rustfs-obs 0.0.3

Observability and monitoring tools for RustFS, providing metrics, logging, and tracing capabilities.
Documentation 
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// Copyright 2024 RustFS Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/// Erasure code set related metric descriptors
use crate::metrics::{MetricDescriptor, MetricName, new_gauge_md, subsystems};

/// The label for the pool ID
pub const POOL_ID_L: &str = "pool_id";
/// The label for the pool ID
pub const SET_ID_L: &str = "set_id";

lazy_static::lazy_static! {
    pub static ref ERASURE_SET_OVERALL_WRITE_QUORUM_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetOverallWriteQuorum,
            "Overall write quorum across pools and sets",
            &[],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_OVERALL_HEALTH_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetOverallHealth,
            "Overall health across pools and sets (1=healthy, 0=unhealthy)",
            &[],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_READ_QUORUM_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetReadQuorum,
            "Read quorum for the erasure set in a pool",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_WRITE_QUORUM_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetWriteQuorum,
            "Write quorum for the erasure set in a pool",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_ONLINE_DRIVES_COUNT_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetOnlineDrivesCount,
            "Count of online drives in the erasure set in a pool",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_HEALING_DRIVES_COUNT_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetHealingDrivesCount,
            "Count of healing drives in the erasure set in a pool",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_HEALTH_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetHealth,
            "Health of the erasure set in a pool (1=healthy, 0=unhealthy)",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_READ_TOLERANCE_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetReadTolerance,
            "No of drive failures that can be tolerated without disrupting read operations",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_WRITE_TOLERANCE_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetWriteTolerance,
            "No of drive failures that can be tolerated without disrupting write operations",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_READ_HEALTH_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetReadHealth,
            "Health of the erasure set in a pool for read operations (1=healthy, 0=unhealthy)",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );

    pub static ref ERASURE_SET_WRITE_HEALTH_MD: MetricDescriptor =
        new_gauge_md(
            MetricName::ErasureSetWriteHealth,
            "Health of the erasure set in a pool for write operations (1=healthy, 0=unhealthy)",
            &[POOL_ID_L, SET_ID_L],
            subsystems::CLUSTER_ERASURE_SET
        );
}