sketchmind commented on code in PR #10675:
URL: https://github.com/apache/dolphinscheduler/pull/10675#discussion_r911129734
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dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/S3Utils.java:
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@@ -175,21 +175,36 @@ public String getFileName(ResourceType resourceType,
String tenantCode, String f
}
@Override
- public void download(String tenantCode, String srcFilePath, String
dstFile, boolean deleteSource, boolean overwrite) throws IOException {
+ public void download(String tenantCode, String srcFilePath, String
dstFilePath, boolean deleteSource, boolean overwrite) throws IOException {
+ File dstFile = new File(dstFilePath);
+ File dstFileParentDirectory = dstFile.getParentFile();
+ if (dstFile.exists()) {
+ if (dstFile.isDirectory()) {
+ logger.error("destination file must be a file, but {} is a
folder", dstFilePath);
+ throw new IOException("destination file must be a file, but "
+ dstFilePath +" is a folder");
+ } else if (!overwrite) {
+ logger.info("the destination file {} already exists, download
operation will be ignored", dstFilePath);
+ return;
+ }
+ } else {
+ if (!dstFileParentDirectory.mkdirs() &&
!dstFileParentDirectory.exists()) {
+ throw new IOException("failed to create parent directory of
destination file, directory is " + dstFileParentDirectory.getAbsolutePath());
+ }
Review Comment:
* If the failed to create dir exception is not thrown in time, it will
unnecessarily request s3 resources
* I will replaced it with FileUtils on next push
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