logstream

package
v1.22.2 Latest Latest
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 Go to latest Published: Dec 21, 2023 License: MIT Imports: 22 Imported by: 1

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Index

Constants

View Source 
const NO_TEST = "no_test"

Variables

This section is empty.

Functions

func NoOpConsumerFn 

func NoOpConsumerFn(consumer *ContainerLogConsumer) error

NoOpConsumerFn is a no-op consumer function

Types

type ConsumerConsumingFn 

type ConsumerConsumingFn = func(consumer *ContainerLogConsumer) error

type ConsumerLogConsumingFn 

type ConsumerLogConsumingFn = func(consumer *ContainerLogConsumer, log LogContent) error

type ContainerLogConsumer 

type ContainerLogConsumer struct {
	// contains filtered or unexported fields
}

ContainerLogConsumer is a container log lines consumer

func (*ContainerLogConsumer) Accept 

func (g *ContainerLogConsumer) Accept(l testcontainers.Log)

Accept accepts the log message from particular container and saves it to the temp gob file

func (*ContainerLogConsumer) GetContainer 

func (g *ContainerLogConsumer) GetContainer() LogProducingContainer

GetContainer returns the container that this consumer is connected to

func (*ContainerLogConsumer) GetStartTime 

func (g *ContainerLogConsumer) GetStartTime() time.Time

GetStartTime returns the time of the first log line

func (*ContainerLogConsumer) MarkAsErrored 

func (g *ContainerLogConsumer) MarkAsErrored()

MarkAsErrored marks the consumer as errored (which makes it stop accepting logs)

func (*ContainerLogConsumer) ResetTempFile 

func (g *ContainerLogConsumer) ResetTempFile() error

ResetTempFile resets the temp file and gob encoder

type FileLogHandler 

type FileLogHandler struct {
	// contains filtered or unexported fields
}

FileLogHandler saves logs to local files

func (FileLogHandler) GetLogLocation 

func (h FileLogHandler) GetLogLocation(_ map[string]*ContainerLogConsumer) (string, error)

func (*FileLogHandler) GetRunId 

func (h *FileLogHandler) GetRunId() string

func (FileLogHandler) GetTarget 

func (h FileLogHandler) GetTarget() LogTarget

func (*FileLogHandler) Handle 

func (h *FileLogHandler) Handle(c *ContainerLogConsumer, content LogContent) error

func (*FileLogHandler) Init 

func (h *FileLogHandler) Init(c *ContainerLogConsumer) error

func (*FileLogHandler) SetRunId 

func (h *FileLogHandler) SetRunId(runId string)

func (*FileLogHandler) Teardown 

func (h *FileLogHandler) Teardown() error

type HandleLogTarget 

type HandleLogTarget interface {
	Handle(*ContainerLogConsumer, LogContent) error
	GetLogLocation(map[string]*ContainerLogConsumer) (string, error)
	GetTarget() LogTarget
	SetRunId(string)
	GetRunId() string
	Init(*ContainerLogConsumer) error
	Teardown() error
}

type InMemoryLogHandler 

type InMemoryLogHandler struct {
	// contains filtered or unexported fields
}

InMemoryLogHandler stores logs in memory

func (InMemoryLogHandler) GetLogLocation 

func (h InMemoryLogHandler) GetLogLocation(_ map[string]*ContainerLogConsumer) (string, error)

func (*InMemoryLogHandler) GetRunId 

func (h *InMemoryLogHandler) GetRunId() string

func (InMemoryLogHandler) GetTarget 

func (h InMemoryLogHandler) GetTarget() LogTarget

func (*InMemoryLogHandler) Handle 

func (h *InMemoryLogHandler) Handle(c *ContainerLogConsumer, content LogContent) error

func (*InMemoryLogHandler) Init 

func (h *InMemoryLogHandler) Init(_ *ContainerLogConsumer) error

func (*InMemoryLogHandler) SetRunId 

func (h *InMemoryLogHandler) SetRunId(runId string)

func (*InMemoryLogHandler) Teardown 

func (h *InMemoryLogHandler) Teardown() error

type LogContent 

type LogContent struct {
	TestName      string
	ContainerName string
	Content       []byte
	Time          time.Time
}

LogContent is a representation of log that will be send to Loki

type LogNotification 

type LogNotification struct {
	Container string
	Prefix    string
	Log       string
}

LogNotification notification about log line match for some container

type LogProducingContainer 

type LogProducingContainer interface {
	Name(ctx context.Context) (string, error)
	FollowOutput(consumer testcontainers.LogConsumer)
	StartLogProducer(ctx context.Context, timeout time.Duration) error
	StopLogProducer() error
	GetLogProducerErrorChannel() <-chan error
	IsRunning() bool
	GetContainerID() string
	Terminate(context.Context) error
}

LogProducingContainer is a facade that needs to be implemented by any container that wants to be connected to LogStream

type LogStream 

type LogStream struct {
	// contains filtered or unexported fields
}

LogStream is a test helper struct to monitor docker container logs for some patterns and push their logs into Loki for further analysis

func NewLogStream 

func NewLogStream(t *testing.T, patterns map[string][]*regexp.Regexp, options ...Option) (*LogStream, error)

NewLogStream creates a new LogStream instance, with Loki client only if Loki log target is enabled (lazy init)

func (*LogStream) ConnectContainer 

func (m *LogStream) ConnectContainer(ctx context.Context, container LogProducingContainer, prefix string) error

ConnectContainer connects consumer to selected container, starts testcontainers.LogProducer and listens to it's failures in a detached goroutine

func (*LogStream) ContainerLogs 

func (m *LogStream) ContainerLogs(name string) ([]string, error)

ContainerLogs return all logs for particular container

func (*LogStream) DisconnectContainer 

func (m *LogStream) DisconnectContainer(container LogProducingContainer) error

DisconnectContainer disconnects particular container

func (*LogStream) FlushAndShutdown 

func (m *LogStream) FlushAndShutdown() error

FlushAndShutdown flushes all logs to their targets and shuts down the log stream in a default sequence

func (*LogStream) FlushLogsToTargets 

func (m *LogStream) FlushLogsToTargets() error

FlushLogsToTargets flushes all logs for all consumers (containers) to their targets

func (*LogStream) GetAllLogsAndConsume 

func (m *LogStream) GetAllLogsAndConsume(preExecuteFn ConsumerConsumingFn, consumeLogFn ConsumerLogConsumingFn, postExecuteFn ConsumerConsumingFn) (loopErr error)

GetAllLogsAndConsume gets all logs for all consumers (containers) and consumes them using consumeLogFn

func (*LogStream) GetConsumers 

func (m *LogStream) GetConsumers() map[string]*ContainerLogConsumer

GetConsumers returns all consumers

func (*LogStream) PrintLogTargetsLocations 

func (m *LogStream) PrintLogTargetsLocations()

PrintLogTargetsLocations prints all log targets locations to stdout

func (*LogStream) SaveLogLocationInTestSummary 

func (m *LogStream) SaveLogLocationInTestSummary()

SaveLogTargetsLocations saves all log targets locations to test summary

func (*LogStream) SaveLogTargetsLocations 

func (m *LogStream) SaveLogTargetsLocations(writer LogWriter)

SaveLogTargetsLocations saves all log targets given writer

func (*LogStream) Shutdown 

func (m *LogStream) Shutdown(context context.Context) error

Shutdown disconnects all containers and stops all consumers

type LogTarget 

type LogTarget string
const (
	Loki     LogTarget = "loki"
	File     LogTarget = "file"
	InMemory LogTarget = "in-memory"
)

type LogWriter 

type LogWriter = func(testName string, name string, location interface{}) error

type LokiLogHandler 

type LokiLogHandler struct {
	// contains filtered or unexported fields
}

LokiLogHandler sends logs to Loki

func (*LokiLogHandler) GetLogLocation 

func (h *LokiLogHandler) GetLogLocation(consumers map[string]*ContainerLogConsumer) (string, error)

func (*LokiLogHandler) GetRunId 

func (h *LokiLogHandler) GetRunId() string

func (LokiLogHandler) GetTarget 

func (h LokiLogHandler) GetTarget() LogTarget

func (*LokiLogHandler) Handle 

func (h *LokiLogHandler) Handle(c *ContainerLogConsumer, content LogContent) error

func (*LokiLogHandler) Init 

func (h *LokiLogHandler) Init(c *ContainerLogConsumer) error

func (*LokiLogHandler) SetRunId 

func (h *LokiLogHandler) SetRunId(runId string)

func (*LokiLogHandler) Teardown 

func (h *LokiLogHandler) Teardown() error

type Option 

type Option func(*LogStream)

func WithCustomLogHandler 

func WithCustomLogHandler(logTarget LogTarget, handler HandleLogTarget) Option

WithCustomLogHandler allows to override default log handler for particular log target

func WithLogProducerRetryLimit 

func WithLogProducerRetryLimit(retryLimit int) Option

WithLogProducerRetryLimit allows to override default log producer retry limit of 10

func WithLogProducerTimeout 

func WithLogProducerTimeout(timeout time.Duration) Option

WithLogProducerTimeout allows to override default log producer timeout of 5 seconds

func WithLogTarget 

func WithLogTarget(logTarget LogTarget) Option

WithLogTarget allows setting log targets programmatically (also overrides LOGSTREAM_LOG_TARGETS env var)

Source Files

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