}

// IsDCOS returns true if minio is running in DCOS.
func IsDCOS() bool {
	// http://mesos.apache.org/documentation/latest/docker-containerizer/
	// Mesos docker containerizer sets this value
	return env.Get("MESOS_CONTAINER_NAME", "") != ""
}

// IsKubernetes returns true if minio is running in kubernetes.
func IsKubernetes() bool {
	// Kubernetes env used to validate if we are

FastAPI는 `q`가 `= None`이므로 선택적이라는 것을 인지합니다.

`Union[str, None]`에 있는 `Union`은 FastAPI(FastAPI는 `str` 부분만 사용합니다)가 사용하는게 아니지만, `Union[str, None]`은 편집기에게 코드에서 오류를 찾아낼 수 있게 도와줍니다.

///

## 쿼리 매개변수 형변환

`bool` 형으로 선언할 수도 있고, 아래처럼 변환됩니다:

{* ../../docs_src/query_params/tutorial003.py hl[9] *}

이 경우, 아래로 이동하면:

```
http://127.0.0.1:8000/items/foo?short=1
```

또는

```

		t.Fatalf("Expected two free versions but got %d", len(freeVersions))
	}

	freeVersionsTests := []struct {
		vol          string
		name         string
		inclFreeVers bool
		afterFn      func(fi FileInfo) (string, error)
		expectedFree bool
		expectedErr  error
	}{
		// ToFileInfo with 'inclFreeVers = true' should return the latest
		// non-free version if one is present
		{
			vol:          newtierfi.Volume,

	}
	return i
}

// Does all errors indicate we need to initialize all disks?.
func shouldInitErasureDisks(errs []error) bool {
	return countErrs(errs, errUnformattedDisk) == len(errs)
}

// Check if unformatted disks are equal to 50%+1 of all the drives.
func quorumUnformattedDisks(errs []error) bool {
	return countErrs(errs, errUnformattedDisk) >= (len(errs)/2)+1
}

package cmd

import (
	"errors"
	"os"
	"reflect"
	"testing"
)

func Test_readFromSecret(t *testing.T) {
	testCases := []struct {
		content       string
		expectedErr   bool
		expectedValue string
	}{
		{
			"value\n",
			false,
			"value",
		},
		{
			" \t\n Hello, Gophers \n\t\r\n",
			false,
			"Hello, Gophers",
		},
	}

		}
	}
}

func TestTargetDMarshalJSON(t *testing.T) {
	testCases := []struct {
		tid          TargetID
		expectedData []byte
		expectErr    bool
	}{
		{TargetID{}, []byte(`":"`), false},
		{TargetID{"1", "webhook"}, []byte(`"1:webhook"`), false},

		}
	}
}

func TestTargetDMarshalJSON(t *testing.T) {
	testCases := []struct {
		tid          TargetID
		expectedData []byte
		expectErr    bool
	}{
		{TargetID{}, []byte(`":"`), false},
		{TargetID{"1", "webhook"}, []byte(`"1:webhook"`), false},

func (m *muxServer) sendResponses(ctx context.Context, toSend <-chan []byte, c *Connection, handlerErr *atomic.Pointer[RemoteErr], outBlock <-chan struct{}) {
	for {
		// Process outgoing message.
		var payload []byte
		var ok bool
		select {
		case payload, ok = <-toSend:
		case <-ctx.Done():
			return
		}
		select {
		case <-ctx.Done():
			return
		case <-outBlock:
		}
		msg := message{
			MuxID: m.ID,

type Info struct {
	Total      uint64
	Free       uint64
	Used       uint64
	Files      uint64
	Ffree      uint64
	FSType     string
	Major      uint32
	Minor      uint32
	Name       string
	Rotational *bool
	NRRequests uint64
}

// IOStats contains stats of a single drive
type IOStats struct {
	ReadIOs        uint64
	ReadMerges     uint64
	ReadSectors    uint64
	ReadTicks      uint64
	WriteIOs       uint64

 *
 * @since 4.0.0
 */
@Experimental
public interface Parser {
    /**
     * Parses the given ParserRequest to create an {@link InvokerRequest}.
     * This method does interpret tool arguments.
     *
     * @param parserRequest the request containing all necessary information for parsing
     * @return the parsed invoker request. Caller must start by checking {@link InvokerRequest#parsingFailed()} as