ston1th/keyctl
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ston1th 2023-03-15 01:51:45 +01:00
commit 3d54199faa
27 changed files with 908 additions and 243 deletions
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126
pkg/api/client/client.go
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@ -5,7 +5,6 @@ package client
import (
"bytes"
"context"
"crypto/tls"
"errors"
"fmt"
"io"
@ -13,19 +12,15 @@ import (
"net/http"
"net/http/httputil"
"os"
"strconv"
"strings"
"time"
)
type Client struct {
endpoint string
username string
password string
auth bool
httpClient *http.Client
debugWriter io.Writer
insecure bool
//insecure bool
}
var (
@ -52,36 +47,21 @@ func WithHTTPClient(httpClient *http.Client) ClientOption {
}
}
func WithInsecureClient(insecure bool) ClientOption {
return func(client *Client) {
client.insecure = insecure
}
}
func WithCredentials(username, password string) ClientOption {
return func(client *Client) {
client.username = username
client.password = password
client.auth = true
}
}
//func WithInsecureClient(insecure bool) ClientOption {
// return func(client *Client) {
// client.insecure = insecure
// }
//}
var (
ErrMissingEndpointEnv = errors.New("missing environment variable HAPROXY_LB_ENDPOINT")
ErrMissingUserEnv = errors.New("missing environment variable HAPROXY_LB_USER")
ErrMissingPasswordEnv = errors.New("missing environment variable HAPROXY_LB_PASSWORD")
ErrMissingEndpointEnv = errors.New("missing environment variable KEYCTL_ENDPOINT")
ErrMissingEndpoint = errors.New("missing Endpoint in config")
ErrMissingUser = errors.New("missing User in config")
ErrMissingPassword = errors.New("missing Password in config")
)
type Config struct {
Endpoint string `json:"endpoint"`
NoAuth bool `json:"no_auth"`
User string `json:"user"`
Password string `json:"password"`
Insecure bool `json:"insecure"`
//Insecure bool `json:"insecure"`
}
func ClientOptionsFromConfig(cfg Config) (options []ClientOption, err error) {
@ -91,53 +71,23 @@ func ClientOptionsFromConfig(cfg Config) (options []ClientOption, err error) {
}
options = []ClientOption{
WithEndpoint(cfg.Endpoint),
WithInsecureClient(cfg.Insecure),
//WithInsecureClient(cfg.Insecure),
}
if cfg.NoAuth {
return
}
if cfg.User == "" {
err = ErrMissingUser
return
}
if cfg.Password == "" {
err = ErrMissingPassword
return
}
options = append(options, WithCredentials(cfg.User, cfg.Password))
return
}
func ClientOptionsFromEnv() (options []ClientOption, err error) {
endpoint := os.Getenv("HAPROXY_LB_ENDPOINT")
endpoint := os.Getenv("KEYCTL_ENDPOINT")
if endpoint == "" {
err = ErrMissingEndpointEnv
return
}
insecure, _ := strconv.ParseBool(os.Getenv("HAPROXY_LB_INSECURE"))
//insecure, _ := strconv.ParseBool(os.Getenv("HAPROXY_LB_INSECURE"))
options = []ClientOption{
WithEndpoint(endpoint),
WithInsecureClient(insecure),
//WithInsecureClient(insecure),
}
noAuth, _ := strconv.ParseBool(os.Getenv("HAPROXY_LB_NO_AUTH"))
if noAuth {
return
}
user := os.Getenv("HAPROXY_LB_USER")
if user == "" {
err = ErrMissingUserEnv
return
}
pass := os.Getenv("HAPROXY_LB_PASSWORD")
if pass == "" {
err = ErrMissingPasswordEnv
return
}
options = append(options, WithCredentials(user, pass))
return
}
@ -149,20 +99,25 @@ func NewClient(options ...ClientOption) *Client {
}
if client.httpClient == nil {
client.httpClient = &http.Client{Transport: &http.Transport{
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).DialContext,
ForceAttemptHTTP2: true,
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
TLSClientConfig: &tls.Config{
InsecureSkipVerify: client.insecure,
client.httpClient = &http.Client{
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
},
}}
Transport: &http.Transport{
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).DialContext,
//ForceAttemptHTTP2: true,
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
//TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
//TLSClientConfig: &tls.Config{
// InsecureSkipVerify: client.insecure,
//},
},
}
}
return client
}
@ -173,14 +128,11 @@ func (c *Client) NewRequest(ctx context.Context, method, path string, body io.Re
if err != nil {
return nil, err
}
if c.auth {
req.SetBasicAuth(c.username, c.password)
}
req = req.WithContext(ctx)
return req, nil
}
func (c *Client) Do(r *http.Request, v interface{}) (resp *http.Response, err error) {
func (c *Client) Do(r *http.Request, v any) (resp *http.Response, err error) {
if c.debugWriter != nil {
dumpReq, err := httputil.DumpRequestOut(r, true)
if err != nil {
@ -211,3 +163,19 @@ func (c *Client) Do(r *http.Request, v interface{}) (resp *http.Response, err er
err = decodeResp(resp, v)
return
}
func (c *Client) FollowRedirect(r *http.Request, v any, delay time.Duration) (resp *http.Response, err error) {
rr := r
for {
resp, err = c.Do(rr, v)
if !errors.Is(ErrRedirect, err) {
return
}
rdr := err.(Redirect)
rr, err = c.NewRequest(r.Context(), "GET", rdr.Location, nil)
if err != nil {
return
}
time.Sleep(delay)
}
}