Don't skip last index during iteration. (DataDog#18996)

* Don't skip last index during iteration.

Last empty element is removed on line 358 in `get_info` func

* Update aerospike tests to include indixes metrics

aerospike/changelog.d/18996.fixed

@@ -0,0 +1 @@
+Don't skip last index in each namespace

aerospike/datadog_checks/aerospike/aerospike.py

@@ -152,7 +152,7 @@ def check(self, _):
 
             # https://www.aerospike.com/docs/reference/info/#sindex
             sindex = self.get_info('sindex/{}'.format(ns))
-            for idx in parse_namespace(sindex[:-1], ns, 'indexname'):
+            for idx in parse_namespace(sindex, ns, 'indexname'):
                 sindex_tags = ['sindex:{}'.format(idx)]
                 sindex_tags.extend(namespace_tags)
                 self.collect_info('sindex/{}/{}'.format(ns, idx), SINDEX_METRIC_TYPE, tags=sindex_tags)

aerospike/tests/common.py

@@ -104,6 +104,32 @@
 
 ALL_METRICS = NAMESPACE_METRICS + LEGACY_SET_METRICS
 
+INDEXES_METRICS = [
+    "aerospike.sindex.delete_error",
+    "aerospike.sindex.delete_success",
+    "aerospike.sindex.entries",
+    "aerospike.sindex.histogram",
+    "aerospike.sindex.ibtr_memory_used",
+    "aerospike.sindex.keys",
+    "aerospike.sindex.load_pct",
+    "aerospike.sindex.loadtime",
+    "aerospike.sindex.nbtr_memory_used",
+    "aerospike.sindex.query_agg",
+    "aerospike.sindex.query_agg_avg_rec_count",
+    "aerospike.sindex.query_agg_avg_record_size",
+    "aerospike.sindex.query_avg_rec_count",
+    "aerospike.sindex.query_avg_record_size",
+    "aerospike.sindex.query_lookup_avg_rec_count",
+    "aerospike.sindex.query_lookup_avg_record_size",
+    "aerospike.sindex.query_lookups",
+    "aerospike.sindex.query_reqs",
+    "aerospike.sindex.si_accounted_memory",
+    "aerospike.sindex.stat_gc_recs",
+    "aerospike.sindex.stat_gc_time",
+    "aerospike.sindex.write_error",
+    "aerospike.sindex.write_success",
+]
+
 STATS_METRICS = [
     'cluster_size',
     'batch_index_initiate',
@@ -155,6 +181,32 @@
     'tags': ['tag:value'],
 }
 
+MOCK_INDEXES_METRICS = [
+    "keys=1",
+    "entries=1",
+    "ibtr_memory_used=18688",
+    "nbtr_memory_used=31",
+    "si_accounted_memory=18719",
+    "load_pct=100",
+    "loadtime=7",
+    "write_success=1",
+    "write_error=0",
+    "delete_success=0",
+    "delete_error=0",
+    "stat_gc_recs=0",
+    "stat_gc_time=0",
+    "query_reqs=0",
+    "query_avg_rec_count=0",
+    "query_avg_record_size=0",
+    "query_agg=0",
+    "query_agg_avg_rec_count=0",
+    "query_agg_avg_record_size=0",
+    "query_lookups=0",
+    "query_lookup_avg_rec_count=0",
+    "query_lookup_avg_record_size=0",
+    "histogram=false",
+]
+
 MOCK_DATACENTER_METRICS = [
     'dc_state=CLUSTER_UP',
     'dc_timelag=0',

aerospike/tests/conftest.py

@@ -39,6 +39,8 @@ def init_db():
         'quote_cnt': 47,
     }
     client.put(key, bins)
+    # Create at an index
+    client.index_string_create('test', 'characters', 'name', 'idx_characters_name')
 
     batch_keys = []
     for i in range(10):

aerospike/tests/test_aerospike.py

@@ -13,6 +13,7 @@
 from .common import (
     EXPECTED_PROMETHEUS_METRICS,
     EXPECTED_PROMETHEUS_METRICS_5_6,
+    INDEXES_METRICS,
     LATENCIES_METRICS,
     LAZY_METRICS,
     LEGACY_SET_METRICS,
@@ -38,7 +39,6 @@ def test_check(aggregator, instance, dd_run_check):
 
 @pytest.mark.integration
 def test_version_metadata(aggregator, instance, datadog_agent, dd_run_check):
-
     check = AerospikeCheck('aerospike', {}, [instance])
     check.check_id = 'test:123'
 
@@ -129,6 +129,9 @@ def _test_check(aggregator):
         for metric in LEGACY_SET_METRICS:
             aggregator.assert_metric("aerospike.set.{}".format(metric))
 
+    for metric in INDEXES_METRICS:
+        aggregator.assert_metric(metric)
+
     aggregator.assert_all_metrics_covered()
 
     aggregator.assert_service_check('aerospike.can_connect', AerospikeCheck.OK)

aerospike/tests/test_unit.py

@@ -52,6 +52,36 @@ def test_xdr_metrics(aggregator):
         aggregator.assert_metric(metric, tags=['datacenter:test'])
 
 
+def test_sindex_metrics(aggregator, dd_run_check):
+    check = AerospikeCheck('aerospike', {}, [common.INSTANCE])
+    original_get_info = check.get_info
+
+    def mock_get_info(command, separator=";"):
+        if command == "sindex/test":
+            return [
+                "ns=test:indexname=idx_characters_name:set=characters:bin=name:type=string:indextype=default:context=null:state=RW"
+            ]
+        elif command == "sindex/test/idx_characters_name":
+            return common.MOCK_INDEXES_METRICS
+        elif command.startswith("sets/"):
+            return []
+        return original_get_info(command, separator)
+
+    check.get_info = mock_get_info
+    check._tags = []
+    check._client = mock.MagicMock()
+    check._client.get_node_names = mock.MagicMock(
+        return_value={'address': common.HOST, 'port': common.PORT, 'node_name': 'test'}
+    )
+    check.get_namespaces = mock.MagicMock(return_value=['test'])
+    check.collect_throughput = mock.MagicMock()
+    check.collect_latency = mock.MagicMock()
+    dd_run_check(check)
+
+    for metric in common.INDEXES_METRICS:
+        aggregator.assert_metric(metric, tags=['namespace:test', 'sindex:idx_characters_name'])
+
+
 def test_multiple_xdr_metrics(aggregator):
     check = AerospikeCheck('aerospike', {}, [common.INSTANCE])
     check.get_info = mock.MagicMock(