General libraries

This page lists non-interface libraries. The search box supports regular expressions.

Library status is shown in the left column. See tooltips, or click here for a key.

	description
0 ✅ Recommended for use in new charms today!	Recommended for use in new charms today!
3 ⚗️ Experimental, use at your own risk!	Experimental, use at your own risk!
4 💬 Team internal lib, may not be stable for external use.	Team internal lib, may not be stable for external use.
5 🚫 Deprecated library, not recommended for use in new charms.	Deprecated library, not recommended for use in new charms.
	None of the above.

	name	kind	description
0 ✅ Recommended for use in new charms today!	charm-refreshzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charm-refresh (docs, src)	0 PyPI	000charm-refresh0 🖥️machine ☸️K8s In-place rolling refreshes of stateful charmed applications.
0 ✅ Recommended for use in new charms today!	charmlibs.pathopszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charmlibs.pathops (docs, src)	0 PyPI	000charmlibs.pathops0 🖥️machine ☸️K8s Substrate agnostic file operations.
0 ✅ Recommended for use in new charms today!	loki_k8s.charm_loggingzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz loki_k8s.charm_logging (src)	2 Charmhub	000charm_logging2 🖥️machine ☸️K8s Add charm code logging to logs sent via loki_push_api.
0 ✅ Recommended for use in new charms today!	operator_libs_linux.aptzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.apt (src)	2 Charmhub	010apt2 🖥️machine Use apt to install and manage packages.
0 ✅ Recommended for use in new charms today!	operator_libs_linux.grubzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.grub (src)	2 Charmhub	010grub2 🖥️machine Use GRUB to manage kernel configuration.
0 ✅ Recommended for use in new charms today!	operator_libs_linux.juju_systemd_noticeszzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.juju_systemd_notices (src)	2 Charmhub	010juju_systemd_notices2 🖥️machine Use systemd to observe and emit notices when services change state.
0 ✅ Recommended for use in new charms today!	operator_libs_linux.passwdzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.passwd (src)	2 Charmhub	010passwd2 🖥️machine Manage Linux users and groups.
0 ✅ Recommended for use in new charms today!	operator_libs_linux.snapzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.snap (src)	2 Charmhub	010snap2 🖥️machine Use snapd to install and manage packages.
0 ✅ Recommended for use in new charms today!	operator_libs_linux.sysctlzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.sysctl (src)	2 Charmhub	010sysctl2 🖥️machine Create and configure sysctl options.
0 ✅ Recommended for use in new charms today!	operator_libs_linux.systemdzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.systemd (src)	2 Charmhub	010systemd2 🖥️machine Use systemd to start, stop, and manage system services.
1	ops.manifestzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz ops.manifest (src)	0 PyPI	101ops.manifest0 ☸️K8s Work with Kubernetes manifests.
1	kubernetes_charm_libraries.multuszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz kubernetes_charm_libraries.multus (src)	2 Charmhub	101multus2 ☸️K8s Use the Multus Kubernetes Container Network Interface.
1	observability_libs.cert_handlerzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz observability_libs.cert_handler (src)	2 Charmhub	001cert_handler2 🖥️machine ☸️K8s Wraps the requirer side of the tls-certificates-interface charm’s tls_certificates lib.
1	observability_libs.kubernetes_compute_resources_patchzzzzzzzzzzz observability_libs.kubernetes_compute_resources_patch (src)	2 Charmhub	101kubernetes_compute_resources_patch2 ☸️K8s Patch Kubernetes compute resource limits.
1	observability_libs.metrics_endpoint_discoveryzzzzzzzzzzzzzzzzzzz observability_libs.metrics_endpoint_discovery (src)	2 Charmhub	101metrics_endpoint_discovery2 ☸️K8s Discover metric endpoints exposed by applications deployed to a K8s cluster.
1	rolling_ops.rollingopszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz rolling_ops.rollingops (src)	2 Charmhub	001rollingops2 🖥️machine ☸️K8s Perform “rolling” operations across units, for example rolling restarts.
1	zookeeper.clientzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz zookeeper.client (src)	2 Charmhub	001client2 🖥️machine ☸️K8s Perform zookeeper operations.
3 ⚗️ Experimental, use at your own risk!	charm-apizzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charm-api (src)	0 PyPI	003charm-api0 🖥️machine ☸️K8s Experimental API for writing charms.
3 ⚗️ Experimental, use at your own risk!	charms.contextual_statuszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charms.contextual_status (src)	0 PyPI	003charms.contextual_status0 🖥️machine ☸️K8s Context manager based library for setting charm statuses.
3 ⚗️ Experimental, use at your own risk!	charms.reconcilerzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charms.reconciler (src)	0 PyPI	003charms.reconciler0 🖥️machine ☸️K8s Handle all Juju events in an Ops-based charm with a single method.
4 💬 Team internal lib, may not be stable for external use.	charmed-kubeflow-chismezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charmed-kubeflow-chisme (src)	0 PyPI	004charmed-kubeflow-chisme0 🖥️machine ☸️K8s Used internally by the Charmed Kubeflow team.
4 💬 Team internal lib, may not be stable for external use.	charmed-service-mesh-helperszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charmed-service-mesh-helpers (src)	0 PyPI	104charmed-service-mesh-helpers0 ☸️K8s Used internally by the Service Mesh team.
4 💬 Team internal lib, may not be stable for external use.	coordinated-workerszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz coordinated-workers (src)	0 PyPI	004coordinated-workers0 🖥️machine ☸️K8s Abstractions for charms following the coordinator-worker pattern, used by Observability Team.
4 💬 Team internal lib, may not be stable for external use.	coslzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz cosl (src)	0 PyPI	004cosl0 🖥️machine ☸️K8s Used internally by the Observability Charm Engineering Team. A dependency (via PYDEPS) of popular charm libs such as loki_push_api.
4 💬 Team internal lib, may not be stable for external use.	data-platform-helperszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz data-platform-helpers (src)	0 PyPI	004data-platform-helpers0 🖥️machine ☸️K8s Used internally by the Data Charm Engineering team.
4 💬 Team internal lib, may not be stable for external use.	mongo-charms-single-kernelzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz mongo-charms-single-kernel (src)	0 PyPI	004mongo-charms-single-kernel0 🖥️machine ☸️K8s Used internally by the Data Charm Engineering team.
4 💬 Team internal lib, may not be stable for external use.	hpc-libszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz hpc-libs	1 git	004hpc-libs1 🖥️machine ☸️K8s Used internally by HPC charms.
4 💬 Team internal lib, may not be stable for external use.	mysql.architecturezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz mysql.architecture (src)	2 Charmhub	004architecture2 🖥️machine ☸️K8s Shared code between the mysql and mysql-k8s charms.
4 💬 Team internal lib, may not be stable for external use.	mysql.async_replicationzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz mysql.async_replication (src)	2 Charmhub	004async_replication2 🖥️machine ☸️K8s Shared code between the mysql and mysql-k8s charms.
4 💬 Team internal lib, may not be stable for external use.	mysql.backupszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz mysql.backups (src)	2 Charmhub	004backups2 🖥️machine ☸️K8s Shared code between the mysql and mysql-k8s charms.
4 💬 Team internal lib, may not be stable for external use.	mysql.mysqlzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz mysql.mysql (src)	2 Charmhub	004mysql2 🖥️machine ☸️K8s Shared code between the mysql and mysql-k8s charms.
4 💬 Team internal lib, may not be stable for external use.	mysql.s3_helperszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz mysql.s3_helpers (src)	2 Charmhub	004s3_helpers2 🖥️machine ☸️K8s Shared code between the mysql and mysql-k8s charms.
4 💬 Team internal lib, may not be stable for external use.	mysql.tlszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz mysql.tls (src)	2 Charmhub	004tls2 🖥️machine ☸️K8s Shared code between the mysql and mysql-k8s charms.
4 💬 Team internal lib, may not be stable for external use.	opensearch.helper_coszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz opensearch.helper_cos (src)	2 Charmhub	114helper_cos2 Relies on data_platform_helpers.
4 💬 Team internal lib, may not be stable for external use.	pgbouncer_k8s.pgbzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz pgbouncer_k8s.pgb (src)	2 Charmhub	004pgb2 🖥️machine ☸️K8s Shared code between pgbouncer and pgbouncer-k8s charms.
4 💬 Team internal lib, may not be stable for external use.	postgresql_k8s.postgresqlzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz postgresql_k8s.postgresql (src)	2 Charmhub	004postgresql2 🖥️machine ☸️K8s Shared code between the posgresql and postgresql-k8s charms.
5 🚫 Deprecated library, not recommended for use in new charms.	charm-helperszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charm-helpers (docs, src)	0 PyPI	005charm-helpers0 🖥️machine ☸️K8s Pre-Ops library used by reactive charms.
5 🚫 Deprecated library, not recommended for use in new charms.	charm-jsonzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charm-json (src)	0 PyPI	005charm-json0 🖥️machine ☸️K8s JSON typed relation data – unnecessary with Ops 2.23+ due to the addition of typed relation data.
5 🚫 Deprecated library, not recommended for use in new charms.	charms.dockerzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charms.docker (src)	0 PyPI	115charms.docker0 Legacy library used by the docker-layer reactive charm.
5 🚫 Deprecated library, not recommended for use in new charms.	charms.reactivezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charms.reactive (docs, src)	0 PyPI	005charms.reactive0 🖥️machine ☸️K8s Legacy library used to implement reactive charms.
5 🚫 Deprecated library, not recommended for use in new charms.	charms.templating.jinja2zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz charms.templating.jinja2 (docs, src)	0 PyPI	115charms.templating.jinja20 Legacy library for Jinja templating in reactive charms.
5 🚫 Deprecated library, not recommended for use in new charms.	jujubigdatazzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz jujubigdata (docs, src)	0 PyPI	115jujubigdata0 Legacy library for developing Big Data charms.
5 🚫 Deprecated library, not recommended for use in new charms.	jujuresourceszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz jujuresources (docs, src)	0 PyPI	005jujuresources0 🖥️machine ☸️K8s Legacy library for loading binary resources. New charms should use ops.Model.resources.
5 🚫 Deprecated library, not recommended for use in new charms.	oci-imagezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz oci-image (src)	0 PyPI	105oci-image0 ☸️K8s Work with OCI images in podspec charms. New Kubernetes charms should use the sidecar pattern. Repo archived in March 2024.
5 🚫 Deprecated library, not recommended for use in new charms.	ops_reactive_interfacezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz ops_reactive_interface (docs, src)	0 PyPI	005ops_reactive_interface0 🖥️machine ☸️K8s Helper for interface library developers, to allow an Ops-based interface library to interact with legacy, reactive charms.
5 🚫 Deprecated library, not recommended for use in new charms.	sborlzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz sborl (src)	0 PyPI	005sborl0 🖥️machine ☸️K8s Legacy library for implementing interface libraries. New interface libraries can use the typed relation data feature available in Ops 2.23+.
5 🚫 Deprecated library, not recommended for use in new charms.	serialized-data-interfacezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz serialized-data-interface (src)	0 PyPI	005serialized-data-interface0 🖥️machine ☸️K8s Relation data validation – use the features available in Ops instead.
5 🚫 Deprecated library, not recommended for use in new charms.	data_platform_libs.data_modelszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz data_platform_libs.data_models (src)	2 Charmhub	005data_models2 🖥️machine ☸️K8s pydantic-based typed relation data – unnecessary with Ops 2.23+ due to the addition of typed relation data.
5 🚫 Deprecated library, not recommended for use in new charms.	data_platform_libs.data_secretszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz data_platform_libs.data_secrets (src)	2 Charmhub	005data_secrets2 🖥️machine ☸️K8s Secrets-related helpers for interfaces. Deprecated in favour of the data-platform-libs.data_inferfaces interface lib.
5 🚫 Deprecated library, not recommended for use in new charms.	data_platform_libs.upgradezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz data_platform_libs.upgrade (src)	2 Charmhub	005upgrade2 🖥️machine ☸️K8s Manage in-place upgrades. Deprecated in favour of charm-refresh.
5 🚫 Deprecated library, not recommended for use in new charms.	harness_extensions.capture_eventszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz harness_extensions.capture_events (src)	2 Charmhub	005capture_events2 🖥️machine ☸️K8s Helper for legacy harness tests. New charms should write state-transition tests with ops[testing] instead.
5 🚫 Deprecated library, not recommended for use in new charms.	harness_extensions.evt_sequenceszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz harness_extensions.evt_sequences (src)	2 Charmhub	005evt_sequences2 🖥️machine ☸️K8s Helper for legacy harness tests. New charms should write state-transition tests with ops[testing] instead.
5 🚫 Deprecated library, not recommended for use in new charms.	observability_libs.juju_topologyzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz observability_libs.juju_topology (src)	2 Charmhub	005juju_topology2 🖥️machine ☸️K8s Deprecated in favour of cosl.juju_topology.JujuTopology.
5 🚫 Deprecated library, not recommended for use in new charms.	observability_libs.kubernetes_service_patchzzzzzzzzzzzzzzzzzzzzz observability_libs.kubernetes_service_patch (src)	2 Charmhub	105kubernetes_service_patch2 ☸️K8s Deprecated in favour of ops.Unit.set_ports.
5 🚫 Deprecated library, not recommended for use in new charms.	operator_libs_linux.dnfzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz operator_libs_linux.dnf (src)	2 Charmhub	015dnf2 🖥️machine Use dnf to install and manage packages – modern charms all run on Ubuntu, so this shouldn’t be needed.
5 🚫 Deprecated library, not recommended for use in new charms.	tempo_coordinator_k8s.charm_tracingzzzzzzzzzzzzzzzzzzzzzzzzzzzzz tempo_coordinator_k8s.charm_tracing (src)	2 Charmhub	005charm_tracing2 🖥️machine ☸️K8s Provided by the tempo-coordinator-k8s charm. Consider using ops[tracing] instead.
5 🚫 Deprecated library, not recommended for use in new charms.	tempo_k8s.charm_tracingzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz tempo_k8s.charm_tracing (src)	2 Charmhub	005charm_tracing2 🖥️machine ☸️K8s Deprecated in favour of the tempo-coordinator-k8s charm’s libs. New charms should use ops[tracing] for tracing charm code instead.