Tridentの指標はどこで定義できますか？
環境
- トライデント
- Prometheus
回答
Tridentの指標の説明は、Tridentのコアアプリケーションコンテナの/metricsエンドポイントでコメントとして参照できます。
例：
[root@rhel3 k8s]# kubectl describe pod/trident-controller-xxxxxxxxx-xxxxx -n trident |grep IP:
IP: 10.36.0.1
IP: 10.36.0.1[root@rhel3 k8s]# curl http://10.36.0.1:8001/metrics:# HELP trident_backend_count The total number of backends# TYPE trident_backend_count gaugetrident_backend_count{backend_state="online",backend_type="ontap-nas"} 1trident_backend_count{backend_state="online",backend_type="solidfire-san"} 1# HELP trident_backend_info Trident backend information# TYPE trident_backend_info gaugetrident_backend_info{backend_name="BackendForNAS",backend_type="ontap-nas",backend_uuid="e098abb8-8e16-4b4f-a4bc-a6c9557b39b1"} 1trident_backend_info{backend_name="BackendForSolidFire",backend_type="solidfire-san",backend_uuid="d9d6bef6-eef9-4ff0-b5c8-c69d048b739e"} 1# HELP trident_build_info Trident build and release information# TYPE trident_build_info gaugetrident_build_info{build_type="stable",trident_revision="a9aa0658dcb9f27e40b69e80a00c6df5241d00d9",trident_version="20.07.0"} 1# HELP trident_core_backend_count The total number of backends (deprecated)# TYPE trident_core_backend_count gaugetrident_core_backend_count{backend_state="online",backend_type="ontap-nas"} 1trident_core_backend_count{backend_state="online",backend_type="solidfire-san"} 1# HELP trident_core_backend_count_by_state The total number of backends by state (deprecated)# TYPE trident_core_backend_count_by_state gaugetrident_core_backend_count_by_state{state="online"} 2# HELP trident_core_backend_count_by_type The total number of backends by type (deprecated)# TYPE trident_core_backend_count_by_type gaugetrident_core_backend_count_by_type{type="ontap-nas"} 1trident_core_backend_count_by_type{type="solidfire-san"} 1# HELP trident_core_backend_info Trident backend information (deprecated)# TYPE trident_core_backend_info gaugetrident_core_backend_info{backend_name="BackendForNAS",backend_type="ontap-nas",backend_uuid="e098abb8-8e16-4b4f-a4bc-a6c9557b39b1"} 1trident_core_backend_info{backend_name="BackendForSolidFire",backend_type="solidfire-san",backend_uuid="d9d6bef6-eef9-4ff0-b5c8-c69d048b739e"} 1# HELP trident_core_build_info Trident build and release information (deprecated)# TYPE trident_core_build_info gaugetrident_core_build_info{build_type="stable",trident_revision="a9aa0658dcb9f27e40b69e80a00c6df5241d00d9",trident_version="20.07.0"} 1# HELP trident_core_node_count The total number of nodes (deprecated)# TYPE trident_core_node_count gaugetrident_core_node_count 3# HELP trident_core_operation_duration_in_milliseconds The duration of operations by backend (deprecated)# TYPE trident_core_operation_duration_in_milliseconds summarytrident_core_operation_duration_in_milliseconds{op="backend_get",success="true",quantile="0.5"} NaNtrident_core_operation_duration_in_milliseconds{op="backend_get",success="true",quantile="0.9"} NaN:trident_core_operation_duration_in_milliseconds_sum{op="volume_publish",success="true"} 0trident_core_operation_duration_in_milliseconds_count{op="volume_publish",success="true"} 1# HELP trident_core_storage_class_count The total number of storage classes (deprecated)# TYPE trident_core_storage_class_count gaugetrident_core_storage_class_count 5# HELP trident_core_volume_total_bytes The total number of bytes in all volumes (deprecated)# TYPE trident_core_volume_total_bytes gaugetrident_core_volume_total_bytes 0# HELP trident_node_count The total number of nodes# TYPE trident_node_count gaugetrident_node_count 3# HELP trident_ontap_operation_duration_in_milliseconds_by_svm The duration of operations by SVM# TYPE trident_ontap_operation_duration_in_milliseconds_by_svm summarytrident_ontap_operation_duration_in_milliseconds_by_svm{op="ems-autosupport-log",svm="svm1",quantile="0.5"} NaNtrident_ontap_operation_duration_in_milliseconds_by_svm{op="ems-autosupport-log",svm="svm1",quantile="0.9"} NaN:trident_ontap_operation_duration_in_milliseconds_by_svm_sum{op="vserver-show-aggr-get-iter",svm="svm1"} 47trident_ontap_operation_duration_in_milliseconds_by_svm_count{op="vserver-show-aggr-get-iter",svm="svm1"} 1# HELP trident_ontap_ops_total The total number of handled ONTAP ZAPI operations# TYPE trident_ontap_ops_total countertrident_ontap_ops_total{op="ems-autosupport-log",svm="svm1"} 2trident_ontap_ops_total{op="net-interface-get-iter",svm="svm1"} 1:trident_ontap_ops_total{op="vserver-get-iter",svm="svm1"} 1trident_ontap_ops_total{op="vserver-show-aggr-get-iter",svm="svm1"} 1# HELP trident_operation_duration_milliseconds The duration of operations by backend# TYPE trident_operation_duration_milliseconds summarytrident_operation_duration_milliseconds{operation="backend_get",success="true",quantile="0.5"} NaNtrident_operation_duration_milliseconds{operation="backend_get",success="true",quantile="0.9"} NaN:trident_operation_duration_milliseconds_sum{operation="volume_publish",success="true"} 0trident_operation_duration_milliseconds_count{operation="volume_publish",success="true"} 1# HELP trident_rest_ops_seconds_total The total number of seconds spent handling REST operations# TYPE trident_rest_ops_seconds_total summarytrident_rest_ops_seconds_total{op="GET",route="GetBackend",status_code="200",quantile="0.5"} NaNtrident_rest_ops_seconds_total{op="GET",route="GetBackend",status_code="200",quantile="0.9"} NaN:trident_rest_ops_seconds_total_sum{op="PUT",route="AddOrUpdateNode",status_code="503"} 0trident_rest_ops_seconds_total_count{op="PUT",route="AddOrUpdateNode",status_code="503"} 1# HELP trident_rest_ops_total The total number of handled REST operations# TYPE trident_rest_ops_total countertrident_rest_ops_total{op="GET",route="GetBackend",status_code="200"} 4trident_rest_ops_total{op="GET",route="GetVersion",status_code="200"} 743:trident_rest_ops_total{op="PUT",route="AddOrUpdateNode",status_code="201"} 3trident_rest_ops_total{op="PUT",route="AddOrUpdateNode",status_code="503"} 1# HELP trident_storageclass_count The total number of storage classes# TYPE trident_storageclass_count gaugetrident_storageclass_count 5# HELP trident_volume_total_bytes The total number of bytes in all volumes# TYPE trident_volume_total_bytes gaugetrident_volume_total_bytes 0追加情報