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package api
import (
"context"
"fmt"
"io"
"log/slog"
"regexp"
"time"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/client"
)
const vttContainerId string = "foundry-foundry-1"
// Strip ansi control characters from source
//
// The source reader is automatically closed when stripper reader is
type ansiStripper struct {
regex regexp.Regexp
source io.ReadCloser
}
func NewAnsiStripper(source io.ReadCloser) *ansiStripper {
striper := new(ansiStripper)
striper.regex = *regexp.MustCompile(`\x1b[[0-9;]*m`)
striper.source = source
return striper
}
func (rc ansiStripper) Read(p []byte) (int, error) {
n, err := rc.source.Read(p)
if err != io.EOF && err != nil {
return n, err
}
stripped := rc.regex.ReplaceAll(p[:n], []byte(""))
n = copy(p, stripped)
return n, err
}
func (rc ansiStripper) Close() error {
return rc.source.Close()
}
func stopVtt(ctx context.Context) error {
apiClient, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
if err != nil {
Logger.ErrorContext(ctx, "Failed to get docker api client", slog.Any("err", err))
return err
}
defer apiClient.Close()
Logger.InfoContext(ctx, "Stopping foundry container")
err = apiClient.ContainerStop(ctx, vttContainerId, container.StopOptions{})
if err != nil {
Logger.ErrorContext(ctx, "Error occured while stopping foundry container", slog.Any("err", err))
return err
}
return nil
}
// Get readcloser for logs
// If lines is zero, returns all logs.
func vttLogs(ctx context.Context, lines uint) (io.ReadCloser, error) {
apiClient, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
if err != nil {
Logger.ErrorContext(ctx, "Failed to get docker api client", slog.Any("err", err))
return nil, err
}
defer apiClient.Close()
opts := container.LogsOptions{
ShowStdout: true,
// ShowStderr: true,
}
if lines != 0 {
opts.Tail = fmt.Sprint(lines)
}
Logger.DebugContext(ctx, "Getting container logs")
r, err := apiClient.ContainerLogs(ctx, vttContainerId, opts)
if err != nil {
Logger.ErrorContext(ctx, "Failed to get foundry container's logs", slog.Any("err", err))
return nil, err
}
return r, nil
}
func vttStatus(ctx context.Context) ServerStatus {
status := ServerStatus{}
status.Site = VTT_URL
status.Timestamp = time.Now()
apiClient, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
if err != nil {
Logger.ErrorContext(ctx, "Failed to get docker api client", slog.Any("err", err))
return status
}
defer apiClient.Close()
json, err := apiClient.ContainerInspect(ctx, vttContainerId)
if err != nil {
Logger.ErrorContext(ctx, "Error occured while geting foundry container stats", slog.Any("err", err))
return status
}
status.Online = json.State.Running
return status
}
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