edge-connect-client/sdk/edgeconnect/client.go

132 lines
3.5 KiB
Go

// ABOUTME: Core EdgeXR Master Controller SDK client with HTTP transport and auth
// ABOUTME: Provides typed APIs for app, instance, and cloudlet management operations
package edgeconnect
import (
"net/http"
"strings"
"time"
)
// Client represents the EdgeXR Master Controller SDK client
type Client struct {
BaseURL string
HTTPClient *http.Client
AuthProvider AuthProvider
RetryOpts RetryOptions
Logger Logger
CreateAppInstanceTimeout time.Duration
}
// RetryOptions configures retry behavior for API calls
type RetryOptions struct {
MaxRetries int
InitialDelay time.Duration
MaxDelay time.Duration
Multiplier float64
RetryableHTTPStatusCodes []int
}
// Logger interface for optional logging
type Logger interface {
Printf(format string, v ...interface{})
}
// DefaultRetryOptions returns sensible default retry configuration
func DefaultRetryOptions() RetryOptions {
return RetryOptions{
MaxRetries: 3,
InitialDelay: 1 * time.Second,
MaxDelay: 30 * time.Second,
Multiplier: 2.0,
RetryableHTTPStatusCodes: []int{
http.StatusRequestTimeout,
http.StatusTooManyRequests,
http.StatusInternalServerError,
http.StatusBadGateway,
http.StatusServiceUnavailable,
http.StatusGatewayTimeout,
},
}
}
// Option represents a configuration option for the client
type Option func(*Client)
// WithHTTPClient sets a custom HTTP client
func WithHTTPClient(client *http.Client) Option {
return func(c *Client) {
c.HTTPClient = client
}
}
// WithAuthProvider sets the authentication provider
func WithAuthProvider(auth AuthProvider) Option {
return func(c *Client) {
c.AuthProvider = auth
}
}
// WithRetryOptions sets retry configuration
func WithRetryOptions(opts RetryOptions) Option {
return func(c *Client) {
c.RetryOpts = opts
}
}
// WithLogger sets a logger for debugging
func WithLogger(logger Logger) Option {
return func(c *Client) {
c.Logger = logger
}
}
// WithCreateAppInstanceTimeout sets the timeout for CreateAppInstance operations
func WithCreateAppInstanceTimeout(timeout time.Duration) Option {
return func(c *Client) {
c.CreateAppInstanceTimeout = timeout
}
}
// NewClient creates a new EdgeXR SDK client
func NewClient(baseURL string, options ...Option) *Client {
client := &Client{
BaseURL: strings.TrimRight(baseURL, "/"),
HTTPClient: &http.Client{Timeout: 30 * time.Second},
AuthProvider: NewNoAuthProvider(),
RetryOpts: DefaultRetryOptions(),
CreateAppInstanceTimeout: 10 * time.Minute,
}
for _, opt := range options {
opt(client)
}
return client
}
// NewClientWithCredentials creates a new EdgeXR SDK client with username/password authentication
// This matches the existing client pattern from client/client.go
func NewClientWithCredentials(baseURL, username, password string, options ...Option) *Client {
client := &Client{
BaseURL: strings.TrimRight(baseURL, "/"),
HTTPClient: &http.Client{Timeout: 30 * time.Second},
AuthProvider: NewUsernamePasswordProvider(baseURL, username, password, nil),
RetryOpts: DefaultRetryOptions(),
CreateAppInstanceTimeout: 10 * time.Minute,
}
for _, opt := range options {
opt(client)
}
return client
}
// logf logs a message if a logger is configured
func (c *Client) logf(format string, v ...interface{}) {
if c.Logger != nil {
c.Logger.Printf(format, v...)
}
}