You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
576 lines
18 KiB
576 lines
18 KiB
package s3tables
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
"strconv"
|
|
"testing"
|
|
"time"
|
|
|
|
cryptorand "crypto/rand"
|
|
"sync"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/command"
|
|
"github.com/seaweedfs/seaweedfs/weed/glog"
|
|
"github.com/seaweedfs/seaweedfs/weed/s3api/s3tables"
|
|
flag "github.com/seaweedfs/seaweedfs/weed/util/fla9"
|
|
)
|
|
|
|
var (
|
|
miniClusterMutex sync.Mutex
|
|
)
|
|
|
|
func TestS3TablesIntegration(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("Skipping integration test in short mode")
|
|
}
|
|
|
|
// Create and start test cluster
|
|
cluster, err := startMiniCluster(t)
|
|
require.NoError(t, err)
|
|
defer cluster.Stop()
|
|
|
|
// Create S3 Tables client
|
|
client := NewS3TablesClient(cluster.s3Endpoint, testRegion, testAccessKey, testSecretKey)
|
|
|
|
// Run test suite
|
|
t.Run("TableBucketLifecycle", func(t *testing.T) {
|
|
testTableBucketLifecycle(t, client)
|
|
})
|
|
|
|
t.Run("NamespaceLifecycle", func(t *testing.T) {
|
|
testNamespaceLifecycle(t, client)
|
|
})
|
|
|
|
t.Run("TableLifecycle", func(t *testing.T) {
|
|
testTableLifecycle(t, client)
|
|
})
|
|
|
|
t.Run("TableBucketPolicy", func(t *testing.T) {
|
|
testTableBucketPolicy(t, client)
|
|
})
|
|
|
|
t.Run("TablePolicy", func(t *testing.T) {
|
|
testTablePolicy(t, client)
|
|
})
|
|
|
|
t.Run("Tagging", func(t *testing.T) {
|
|
testTagging(t, client)
|
|
})
|
|
}
|
|
|
|
func testTableBucketLifecycle(t *testing.T, client *S3TablesClient) {
|
|
bucketName := "test-bucket-" + randomString(8)
|
|
|
|
// Create table bucket
|
|
createResp, err := client.CreateTableBucket(bucketName, nil)
|
|
require.NoError(t, err, "Failed to create table bucket")
|
|
assert.Contains(t, createResp.ARN, bucketName)
|
|
t.Logf("✓ Created table bucket: %s", createResp.ARN)
|
|
|
|
// Get table bucket
|
|
getResp, err := client.GetTableBucket(createResp.ARN)
|
|
require.NoError(t, err, "Failed to get table bucket")
|
|
assert.Equal(t, bucketName, getResp.Name)
|
|
t.Logf("✓ Got table bucket: %s", getResp.Name)
|
|
|
|
// List table buckets
|
|
listResp, err := client.ListTableBuckets("", "", 0)
|
|
require.NoError(t, err, "Failed to list table buckets")
|
|
found := false
|
|
for _, b := range listResp.TableBuckets {
|
|
if b.Name == bucketName {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
assert.True(t, found, "Created bucket should appear in list")
|
|
t.Logf("✓ Listed table buckets, found %d buckets", len(listResp.TableBuckets))
|
|
|
|
// Delete table bucket
|
|
err = client.DeleteTableBucket(createResp.ARN)
|
|
require.NoError(t, err, "Failed to delete table bucket")
|
|
t.Logf("✓ Deleted table bucket: %s", bucketName)
|
|
|
|
// Verify bucket is deleted
|
|
_, err = client.GetTableBucket(createResp.ARN)
|
|
assert.Error(t, err, "Bucket should not exist after deletion")
|
|
}
|
|
|
|
func testNamespaceLifecycle(t *testing.T, client *S3TablesClient) {
|
|
bucketName := "test-ns-bucket-" + randomString(8)
|
|
namespaceName := "test_namespace"
|
|
|
|
// Create table bucket first
|
|
createBucketResp, err := client.CreateTableBucket(bucketName, nil)
|
|
require.NoError(t, err, "Failed to create table bucket")
|
|
defer client.DeleteTableBucket(createBucketResp.ARN)
|
|
|
|
bucketARN := createBucketResp.ARN
|
|
|
|
// Create namespace
|
|
createNsResp, err := client.CreateNamespace(bucketARN, []string{namespaceName})
|
|
require.NoError(t, err, "Failed to create namespace")
|
|
assert.Equal(t, []string{namespaceName}, createNsResp.Namespace)
|
|
t.Logf("✓ Created namespace: %s", namespaceName)
|
|
|
|
// Get namespace
|
|
getNsResp, err := client.GetNamespace(bucketARN, []string{namespaceName})
|
|
require.NoError(t, err, "Failed to get namespace")
|
|
assert.Equal(t, []string{namespaceName}, getNsResp.Namespace)
|
|
t.Logf("✓ Got namespace: %v", getNsResp.Namespace)
|
|
|
|
// List namespaces
|
|
listNsResp, err := client.ListNamespaces(bucketARN, "", "", 0)
|
|
require.NoError(t, err, "Failed to list namespaces")
|
|
found := false
|
|
for _, ns := range listNsResp.Namespaces {
|
|
if len(ns.Namespace) > 0 && ns.Namespace[0] == namespaceName {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
assert.True(t, found, "Created namespace should appear in list")
|
|
t.Logf("✓ Listed namespaces, found %d namespaces", len(listNsResp.Namespaces))
|
|
|
|
// Delete namespace
|
|
err = client.DeleteNamespace(bucketARN, []string{namespaceName})
|
|
require.NoError(t, err, "Failed to delete namespace")
|
|
t.Logf("✓ Deleted namespace: %s", namespaceName)
|
|
|
|
// Verify namespace is deleted
|
|
_, err = client.GetNamespace(bucketARN, []string{namespaceName})
|
|
assert.Error(t, err, "Namespace should not exist after deletion")
|
|
}
|
|
|
|
func testTableLifecycle(t *testing.T, client *S3TablesClient) {
|
|
bucketName := "test-table-bucket-" + randomString(8)
|
|
namespaceName := "test_ns"
|
|
tableName := "test_table"
|
|
|
|
// Create table bucket
|
|
createBucketResp, err := client.CreateTableBucket(bucketName, nil)
|
|
require.NoError(t, err, "Failed to create table bucket")
|
|
defer client.DeleteTableBucket(createBucketResp.ARN)
|
|
|
|
bucketARN := createBucketResp.ARN
|
|
|
|
// Create namespace
|
|
_, err = client.CreateNamespace(bucketARN, []string{namespaceName})
|
|
require.NoError(t, err, "Failed to create namespace")
|
|
defer client.DeleteNamespace(bucketARN, []string{namespaceName})
|
|
|
|
// Create table with Iceberg schema
|
|
icebergMetadata := &s3tables.TableMetadata{
|
|
Iceberg: &s3tables.IcebergMetadata{
|
|
Schema: s3tables.IcebergSchema{
|
|
Fields: []s3tables.IcebergSchemaField{
|
|
{Name: "id", Type: "int", Required: true},
|
|
{Name: "name", Type: "string"},
|
|
{Name: "value", Type: "int"},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
createTableResp, err := client.CreateTable(bucketARN, []string{namespaceName}, tableName, "ICEBERG", icebergMetadata, nil)
|
|
require.NoError(t, err, "Failed to create table")
|
|
assert.NotEmpty(t, createTableResp.TableARN)
|
|
assert.NotEmpty(t, createTableResp.VersionToken)
|
|
t.Logf("✓ Created table: %s (version: %s)", createTableResp.TableARN, createTableResp.VersionToken)
|
|
|
|
// Get table
|
|
getTableResp, err := client.GetTable(bucketARN, []string{namespaceName}, tableName)
|
|
require.NoError(t, err, "Failed to get table")
|
|
assert.Equal(t, tableName, getTableResp.Name)
|
|
assert.Equal(t, "ICEBERG", getTableResp.Format)
|
|
t.Logf("✓ Got table: %s (format: %s)", getTableResp.Name, getTableResp.Format)
|
|
|
|
// List tables
|
|
listTablesResp, err := client.ListTables(bucketARN, []string{namespaceName}, "", "", 0)
|
|
require.NoError(t, err, "Failed to list tables")
|
|
found := false
|
|
for _, tbl := range listTablesResp.Tables {
|
|
if tbl.Name == tableName {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
assert.True(t, found, "Created table should appear in list")
|
|
t.Logf("✓ Listed tables, found %d tables", len(listTablesResp.Tables))
|
|
|
|
// Delete table
|
|
err = client.DeleteTable(bucketARN, []string{namespaceName}, tableName)
|
|
require.NoError(t, err, "Failed to delete table")
|
|
t.Logf("✓ Deleted table: %s", tableName)
|
|
|
|
// Verify table is deleted
|
|
_, err = client.GetTable(bucketARN, []string{namespaceName}, tableName)
|
|
assert.Error(t, err, "Table should not exist after deletion")
|
|
}
|
|
|
|
func testTableBucketPolicy(t *testing.T, client *S3TablesClient) {
|
|
bucketName := "test-policy-bucket-" + randomString(8)
|
|
|
|
// Create table bucket
|
|
createBucketResp, err := client.CreateTableBucket(bucketName, nil)
|
|
require.NoError(t, err, "Failed to create table bucket")
|
|
defer client.DeleteTableBucket(createBucketResp.ARN)
|
|
|
|
bucketARN := createBucketResp.ARN
|
|
|
|
// Put bucket policy
|
|
policy := `{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":"*","Action":"s3tables:*","Resource":"*"}]}`
|
|
err = client.PutTableBucketPolicy(bucketARN, policy)
|
|
require.NoError(t, err, "Failed to put table bucket policy")
|
|
t.Logf("✓ Put table bucket policy")
|
|
|
|
// Get bucket policy
|
|
getPolicyResp, err := client.GetTableBucketPolicy(bucketARN)
|
|
require.NoError(t, err, "Failed to get table bucket policy")
|
|
assert.Equal(t, policy, getPolicyResp.ResourcePolicy)
|
|
t.Logf("✓ Got table bucket policy")
|
|
|
|
// Delete bucket policy
|
|
err = client.DeleteTableBucketPolicy(bucketARN)
|
|
require.NoError(t, err, "Failed to delete table bucket policy")
|
|
t.Logf("✓ Deleted table bucket policy")
|
|
|
|
// Verify policy is deleted
|
|
_, err = client.GetTableBucketPolicy(bucketARN)
|
|
assert.Error(t, err, "Policy should not exist after deletion")
|
|
}
|
|
|
|
func testTablePolicy(t *testing.T, client *S3TablesClient) {
|
|
bucketName := "test-table-policy-bucket-" + randomString(8)
|
|
namespaceName := "test_ns"
|
|
tableName := "test_table"
|
|
|
|
// Create table bucket
|
|
createBucketResp, err := client.CreateTableBucket(bucketName, nil)
|
|
require.NoError(t, err, "Failed to create table bucket")
|
|
defer client.DeleteTableBucket(createBucketResp.ARN)
|
|
|
|
bucketARN := createBucketResp.ARN
|
|
|
|
// Create namespace
|
|
_, err = client.CreateNamespace(bucketARN, []string{namespaceName})
|
|
require.NoError(t, err, "Failed to create namespace")
|
|
defer client.DeleteNamespace(bucketARN, []string{namespaceName})
|
|
|
|
// Create table
|
|
icebergMetadata := &s3tables.TableMetadata{
|
|
Iceberg: &s3tables.IcebergMetadata{
|
|
Schema: s3tables.IcebergSchema{
|
|
Fields: []s3tables.IcebergSchemaField{
|
|
{Name: "id", Type: "int", Required: true},
|
|
{Name: "name", Type: "string"},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
createTableResp, err := client.CreateTable(bucketARN, []string{namespaceName}, tableName, "ICEBERG", icebergMetadata, nil)
|
|
require.NoError(t, err, "Failed to create table")
|
|
defer client.DeleteTable(bucketARN, []string{namespaceName}, tableName)
|
|
|
|
t.Logf("✓ Created table: %s", createTableResp.TableARN)
|
|
|
|
// Verify no policy exists initially
|
|
_, err = client.GetTablePolicy(bucketARN, []string{namespaceName}, tableName)
|
|
assert.Error(t, err, "Policy should not exist initially")
|
|
t.Logf("✓ Verified no policy exists initially")
|
|
|
|
// Put table policy
|
|
policy := `{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":"*","Action":"s3tables:*","Resource":"*"}]}`
|
|
err = client.PutTablePolicy(bucketARN, []string{namespaceName}, tableName, policy)
|
|
require.NoError(t, err, "Failed to put table policy")
|
|
t.Logf("✓ Put table policy")
|
|
|
|
// Get table policy
|
|
getPolicyResp, err := client.GetTablePolicy(bucketARN, []string{namespaceName}, tableName)
|
|
require.NoError(t, err, "Failed to get table policy")
|
|
assert.Equal(t, policy, getPolicyResp.ResourcePolicy)
|
|
t.Logf("✓ Got table policy")
|
|
|
|
// Delete table policy
|
|
err = client.DeleteTablePolicy(bucketARN, []string{namespaceName}, tableName)
|
|
require.NoError(t, err, "Failed to delete table policy")
|
|
t.Logf("✓ Deleted table policy")
|
|
|
|
// Verify policy is deleted
|
|
_, err = client.GetTablePolicy(bucketARN, []string{namespaceName}, tableName)
|
|
assert.Error(t, err, "Policy should not exist after deletion")
|
|
t.Logf("✓ Verified policy deletion")
|
|
}
|
|
|
|
func testTagging(t *testing.T, client *S3TablesClient) {
|
|
bucketName := "test-tag-bucket-" + randomString(8)
|
|
|
|
// Create table bucket with tags
|
|
initialTags := map[string]string{"Environment": "test"}
|
|
createBucketResp, err := client.CreateTableBucket(bucketName, initialTags)
|
|
require.NoError(t, err, "Failed to create table bucket")
|
|
defer client.DeleteTableBucket(createBucketResp.ARN)
|
|
|
|
bucketARN := createBucketResp.ARN
|
|
|
|
// List tags
|
|
listTagsResp, err := client.ListTagsForResource(bucketARN)
|
|
require.NoError(t, err, "Failed to list tags")
|
|
assert.Equal(t, "test", listTagsResp.Tags["Environment"])
|
|
t.Logf("✓ Listed tags: %v", listTagsResp.Tags)
|
|
|
|
// Add more tags
|
|
newTags := map[string]string{"Department": "Engineering"}
|
|
err = client.TagResource(bucketARN, newTags)
|
|
require.NoError(t, err, "Failed to tag resource")
|
|
t.Logf("✓ Added tags")
|
|
|
|
// Verify tags
|
|
listTagsResp, err = client.ListTagsForResource(bucketARN)
|
|
require.NoError(t, err, "Failed to list tags")
|
|
assert.Equal(t, "test", listTagsResp.Tags["Environment"])
|
|
assert.Equal(t, "Engineering", listTagsResp.Tags["Department"])
|
|
t.Logf("✓ Verified tags: %v", listTagsResp.Tags)
|
|
|
|
// Remove a tag
|
|
err = client.UntagResource(bucketARN, []string{"Environment"})
|
|
require.NoError(t, err, "Failed to untag resource")
|
|
t.Logf("✓ Removed tag")
|
|
|
|
// Verify tag is removed
|
|
listTagsResp, err = client.ListTagsForResource(bucketARN)
|
|
require.NoError(t, err, "Failed to list tags")
|
|
_, hasEnvironment := listTagsResp.Tags["Environment"]
|
|
assert.False(t, hasEnvironment, "Environment tag should be removed")
|
|
assert.Equal(t, "Engineering", listTagsResp.Tags["Department"])
|
|
t.Logf("✓ Verified tag removal")
|
|
}
|
|
|
|
// Helper functions
|
|
|
|
// findAvailablePort finds an available port by binding to port 0
|
|
func findAvailablePort() (int, error) {
|
|
listener, err := net.Listen("tcp", "127.0.0.1:0")
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer listener.Close()
|
|
|
|
addr := listener.Addr().(*net.TCPAddr)
|
|
return addr.Port, nil
|
|
}
|
|
|
|
// startMiniCluster starts a weed mini instance directly without exec
|
|
func startMiniCluster(t *testing.T) (*TestCluster, error) {
|
|
// Find available ports
|
|
masterPort, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find master port: %v", err)
|
|
}
|
|
masterGrpcPort, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find master grpc port: %v", err)
|
|
}
|
|
volumePort, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find volume port: %v", err)
|
|
}
|
|
volumeGrpcPort, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find volume grpc port: %v", err)
|
|
}
|
|
filerPort, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find filer port: %v", err)
|
|
}
|
|
filerGrpcPort, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find filer grpc port: %v", err)
|
|
}
|
|
s3Port, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find s3 port: %v", err)
|
|
}
|
|
s3GrpcPort, err := findAvailablePort()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to find s3 grpc port: %v", err)
|
|
}
|
|
// Create temporary directory for test data
|
|
testDir := t.TempDir()
|
|
|
|
// Ensure no configuration file from previous runs
|
|
configFile := filepath.Join(testDir, "mini.options")
|
|
_ = os.Remove(configFile)
|
|
|
|
// Create context with timeout
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
|
|
s3Endpoint := fmt.Sprintf("http://127.0.0.1:%d", s3Port)
|
|
cluster := &TestCluster{
|
|
t: t,
|
|
dataDir: testDir,
|
|
ctx: ctx,
|
|
cancel: cancel,
|
|
masterPort: masterPort,
|
|
volumePort: volumePort,
|
|
filerPort: filerPort,
|
|
s3Port: s3Port,
|
|
s3Endpoint: s3Endpoint,
|
|
}
|
|
|
|
// Create empty security.toml to disable JWT authentication in tests
|
|
securityToml := filepath.Join(testDir, "security.toml")
|
|
err = os.WriteFile(securityToml, []byte("# Empty security config for testing\n"), 0644)
|
|
if err != nil {
|
|
cancel()
|
|
return nil, fmt.Errorf("failed to create security.toml: %v", err)
|
|
}
|
|
|
|
// Start weed mini in a goroutine by calling the command directly
|
|
cluster.wg.Add(1)
|
|
go func() {
|
|
defer cluster.wg.Done()
|
|
|
|
// Protect global state mutation with a mutex
|
|
miniClusterMutex.Lock()
|
|
defer miniClusterMutex.Unlock()
|
|
|
|
// Save current directory and args
|
|
oldDir, _ := os.Getwd()
|
|
oldArgs := os.Args
|
|
defer func() {
|
|
os.Chdir(oldDir)
|
|
os.Args = oldArgs
|
|
}()
|
|
|
|
// Change to test directory so mini picks up security.toml
|
|
os.Chdir(testDir)
|
|
|
|
// Configure args for mini command
|
|
os.Args = []string{
|
|
"weed",
|
|
"-dir=" + testDir,
|
|
"-master.port=" + strconv.Itoa(masterPort),
|
|
"-master.port.grpc=" + strconv.Itoa(masterGrpcPort),
|
|
"-volume.port=" + strconv.Itoa(volumePort),
|
|
"-volume.port.grpc=" + strconv.Itoa(volumeGrpcPort),
|
|
"-filer.port=" + strconv.Itoa(filerPort),
|
|
"-filer.port.grpc=" + strconv.Itoa(filerGrpcPort),
|
|
"-s3.port=" + strconv.Itoa(s3Port),
|
|
"-s3.port.grpc=" + strconv.Itoa(s3GrpcPort),
|
|
"-webdav.port=0", // Disable WebDAV
|
|
"-admin.ui=false", // Disable admin UI
|
|
"-master.volumeSizeLimitMB=32", // Small volumes for testing
|
|
"-ip=127.0.0.1",
|
|
"-master.peers=none", // Faster startup
|
|
"-s3.iam.readOnly=false", // Enable IAM write operations for tests
|
|
}
|
|
|
|
// Suppress most logging during tests
|
|
glog.MaxSize = 1024 * 1024
|
|
|
|
// Find and run the mini command
|
|
for _, cmd := range command.Commands {
|
|
if cmd.Name() == "mini" && cmd.Run != nil {
|
|
cmd.Flag.Parse(os.Args[1:])
|
|
args := cmd.Flag.Args()
|
|
command.MiniClusterCtx = ctx
|
|
cmd.Run(cmd, args)
|
|
command.MiniClusterCtx = nil
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Wait for S3 service to be ready
|
|
err = waitForS3Ready(cluster.s3Endpoint, 30*time.Second)
|
|
if err != nil {
|
|
cancel()
|
|
return nil, fmt.Errorf("S3 service failed to start: %v", err)
|
|
}
|
|
|
|
cluster.isRunning = true
|
|
|
|
t.Logf("Test cluster started successfully at %s", cluster.s3Endpoint)
|
|
return cluster, nil
|
|
}
|
|
|
|
// Stop stops the test cluster
|
|
func (c *TestCluster) Stop() {
|
|
if c.cancel != nil {
|
|
c.cancel()
|
|
}
|
|
// Give services time to shut down gracefully
|
|
if c.isRunning {
|
|
time.Sleep(500 * time.Millisecond)
|
|
}
|
|
// Wait for the mini goroutine to finish
|
|
done := make(chan struct{})
|
|
go func() {
|
|
c.wg.Wait()
|
|
close(done)
|
|
}()
|
|
timer := time.NewTimer(2 * time.Second)
|
|
defer timer.Stop()
|
|
select {
|
|
case <-done:
|
|
// Goroutine finished
|
|
case <-timer.C:
|
|
// Timeout - goroutine doesn't respond to context cancel
|
|
// This may indicate the mini cluster didn't shut down cleanly
|
|
c.t.Log("Warning: Test cluster shutdown timed out after 2 seconds")
|
|
}
|
|
|
|
// Reset the global cmdMini flags to prevent state leakage to other tests
|
|
for _, cmd := range command.Commands {
|
|
if cmd.Name() == "mini" {
|
|
// Reset flags to defaults
|
|
cmd.Flag.VisitAll(func(f *flag.Flag) {
|
|
// Reset to default value
|
|
f.Value.Set(f.DefValue)
|
|
})
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
// waitForS3Ready waits for the S3 service to be ready
|
|
func waitForS3Ready(endpoint string, timeout time.Duration) error {
|
|
client := &http.Client{Timeout: 1 * time.Second}
|
|
deadline := time.Now().Add(timeout)
|
|
|
|
for time.Now().Before(deadline) {
|
|
resp, err := client.Get(endpoint)
|
|
if err == nil {
|
|
resp.Body.Close()
|
|
// Wait a bit more to ensure service is fully ready
|
|
time.Sleep(500 * time.Millisecond)
|
|
return nil
|
|
}
|
|
time.Sleep(200 * time.Millisecond)
|
|
}
|
|
|
|
return fmt.Errorf("timeout waiting for S3 service at %s", endpoint)
|
|
}
|
|
|
|
// randomString generates a random string for unique naming
|
|
func randomString(length int) string {
|
|
const charset = "abcdefghijklmnopqrstuvwxyz0123456789"
|
|
b := make([]byte, length)
|
|
if _, err := cryptorand.Read(b); err != nil {
|
|
panic("failed to generate random string: " + err.Error())
|
|
}
|
|
for i := range b {
|
|
b[i] = charset[int(b[i])%len(charset)]
|
|
}
|
|
return string(b)
|
|
}
|