ajayvembu commented on code in PR #15869:
URL: https://github.com/apache/iceberg/pull/15869#discussion_r3164832835
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azure/src/main/java/org/apache/iceberg/azure/adlsv2/ADLSFileIO.java:
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@@ -259,11 +281,93 @@ public void deletePrefix(String prefix) {
}
@Override
- public void close() {
- if (vendedAdlsCredentialProvider != null) {
- vendedAdlsCredentialProvider.close();
+ public void setCredentials(List<StorageCredential> credentials) {
+ Preconditions.checkArgument(credentials != null, "Invalid storage
credentials: null");
+ // stop any refresh that might be scheduled
+ if (refreshFuture != null) {
+ refreshFuture.cancel(true);
+ }
+
+ // copy credentials into a modifiable collection for Kryo serde
+ this.storageCredentials = Lists.newArrayList(credentials);
+
+ // if the clients are already initialized, we need to allow them to be
recreated
+ synchronized (this) {
+ if (clientCache != null) {
+ this.clientCache = null;
+ }
+ }
+ }
+
+ @Override
+ public List<StorageCredential> credentials() {
+ return ImmutableList.copyOf(storageCredentials);
+ }
+
+ private void scheduleCredentialRefresh() {
Review Comment:
What if the SPARK / Flink invoked client() before adding the credentials. In
which case storageCredentials is null and storageCredentials.stream() will lead
to NPE.
We need to add null check here,
```
if (storageCredentials == null || storageCredentials.isEmpty()) {
return;
}
```
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