ci(k8s-eks): add ARM CI jobs configurations

Add following CI jobs configurations:
- Longevity K8S EKS 3h, full ARM
- Functional K8S EKS tests, full ARM

Also, update the EKS module by adding detection of the ARM instance
types and selecting proper image for VM.

configurations/arm/eks.yaml

@@ -0,0 +1,5 @@
+k8s_instance_type_auxiliary: 't4g.large'
+k8s_instance_type_monitor: 't4g.large'
+instance_type_loader: 'c6gn.xlarge'
+instance_type_db: 'im4gn.4xlarge'
+k8s_scylla_disk_gi: 6900

configurations/operator/functional-eks-arm.yaml

@@ -0,0 +1,6 @@
+user_prefix: 'functional-arm'
+k8s_instance_type_auxiliary: 't4g.large'
+k8s_instance_type_monitor: 't4g.large'
+instance_type_loader: 'c6gn.xlarge'
+instance_type_db: 'im4gn.xlarge'
+k8s_scylla_disk_gi: 1600

functional_tests/scylla_operator/test_functional.py

@@ -39,6 +39,7 @@
     SCYLLA_OPERATOR_NAMESPACE
 )
 from sdcm.mgmt import TaskStatus
+from sdcm.utils.aws_utils import get_arch_from_instance_type
 from sdcm.utils.common import ParallelObject
 from sdcm.utils.k8s import (
     convert_cpu_units_to_k8s_value,
@@ -754,6 +755,16 @@ def test_deploy_helm_with_default_values(db_cluster: ScyllaPodCluster):
     Deploy Scylla using helm chart with only default values.
     Storage capacity expected to be 10Gi
     """
+    # TODO: remove this skip when https://github.com/scylladb/scylla-operator/pull/1603 gets merged
+    if "eks" in db_cluster.params.get("cluster_backend"):
+        for k8s_cluster in db_cluster.k8s_clusters:
+            instance_type_db = k8s_cluster.params.get("instance_type_db")
+            region_name = k8s_cluster.region_name
+            if get_arch_from_instance_type(instance_type=instance_type_db, region_name=region_name) == "arm64":
+                pytest.skip(
+                    "Scylla-manager default version must be 3.2.5 or greater."
+                    " See https://github.com/scylladb/scylla-operator/pull/1603")
+
     target_chart_name, namespace = ("t-default-values",) * 2
     expected_capacity = '10Gi'
     need_to_collect_logs, k8s_cluster = True, db_cluster.k8s_cluster

jenkins-pipelines/operator/eks/longevity-scylla-operator-3h-eks-arm.jenkinsfile

@@ -0,0 +1,17 @@
+#!groovy
+
+def lib = library identifier: 'sct@snapshot', retriever: legacySCM(scm)
+
+longevityPipeline(
+    backend: 'k8s-eks',
+    region: 'eu-west-2',
+    availability_zone: 'c',
+    test_name: 'longevity_test.LongevityTest.test_custom_time',
+    test_config: '''["test-cases/scylla-operator/longevity-scylla-operator-3h.yaml", "configurations/arm/eks.yaml"]''',
+    email_recipients: '[email protected],[email protected]',
+    post_behavior_db_nodes: 'destroy',
+    post_behavior_loader_nodes: 'destroy',
+    post_behavior_monitor_nodes: 'destroy',
+    post_behavior_k8s_cluster: 'destroy',
+    k8s_log_api_calls: false,
+)

jenkins-pipelines/operator/functional/functional-eks-arm.jenkinsfile

@@ -0,0 +1,18 @@
+#!groovy
+
+def lib = library identifier: 'sct@snapshot', retriever: legacySCM(scm)
+
+longevityPipeline(
+    backend: 'k8s-eks',
+    region: 'eu-west-2',
+    availability_zone: 'c',
+    functional_test: true,
+    test_name: 'functional_tests/scylla_operator',
+    test_config: '''["test-cases/scylla-operator/functional.yaml", "configurations/operator/functional-eks-arm.yaml"]''',
+    email_recipients: '[email protected],[email protected]',
+    post_behavior_db_nodes: 'destroy',
+    post_behavior_loader_nodes: 'destroy',
+    post_behavior_monitor_nodes: 'destroy',
+    post_behavior_k8s_cluster: 'destroy',
+    k8s_log_api_calls: false,
+)

sdcm/cluster_k8s/eks.py

@@ -41,6 +41,7 @@
 )
 from sdcm.remote import LOCALRUNNER
 from sdcm.utils.aws_utils import (
+    get_arch_from_instance_type,
     get_ec2_network_configuration,
     tags_as_ec2_tags,
     EksClusterCleanupMixin,
@@ -55,6 +56,8 @@
 
 EC2_INSTANCE_UPDATE_LOCK = Lock()
 
+ARCH_TO_IMAGE_TYPE_MAPPING = {'arm64': 'AL2_ARM_64', 'x86_64': 'AL2_x86_64'}
+
 
 def init_k8s_eks_cluster(region_name: str, availability_zone: str, params: dict,
                          credentials: List[cluster.UserRemoteCredentials],
@@ -171,12 +174,16 @@ def __init__(
             ssh_key_pair_name: str = None,
             provision_type: Literal['ON_DEMAND', 'SPOT'] = 'ON_DEMAND',
             launch_template: str = None,
-            image_type: Literal['AL2_x86_64', 'AL2_x86_64_GPU', 'AL2_ARM_64'] = 'AL2_x86_64',
+            image_type: Literal['AL2_x86_64', 'AL2_x86_64_GPU', 'AL2_ARM_64'] = None,
             disk_type: Literal["standard", "io1", "io2", "gp2", "sc1", "st1"] = None,
             k8s_version: str = None,
             is_deployed: bool = False,
             user_data: str = None,
     ):
+        if not image_type:
+            current_arch = get_arch_from_instance_type(
+                instance_type=instance_type, region_name=k8s_cluster.region_name)
+            image_type = ARCH_TO_IMAGE_TYPE_MAPPING.get(current_arch, "AL2_x86_64")
         super().__init__(
             k8s_cluster=k8s_cluster,
             name=name,