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package wait
import (
"context"
"errors"
"fmt"
"io"
"time"
"github.com/docker/docker/api/types/container"
"github.com/docker/go-connections/nat"
"github.com/testcontainers/testcontainers-go/exec"
)
// Strategy defines the basic interface for a Wait Strategy
type Strategy interface {
WaitUntilReady(context.Context, StrategyTarget) error
}
// StrategyTimeout allows MultiStrategy to configure a Strategy's Timeout
type StrategyTimeout interface {
Timeout() *time.Duration
}
type StrategyTarget interface {
Host(context.Context) (string, error)
Inspect(context.Context) (*container.InspectResponse, error)
Ports(ctx context.Context) (nat.PortMap, error) // Deprecated: use Inspect instead
MappedPort(context.Context, nat.Port) (nat.Port, error)
Logs(context.Context) (io.ReadCloser, error)
Exec(context.Context, []string, ...exec.ProcessOption) (int, io.Reader, error)
State(context.Context) (*container.State, error)
CopyFileFromContainer(ctx context.Context, filePath string) (io.ReadCloser, error)
}
func checkTarget(ctx context.Context, target StrategyTarget) error {
state, err := target.State(ctx)
if err != nil {
return fmt.Errorf("get state: %w", err)
}
return checkState(state)
}
func checkState(state *container.State) error {
switch {
case state.Running:
return nil
case state.OOMKilled:
return errors.New("container crashed with out-of-memory (OOMKilled)")
case state.Status == "exited":
return fmt.Errorf("container exited with code %d", state.ExitCode)
default:
return fmt.Errorf("unexpected container status %q", state.Status)
}
}
func defaultStartupTimeout() time.Duration {
return 60 * time.Second
}
func defaultPollInterval() time.Duration {
return 100 * time.Millisecond
}
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