Attempting to fix issues where wrong port is picked for test containers, occurred a lot locally.

hosting/docker-compose.test.yaml

@@ -8,8 +8,8 @@ services:
     # Last version that supports the "fs" backend
     image: minio/minio:RELEASE.2022-10-24T18-35-07Z
     ports:
-      - 9000
+      - "9000"
-      - 9001
+      - "9001"
     environment:
       MINIO_ACCESS_KEY: ${MINIO_ACCESS_KEY}
       MINIO_SECRET_KEY: ${MINIO_SECRET_KEY}
@@ -28,9 +28,9 @@ services:
       - COUCHDB_PASSWORD=${COUCH_DB_PASSWORD}
       - COUCHDB_USER=${COUCH_DB_USER}
     ports:
-      - 5984
+      - "5984"
-      - 4369
+      - "4369"
-      - 9100
+      - "9100"
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:5984/_up"]
       interval: 30s
@@ -42,6 +42,6 @@ services:
     image: redis
     command: redis-server --requirepass ${REDIS_PASSWORD}
     ports:
-      - 6379
+      - "6379"
     healthcheck:
-      test: ["CMD", "redis-cli", "ping"]
+      test: ["CMD", "redis-cli", "ping"]

packages/backend-core/tests/utilities/testContainerUtils.ts

@@ -1,3 +1,31 @@
+import { execSync } from "child_process"
+
+let dockerPsResult: string | undefined
+
+function formatDockerPsResult(serverName: string, port: number) {
+  const lines = dockerPsResult?.split("\n")
+  let first = true
+  if (!lines) {
+    return null
+  }
+  for (let line of lines) {
+    if (first) {
+      first = false
+      continue
+    }
+    let toLookFor = serverName.split("-service")[0]
+    if (!line.includes(toLookFor)) {
+      continue
+    }
+    const regex = new RegExp(`0.0.0.0:([0-9]*)->${port}`, "g")
+    const found = line.match(regex)
+    if (found) {
+      return found[0].split(":")[1].split("->")[0]
+    }
+  }
+  return null
+}
+
 function getTestContainerSettings(
   serverName: string,
   key: string
@@ -14,10 +42,22 @@ function getTestContainerSettings(
 }
 
 function getContainerInfo(containerName: string, port: number) {
-  const assignedPort = getTestContainerSettings(
+  let assignedPort = getTestContainerSettings(
     containerName.toUpperCase(),
     `PORT_${port}`
   )
+  if (!dockerPsResult) {
+    try {
+      const outputBuffer = execSync("docker ps")
+      dockerPsResult = outputBuffer.toString("utf8")
+    } catch (err) {
+      //no-op
+    }
+  }
+  const possiblePort = formatDockerPsResult(containerName, port)
+  if (possiblePort) {
+    assignedPort = possiblePort
+  }
   const host = getTestContainerSettings(containerName.toUpperCase(), "IP")
   return {
     port: assignedPort,
@@ -39,12 +79,15 @@ function getRedisConfig() {
 }
 
 export function setupEnv(...envs: any[]) {
+  const couch = getCouchConfig(),
+    minio = getCouchConfig(),
+    redis = getRedisConfig()
   const configs = [
-    { key: "COUCH_DB_PORT", value: getCouchConfig().port },
+    { key: "COUCH_DB_PORT", value: couch.port },
-    { key: "COUCH_DB_URL", value: getCouchConfig().url },
+    { key: "COUCH_DB_URL", value: couch.url },
-    { key: "MINIO_PORT", value: getMinioConfig().port },
+    { key: "MINIO_PORT", value: minio.port },
-    { key: "MINIO_URL", value: getMinioConfig().url },
+    { key: "MINIO_URL", value: minio.url },
-    { key: "REDIS_URL", value: getRedisConfig().url },
+    { key: "REDIS_URL", value: redis.url },
   ]
 
   for (const config of configs.filter(x => !!x.value)) {