egutierrez
0402e0fdbe
Funciones Docker: list/start/stop/remove containers, list/pull/remove images, inspect, logs, run. Tipos: ContainerInfo e ImageInfo. Pre-existentes en el dominio infra, ahora registrados.
24 lines
531 B
Go
24 lines
531 B
Go
package infra
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import (
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"fmt"
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"os/exec"
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"strconv"
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)
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// DockerContainerLogs obtiene los logs de un contenedor. tail limita las últimas N líneas (0 = todas).
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func DockerContainerLogs(nameOrID string, tail int) (string, error) {
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args := []string{"logs"}
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if tail > 0 {
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args = append(args, "--tail", strconv.Itoa(tail))
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}
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args = append(args, nameOrID)
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out, err := exec.Command("docker", args...).CombinedOutput()
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if err != nil {
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return "", fmt.Errorf("docker logs %s: %w", nameOrID, err)
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}
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return string(out), nil
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}
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