103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
package autopilot
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import (
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"testing"
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"time"
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"github.com/hashicorp/raft"
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"github.com/stretchr/testify/require"
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)
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func TestPromotion(t *testing.T) {
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config := &Config{
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LastContactThreshold: 5 * time.Second,
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MaxTrailingLogs: 100,
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ServerStabilizationTime: 3 * time.Second,
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}
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cases := []struct {
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name string
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conf *Config
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health OperatorHealthReply
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servers []raft.Server
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promotions []raft.Server
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}{
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{
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name: "one stable voter, no promotions",
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conf: config,
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health: OperatorHealthReply{
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Servers: []ServerHealth{
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{
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ID: "a",
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Healthy: true,
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StableSince: time.Now().Add(-10 * time.Second),
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},
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},
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},
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servers: []raft.Server{
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{ID: "a", Suffrage: raft.Voter},
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},
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},
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{
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name: "one stable nonvoter, should be promoted",
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conf: config,
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health: OperatorHealthReply{
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Servers: []ServerHealth{
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{
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ID: "a",
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Healthy: true,
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StableSince: time.Now().Add(-10 * time.Second),
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},
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{
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ID: "b",
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Healthy: true,
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StableSince: time.Now().Add(-10 * time.Second),
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},
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},
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},
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servers: []raft.Server{
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{ID: "a", Suffrage: raft.Voter},
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{ID: "b", Suffrage: raft.Nonvoter},
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},
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promotions: []raft.Server{
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{ID: "b", Suffrage: raft.Nonvoter},
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},
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},
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{
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name: "unstable servers, neither should be promoted",
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conf: config,
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health: OperatorHealthReply{
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Servers: []ServerHealth{
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{
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ID: "a",
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Healthy: true,
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StableSince: time.Now().Add(-10 * time.Second),
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},
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{
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ID: "b",
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Healthy: false,
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StableSince: time.Now().Add(-10 * time.Second),
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},
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{
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ID: "c",
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Healthy: true,
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StableSince: time.Now().Add(-1 * time.Second),
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},
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},
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},
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servers: []raft.Server{
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{ID: "a", Suffrage: raft.Voter},
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{ID: "b", Suffrage: raft.Nonvoter},
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{ID: "c", Suffrage: raft.Nonvoter},
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},
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},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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promotions := PromoteStableServers(tc.conf, tc.health, tc.servers)
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require.Equal(t, tc.promotions, promotions)
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})
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}
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}
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