+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+
package health
import (
"encoding/json"
"net/http"
"net/http/httptest"
+ "strings"
+ "time"
"git.curoverse.com/arvados.git/sdk/go/arvados"
"git.curoverse.com/arvados.git/sdk/go/arvadostest"
}
func (s *AggregatorSuite) SetUpTest(c *check.C) {
- s.handler = &Aggregator{Config: &arvados.Config{
- Clusters: map[string]arvados.Cluster{
- "zzzzz": {
- ManagementToken: arvadostest.ManagementToken,
- SystemNodes: map[string]arvados.SystemNode{},
- },
- },
+ s.handler = &Aggregator{Cluster: &arvados.Cluster{
+ ManagementToken: arvadostest.ManagementToken,
}}
s.req = httptest.NewRequest("GET", "/_health/all", nil)
s.req.Header.Set("Authorization", "Bearer "+arvadostest.ManagementToken)
c.Check(s.resp.Code, check.Equals, http.StatusUnauthorized)
}
-func (s *AggregatorSuite) TestEmptyConfig(c *check.C) {
+func (s *AggregatorSuite) TestNoServicesConfigured(c *check.C) {
+ s.handler.ServeHTTP(s.resp, s.req)
+ s.checkUnhealthy(c)
+}
+
+func (s *AggregatorSuite) stubServer(handler http.Handler) (*httptest.Server, string) {
+ srv := httptest.NewServer(handler)
+ var port string
+ if parts := strings.Split(srv.URL, ":"); len(parts) < 3 {
+ panic(srv.URL)
+ } else {
+ port = parts[len(parts)-1]
+ }
+ return srv, ":" + port
+}
+
+func (s *AggregatorSuite) TestUnhealthy(c *check.C) {
+ srv, listen := s.stubServer(&unhealthyHandler{})
+ defer srv.Close()
+ arvadostest.SetServiceURL(&s.handler.Cluster.Services.Keepstore, "http://localhost"+listen+"/")
+ s.handler.ServeHTTP(s.resp, s.req)
+ s.checkUnhealthy(c)
+}
+
+func (s *AggregatorSuite) TestHealthy(c *check.C) {
+ srv, listen := s.stubServer(&healthyHandler{})
+ defer srv.Close()
+ s.setAllServiceURLs(listen)
+ s.handler.ServeHTTP(s.resp, s.req)
+ resp := s.checkOK(c)
+ svc := "keepstore+http://localhost" + listen + "/_health/ping"
+ c.Logf("%#v", resp)
+ ep := resp.Checks[svc]
+ c.Check(ep.Health, check.Equals, "OK")
+ c.Check(ep.HTTPStatusCode, check.Equals, 200)
+}
+
+func (s *AggregatorSuite) TestHealthyAndUnhealthy(c *check.C) {
+ srvH, listenH := s.stubServer(&healthyHandler{})
+ defer srvH.Close()
+ srvU, listenU := s.stubServer(&unhealthyHandler{})
+ defer srvU.Close()
+ s.setAllServiceURLs(listenH)
+ arvadostest.SetServiceURL(&s.handler.Cluster.Services.Keepstore, "http://localhost"+listenH+"/", "http://127.0.0.1"+listenU+"/")
s.handler.ServeHTTP(s.resp, s.req)
- s.checkOK(c)
+ resp := s.checkUnhealthy(c)
+ ep := resp.Checks["keepstore+http://localhost"+listenH+"/_health/ping"]
+ c.Check(ep.Health, check.Equals, "OK")
+ c.Check(ep.HTTPStatusCode, check.Equals, 200)
+ ep = resp.Checks["keepstore+http://127.0.0.1"+listenU+"/_health/ping"]
+ c.Check(ep.Health, check.Equals, "ERROR")
+ c.Check(ep.HTTPStatusCode, check.Equals, 200)
+ c.Logf("%#v", ep)
+}
+
+func (s *AggregatorSuite) TestPingTimeout(c *check.C) {
+ s.handler.timeout = arvados.Duration(100 * time.Millisecond)
+ srv, listen := s.stubServer(&slowHandler{})
+ defer srv.Close()
+ arvadostest.SetServiceURL(&s.handler.Cluster.Services.Keepstore, "http://localhost"+listen+"/")
+ s.handler.ServeHTTP(s.resp, s.req)
+ resp := s.checkUnhealthy(c)
+ ep := resp.Checks["keepstore+http://localhost"+listen+"/_health/ping"]
+ c.Check(ep.Health, check.Equals, "ERROR")
+ c.Check(ep.HTTPStatusCode, check.Equals, 0)
+ rt, err := ep.ResponseTime.Float64()
+ c.Check(err, check.IsNil)
+ c.Check(rt > 0.005, check.Equals, true)
}
func (s *AggregatorSuite) checkError(c *check.C) {
c.Check(s.resp.Code, check.Not(check.Equals), http.StatusOK)
- var body map[string]interface{}
- err := json.NewDecoder(s.resp.Body).Decode(&body)
+ var resp ClusterHealthResponse
+ err := json.Unmarshal(s.resp.Body.Bytes(), &resp)
c.Check(err, check.IsNil)
- c.Check(body["health"], check.Not(check.Equals), "OK")
+ c.Check(resp.Health, check.Not(check.Equals), "OK")
}
-func (s *AggregatorSuite) checkOK(c *check.C) {
+func (s *AggregatorSuite) checkUnhealthy(c *check.C) ClusterHealthResponse {
+ return s.checkResult(c, "ERROR")
+}
+
+func (s *AggregatorSuite) checkOK(c *check.C) ClusterHealthResponse {
+ return s.checkResult(c, "OK")
+}
+
+func (s *AggregatorSuite) checkResult(c *check.C, health string) ClusterHealthResponse {
c.Check(s.resp.Code, check.Equals, http.StatusOK)
- var body map[string]interface{}
- err := json.NewDecoder(s.resp.Body).Decode(&body)
+ var resp ClusterHealthResponse
+ c.Log(s.resp.Body.String())
+ err := json.Unmarshal(s.resp.Body.Bytes(), &resp)
c.Check(err, check.IsNil)
- c.Check(body["health"], check.Equals, "OK")
+ c.Check(resp.Health, check.Equals, health)
+ return resp
+}
+
+func (s *AggregatorSuite) setAllServiceURLs(listen string) {
+ svcs := &s.handler.Cluster.Services
+ for _, svc := range []*arvados.Service{
+ &svcs.Controller,
+ &svcs.DispatchCloud,
+ &svcs.Keepbalance,
+ &svcs.Keepproxy,
+ &svcs.Keepstore,
+ &svcs.Health,
+ &svcs.Nodemanager,
+ &svcs.RailsAPI,
+ &svcs.WebDAV,
+ &svcs.Websocket,
+ &svcs.Workbench1,
+ &svcs.Workbench2,
+ } {
+ arvadostest.SetServiceURL(svc, "http://localhost"+listen+"/")
+ }
+}
+
+type unhealthyHandler struct{}
+
+func (*unhealthyHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
+ if req.URL.Path == "/_health/ping" {
+ resp.Write([]byte(`{"health":"ERROR","error":"the bends"}`))
+ } else {
+ http.Error(resp, "not found", http.StatusNotFound)
+ }
+}
+
+type healthyHandler struct{}
+
+func (*healthyHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
+ if req.URL.Path == "/_health/ping" {
+ resp.Write([]byte(`{"health":"OK"}`))
+ } else {
+ http.Error(resp, "not found", http.StatusNotFound)
+ }
+}
+
+type slowHandler struct{}
+
+func (*slowHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
+ if req.URL.Path == "/_health/ping" {
+ time.Sleep(3 * time.Second)
+ resp.Write([]byte(`{"health":"OK"}`))
+ } else {
+ http.Error(resp, "not found", http.StatusNotFound)
+ }
}