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TSM Prometheus exporter

Build Status GitHub release GitHub All Releases Go Report Card codecov

TSM Prometheus exporter

The TSM exporter collects metrics from the Tivoli Storage Manager (IBM Spectrum Protect).

This expecter is intended to query multiple TSM servers from an external host.

The /tsm metrics endpoint exposes TSM metrics and requires the target parameter.

The /metrics endpoint exposes Go and process metrics for this exporter.

This exporter has been tested with TSM 8.1.2.

Collectors

Collectors are enabled or disabled via a config file.

Name Description Default
status Collect status information about TSM Enabled
volumes Collect count of unavailable or readonly volumes Enabled
log Collect active log space metrics Enabled
db Collect DB space information Enabled
occupancy Collect occupancy metrics Enabled
libvolumes Collect count of scratch tapes Enabled
drives Collect count of offline drives Enabled
events Collect event duration and number of not completed events Enabled
replicationview Collect metrics about replication Enabled
stgpools Collect storage pool metrics Enabled
volumeusage Collect aggregates of volume counts by node name Enabled
summary Collect backup summary information Enabled

Configuration

The configuration defines targets that are to be queried. Example:

targets:
  tsm1.example.com:
    id: somwell
    password: secret
    library_name: TAPE
    schedules:
    - MYSQL
    replication_node_names:
    - TESTDB
  tsm2.example.com:
    id: somwell
    password: secret
    timezone: America/New_York
    collectors:
    - status
    - volumes
    - log
    - db
    - volumeusage
    - summary
    volumeusage_map:
      LTO6: '^E.*'
      LT07: '^F.*'
    summary_activities:
    - BACKUP
    - REPLICATION

WARNING: Due to limitations with Go expect libraries and limitations with how passwords as passed to dsmadmc, this code must pass the configured password via CLI arguments. In testing it appears like dsmadmc strips the password after execution but this does not guarantee the password cannot be exposed. Take proper precaustions in protecting the host running this exporter.

This exporter could then be queried via one of these two commands below. The tsm2.example.com target will only run the status, volumes, log and db collectors.

curl http://localhost:9310/tsm?target=tsm1.example.com
curl http://localhost:9310/tsm?target=tsm2.example.com

The key for each target should match the servername value for the entry in dsm.sys. You may optionally add the servername key to override the servername used when executing dsmadmc.

The libvolumes and drives collectors can be limited to a specific library name via library_name config value, eg: library_name: TAPE.

The events collector can be limited to specific schedules via the schedules config value.

The replicationview collector can be limited to specific node names via the replication_node_names config value.

The volumeusage collector can map specific volume names to metric labels via volumeusage_map config value. The example above will map volumes starting with E to be counted as LTO6 and volumes starting with F counted as LT07. If no mapping is defined the metrics will just set volumename="all" and the metrics will count volumes per node name.

The summary collector can have specific activies queried via the summary_activities config value. By default all activities are queried except 'TAPE MOUNT','EXPIRATION','PROCESS_START','PROCESS_END' and anything beginning with SUR_.

Times are parsed using the timezone of the host running this exporter. If that timezone differs for a TSM host you can use --config.timezone flag or set timezone configuration for a target, such as America/New_York. The target timezone config option takes precedence.

Dependencies

This exporter relies on the dsmadmc command. The host running the exporter is expected to have both the dsmadmc executable and files /opt/tivoli/tsm/client/ba/bin/dsm.sys and /opt/tivoli/tsm/client/ba/bin/dsm.opt.

The hosts being queried by this exporter must exist in /opt/tivoli/tsm/client/ba/bin/dsm.sys.

To validate your system is able to properly query TSM servers (substitute environment variables for real values):

/opt/tivoli/tsm/client/ba/bin/dsmadmc -servername=$SERVERNAME -id=$USERNAME -password=$PASSWORD \
  -DATAONLY=YES -COMMAdelimited "QUERY STATUS"

This has been validated on a host with TIVsm-BA and TIVsm-API64 RPMs installed.

Docker

Example of running the Docker container. This relies on the Dependencies being installed on the host running Docker.

docker run -d -p 9310:9310 --name tsm_exporter \
-v "tsm_exporter.yaml:/tsm_exporter.yaml:ro" \
-v "/opt/tivoli:/opt/tivoli:ro" \
-v "/usr/local/ibm:/usr/local/ibm:ro" \
treydock/tsm_exporter

Install

Download the latest release

Add the user that will run tsm_exporter

groupadd -r tsm_exporter
useradd -r -d /var/lib/tsm_exporter -s /sbin/nologin -M -g tsm_exporter -M tsm_exporter

Install compiled binaries after extracting tar.gz from release page.

cp /tmp/tsm_exporter /usr/local/bin/tsm_exporter

Install the necessary dependencies, see dependencies section

Add the necessary config, see configuration section

Add systemd unit file and start service. Modify the ExecStart with desired flags.

cp systemd/tsm_exporter.service /etc/systemd/system/tsm_exporter.service
systemctl daemon-reload
systemctl start tsm_exporter

Build from source

To produce the tsm_exporter binary:

make build

Or

go get github.com/treydock/tsm_exporter

Prometheus configs

The following example assumes this exporter is running on the Prometheus server and communicating to the remote TSM hosts.

- job_name: tsm
  metrics_path: /tsm
  static_configs:
  - targets:
    - tsm1.example.com
    - tsm2.example.com
  relabel_configs:
  - source_labels: [__address__]
    target_label: __param_target
  - source_labels: [__param_target]
    target_label: instance
  - target_label: __address__
    replacement: 127.0.0.1:9310
- job_name: tsm-metrics
  metrics_path: /metrics
  static_configs:
  - targets:
    - localhost:9310

Grafana Dashboard

An example Grafana dashboard can be found here: https://grafana.com/grafana/dashboards/14054

The dashboard can also be found at grafana/tsm.json

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