branch-4.1: [feature](RoutineLoad) Support RoutineLoad IAM auth #61324 - #62245
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### What problem does this PR solve?
**_Overview_**:
This PR adds AWS MSK IAM authentication for Kafka Routine Load in Apache
Doris. You can connect to Amazon MSK using IAM credentials (including
Assume Role and cross-account) with SASL_SSL and OAUTHBEARER.
**_What It Solves_**:
1. Consume AWS MSK data from Doris via Routine Load.
2. Support three credential modes: explicit AK/SK, same-account Instance
Profile Assume Role, and cross-account AK/SK Assume Role.
3. Align with AWS MSK IAM (SigV4-signed OAUTHBEARER tokens).
**_SQL Examples_**
1. MSK IAM with explicit Access Key and Secret Key (same account)
```
CREATE ROUTINE LOAD my_msk_load ON my_db.my_table
COLUMNS (id, name, dt)
PROPERTIES (
"desired_concurrent_number" = "2",
"max_error_number" = "1000"
)
FROM KAFKA
(
"kafka_broker_list" = "b-1.xxx.kafka.us-east-1.amazonaws.com:9098,b-2.xxx.kafka.us-east-1.amazonaws.com:9098",
"kafka_topic" = "my-topic",
"property.security.protocol" = "SASL_SSL",
"property.sasl.mechanism" = "OAUTHBEARER",
"aws.region" = "us-east-1",
"aws.access_key" = "XXX",
"aws.secret_key" = "XXX"
);
```
2. MSK IAM with Assume Role (e.g. EC2 Instance Profile, same account)
```
CREATE ROUTINE LOAD my_msk_load ON my_db.my_table
COLUMNS (id, name, dt)
PROPERTIES (
"desired_concurrent_number" = "2"
)
FROM KAFKA
(
"kafka_broker_list" = "b-1.xxx.kafka.us-east-1.amazonaws.com:9098",
"kafka_topic" = "my-topic",
"property.security.protocol" = "SASL_SSL",
"property.sasl.mechanism" = "OAUTHBEARER",
"aws.region" = "us-east-1",
"aws.credentials_provider" = "xxx",
"aws.role_arn" = "arn:aws:iam::123456789012:role/MyMSKConsumerRole"
);
```
3. MSK IAM with cross-account Assume Role (AK/SK of account B to assume
role in account A)
```
CREATE ROUTINE LOAD my_msk_load ON my_db.my_table
COLUMNS (id, name, dt)
PROPERTIES (
"desired_concurrent_number" = "2"
)
FROM KAFKA
(
"kafka_broker_list" = "b-1.xxx.kafka.us-east-1.amazonaws.com:9098",
"kafka_topic" = "my-topic",
"property.security.protocol" = "SASL_SSL",
"property.sasl.mechanism" = "OAUTHBEARER",
"aws.region" = "us-east-1",
"aws.role_arn" = "arn:aws:iam::111111111111:role/CrossAccountMSKRole",
"aws.access_key" = "XXX",
"aws.secret_key" = "XXX"
);
```
Validation rules (FE): When any aws.* property is set, aws.region is
required, and property.security.protocol must be SASL_SSL and
property.sasl.mechanism must be OAUTHBEARER. If you use explicit
credentials, both aws.access.key and aws.secret.key must be set
together.
doc pr：apache/doris-website#3520
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yiguolei
approved these changes
Apr 9, 2026
7 tasks
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Cherry-picked from #61324