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SNOW-878073 Refactor retry policy to support HTTP 503 & 429 #919

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Oct 26, 2023
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0ce7e08
SNOW-878073 Refactor retry policy to support HTTP 503 & 429
sfc-gh-dheyman Oct 2, 2023
438adab
Code review suggestions applied
sfc-gh-dheyman Oct 3, 2023
d8b2fb5
Suggestions applied
sfc-gh-dheyman Oct 3, 2023
096df3b
Merge branch 'master' into SNOW-878073-retry-strategy
sfc-gh-dheyman Oct 3, 2023
4a09136
a
sfc-gh-dheyman Oct 11, 2023
da1a79e
Merge branch 'master' into SNOW-878073-retry-strategy
sfc-gh-dheyman Oct 11, 2023
e0219c6
Merge branch 'SNOW-878073-retry-strategy' of github.com:snowflakedb/g…
sfc-gh-dheyman Oct 11, 2023
0c16870
Merge branch 'master' of github.com:snowflakedb/gosnowflake into SNOW…
sfc-gh-dheyman Oct 18, 2023
e1068d9
Merge branch 'master' of github.com:snowflakedb/gosnowflake into SNOW…
sfc-gh-dheyman Oct 19, 2023
7590dbb
a
sfc-gh-dheyman Oct 20, 2023
dc20346
Merge branch 'master' of github.com:snowflakedb/gosnowflake into SNOW…
sfc-gh-dheyman Oct 20, 2023
b58d00c
a
sfc-gh-dheyman Oct 24, 2023
4576da7
Merge branch 'master' of github.com:snowflakedb/gosnowflake into SNOW…
sfc-gh-dheyman Oct 24, 2023
47eabb7
Tests added
sfc-gh-dheyman Oct 25, 2023
34a1a19
a
sfc-gh-dheyman Oct 25, 2023
4d0b39a
Fixed tests ocsp
sfc-gh-dheyman Oct 25, 2023
1770a63
a
sfc-gh-dheyman Oct 25, 2023
7389fc7
Fix DSN test
sfc-gh-dheyman Oct 25, 2023
1835cf9
Restored defer()
sfc-gh-dheyman Oct 25, 2023
c6a7558
Merge branch 'master' of github.com:snowflakedb/gosnowflake into SNOW…
sfc-gh-dheyman Oct 25, 2023
7d1bd74
Add headers to requests
sfc-gh-dheyman Oct 25, 2023
f20a035
Fix header name
sfc-gh-dheyman Oct 25, 2023
0159c0f
Applied CR suggestion
sfc-gh-dheyman Oct 26, 2023
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4 changes: 3 additions & 1 deletion auth.go
Original file line number Diff line number Diff line change
Expand Up @@ -226,7 +226,7 @@ func postAuth(

fullURL := sr.getFullURL(loginRequestPath, params)
logger.Infof("full URL: %v", fullURL)
resp, err := sr.FuncAuthPost(ctx, client, fullURL, headers, bodyCreator, timeout, true)
resp, err := sr.FuncAuthPost(ctx, client, fullURL, headers, bodyCreator, timeout)
if err != nil {
return nil, err
}
Expand Down Expand Up @@ -279,6 +279,8 @@ func getHeaders() map[string]string {
headers := make(map[string]string)
headers[httpHeaderContentType] = headerContentTypeApplicationJSON
headers[httpHeaderAccept] = headerAcceptTypeApplicationSnowflake
headers[httpClientAppID] = clientType
headers[httpClientAppVersion] = SnowflakeGoDriverVersion
headers[httpHeaderUserAgent] = userAgent
return headers
}
Expand Down
4 changes: 2 additions & 2 deletions authokta.go
Original file line number Diff line number Diff line change
Expand Up @@ -216,7 +216,7 @@ func postAuthSAML(
fullURL := sr.getFullURL(authenticatorRequestPath, params)

logger.Infof("fullURL: %v", fullURL)
resp, err := sr.FuncPost(ctx, sr, fullURL, headers, body, timeout, true, defaultTimeProvider, nil)
resp, err := sr.FuncPost(ctx, sr, fullURL, headers, body, timeout, defaultTimeProvider, nil)
if err != nil {
return nil, err
}
Expand Down Expand Up @@ -274,7 +274,7 @@ func postAuthOKTA(
if err != nil {
return nil, err
}
resp, err := sr.FuncPost(ctx, sr, targetURL, headers, body, timeout, false, defaultTimeProvider, nil)
resp, err := sr.FuncPost(ctx, sr, targetURL, headers, body, timeout, defaultTimeProvider, nil)
if err != nil {
return nil, err
}
Expand Down
5 changes: 2 additions & 3 deletions client.go
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ import (
// InternalClient is implemented by HTTPClient
type InternalClient interface {
Get(context.Context, *url.URL, map[string]string, time.Duration) (*http.Response, error)
Post(context.Context, *url.URL, map[string]string, []byte, time.Duration, bool, currentTimeProvider) (*http.Response, error)
Post(context.Context, *url.URL, map[string]string, []byte, time.Duration, currentTimeProvider) (*http.Response, error)
}

type httpClient struct {
Expand All @@ -33,7 +33,6 @@ func (cli *httpClient) Post(
headers map[string]string,
body []byte,
timeout time.Duration,
raise4xx bool,
currentTimeProvider currentTimeProvider) (*http.Response, error) {
return cli.sr.FuncPost(ctx, cli.sr, url, headers, body, timeout, raise4xx, currentTimeProvider, nil)
return cli.sr.FuncPost(ctx, cli.sr, url, headers, body, timeout, currentTimeProvider, nil)
}
2 changes: 1 addition & 1 deletion client_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ func TestInternalClient(t *testing.T) {
t.Fatalf("Expected exactly one GET request, got %v", transport.getRequests)
}

resp, err = internalClient.Post(context.Background(), &url.URL{}, make(map[string]string), make([]byte, 0), 0, false, defaultTimeProvider)
resp, err = internalClient.Post(context.Background(), &url.URL{}, make(map[string]string), make([]byte, 0), 0, defaultTimeProvider)
if err != nil || resp.StatusCode != 200 {
t.Fail()
}
Expand Down
2 changes: 2 additions & 0 deletions connection.go
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,8 @@ const (
httpHeaderHost = "Host"
httpHeaderValueOctetStream = "application/octet-stream"
httpHeaderContentEncoding = "Content-Encoding"
httpClientAppID = "CLIENT_APP_ID"
httpClientAppVersion = "CLIENT_APP_VERSION"
)

const (
Expand Down
4 changes: 2 additions & 2 deletions driver_ocsp_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -634,8 +634,8 @@ func TestOCSPFailClosedResponder404(t *testing.T) {
if !ok {
t.Fatalf("failed to extract error URL Error: %v", err)
}
if !strings.Contains(urlErr.Err.Error(), "HTTP Status: 404") {
t.Fatalf("the root cause is not timeout: %v", urlErr.Err)
if !strings.Contains(urlErr.Err.Error(), "404 Not Found") {
t.Fatalf("the root cause is not timeout: %v", urlErr.Err)
}
}

Expand Down
2 changes: 1 addition & 1 deletion dsn.go
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ import (
)

const (
defaultClientTimeout = 900 * time.Second // Timeout for network round trip + read out http response
defaultClientTimeout = 300 * time.Second // Timeout for network round trip + read out http response
defaultJWTClientTimeout = 10 * time.Second // Timeout for network round trip + read out http response but used for JWT auth
defaultLoginTimeout = 60 * time.Second // Timeout for retry for login EXCLUDING clientTimeout
defaultRequestTimeout = 0 * time.Second // Timeout for retry for request EXCLUDING clientTimeout
Expand Down
8 changes: 4 additions & 4 deletions dsn_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -1119,20 +1119,20 @@ func TestDSN(t *testing.T) {
User: "u",
Password: "p",
Account: "a.b.c",
ClientTimeout: 300 * time.Second,
ClientTimeout: 400 * time.Second,
JWTClientTimeout: 60 * time.Second,
},
dsn: "u:[email protected]:443?clientTimeout=300&jwtClientTimeout=60&ocspFailOpen=true&region=b.c&validateDefaultParameters=true",
dsn: "u:[email protected]:443?clientTimeout=400&jwtClientTimeout=60&ocspFailOpen=true&region=b.c&validateDefaultParameters=true",
},
{
cfg: &Config{
User: "u",
Password: "p",
Account: "a.b.c",
ClientTimeout: 300 * time.Second,
ClientTimeout: 400 * time.Second,
JWTExpireTimeout: 30 * time.Second,
},
dsn: "u:[email protected]:443?clientTimeout=300&jwtTimeout=30&ocspFailOpen=true&region=b.c&validateDefaultParameters=true",
dsn: "u:[email protected]:443?clientTimeout=400&jwtTimeout=30&ocspFailOpen=true&region=b.c&validateDefaultParameters=true",
},
{
cfg: &Config{
Expand Down
2 changes: 1 addition & 1 deletion heartbeat.go
Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ func (hc *heartbeat) heartbeatMain() error {

fullURL := hc.restful.getFullURL(heartBeatPath, params)
timeout := hc.restful.RequestTimeout
resp, err := hc.restful.FuncPost(context.Background(), hc.restful, fullURL, headers, nil, timeout, false, defaultTimeProvider, nil)
resp, err := hc.restful.FuncPost(context.Background(), hc.restful, fullURL, headers, nil, timeout, defaultTimeProvider, nil)
if err != nil {
return err
}
Expand Down
18 changes: 7 additions & 11 deletions restful.go
Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,8 @@ const (

type (
funcGetType func(context.Context, *snowflakeRestful, *url.URL, map[string]string, time.Duration) (*http.Response, error)
funcPostType func(context.Context, *snowflakeRestful, *url.URL, map[string]string, []byte, time.Duration, bool, currentTimeProvider, *Config) (*http.Response, error)
funcAuthPostType func(context.Context, *http.Client, *url.URL, map[string]string, bodyCreatorType, time.Duration, bool) (*http.Response, error)
funcPostType func(context.Context, *snowflakeRestful, *url.URL, map[string]string, []byte, time.Duration, currentTimeProvider, *Config) (*http.Response, error)
funcAuthPostType func(context.Context, *http.Client, *url.URL, map[string]string, bodyCreatorType, time.Duration) (*http.Response, error)
bodyCreatorType func() ([]byte, error)
)

Expand Down Expand Up @@ -162,14 +162,12 @@ func postRestful(
headers map[string]string,
body []byte,
timeout time.Duration,
raise4XX bool,
currentTimeProvider currentTimeProvider,
cfg *Config) (
*http.Response, error) {
return newRetryHTTP(ctx, sr.Client, http.NewRequest, fullURL, headers, timeout, currentTimeProvider, cfg).
doPost().
setBody(body).
doRaise4XX(raise4XX).
execute()
}

Expand All @@ -189,13 +187,11 @@ func postAuthRestful(
fullURL *url.URL,
headers map[string]string,
bodyCreator bodyCreatorType,
timeout time.Duration,
raise4XX bool) (
timeout time.Duration) (
*http.Response, error) {
return newRetryHTTP(ctx, client, http.NewRequest, fullURL, headers, timeout, defaultTimeProvider, nil).
doPost().
setBodyCreator(bodyCreator).
doRaise4XX(raise4XX).
execute()
}

Expand Down Expand Up @@ -243,7 +239,7 @@ func postRestfulQueryHelper(

var resp *http.Response
fullURL := sr.getFullURL(queryRequestPath, params)
resp, err = sr.FuncPost(ctx, sr, fullURL, headers, body, timeout, true, defaultTimeProvider, cfg)
resp, err = sr.FuncPost(ctx, sr, fullURL, headers, body, timeout, defaultTimeProvider, cfg)
if err != nil {
return nil, err
}
Expand Down Expand Up @@ -335,7 +331,7 @@ func closeSession(ctx context.Context, sr *snowflakeRestful, timeout time.Durati
token, _, _ := sr.TokenAccessor.GetTokens()
headers[headerAuthorizationKey] = fmt.Sprintf(headerSnowflakeToken, token)

resp, err := sr.FuncPost(ctx, sr, fullURL, headers, nil, 5*time.Second, false, defaultTimeProvider, nil)
resp, err := sr.FuncPost(ctx, sr, fullURL, headers, nil, 5*time.Second, defaultTimeProvider, nil)
if err != nil {
return err
}
Expand Down Expand Up @@ -394,7 +390,7 @@ func renewRestfulSession(ctx context.Context, sr *snowflakeRestful, timeout time
return err
}

resp, err := sr.FuncPost(ctx, sr, fullURL, headers, reqBody, timeout, false, defaultTimeProvider, nil)
resp, err := sr.FuncPost(ctx, sr, fullURL, headers, reqBody, timeout, defaultTimeProvider, nil)
if err != nil {
return err
}
Expand Down Expand Up @@ -466,7 +462,7 @@ func cancelQuery(ctx context.Context, sr *snowflakeRestful, requestID UUID, time
return err
}

resp, err := sr.FuncPost(ctx, sr, fullURL, headers, reqByte, timeout, false, defaultTimeProvider, nil)
resp, err := sr.FuncPost(ctx, sr, fullURL, headers, reqByte, timeout, defaultTimeProvider, nil)
if err != nil {
return err
}
Expand Down
28 changes: 14 additions & 14 deletions restful_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -15,63 +15,63 @@ import (
"time"
)

func postTestError(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
func postTestError(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusOK,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, errors.New("failed to run post method")
}

func postAuthTestError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration, _ bool) (*http.Response, error) {
func postAuthTestError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusOK,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, errors.New("failed to run post method")
}

func postTestSuccessButInvalidJSON(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
func postTestSuccessButInvalidJSON(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusOK,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, nil
}

func postTestAppBadGatewayError(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
func postTestAppBadGatewayError(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusBadGateway,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, nil
}

func postAuthTestAppBadGatewayError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration, _ bool) (*http.Response, error) {
func postAuthTestAppBadGatewayError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusBadGateway,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, nil
}

func postTestAppForbiddenError(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
func postTestAppForbiddenError(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusForbidden,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, nil
}

func postAuthTestAppForbiddenError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration, _ bool) (*http.Response, error) {
func postAuthTestAppForbiddenError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusForbidden,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, nil
}

func postAuthTestAppUnexpectedError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration, _ bool) (*http.Response, error) {
func postAuthTestAppUnexpectedError(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusInsufficientStorage,
Body: &fakeResponseBody{body: []byte{0x12, 0x34}},
}, nil
}

func postTestQueryNotExecuting(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
func postTestQueryNotExecuting(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
dd := &execResponseData{}
er := &execResponse{
Data: *dd,
Expand All @@ -90,7 +90,7 @@ func postTestQueryNotExecuting(_ context.Context, _ *snowflakeRestful, _ *url.UR
}, nil
}

func postTestRenew(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
func postTestRenew(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
dd := &execResponseData{}
er := &execResponse{
Data: *dd,
Expand All @@ -110,7 +110,7 @@ func postTestRenew(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[str
}, nil
}

func postAuthTestAfterRenew(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration, _ bool) (*http.Response, error) {
func postAuthTestAfterRenew(_ context.Context, _ *http.Client, _ *url.URL, _ map[string]string, _ bodyCreatorType, _ time.Duration) (*http.Response, error) {
dd := &execResponseData{}
er := &execResponse{
Data: *dd,
Expand All @@ -130,7 +130,7 @@ func postAuthTestAfterRenew(_ context.Context, _ *http.Client, _ *url.URL, _ map
}, nil
}

func postTestAfterRenew(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
func postTestAfterRenew(_ context.Context, _ *snowflakeRestful, _ *url.URL, _ map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
dd := &execResponseData{}
er := &execResponse{
Data: *dd,
Expand All @@ -157,7 +157,7 @@ func cancelTestRetry(ctx context.Context, sr *snowflakeRestful, requestID UUID,
if err != nil {
return err
}
resp, err := sr.FuncPost(ctx, sr, &u, getHeaders(), reqByte, timeout, false, defaultTimeProvider, nil)
resp, err := sr.FuncPost(ctx, sr, &u, getHeaders(), reqByte, timeout, defaultTimeProvider, nil)
if err != nil {
return err
}
Expand Down Expand Up @@ -462,7 +462,7 @@ func TestUnitRenewRestfulSession(t *testing.T) {
accessor := getSimpleTokenAccessor()
oldToken, oldMasterToken, oldSessionID := "oldtoken", "oldmaster", int64(100)
newToken, newMasterToken, newSessionID := "newtoken", "newmaster", int64(200)
postTestSuccessWithNewTokens := func(_ context.Context, _ *snowflakeRestful, _ *url.URL, headers map[string]string, _ []byte, _ time.Duration, _ bool, _ currentTimeProvider, _ *Config) (*http.Response, error) {
postTestSuccessWithNewTokens := func(_ context.Context, _ *snowflakeRestful, _ *url.URL, headers map[string]string, _ []byte, _ time.Duration, _ currentTimeProvider, _ *Config) (*http.Response, error) {
if headers[headerAuthorizationKey] != fmt.Sprintf(headerSnowflakeToken, oldMasterToken) {
t.Fatalf("authorization key doesn't match, %v vs %v", headers[headerAuthorizationKey], fmt.Sprintf(headerSnowflakeToken, oldMasterToken))
}
Expand Down
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