Add scheduled task to clean up old files from workspace (airbytehq#16247)

* Add airbyte-cron to bumpversion

* Update airbyte-cron version to current

* Add workspace clean up job

* Add missing env var to docker-compose

* Update file deletion logging

Author: gosusnp

.bumpversion.cfg

@@ -14,6 +14,8 @@ serialize =
 
 [bumpversion:file:airbyte-container-orchestrator/Dockerfile]
 
+[bumpversion:file:airbyte-cron/Dockerfile]
+
 [bumpversion:file:airbyte-metrics/reporter/Dockerfile]
 
 [bumpversion:file:airbyte-server/Dockerfile]

airbyte-cron/Dockerfile

@@ -2,7 +2,7 @@ ARG JDK_VERSION=19-slim-bullseye
 ARG JDK_IMAGE=openjdk:${JDK_VERSION}
 FROM ${JDK_IMAGE} AS cron
 
-ARG VERSION=0.40.0-alpha
+ARG VERSION=0.40.3
 
 ENV APPLICATION airbyte-cron
 ENV VERSION ${VERSION}

airbyte-cron/build.gradle

@@ -3,6 +3,7 @@ plugins {
 }
 
 dependencies {
+    implementation project(':airbyte-config:config-models')
     implementation project(':airbyte-workers')
 
     runtimeOnly 'io.micronaut:micronaut-http-server-netty:3.6.0'

airbyte-cron/src/main/java/io/airbyte/cron/selfhealing/WorkspaceCleaner.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.cron.selfhealing;
+
+import io.airbyte.config.Configs;
+import io.airbyte.config.EnvConfigs;
+import io.micronaut.scheduling.annotation.Scheduled;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.time.LocalDateTime;
+import java.time.OffsetDateTime;
+import java.util.Date;
+import java.util.concurrent.atomic.AtomicInteger;
+import javax.inject.Singleton;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.filefilter.AgeFileFilter;
+
+@Singleton
+@Slf4j
+public class WorkspaceCleaner {
+
+  private final Path workspaceRoot;
+  private final long maxAgeFilesInDays;
+
+  WorkspaceCleaner() {
+    // TODO Configs should get injected through micronaut
+    final Configs configs = new EnvConfigs();
+
+    this.workspaceRoot = configs.getWorkspaceRoot();
+    // We align max file age on temporal for history consistency
+    // It might make sense configure this independently in the future
+    this.maxAgeFilesInDays = configs.getTemporalRetentionInDays();
+  }
+
+  /*
+   * Delete files older than maxAgeFilesInDays from the workspace
+   *
+   * NOTE: this is currently only intended to work for docker
+   */
+  @Scheduled(fixedRate = "1d")
+  public void deleteOldFiles() throws IOException {
+    final Date oldestAllowed = getDateFromDaysAgo(maxAgeFilesInDays);
+    log.info("Deleting files older than {} days ({})", maxAgeFilesInDays, oldestAllowed);
+
+    final AtomicInteger counter = new AtomicInteger(0);
+    Files.walk(workspaceRoot)
+        .map(Path::toFile)
+        .filter(f -> new AgeFileFilter(oldestAllowed).accept(f))
+        .forEach(file -> {
+          log.debug("Deleting file: " + file.toString());
+          FileUtils.deleteQuietly(file);
+          counter.incrementAndGet();
+          final File parentDir = file.getParentFile();
+          if (parentDir.isDirectory() && parentDir.listFiles().length == 0) {
+            FileUtils.deleteQuietly(parentDir);
+          }
+        });
+    log.info("deleted {} files", counter.get());
+  }
+
+  private static Date getDateFromDaysAgo(final long daysAgo) {
+    return Date.from(LocalDateTime.now().minusDays(daysAgo).toInstant(OffsetDateTime.now().getOffset()));
+  }
+
+}

docker-compose.yaml

@@ -186,6 +186,10 @@ services:
       - POSTGRES_PWD=${DATABASE_PASSWORD}
       - POSTGRES_SEEDS=${DATABASE_HOST}
       - POSTGRES_USER=${DATABASE_USER}
+      - TEMPORAL_HISTORY_RETENTION_IN_DAYS=${TEMPORAL_HISTORY_RETENTION_IN_DAYS}
+      - WORKSPACE_ROOT=${WORKSPACE_ROOT}
+    volumes:
+      - workspace:${WORKSPACE_ROOT}
 volumes:
   workspace:
     name: ${WORKSPACE_DOCKER_MOUNT}