test: migrate crate to test-containers code

docker-compose.yml

@@ -85,15 +85,3 @@ services:
     ports:
       - "389:389"
       - "636:636"
-  crate:
-    image: crate/crate
-    ports:
-      - "4200:4200"
-      - "4230:4230"
-      - "6543:5432"
-    command:
-      - crate
-      - -Cnetwork.host=0.0.0.0
-      - -Ctransport.host=localhost
-    environment:
-      - CRATE_HEAP_SIZE=128m

plugins/outputs/cratedb/cratedb_test.go

@@ -2,7 +2,7 @@ package cratedb
 
 import (
 	"database/sql"
-	"os"
+	"fmt"
 	"strings"
 	"testing"
 	"time"
@@ -12,25 +12,39 @@ import (
 	"github.com/influxdata/telegraf/metric"
 	"github.com/influxdata/telegraf/testutil"
 	"github.com/stretchr/testify/require"
+	"github.com/testcontainers/testcontainers-go/wait"
 )
 
-func TestConnectAndWriteIntegration(t *testing.T) {
-	t.Skip("Skipping due to trust authentication failure")
+func createTestContainer(t *testing.T) testutil.Container {
+	container := testutil.Container{
+		Image:        "crate",
+		ExposedPorts: []string{"5432"},
+		Entrypoint: []string{
+			"/docker-entrypoint.sh",
+			"-Cdiscovery.type=single-node",
+		},
+		WaitingFor: wait.ForListeningPort("5432/tcp"),
+	}
+	err := container.Start()
+	require.NoError(t, err, "failed to start container")
 
-	if os.Getenv("CIRCLE_PROJECT_REPONAME") != "" {
-		t.Skip("Skipping test on CircleCI due to docker failures")
+	return container
+}
+
+func TestConnectAndWriteIntegration(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
 	}
 
-	url := testURL()
-	table := "test-1"
+	container := createTestContainer(t)
+	defer func() {
+		require.NoError(t, container.Terminate(), "terminating container failed")
+	}()
+	url := fmt.Sprintf("postgres://crate@%s:%s/test", container.Address, container.Port)
 
-	// dropSQL drops our table before each test. This simplifies changing the
-	// schema during development :).
-	dropSQL := "DROP TABLE IF EXISTS " + escapeString(table, `"`)
+	table := "testing"
 	db, err := sql.Open("pgx", url)
 	require.NoError(t, err)
-	_, err = db.Exec(dropSQL)
-	require.NoError(t, err)
 	defer db.Close()
 
 	c := &CrateDB{
@@ -129,13 +143,17 @@ func escapeValueTests() []escapeValueTest {
 }
 
 func Test_escapeValueIntegration(t *testing.T) {
-	t.Skip("Skipping due to trust authentication failure")
-
-	if os.Getenv("CIRCLE_PROJECT_REPONAME") != "" {
-		t.Skip("Skipping test on CircleCI due to docker failures")
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
 	}
 
-	db, err := sql.Open("pgx", testURL())
+	container := createTestContainer(t)
+	defer func() {
+		require.NoError(t, container.Terminate(), "terminating container failed")
+	}()
+	url := fmt.Sprintf("postgres://crate@%s:%s/test", container.Address, container.Port)
+
+	db, err := sql.Open("pgx", url)
 	require.NoError(t, err)
 	defer db.Close()
 
@@ -228,12 +246,3 @@ func Test_hashID(t *testing.T) {
 		}
 	}
 }
-
-//nolint:unused // Used in skipped tests
-func testURL() string {
-	url := os.Getenv("CRATE_URL")
-	if url == "" {
-		return "postgres://" + testutil.GetLocalHost() + ":6543/test?sslmode=disable"
-	}
-	return url
-}

testutil/container.go

@@ -14,6 +14,7 @@ import (
 
 type Container struct {
 	Image        string
+	Entrypoint   []string
 	Env          map[string]string
 	ExposedPorts []string
 	WaitingFor   wait.Strategy
@@ -34,6 +35,7 @@ func (c *Container) Start() error {
 			Env:          c.Env,
 			ExposedPorts: c.ExposedPorts,
 			WaitingFor:   c.WaitingFor,
+			Entrypoint:   c.Entrypoint,
 		},
 		Started: true,
 	}