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reflect new replica states in unit tests (#2581) 

* reflect new replica states in unit tests
This commit is contained in:
Felix Kunde 2024-03-15 14:46:36 +01:00 committed by GitHub
parent 08089ed4b4
commit 3ebe4ffb99
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2 changed files with 12 additions and 12 deletions
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12
pkg/cluster/pod_test.go
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@ -42,28 +42,28 @@ func TestGetSwitchoverCandidate(t *testing.T) {
}{ }{
{ {
subtest: "choose sync_standby over replica", subtest: "choose sync_standby over replica",
clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "sync_standby", "state": "running", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 0}, {"name": "acid-test-cluster-2", "role": "replica", "state": "running", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 0}]}`, clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "sync_standby", "state": "streaming", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 0}, {"name": "acid-test-cluster-2", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 0}]}`,
syncModeEnabled: true, syncModeEnabled: true,
expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-1"}, expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-1"},
expectedError: nil, expectedError: nil,
}, },
{ {
subtest: "no running sync_standby available", subtest: "no running sync_standby available",
clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "running", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 0}]}`, clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 0}]}`,
syncModeEnabled: true, syncModeEnabled: true,
expectedCandidate: spec.NamespacedName{}, expectedCandidate: spec.NamespacedName{},
expectedError: fmt.Errorf("failed to get Patroni cluster members: unexpected end of JSON input"), expectedError: fmt.Errorf("failed to get Patroni cluster members: unexpected end of JSON input"),
}, },
{ {
subtest: "choose replica with lowest lag", subtest: "choose replica with lowest lag",
clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "running", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 5}, {"name": "acid-test-cluster-2", "role": "replica", "state": "running", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 2}]}`, clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 5}, {"name": "acid-test-cluster-2", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 2}]}`,
syncModeEnabled: false, syncModeEnabled: false,
expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-2"}, expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-2"},
expectedError: nil, expectedError: nil,
}, },
{ {
subtest: "choose first replica when lag is equal evrywhere", subtest: "choose first replica when lag is equal evrywhere",
clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "running", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 5}, {"name": "acid-test-cluster-2", "role": "replica", "state": "running", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 5}]}`, clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 5}, {"name": "acid-test-cluster-2", "role": "replica", "state": "running", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 5}]}`,
syncModeEnabled: false, syncModeEnabled: false,
expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-1"}, expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-1"},
expectedError: nil, expectedError: nil,
@ -76,8 +76,8 @@ func TestGetSwitchoverCandidate(t *testing.T) {
expectedError: fmt.Errorf("no switchover candidate found"), expectedError: fmt.Errorf("no switchover candidate found"),
}, },
{ {
subtest: "replicas with streaming state", subtest: "replicas with different status",
clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 5}, {"name": "acid-test-cluster-2", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 2}]}`, clusterJson: `{"members": [{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-1", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 5}, {"name": "acid-test-cluster-2", "role": "replica", "state": "in archive recovery", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 2}]}`,
syncModeEnabled: false, syncModeEnabled: false,
expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-2"}, expectedCandidate: spec.NamespacedName{Namespace: namespace, Name: "acid-test-cluster-2"},
expectedError: nil, expectedError: nil,

12
pkg/util/patroni/patroni_test.go
View File

@ -99,28 +99,28 @@ func TestGetClusterMembers(t *testing.T) {
}, { }, {
Name: "acid-test-cluster-1", Name: "acid-test-cluster-1",
Role: "sync_standby", Role: "sync_standby",
State: "running", State: "streaming",
Timeline: 1, Timeline: 1,
Lag: 0, Lag: 0,
}, { }, {
Name: "acid-test-cluster-2", Name: "acid-test-cluster-2",
Role: "replica", Role: "replica",
State: "running", State: "streaming",
Timeline: 1, Timeline: 1,
Lag: math.MaxUint64, Lag: math.MaxUint64,
}, { }, {
Name: "acid-test-cluster-3", Name: "acid-test-cluster-3",
Role: "replica", Role: "replica",
State: "running", State: "in archive recovery",
Timeline: 1, Timeline: 1,
Lag: 3000000000, Lag: 3000000000,
}} }}
json := `{"members": [ json := `{"members": [
{"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1}, {"name": "acid-test-cluster-0", "role": "leader", "state": "running", "api_url": "http://192.168.100.1:8008/patroni", "host": "192.168.100.1", "port": 5432, "timeline": 1},
{"name": "acid-test-cluster-1", "role": "sync_standby", "state": "running", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 0}, {"name": "acid-test-cluster-1", "role": "sync_standby", "state": "streaming", "api_url": "http://192.168.100.2:8008/patroni", "host": "192.168.100.2", "port": 5432, "timeline": 1, "lag": 0},
{"name": "acid-test-cluster-2", "role": "replica", "state": "running", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": "unknown"}, {"name": "acid-test-cluster-2", "role": "replica", "state": "streaming", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": "unknown"},
{"name": "acid-test-cluster-3", "role": "replica", "state": "running", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 3000000000} {"name": "acid-test-cluster-3", "role": "replica", "state": "in archive recovery", "api_url": "http://192.168.100.3:8008/patroni", "host": "192.168.100.3", "port": 5432, "timeline": 1, "lag": 3000000000}
]}` ]}`
r := io.NopCloser(bytes.NewReader([]byte(json))) r := io.NopCloser(bytes.NewReader([]byte(json)))