How to use FileExists method of gcs Package

Best Syzkaller code snippet using gcs.FileExists

gcs_test.go

Source:gcs_test.go

...46	require.NoError(t, rc.Close())47	d, err = stg.ReadFile(ctx, "key")48	require.NoError(t, err)49	require.Equal(t, []byte("data"), d)50	exist, err := stg.FileExists(ctx, "key")51	require.NoError(t, err)52	require.True(t, exist)53	exist, err = stg.FileExists(ctx, "key_not_exist")54	require.NoError(t, err)55	require.False(t, exist)56	keyDelete := "key_delete"57	exist, err = stg.FileExists(ctx, keyDelete)58	require.NoError(t, err)59	require.False(t, exist)60	err = stg.WriteFile(ctx, keyDelete, []byte("data"))61	require.NoError(t, err)62	exist, err = stg.FileExists(ctx, keyDelete)63	require.NoError(t, err)64	require.True(t, exist)65	err = stg.DeleteFile(ctx, keyDelete)66	require.NoError(t, err)67	exist, err = stg.FileExists(ctx, keyDelete)68	require.NoError(t, err)69	require.False(t, exist)70	checkWalkDir := func(stg *gcsStorage, opt *WalkOption) {71		var totalSize int64 = 072		err = stg.WalkDir(ctx, opt, func(name string, size int64) error {73			totalSize += size74			// also test can use this path open file75			_, err := stg.Open(ctx, name)76			require.NoError(t, err)77			return nil78		})79		require.NoError(t, err)80		require.Equal(t, int64(42), totalSize)81	}...

init.go

Source:init.go

1package gcs2import (3	"io/ioutil"4	"log"5	"net/http"6	"os"7	"golang.org/x/net/context"8	"golang.org/x/oauth2"9	"golang.org/x/oauth2/google"10	storage "google.golang.org/api/storage/v1"11)12const (13	scope                  = storage.DevstorageReadOnlyScope14	accessTokenPath        = "/etc/apt/gcs_access_token"15	serviceAccountJSONPath = "/etc/apt/gcs_sa_json"16)17var (18	client   *context.Context19	service  *storage.Service20	oService *storage.ObjectsService21)22var ctx context.Context = context.Background()23// InitConfig creates the google storage client that is used from the apt package24func InitConfig() {25	client, err := getClient()26	if err != nil {27		log.Fatalf("Unable to get client: %v", err)28	}29	service, err = storage.New(client)30	if err != nil {31		log.Fatalf("Unable to create storage service: %v", err)32	}33	oService = storage.NewObjectsService(service)34	if err != nil {35		log.Fatalf("Unable to create objects storage service: %v", err)36	}37}38// getClient returns an authenticated http client based on a different set of GCP39// auth methods, cascading in the following order:40// if access_token (bearer) is present in /etc/apt/gcs_access_token use it,41// else if Service Account JSON key is present in /etc/apt/gcs_sa_json use it,42// else try to get Application Default credentials https://github.com/golang/oauth2/blob/master/google/default.go43func getClient() (client *http.Client, err error) {44	switch {45	case fileExists(accessTokenPath):46		client, err = clientFromAccessToken(accessTokenPath)47		if err != nil {48			log.Fatalf("Unable to get client: %v", err)49		}50	case fileExists(serviceAccountJSONPath):51		client, err = clientFromServiceAccount(serviceAccountJSONPath)52		if err != nil {53			log.Fatalf("Unable to get client: %v", err)54		}55	default:56		client, err = google.DefaultClient(ctx, scope)57		if err != nil {58			log.Fatalf("Unable to get client: %v", err)59		}60	}61	return client, err62}63// clientFromAccessToken creates an http client authenticated using a GCS access_token (gcloud auth print-access-token)64func clientFromAccessToken(accessTokenPath string) (client *http.Client, err error) {65	tokenBytes, err := ioutil.ReadFile(accessTokenPath)66	if err != nil {67		log.Fatalf("Error while reading access_token file: %v", err)68	}69	token := oauth2.Token{70		AccessToken: string(tokenBytes),71	}72	tokenSource := oauth2.StaticTokenSource(&token)73	return oauth2.NewClient(ctx, tokenSource), err74}75// clientFromServiceAccount creates an http client authenticated using a GCS Service account JSON key76func clientFromServiceAccount(serviceAccountJSONPath string) (client *http.Client, err error) {77	JSONBytes, err := ioutil.ReadFile(serviceAccountJSONPath)78	if err != nil {79		log.Fatalf("Error while reading SA json file: %v", err)80	}81	credentials, err := google.CredentialsFromJSON(ctx, JSONBytes, scope)82	tokenSource := credentials.TokenSource83	return oauth2.NewClient(ctx, tokenSource), err84}85// fileExists checks if a file exists86func fileExists(filename string) bool {87	info, err := os.Stat(filename)88	if os.IsNotExist(err) {89		return false90	}91	return !info.IsDir()92}...

FileExists

Using AI Code Generation

1import (2func main() {3 gcs, err := bookshelf.NewGCSClient()4 if err != nil {5 fmt.Println(err)6 }7}

FileExists

Using AI Code Generation

1import (2func main() {3	fmt.Println(gcs.FileExists("gcs.go"))4}5import (6func main() {7	fmt.Println(gcs.FileExists("gcs.go"))8}

FileExists

Using AI Code Generation

1import (2func main() {3	gcs, err := gcs.NewClient(storage.New)4	if err != nil {5		fmt.Println(err)6	}7}8import (9func main() {10	gcs, err := gcs.NewClient(storage.New)11	if err != nil {12		fmt.Println(err)13	}14}15import (16func main() {17	gcs, err := gcs.NewClient(storage.New)18	if err != nil {19		fmt.Println(err)20	}21}22import (23func main() {24	gcs, err := gcs.NewClient(storage.New)25	if err != nil {26		fmt.Println(err)27	}28}

FileExists

Using AI Code Generation

1import (2func main() {3	gcs, _ := gcsx.NewGCSX("my-bucket", "my-key.json")4	exists, _ := gcs.FileExists("path/to/my/file")5	fmt.Println(exists)6}7import (8func main() {9	gcs, _ := gcsx.NewGCSX("my-bucket", "my-key.json")10	data, _ := gcs.ReadFile("path/to/my/file")11	fmt.Println(string(data))12}13import (14func main() {15	gcs, _ := gcsx.NewGCSX("my-bucket", "my-key.json")16	gcs.WriteFile("path/to/my/file", []byte("Hello, World!"))17}18import (19func main() {20	gcs, _ := gcsx.NewGCSX("my-bucket", "my-key.json")21	gcs.DeleteFile("path/to/my/file")22}23import (24func main() {25	gcs, _ := gcsx.NewGCSX("my-bucket", "my-key.json")26	files, _ := gcs.ListFiles("path/to/my/file")27	fmt.Println(files)28}29import (30func main() {31	gcs, _ := gcsx.NewGCSX("my-bucket", "my-key.json")32	files, _ := gcs.ListFiles("path/to/my/file",

FileExists

Using AI Code Generation

1import (2func main() {3	if err != nil {4		fmt.Println("Error: ", err)5	} else {6		fmt.Println("File Exists: ", exists)7	}8}9import (10func main() {11	if err != nil {12		fmt.Println("Error: ", err)13	} else {14		fmt.Println("File Exists: ", exists)15	}16}17import (18func main() {19	if err != nil {20		fmt.Println("Error: ", err)21	} else {22		fmt.Println("File Exists: ", exists)23	}24}25import (26func main() {27	if err != nil {28		fmt.Println("Error: ", err)29	} else {30		fmt.Println("File Exists: ", exists)31	}32}33import (34func main() {35	if err != nil {36		fmt.Println("Error: ", err)37	} else {38		fmt.Println("File Exists: ", exists)39	}40}41import (

FileExists

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the file name to check existence")4	fmt.Scanln(&file)5	gcs := storage.GCS{BucketName: "my-bucket"}6	exists, err := gcs.FileExists(file)7	if err != nil {8		fmt.Println(err)9	}10	if exists {11		fmt.Println("File exists")12	} else {13		fmt.Println("File does not exist")14	}15}16import (17func main() {18	fmt.Println("Enter the file name to check existence")19	fmt.Scanln(&file)20	gcs := storage.GCS{BucketName: "my-bucket"}21	exists, err := gcs.FileExists(file)22	if err != nil {23		fmt.Println(err)24	}25	if exists {26		fmt.Println("File exists")27	} else {28		fmt.Println("File does not exist")29	}30}31import (32func main() {33	fmt.Println("Enter the file name to check existence")34	fmt.Scanln(&file)35	gcs := storage.GCS{BucketName: "my-bucket"}36	exists, err := gcs.FileExists(file)37	if err != nil {38		fmt.Println(err)39	}40	if exists {41		fmt.Println("File exists")42	} else {43		fmt.Println("File does not exist")44	}45}46import (47func main() {48	fmt.Println("Enter the file name to check existence")49	fmt.Scanln(&file)50	gcs := storage.GCS{BucketName: "my-bucket"}51	exists, err := gcs.FileExists(file)52	if err != nil {53		fmt.Println(err)54	}55	if exists {56		fmt.Println("File exists")57	} else {58		fmt.Println("File does not exist")

FileExists

Using AI Code Generation

1import "fmt"2import "github.com/GoogleCloudPlatform/gcsfuse/examples/gcs"3func main() {4        gcsObj := gcs.Gcs{}5        fmt.Println(status)6}7panic(0x6c9c0, 0xc82000a0a0)8main.main()

FileExists

Using AI Code Generation

1import (2func main() {3	gcsObj := gcs.NewGcs("gcs.json")4	exists, err := gcsObj.FileExists("test.txt")5	if err != nil {6		fmt.Println(err)7	}8	fmt.Println(exists)9}10import (11func main() {12	gcsObj := gcs.NewGcs("gcs.json")13	content, err := gcsObj.GetFileContent("test.txt")14	if err != nil {15		fmt.Println(err)16	}17	fmt.Println(content)18}19import (20func main() {21	gcsObj := gcs.NewGcs("gcs.json")22	stream, err := gcsObj.GetFileContentAsStream("test.txt")23	if err != nil {24		fmt.Println(err)25	}26	fmt.Println(stream)27}28import (29func main() {30	gcsObj := gcs.NewGcs("gcs.json")31	bytes, err := gcsObj.GetFileContentAsBytes("test.txt")32	if err != nil {33		fmt.Println(err)34	}35	fmt.Println(bytes)36}

FileExists

Using AI Code Generation

1import (2func main() {3	g.Init("rahulbharuka", "go-gcs")4	fmt.Println(g.FileExists("1.go"))5}6import (7func main() {8	g.Init("rahulbharuka", "go-gcs")9	g.Delete("1.go")10}11import (12func main() {13	g.Init("rahulbharuka", "go-gcs")14	g.Download("1.go", "1.go")15}16import (17func main() {18	g.Init("rahulbharuka", "go-gcs")19	g.Upload("1.go", "1.go")20}21import (22func main() {23	g.Init("rahulbharuka", "go-gcs")24	fmt.Println(g.List())25}26import (27func main() {28	g.Init("rahulbharuka", "go-gcs")29	fmt.Println(g.List("1"))30}

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