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postgres-operator/pkg/apis/acid.zalan.do/v1/util_test.go

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package v1
import (
"bytes"
"encoding/json"
"errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"reflect"
"testing"
"time"
)
var parseTimeTests = []struct {
in string
out metav1.Time
err error
}{
{"16:08", mustParseTime("16:08"), nil},
{"11:00", mustParseTime("11:00"), nil},
{"23:59", mustParseTime("23:59"), nil},
{"26:09", metav1.Now(), errors.New(`parsing time "26:09": hour out of range`)},
{"23:69", metav1.Now(), errors.New(`parsing time "23:69": minute out of range`)},
}
var parseWeekdayTests = []struct {
in string
out time.Weekday
err error
}{
{"Wed", time.Wednesday, nil},
{"Sunday", time.Weekday(0), errors.New("incorrect weekday")},
{"", time.Weekday(0), errors.New("incorrect weekday")},
}
var clusterNames = []struct {
in string
inTeam string
clusterName string
err error
}{
{"acid-test", "acid", "test", nil},
{"test-my-name", "test", "my-name", nil},
{"my-team-another-test", "my-team", "another-test", nil},
{"------strange-team-cluster", "-----", "strange-team-cluster",
errors.New(`name must confirm to DNS-1035, regex used for validation is "^[a-z]([-a-z0-9]*[a-z0-9])?$"`)},
{"fooobar-fooobarfooobarfooobarfooobarfooobarfooobarfooobarfooobar", "fooobar", "",
errors.New("name cannot be longer than 58 characters")},
{"acid-test", "test", "", errors.New("name must match {TEAM}-{NAME} format")},
{"-test", "", "", errors.New("team name is empty")},
{"-test", "-", "", errors.New("name must match {TEAM}-{NAME} format")},
{"", "-", "", errors.New("name is too short")},
{"-", "-", "", errors.New("name is too short")},
}
var cloneClusterDescriptions = []struct {
in *CloneDescription
err error
}{
{&CloneDescription{"foo+bar", "", "NotEmpty"}, nil},
{&CloneDescription{"foo+bar", "", ""},
errors.New(`clone cluster name must confirm to DNS-1035, regex used for validation is "^[a-z]([-a-z0-9]*[a-z0-9])?$"`)},
{&CloneDescription{"foobar123456789012345678901234567890123456789012345678901234567890", "", ""},
errors.New("clone cluster name must be no longer than 63 characters")},
{&CloneDescription{"foobar", "", ""}, nil},
}
var maintenanceWindows = []struct {
in []byte
out MaintenanceWindow
err error
}{{[]byte(`"Tue:10:00-20:00"`),
MaintenanceWindow{
Everyday: false,
Weekday: time.Tuesday,
StartTime: mustParseTime("10:00"),
EndTime: mustParseTime("20:00"),
}, nil},
{[]byte(`"Mon:10:00-10:00"`),
MaintenanceWindow{
Everyday: false,
Weekday: time.Monday,
StartTime: mustParseTime("10:00"),
EndTime: mustParseTime("10:00"),
}, nil},
{[]byte(`"Sun:00:00-00:00"`),
MaintenanceWindow{
Everyday: false,
Weekday: time.Sunday,
StartTime: mustParseTime("00:00"),
EndTime: mustParseTime("00:00"),
}, nil},
{[]byte(`"01:00-10:00"`),
MaintenanceWindow{
Everyday: true,
Weekday: time.Sunday,
StartTime: mustParseTime("01:00"),
EndTime: mustParseTime("10:00"),
}, nil},
{[]byte(`"Mon:12:00-11:00"`), MaintenanceWindow{}, errors.New(`'From' time must be prior to the 'To' time`)},
{[]byte(`"Wed:33:00-00:00"`), MaintenanceWindow{}, errors.New(`could not parse start time: parsing time "33:00": hour out of range`)},
{[]byte(`"Wed:00:00-26:00"`), MaintenanceWindow{}, errors.New(`could not parse end time: parsing time "26:00": hour out of range`)},
{[]byte(`"Sunday:00:00-00:00"`), MaintenanceWindow{}, errors.New(`could not parse weekday: incorrect weekday`)},
{[]byte(`":00:00-10:00"`), MaintenanceWindow{}, errors.New(`could not parse weekday: incorrect weekday`)},
{[]byte(`"Mon:10:00-00:00"`), MaintenanceWindow{}, errors.New(`'From' time must be prior to the 'To' time`)},
{[]byte(`"Mon:00:00:00-10:00:00"`), MaintenanceWindow{}, errors.New(`incorrect maintenance window format`)},
{[]byte(`"Mon:00:00"`), MaintenanceWindow{}, errors.New("incorrect maintenance window format")},
{[]byte(`"Mon:00:00-00:00:00"`), MaintenanceWindow{}, errors.New("could not parse end time: incorrect time format")}}
var unmarshalCluster = []struct {
in []byte
out Postgresql
marshal []byte
err error
}{{
[]byte(`{
"kind": "Postgresql","apiVersion": "acid.zalan.do/v1",
"metadata": {"name": "acid-testcluster1"}, "spec": {"teamId": 100}}`),
Postgresql{
TypeMeta: metav1.TypeMeta{
Kind: "Postgresql",
APIVersion: "acid.zalan.do/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "acid-testcluster1",
},
Status: ClusterStatusInvalid,
Error: (&json.UnmarshalTypeError{
Value: "number",
Type: reflect.TypeOf(""),
Offset: 126,
Struct: "PostgresSpec",
Field: "teamId",
}).Error(),
},
[]byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"acid-testcluster1","creationTimestamp":null},"spec":{"postgresql":{"version":"","parameters":null},"volume":{"size":"","storageClass":""},"patroni":{"initdb":null,"pg_hba":null,"ttl":0,"loop_wait":0,"retry_timeout":0,"maximum_lag_on_failover":0},"resources":{"requests":{"cpu":"","memory":""},"limits":{"cpu":"","memory":""}},"teamId":"","allowedSourceRanges":null,"numberOfInstances":0,"users":null,"clone":{}},"status":"Invalid"}`), nil},
{[]byte(`{
"kind": "Postgresql",
"apiVersion": "acid.zalan.do/v1",
"metadata": {
"name": "acid-testcluster1"
},
"spec": {
"teamId": "ACID",
"volume": {
"size": "5Gi",
"storageClass": "SSD"
},
"numberOfInstances": 2,
"users": {
"zalando": [
"superuser",
"createdb"
]
},
"allowedSourceRanges": [
"127.0.0.1/32"
],
"postgresql": {
"version": "9.6",
"parameters": {
"shared_buffers": "32MB",
"max_connections": "10",
"log_statement": "all"
}
},
"resources": {
"requests": {
"cpu": "10m",
"memory": "50Mi"
},
"limits": {
"cpu": "300m",
"memory": "3000Mi"
}
},
"clone" : {
"cluster": "acid-batman"
},
"patroni": {
"initdb": {
"encoding": "UTF8",
"locale": "en_US.UTF-8",
"data-checksums": "true"
},
"pg_hba": [
"hostssl all all 0.0.0.0/0 md5",
"host all all 0.0.0.0/0 md5"
],
"ttl": 30,
"loop_wait": 10,
"retry_timeout": 10,
"maximum_lag_on_failover": 33554432
},
"maintenanceWindows": [
"Mon:01:00-06:00",
"Sat:00:00-04:00",
"05:00-05:15"
]
}
}`),
Postgresql{
TypeMeta: metav1.TypeMeta{
Kind: "Postgresql",
APIVersion: "acid.zalan.do/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "acid-testcluster1",
},
Spec: PostgresSpec{
PostgresqlParam: PostgresqlParam{
PgVersion: "9.6",
Parameters: map[string]string{
"shared_buffers": "32MB",
"max_connections": "10",
"log_statement": "all",
},
},
Volume: Volume{
Size: "5Gi",
StorageClass: "SSD",
},
Patroni: Patroni{
InitDB: map[string]string{
"encoding": "UTF8",
"locale": "en_US.UTF-8",
"data-checksums": "true",
},
PgHba: []string{"hostssl all all 0.0.0.0/0 md5", "host all all 0.0.0.0/0 md5"},
TTL: 30,
LoopWait: 10,
RetryTimeout: 10,
MaximumLagOnFailover: 33554432,
},
Resources: Resources{
ResourceRequest: ResourceDescription{CPU: "10m", Memory: "50Mi"},
ResourceLimits: ResourceDescription{CPU: "300m", Memory: "3000Mi"},
},
TeamID: "ACID",
AllowedSourceRanges: []string{"127.0.0.1/32"},
NumberOfInstances: 2,
Users: map[string]UserFlags{"zalando": {"superuser", "createdb"}},
MaintenanceWindows: []MaintenanceWindow{{
Everyday: false,
Weekday: time.Monday,
StartTime: mustParseTime("01:00"),
EndTime: mustParseTime("06:00"),
}, {
Everyday: false,
Weekday: time.Saturday,
StartTime: mustParseTime("00:00"),
EndTime: mustParseTime("04:00"),
},
{
Everyday: true,
Weekday: time.Sunday,
StartTime: mustParseTime("05:00"),
EndTime: mustParseTime("05:15"),
},
},
Clone: CloneDescription{
ClusterName: "acid-batman",
},
ClusterName: "testcluster1",
},
Error: "",
},
[]byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"acid-testcluster1","creationTimestamp":null},"spec":{"postgresql":{"version":"9.6","parameters":{"log_statement":"all","max_connections":"10","shared_buffers":"32MB"}},"volume":{"size":"5Gi","storageClass":"SSD"},"patroni":{"initdb":{"data-checksums":"true","encoding":"UTF8","locale":"en_US.UTF-8"},"pg_hba":["hostssl all all 0.0.0.0/0 md5","host all all 0.0.0.0/0 md5"],"ttl":30,"loop_wait":10,"retry_timeout":10,"maximum_lag_on_failover":33554432},"resources":{"requests":{"cpu":"10m","memory":"50Mi"},"limits":{"cpu":"300m","memory":"3000Mi"}},"teamId":"ACID","allowedSourceRanges":["127.0.0.1/32"],"numberOfInstances":2,"users":{"zalando":["superuser","createdb"]},"maintenanceWindows":["Mon:01:00-06:00","Sat:00:00-04:00","05:00-05:15"],"clone":{"cluster":"acid-batman"}}}`), nil},
{
[]byte(`{"kind": "Postgresql","apiVersion": "acid.zalan.do/v1","metadata": {"name": "teapot-testcluster1"}, "spec": {"teamId": "acid"}}`),
Postgresql{
TypeMeta: metav1.TypeMeta{
Kind: "Postgresql",
APIVersion: "acid.zalan.do/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "teapot-testcluster1",
},
Spec: PostgresSpec{TeamID: "acid"},
Status: ClusterStatusInvalid,
Error: errors.New("name must match {TEAM}-{NAME} format").Error(),
},
[]byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"teapot-testcluster1","creationTimestamp":null},"spec":{"postgresql":{"version":"","parameters":null},"volume":{"size":"","storageClass":""},"patroni":{"initdb":null,"pg_hba":null,"ttl":0,"loop_wait":0,"retry_timeout":0,"maximum_lag_on_failover":0},"resources":{"requests":{"cpu":"","memory":""},"limits":{"cpu":"","memory":""}},"teamId":"acid","allowedSourceRanges":null,"numberOfInstances":0,"users":null,"clone":{}},"status":"Invalid"}`), nil},
{
in: []byte(`{"kind": "Postgresql","apiVersion": "acid.zalan.do/v1","metadata": {"name": "acid-testcluster1"}, "spec": {"teamId": "acid", "clone": {"cluster": "team-batman"}}}`),
out: Postgresql{
TypeMeta: metav1.TypeMeta{
Kind: "Postgresql",
APIVersion: "acid.zalan.do/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "acid-testcluster1",
},
Spec: PostgresSpec{
TeamID: "acid",
Clone: CloneDescription{
ClusterName: "team-batman",
},
ClusterName: "testcluster1",
},
Error: "",
},
marshal: []byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"acid-testcluster1","creationTimestamp":null},"spec":{"postgresql":{"version":"","parameters":null},"volume":{"size":"","storageClass":""},"patroni":{"initdb":null,"pg_hba":null,"ttl":0,"loop_wait":0,"retry_timeout":0,"maximum_lag_on_failover":0},"resources":{"requests":{"cpu":"","memory":""},"limits":{"cpu":"","memory":""}},"teamId":"acid","allowedSourceRanges":null,"numberOfInstances":0,"users":null,"clone":{"cluster":"team-batman"}}}`), err: nil},
{[]byte(`{"kind": "Postgresql","apiVersion": "acid.zalan.do/v1"`),
Postgresql{},
[]byte{},
errors.New("unexpected end of JSON input")},
{[]byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"acid-testcluster","creationTimestamp":qaz},"spec":{"postgresql":{"version":"","parameters":null},"volume":{"size":"","storageClass":""},"patroni":{"initdb":null,"pg_hba":null,"ttl":0,"loop_wait":0,"retry_timeout":0,"maximum_lag_on_failover":0},"resources":{"requests":{"cpu":"","memory":""},"limits":{"cpu":"","memory":""}},"teamId":"acid","allowedSourceRanges":null,"numberOfInstances":0,"users":null,"clone":{}},"status":"Invalid"}`),
Postgresql{},
[]byte{},
errors.New("invalid character 'q' looking for beginning of value")}}
var postgresqlList = []struct {
in []byte
out PostgresqlList
err error
}{
{[]byte(`{"apiVersion":"v1","items":[{"apiVersion":"acid.zalan.do/v1","kind":"Postgresql","metadata":{"labels":{"team":"acid"},"name":"acid-testcluster42","namespace":"default","resourceVersion":"30446957","selfLink":"/apis/acid.zalan.do/v1/namespaces/default/postgresqls/acid-testcluster42","uid":"857cd208-33dc-11e7-b20a-0699041e4b03"},"spec":{"allowedSourceRanges":["185.85.220.0/22"],"numberOfInstances":1,"postgresql":{"version":"9.6"},"teamId":"acid","volume":{"size":"10Gi"}},"status":"Running"}],"kind":"List","metadata":{},"resourceVersion":"","selfLink":""}`),
PostgresqlList{
TypeMeta: metav1.TypeMeta{
Kind: "List",
APIVersion: "v1",
},
Items: []Postgresql{{
TypeMeta: metav1.TypeMeta{
Kind: "Postgresql",
APIVersion: "acid.zalan.do/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "acid-testcluster42",
Namespace: "default",
Labels: map[string]string{"team": "acid"},
ResourceVersion: "30446957",
SelfLink: "/apis/acid.zalan.do/v1/namespaces/default/postgresqls/acid-testcluster42",
UID: "857cd208-33dc-11e7-b20a-0699041e4b03",
},
Spec: PostgresSpec{
ClusterName: "testcluster42",
PostgresqlParam: PostgresqlParam{PgVersion: "9.6"},
Volume: Volume{Size: "10Gi"},
TeamID: "acid",
AllowedSourceRanges: []string{"185.85.220.0/22"},
NumberOfInstances: 1,
},
Status: ClusterStatusRunning,
Error: "",
}},
},
nil},
{[]byte(`{"apiVersion":"v1","items":[{"apiVersion":"acid.zalan.do/v1","kind":"Postgresql","metadata":{"labels":{"team":"acid"},"name":"acid-testcluster42","namespace"`),
PostgresqlList{},
errors.New("unexpected end of JSON input")}}
func mustParseTime(s string) metav1.Time {
v, err := time.Parse("15:04", s)
if err != nil {
panic(err)
}
return metav1.Time{Time: v.UTC()}
}
func TestParseTime(t *testing.T) {
for _, tt := range parseTimeTests {
aTime, err := parseTime(tt.in)
if err != nil {
if tt.err == nil || err.Error() != tt.err.Error() {
t.Errorf("ParseTime expected error: %v, got: %v", tt.err, err)
}
continue
} else if tt.err != nil {
t.Errorf("Expected error: %v", tt.err)
}
if aTime != tt.out {
t.Errorf("Expected time: %v, got: %v", tt.out, aTime)
}
}
}
func TestWeekdayTime(t *testing.T) {
for _, tt := range parseWeekdayTests {
aTime, err := parseWeekday(tt.in)
if err != nil {
if tt.err == nil || err.Error() != tt.err.Error() {
t.Errorf("ParseWeekday expected error: %v, got: %v", tt.err, err)
}
continue
} else if tt.err != nil {
t.Errorf("Expected error: %v", tt.err)
}
if aTime != tt.out {
t.Errorf("Expected weekday: %v, got: %v", tt.out, aTime)
}
}
}
func TestClusterName(t *testing.T) {
for _, tt := range clusterNames {
name, err := extractClusterName(tt.in, tt.inTeam)
if err != nil {
if tt.err == nil || err.Error() != tt.err.Error() {
t.Errorf("extractClusterName expected error: %v, got: %v", tt.err, err)
}
continue
} else if tt.err != nil {
t.Errorf("Expected error: %v", tt.err)
}
if name != tt.clusterName {
t.Errorf("Expected cluserName: %q, got: %q", tt.clusterName, name)
}
}
}
func TestCloneClusterDescription(t *testing.T) {
for _, tt := range cloneClusterDescriptions {
if err := validateCloneClusterDescription(tt.in); err != nil {
if tt.err == nil || err.Error() != tt.err.Error() {
t.Errorf("testCloneClusterDescription expected error: %v, got: %v", tt.err, err)
}
} else if tt.err != nil {
t.Errorf("Expected error: %v", tt.err)
}
}
}
func TestUnmarshalMaintenanceWindow(t *testing.T) {
for _, tt := range maintenanceWindows {
var m MaintenanceWindow
err := m.UnmarshalJSON(tt.in)
if err != nil {
if tt.err == nil || err.Error() != tt.err.Error() {
t.Errorf("MaintenanceWindow unmarshal expected error: %v, got %v", tt.err, err)
}
continue
} else if tt.err != nil {
t.Errorf("Expected error: %v", tt.err)
}
if !reflect.DeepEqual(m, tt.out) {
t.Errorf("Expected maintenance window: %#v, got: %#v", tt.out, m)
}
}
}
func TestMarshalMaintenanceWindow(t *testing.T) {
for _, tt := range maintenanceWindows {
if tt.err != nil {
continue
}
s, err := tt.out.MarshalJSON()
if err != nil {
t.Errorf("Marshal Error: %v", err)
}
if !bytes.Equal(s, tt.in) {
t.Errorf("Expected Marshal: %q, got: %q", string(tt.in), string(s))
}
}
}
func TestPostgresUnmarshal(t *testing.T) {
for _, tt := range unmarshalCluster {
var cluster Postgresql
err := cluster.UnmarshalJSON(tt.in)
if err != nil {
if tt.err == nil || err.Error() != tt.err.Error() {
t.Errorf("Unmarshal expected error: %v, got: %v", tt.err, err)
}
continue
} else if tt.err != nil {
t.Errorf("Expected error: %v", tt.err)
}
if !reflect.DeepEqual(cluster, tt.out) {
t.Errorf("Expected Postgresql: %#v, got %#v", tt.out, cluster)
}
}
}
func TestMarshal(t *testing.T) {
for _, tt := range unmarshalCluster {
if tt.err != nil {
continue
}
m, err := json.Marshal(tt.out)
if err != nil {
t.Errorf("Marshal error: %v", err)
}
if !bytes.Equal(m, tt.marshal) {
t.Errorf("Marshal Postgresql expected: %q, got: %q", string(tt.marshal), string(m))
}
}
}
func TestPostgresMeta(t *testing.T) {
for _, tt := range unmarshalCluster {
if a := tt.out.GetObjectKind(); a != &tt.out.TypeMeta {
t.Errorf("GetObjectKindMeta expected: %v, got: %v", tt.out.TypeMeta, a)
}
if a := tt.out.GetObjectMeta(); reflect.DeepEqual(a, tt.out.ObjectMeta) {
t.Errorf("GetObjectMeta expected: %v, got: %v", tt.out.ObjectMeta, a)
}
}
}
func TestPostgresListMeta(t *testing.T) {
for _, tt := range postgresqlList {
if tt.err != nil {
continue
}
if a := tt.out.GetObjectKind(); a != &tt.out.TypeMeta {
t.Errorf("GetObjectKindMeta expected: %v, got: %v", tt.out.TypeMeta, a)
}
if a := tt.out.GetListMeta(); reflect.DeepEqual(a, tt.out.ListMeta) {
t.Errorf("GetObjectMeta expected: %v, got: %v", tt.out.ListMeta, a)
}
return
}
}
func TestPostgresqlClone(t *testing.T) {
for _, tt := range unmarshalCluster {
cp := &tt.out
cp.Error = ""
clone := cp.Clone()
if !reflect.DeepEqual(clone, cp) {
t.Errorf("TestPostgresqlClone expected: \n%#v\n, got \n%#v", cp, clone)
}
}
}
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