupportedConfiguration) Error 

func (err ErrUnsupportedConfiguration) Error() string

type Event 

type Event struct {
	EventVersion      string            `json:"eventVersion"`
	EventSource       string            `json:"eventSource"`
	AwsRegion         string            `json:"awsRegion"`
	EventTime         string            `json:"eventTime"`
	EventName         Name              `json:"eventName"`
	UserIdentity      Identity          `json:"userIdentity"`
	RequestParameters map[string]string `json:"requestParameters"`
	ResponseElements  map[string]string `json:"responseElements"`
	S3                Metadata          `json:"s3"`
	Source            Source            `json:"source"`
}

Event represents event notification information defined in http://docs.aws.amazon.com/AmazonS3/latest/dev/notification-content-structure.html.

type FilterRule 

type FilterRule struct {
	Name  string `xml:"Name"`
	Value string `xml:"Value"`
}

FilterRule - represents elements inside <FilterRule>...</FilterRule>

func (FilterRule) MarshalXML 

func (filter FilterRule) MarshalXML(e *xml.Encoder, start xml.StartElement) error

MarshalXML implements a custom marshaller to support `omitempty` feature.

func (*FilterRule) UnmarshalXML 

func (filter *FilterRule) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error

UnmarshalXML - decodes XML data.

type FilterRuleList 

type FilterRuleList struct {
	Rules []FilterRule `xml:"FilterRule,omitempty"`
}

FilterRuleList - represents multiple <FilterRule>...</FilterRule>

func (FilterRuleList) Pattern 

func (ruleList FilterRuleList) Pattern() string

Pattern - returns pattern using prefix and suffix values.

func (*FilterRuleList) UnmarshalXML 

func (ruleList *FilterRuleList) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error

UnmarshalXML - decodes XML data.

type Identity 

type Identity struct {
	PrincipalID string `json:"principalId"`
}

Identity represents access key who caused the event.

type Log 

type Log struct {
	EventName Name
	Key       string
	Records   []Event
}

Log represents event information for some event targets.

type Metadata 

type Metadata struct {
	SchemaVersion   string `json:"s3SchemaVersion"`
	ConfigurationID string `json:"configurationId"`
	Bucket          Bucket `json:"bucket"`
	Object          Object `json:"object"`
}

Metadata represents event metadata.

type Name 

type Name int

Name - event type enum. Refer http://docs.aws.amazon.com/AmazonS3/latest/dev/NotificationHowTo.html#notification-how-to-event-types-and-destinations for most basic values we have since extend this and its not really much applicable other than a reference point. "s3:Replication:OperationCompletedReplication" is a MinIO extension. 

const (
	ObjectAccessedAll Name = 1 + iota
	ObjectAccessedGet
	ObjectAccessedGetRetention
	ObjectAccessedGetLegalHold
	ObjectAccessedHead
	ObjectCreatedAll
	ObjectCreatedCompleteMultipartUpload
	ObjectCreatedCopy
	ObjectCreatedPost
	ObjectCreatedPut
	ObjectCreatedPutRetention
	ObjectCreatedPutLegalHold
	ObjectCreatedPutTagging
	ObjectCreatedDeleteTagging
	ObjectRemovedAll
	ObjectRemovedDelete
	ObjectRemovedDeleteMarkerCreated
	BucketCreated
	BucketRemoved
	ObjectReplicationAll
	ObjectReplicationFailed
	ObjectReplicationComplete
	ObjectReplicationMissedThreshold
	ObjectReplicationReplicatedAfterThreshold
	ObjectReplicationNotTracked
	ObjectRestorePostInitiated
	ObjectRestorePostCompleted
	ObjectRestorePostAll
	ObjectTransitionAll
	ObjectTransitionFailed
	ObjectTransitionComplete
)

Values of event Name

func ParseName 

func ParseName(s string) (Name, error)

ParseName - parses string to Name.

func (Name) Expand 

func (name Name) Expand() []Name

Expand - returns expanded values of abbreviated event type.

func (Name) MarshalJSON 

func (name Name) MarshalJSON() ([]byte, error)

MarshalJSON - encodes to JSON data.

func (Name) MarshalXML 

func (name Name) MarshalXML(e *xml.Encoder, start xml.StartElement) error

MarshalXML - encodes to XML data.

func (Name) String 

func (name Name) String() string

String - returns string representation of event type.

func (*Name) UnmarshalJSON 

func (name *Name) UnmarshalJSON(data []byte) error

UnmarshalJSON - decodes JSON data.

func (*Name) UnmarshalXML 

func (name *Name) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error

UnmarshalXML - decodes XML data.

type Object 

type Object struct {
	Key          string            `json:"key"`
	Size         int64             `json:"size,omitempty"`
	ETag         string            `json:"eTag,omitempty"`
	ContentType  string            `json:"contentType,omitempty"`
	UserMetadata map[string]string `json:"userMetadata,omitempty"`
	VersionID    string            `json:"versionId,omitempty"`
	Sequencer    string            `json:"sequencer"`
}

Object represents object metadata of the event.

type Queue 

type Queue struct {
	ARN ARN `xml:"Queue"`
	// contains filtered or unexported fields
}

Queue - represents elements inside <QueueConfiguration>

func (*Queue) SetRegion 

func (q *Queue) SetRegion(region string)

SetRegion - sets region value to queue's ARN.

func (Queue) ToRulesMap 

func (q Queue) ToRulesMap() RulesMap

ToRulesMap - converts Queue to RulesMap

func (*Queue) UnmarshalXML 

func (q *Queue) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error

UnmarshalXML - decodes XML data.

func (Queue) Validate 

func (q Queue) Validate(region string, targetList *TargetList) error

Validate - checks whether queue has valid values or not.

type Rules 

type Rules map[string]TargetIDSet

Rules - event rules

func (Rules) Add 

func (rules Rules) Add(pattern string, targetID TargetID)

Add - adds pattern and target ID.

func (Rules) Clone 

func (rules Rules) Clone() Rules

Clone - returns copy of this rules.

func (Rules) Difference 

func (rules Rules) Difference(rules2 Rules) Rules

Difference - returns diffrence with given rules as new rules.

func (Rules) Match 

func (rules Rules) Match(objectName string) TargetIDSet

Match - returns TargetIDSet matching object name in rules.

func (Rules) MatchSimple 

func (rules Rules) MatchSimple(objectName string) bool

MatchSimple - returns true one of the matching object name in rules.

func (Rules) Union 

func (rules Rules) Union(rules2 Rules) Rules

Union - returns union with given rules as new rules.

type RulesMap 

type RulesMap map[Name]Rules

RulesMap - map of rules for every event name.

func NewRulesMap 

func NewRulesMap(eventNames []Name, pattern string, targetID TargetID) RulesMap

NewRulesMap - creates new rules map with given values.

func (RulesMap) Add 

func (rulesMap RulesMap) Add(rulesMap2 RulesMap)

Add - adds given rules map.

func (RulesMap) Clone 

func (rulesMap RulesMap) Clone() RulesMap

Clone - returns copy of this rules map.

func (RulesMap) Match 

func (rulesMap RulesMap) Match(eventName Name, objectName string) TargetIDSet

Match - returns TargetIDSet matching object name and event name in rules map.

func (RulesMap) MatchSimple 

func (rulesMap RulesMap) MatchSimple(eventName Name, objectName string) bool

MatchSimple - returns true if matching object name and event name in rules map.

func (RulesMap) Remove 

func (rulesMap RulesMap) Remove(rulesMap2 RulesMap)

Remove - removes given rules map.

type S3Key 

type S3Key struct {
	RuleList FilterRuleList `xml:"S3Key,omitempty" json:"S3Key,omitempty"`
}

S3Key - represents elements inside <S3Key>...</S3Key>

func (S3Key) MarshalXML 

func (s3Key S3Key) MarshalXML(e *xml.Encoder, start xml.StartElement) error

MarshalXML implements a custom marshaller to support `omitempty` feature.

type Source 

type Source struct {
	Host      string `json:"host"`
	Port      string `json:"port"`
	UserAgent string `json:"userAgent"`
}

Source represents client information who triggered the event.

type Target 

type Target interface {
	ID() TargetID
	IsActive() (bool, error)
	Save(Event) error
	Send(string) error
	Close() error
	HasQueueStore() bool
}

Target - event target interface

type TargetID 

type TargetID struct {
	ID   string
	Name string
}

TargetID - holds identification and name strings of notification target.

func (TargetID) MarshalJSON 

func (tid TargetID) MarshalJSON() ([]byte, error)

MarshalJSON - encodes to JSON data.

func (TargetID) String 

func (tid TargetID) String() string

String - returns string representation.

func (TargetID) ToARN 

func (tid TargetID) ToARN(region string) ARN

ToARN - converts to ARN.

func (*TargetID) UnmarshalJSON 

func (tid *TargetID) UnmarshalJSON(data []byte) error

UnmarshalJSON - decodes JSON data.

type TargetIDResult 

type TargetIDResult struct {
	// ID where the remove or send were initiated.
	ID TargetID
	// Stores any error while removing a target or while sending an event.
	Err error
}

TargetIDResult returns result of Remove/Send operation, sets err if any for the associated TargetID

type TargetIDSet 

type TargetIDSet map[TargetID]struct{}

TargetIDSet - Set representation of TargetIDs.

func NewTargetIDSet 

func NewTargetIDSet(targetIDs ...TargetID) TargetIDSet

NewTargetIDSet - creates new TargetID set with given TargetIDs.

func (TargetIDSet) Clone 

func (set TargetIDSet) Clone() TargetIDSet

Clone - returns copy of this set.

func (TargetIDSet) Difference 

func (set TargetIDSet) Difference(sset TargetIDSet) TargetIDSet

Difference - returns diffrence with given set as new set.

func (TargetIDSet) IsEmpty 

func (set TargetIDSet) IsEmpty() bool

IsEmpty returns true if the set is empty.

func (TargetIDSet) Union 

func (set TargetIDSet) Union(sset TargetIDSet) TargetIDSet

Union - returns union with given set as new set.

type TargetList 

type TargetList struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

TargetList - holds list of targets indexed by target ID.

func NewTargetList 

func NewTargetList() *TargetList

NewTargetList - creates TargetList.

func (*TargetList) Add 

func (list *TargetList) Add(targets ...Target) error

Add - adds unique target to target list.

func (*TargetList) Exists 

func (list *TargetList) Exists(id TargetID) bool

Exists - checks whether target by target ID exists or not.

func (*TargetList) List 

func (list *TargetList) List() []TargetID

List - returns available target IDs.

func (*TargetList) Remove 

func (list *TargetList) Remove(targetIDSet TargetIDSet)

Remove - closes and removes targets by given target IDs.

func (*TargetList) Send 

func (list *TargetList) Send(event Event, targetIDset TargetIDSet, resCh chan<- TargetIDResult)

Send - sends events to targets identified by target IDs.

func (*TargetList) TargetMap 

func (list *TargetList) TargetMap() map[TargetID]Target

TargetMap - returns available targets.

func (*TargetList) Targets 

func (list *TargetList) Targets() []Target

Targets - list all targets

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