def pod_exec(self, pod_name, exec_command, timeout=60):
"""work as the command (with timeout): kubectl exec 'pod_name' 'exec_command'"""
try:
logging.info("Exec on pod {}: {}".format(pod_name, exec_command))
client = stream(
self.v1.connect_get_namespaced_pod_exec,
name=pod_name,
namespace=self.namespace,
command=exec_command,
stderr=True,
stdin=False,
stdout=True,
tty=False,
_preload_content=False,
)
client.run_forever(timeout=timeout)
err = yaml.full_load(client.read_channel(ERROR_CHANNEL))
if err is None:
return [-1, "Timeout"]
if err["status"] == "Success":
status_code = 0
else:
logging.debug("Exec on pod {} failed. cmd: {}, err: {}.".format(pod_name, exec_command, err))
status_code = int(err["details"]["causes"][0]["message"])
output = client.read_all()
logging.info("Exec on pod {}, status: {}, cmd: {}, output: {}".format(pod_name, status_code, exec_command, output))
return [status_code, output]
except ApiException as err:
logging.error("Exec on pod {} error. cmd: {}, err: {}.".format(pod_name, exec_command, err), exc_info=True)
return [-1, err.message]
def pod_exec(pod_name, exec_command, timeout=60):
"""work as the command (with timeout): kubectl exec 'pod_name' 'exec_command'"""
try:
logger.debug("Exec on pod %s: %s", pod_name, exec_command)
client = stream(
k8s_core_api.connect_get_namespaced_pod_exec,
name=pod_name,
namespace="default",
command=exec_command,
stderr=True,
stdin=False,
stdout=True,
tty=False,
_preload_content=False,
)
client.run_forever(timeout=timeout)
err = yaml.full_load(client.read_channel(ERROR_CHANNEL))
if err is None:
return [-1, "Timeout"]
if err["status"] == "Success":
status_code = 0
else:
logger.debug("Exec on pod %s failed. cmd: %s, err: %s.", pod_name,
exec_command, err)
status_code = int(err["details"]["causes"][0]["message"])
output = client.read_all()
logger.info("Exec on pod %s, status: %s, cmd: %s, output: %s", pod_name,
status_code, exec_command, output)
return [status_code, output]
except ApiException as err:
logger.exception("Exec on pod %s error. cmd: %s, err: %s.", pod_name,
exec_command, err)
return [-1, err.message]