mirror of https://github.com/status-im/consul.git
143 lines
3.6 KiB
Go
143 lines
3.6 KiB
Go
package agent
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import (
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/serf/coordinate"
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)
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func TestCoordinate_Datacenters(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), "")
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defer a.Shutdown()
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req, _ := http.NewRequest("GET", "/v1/coordinate/datacenters", nil)
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resp := httptest.NewRecorder()
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obj, err := a.srv.CoordinateDatacenters(resp, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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maps := obj.([]structs.DatacenterMap)
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if len(maps) != 1 ||
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maps[0].Datacenter != "dc1" ||
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len(maps[0].Coordinates) != 1 ||
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maps[0].Coordinates[0].Node != a.Config.NodeName {
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t.Fatalf("bad: %v", maps)
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}
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}
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func TestCoordinate_Nodes(t *testing.T) {
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t.Parallel()
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a := NewTestAgent(t.Name(), "")
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defer a.Shutdown()
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// Make sure an empty list is non-nil.
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req, _ := http.NewRequest("GET", "/v1/coordinate/nodes?dc=dc1", nil)
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resp := httptest.NewRecorder()
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obj, err := a.srv.CoordinateNodes(resp, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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coordinates := obj.(structs.Coordinates)
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if coordinates == nil || len(coordinates) != 0 {
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t.Fatalf("bad: %v", coordinates)
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}
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// Register the nodes.
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nodes := []string{"foo", "bar"}
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for _, node := range nodes {
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req := structs.RegisterRequest{
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Datacenter: "dc1",
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Node: node,
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Address: "127.0.0.1",
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}
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var reply struct{}
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if err := a.RPC("Catalog.Register", &req, &reply); err != nil {
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t.Fatalf("err: %s", err)
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}
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}
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// Send some coordinates for a few nodes, waiting a little while for the
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// batch update to run.
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arg1 := structs.CoordinateUpdateRequest{
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Datacenter: "dc1",
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Node: "foo",
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Segment: "alpha",
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Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()),
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}
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var out struct{}
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if err := a.RPC("Coordinate.Update", &arg1, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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arg2 := structs.CoordinateUpdateRequest{
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Datacenter: "dc1",
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Node: "bar",
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Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()),
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}
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if err := a.RPC("Coordinate.Update", &arg2, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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time.Sleep(300 * time.Millisecond)
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// Query back and check the nodes are present and sorted correctly.
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req, _ = http.NewRequest("GET", "/v1/coordinate/nodes?dc=dc1", nil)
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resp = httptest.NewRecorder()
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obj, err = a.srv.CoordinateNodes(resp, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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coordinates = obj.(structs.Coordinates)
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if len(coordinates) != 2 ||
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coordinates[0].Node != "bar" ||
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coordinates[1].Node != "foo" {
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t.Fatalf("bad: %v", coordinates)
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}
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// Filter on a nonexistant node segment
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req, _ = http.NewRequest("GET", "/v1/coordinate/nodes?segment=nope", nil)
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resp = httptest.NewRecorder()
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obj, err = a.srv.CoordinateNodes(resp, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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coordinates = obj.(structs.Coordinates)
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if len(coordinates) != 0 {
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t.Fatalf("bad: %v", coordinates)
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}
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// Filter on a real node segment
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req, _ = http.NewRequest("GET", "/v1/coordinate/nodes?segment=alpha", nil)
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resp = httptest.NewRecorder()
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obj, err = a.srv.CoordinateNodes(resp, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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coordinates = obj.(structs.Coordinates)
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if len(coordinates) != 1 || coordinates[0].Node != "foo" {
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t.Fatalf("bad: %v", coordinates)
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}
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// Make sure the empty filter works
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req, _ = http.NewRequest("GET", "/v1/coordinate/nodes?segment=", nil)
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resp = httptest.NewRecorder()
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obj, err = a.srv.CoordinateNodes(resp, req)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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coordinates = obj.(structs.Coordinates)
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if len(coordinates) != 1 || coordinates[0].Node != "bar" {
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t.Fatalf("bad: %v", coordinates)
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}
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}
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