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refactor: Replace lib/pq with pgx in a PostgreSQL scaler (kedacore#4705)
Signed-off-by: Alexander Narsudinov <a.narsudinov@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,219 @@ | ||
| //go:build e2e | ||
| // +build e2e | ||
|
|
||
| package helper | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
| ) | ||
|
|
||
| const ( | ||
| PostgresqlImage = "postgres:10.5" | ||
| ) | ||
|
|
||
| const ( | ||
| DeploymentTemplate = `apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| labels: | ||
| app: postgresql-update-worker | ||
| name: {{.DeploymentName}} | ||
| namespace: {{.TestNamespace}} | ||
| spec: | ||
| replicas: 0 | ||
| selector: | ||
| matchLabels: | ||
| app: postgresql-update-worker | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: postgresql-update-worker | ||
| spec: | ||
| containers: | ||
| - image: ghcr.io/kedacore/tests-postgresql | ||
| imagePullPolicy: Always | ||
| name: postgresql-processor-test | ||
| command: | ||
| - /app | ||
| - update | ||
| env: | ||
| - name: TASK_INSTANCES_COUNT | ||
| value: "6000" | ||
| - name: CONNECTION_STRING | ||
| valueFrom: | ||
| secretKeyRef: | ||
| name: {{.SecretName}} | ||
| key: postgresql_conn_str | ||
| ` | ||
| ScaledObjectTemplate = `apiVersion: keda.sh/v1alpha1 | ||
| kind: ScaledObject | ||
| metadata: | ||
| name: {{.ScaledObjectName}} | ||
| namespace: {{.TestNamespace}} | ||
| spec: | ||
| scaleTargetRef: | ||
| name: {{.DeploymentName}} | ||
| pollingInterval: 5 | ||
| cooldownPeriod: 10 | ||
| minReplicaCount: {{.MinReplicaCount}} | ||
| maxReplicaCount: {{.MaxReplicaCount}} | ||
| triggers: | ||
| - type: postgresql | ||
| metadata: | ||
| targetQueryValue: "4" | ||
| activationTargetQueryValue: "5" | ||
| query: "SELECT CEIL(COUNT(*) / 5) FROM task_instance WHERE state='running' OR state='queued'" | ||
| authenticationRef: | ||
| name: {{.TriggerAuthenticationName}} | ||
| ` | ||
| LowLevelRecordsJobTemplate = `apiVersion: batch/v1 | ||
| kind: Job | ||
| metadata: | ||
| labels: | ||
| app: postgresql-insert-low-level-job | ||
| name: postgresql-insert-low-level-job | ||
| namespace: {{.TestNamespace}} | ||
| spec: | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: postgresql-insert-low-level-job | ||
| spec: | ||
| containers: | ||
| - image: ghcr.io/kedacore/tests-postgresql | ||
| imagePullPolicy: Always | ||
| name: postgresql-processor-test | ||
| command: | ||
| - /app | ||
| - insert | ||
| env: | ||
| - name: TASK_INSTANCES_COUNT | ||
| value: "20" | ||
| - name: CONNECTION_STRING | ||
| valueFrom: | ||
| secretKeyRef: | ||
| name: {{.SecretName}} | ||
| key: postgresql_conn_str | ||
| restartPolicy: Never | ||
| backoffLimit: 4 | ||
| ` | ||
| InsertRecordsJobTemplate = `apiVersion: batch/v1 | ||
| kind: Job | ||
| metadata: | ||
| labels: | ||
| app: postgresql-insert-job | ||
| name: postgresql-insert-job | ||
| namespace: {{.TestNamespace}} | ||
| spec: | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: postgresql-insert-job | ||
| spec: | ||
| containers: | ||
| - image: ghcr.io/kedacore/tests-postgresql | ||
| imagePullPolicy: Always | ||
| name: postgresql-processor-test | ||
| command: | ||
| - /app | ||
| - insert | ||
| env: | ||
| - name: TASK_INSTANCES_COUNT | ||
| value: "10000" | ||
| - name: CONNECTION_STRING | ||
| valueFrom: | ||
| secretKeyRef: | ||
| name: {{.SecretName}} | ||
| key: postgresql_conn_str | ||
| restartPolicy: Never | ||
| backoffLimit: 4 | ||
| ` | ||
| TriggerAuthenticationTemplate = `apiVersion: keda.sh/v1alpha1 | ||
| kind: TriggerAuthentication | ||
| metadata: | ||
| name: {{.TriggerAuthenticationName}} | ||
| namespace: {{.TestNamespace}} | ||
| spec: | ||
| secretTargetRef: | ||
| - parameter: connection | ||
| name: {{.SecretName}} | ||
| key: {{.SecretKey}} | ||
| ` | ||
| PostgreSQLStatefulSetTemplate = `apiVersion: apps/v1 | ||
| kind: StatefulSet | ||
| metadata: | ||
| labels: | ||
| app: {{.PostgreSQLStatefulSetName}} | ||
| name: {{.PostgreSQLStatefulSetName}} | ||
| namespace: {{.TestNamespace}} | ||
| spec: | ||
| replicas: 1 | ||
| serviceName: {{.PostgreSQLStatefulSetName}} | ||
| selector: | ||
| matchLabels: | ||
| app: {{.PostgreSQLStatefulSetName}} | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: {{.PostgreSQLStatefulSetName}} | ||
| spec: | ||
| containers: | ||
| - name: postgresql | ||
| image: {{.PostgreSQLImage}} | ||
| env: | ||
| - name: POSTGRES_USER | ||
| value: {{.PostgreSQLUsername}} | ||
| - name: POSTGRES_PASSWORD | ||
| value: {{.PostgreSQLPassword}} | ||
| - name: POSTGRES_DB | ||
| value: {{.PostgreSQLDatabase}} | ||
| ports: | ||
| - name: postgresql | ||
| protocol: TCP | ||
| containerPort: 5432 | ||
| readinessProbe: | ||
| tcpSocket: | ||
| port: 5432 | ||
| initialDelaySeconds: 5 | ||
| timeoutSeconds: 5 | ||
| livenessProbe: | ||
| tcpSocket: | ||
| port: 5432 | ||
| initialDelaySeconds: 5 | ||
| timeoutSeconds: 5 | ||
| volumeMounts: | ||
| - name: init-scripts | ||
| mountPath: /docker-entrypoint-initdb.d | ||
| volumes: | ||
| - name: init-scripts | ||
| configMap: | ||
| name: master-slave-config | ||
| optional: true | ||
| ` | ||
| PostgreSQLServiceTemplate = `apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| labels: | ||
| app: {{.PostgreSQLStatefulSetName}} | ||
| name: {{.PostgreSQLStatefulSetName}} | ||
| namespace: {{.TestNamespace}} | ||
| spec: | ||
| ports: | ||
| - port: 5432 | ||
| protocol: TCP | ||
| targetPort: 5432 | ||
| selector: | ||
| app: {{.PostgreSQLStatefulSetName}} | ||
| type: ClusterIP | ||
| ` | ||
| ) | ||
|
|
||
| func GetConnectionString(username string, password string, svcNames []string, namespace string, database string) string { | ||
| svcFQDNs := make([]string, 0, len(svcNames)) | ||
| for _, svcName := range svcNames { | ||
| svcFQDNs = append(svcFQDNs, fmt.Sprintf("%s.%s.svc.cluster.local", svcName, namespace)) | ||
| } | ||
| fqdns := strings.Join(svcFQDNs, ",") | ||
| return fmt.Sprintf("postgresql://%s:%s@%s:5432/%s?sslmode=disable", username, password, fqdns, database) | ||
| } |
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