95 lines
3 KiB
Go
95 lines
3 KiB
Go
package integration
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import (
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"net/http"
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"os"
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"time"
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"github.com/go-check/check"
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"github.com/gorilla/websocket"
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"github.com/traefik/traefik/v2/integration/try"
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checker "github.com/vdemeester/shakers"
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)
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type RetrySuite struct {
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BaseSuite
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whoamiIP string
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}
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func (s *RetrySuite) SetUpSuite(c *check.C) {
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s.createComposeProject(c, "retry")
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s.composeUp(c)
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s.whoamiIP = s.getComposeServiceIP(c, "whoami")
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}
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func (s *RetrySuite) TestRetry(c *check.C) {
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file := s.adaptFile(c, "fixtures/retry/simple.toml", struct{ WhoamiIP string }{s.whoamiIP})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer s.killCmd(cmd)
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err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("PathPrefix(`/`)"))
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c.Assert(err, checker.IsNil)
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start := time.Now()
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// This simulates a DialTimeout when connecting to the backend server.
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response, err := http.Get("http://127.0.0.1:8000/")
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duration, allowed := time.Since(start), time.Millisecond*250
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c.Assert(err, checker.IsNil)
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c.Assert(response.StatusCode, checker.Equals, http.StatusOK)
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c.Assert(int64(duration), checker.LessThan, int64(allowed))
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}
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func (s *RetrySuite) TestRetryBackoff(c *check.C) {
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file := s.adaptFile(c, "fixtures/retry/backoff.toml", struct{ WhoamiIP string }{s.whoamiIP})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer s.killCmd(cmd)
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err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("PathPrefix(`/`)"))
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c.Assert(err, checker.IsNil)
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start := time.Now()
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// This simulates a DialTimeout when connecting to the backend server.
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response, err := http.Get("http://127.0.0.1:8000/")
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duration := time.Since(start)
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// test case delays: 500 + 700 + 1000ms with randomization. It should be safely > 1500ms
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minAllowed := time.Millisecond * 1400
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c.Assert(err, checker.IsNil)
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c.Assert(response.StatusCode, checker.Equals, http.StatusOK)
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c.Assert(int64(duration), checker.GreaterThan, int64(minAllowed))
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}
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func (s *RetrySuite) TestRetryWebsocket(c *check.C) {
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file := s.adaptFile(c, "fixtures/retry/simple.toml", struct{ WhoamiIP string }{s.whoamiIP})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer s.killCmd(cmd)
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err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("PathPrefix(`/`)"))
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c.Assert(err, checker.IsNil)
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// This simulates a DialTimeout when connecting to the backend server.
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_, response, err := websocket.DefaultDialer.Dial("ws://127.0.0.1:8000/echo", nil)
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c.Assert(err, checker.IsNil)
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c.Assert(response.StatusCode, checker.Equals, http.StatusSwitchingProtocols)
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_, response, err = websocket.DefaultDialer.Dial("ws://127.0.0.1:8000/echo", nil)
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c.Assert(err, checker.IsNil)
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c.Assert(response.StatusCode, checker.Equals, http.StatusSwitchingProtocols)
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}
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