pprovenzano commented on code in PR #13114:
URL: https://github.com/apache/kafka/pull/13114#discussion_r1107184550
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metadata/src/main/java/org/apache/kafka/image/ScramImage.java:
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@@ -50,6 +58,63 @@ public void write(ImageWriter writer, ImageWriterOptions
options) {
}
}
+ public DescribeUserScramCredentialsResponseData
describe(DescribeUserScramCredentialsRequestData request) {
+
+ List<UserName> users = request.users();
+ Map<String, Boolean> uniqueUsers = new HashMap<String, Boolean>();
+
+ if ((users == null) || (users.size() == 0)) {
+ System.out.println("Describe : get all the users");
+ // If there are no users listed then get all the users
+ for (Map<String, ScramCredentialData> scramCredentialDataSet :
mechanisms.values()) {
+ for (String user : scramCredentialDataSet.keySet()) {
+ uniqueUsers.put(user, false);
+ }
+ }
+ } else {
+ // Filter out duplicates
+ for (UserName user : users) {
+ if (uniqueUsers.containsKey(user.name())) {
+ uniqueUsers.put(user.name(), true);
+ } else {
+ uniqueUsers.put(user.name(), false);
+ }
+ }
+ }
+
+ DescribeUserScramCredentialsResponseData retval = new
DescribeUserScramCredentialsResponseData();
+
+ for (Map.Entry<String, Boolean> user : uniqueUsers.entrySet()) {
+ DescribeUserScramCredentialsResult result =
+ new DescribeUserScramCredentialsResult().setUser(user.getKey());
+
+ if (user.getValue() == false) {
+ List<CredentialInfo> credentialInfos = new
ArrayList<CredentialInfo>();
+
+ boolean datafound = false;
+ for (Map.Entry<ScramMechanism, Map<String,
ScramCredentialData>> mechanismsEntry : mechanisms.entrySet()) {
Review Comment:
No, in our implementation we will never create a `Map<String,
ScramCredentialData>` for ScramMechanism.UNKNOWN because we never populate any
credentials for an unknown mechanism. Thus I can iterate over the maps knowing
that they are all valid.
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