Pacemaker 3.0.1 - Final

Pacemaker-3.0.1 (07 Aug 2025)

• 775 commits with 283 files changed, 11592 insertions(+), 7745 deletions(-)

Known regressions introduced in this release

• xml_acl_filtered_copy() returns false for NULL source (fixed in 3.0.2-rc1)

Features added since Pacemaker-3.0.0

• daemons: Convert all daemons to support large IPC messages.
• daemons: Enable TLS support for Pacemaker Remote nodes.
• daemons: Set up X509 auth in based if enabled.
• libcib: Enable TLS certs for remote CIB operations.
• libcrmcommon: Add flags for multipart messages.
• libcrmcommon: Support large IPC messages and server events.
• liblrmd: Enable TLS support for Pacemaker Remote clients.
• libpacemaker: Reset scheduler object in pcmk_simulate()
• libs: Log if a TLS certificate is close to expiration.
• sysconfig: Add env settings needed for X509 authentication.
• sysconfig: Document using certificates for remote nodes.
• tools: Deprecate cibadmin --sync-call

Fixes since Pacemaker-3.0.0

• build: Various minor fixes to static analysis checks
• docs: Improve tables and indexing throughout documentation.
• build: Fix default pacemaker-remoted path on Fedora >= 42
• controller: avoid memory leak when updating join phase
• crmadmin: return error if DC is not elected
• libcib: Don't match element based on XPath matching an attribute
• libcib: Don't send CRM_OP_REGISTER from cib_remote client
• libcrmcluster: prevent external callers from triggering assertion when connecting to cluster
• libcrmcluster: restore CPG header size compatibility
• libcrmcommon: Add retries on connect to avoid fatal errors
• libcrmcommon: Elements should never match if IDs differ
• libcrmcommon: provide a description for pcmk_rc_no_dc return code
• libcrmcommon: Sort schema transformations on non-glibc systems
• libcrmservice: consider a monitor pending if LoadUnit receives no reply from systemd
• libpacemaker: Prevent CIB growth during crm_simulate --profile
• libpacemaker: set fail-count to INFINITY for fatal failures
• libpe_status: consider parents of an unmanaged resource active on the node
• libpe_status: Make cluster_status() idempotent
• pacemaker-attrd: make a peer learn our node name once it has joined
• pacemaker-attrd: prevent segfault if a peer leaves when its name is unknown yet
• pacemaker-attrd: remember names of peers from attribute update in case unknown
• scheduler: avoid memory leak in bundles
• scheduler: avoid memory leak when freeing node copies
• tools: Avoid crash in crm_simulate --profile
• tools: validate stonith_admin --timeout value
• various: Correctly detect completion of systemd start/stop actions
• xml: Ensure ACL permissions are valid after XSL transformations
• xml: Preserve ACL reference behavior for replaced constraints

Public API changes since Pacemaker-3.0.0

• fencer: Don't automatically pass nodeid as parameter
• libcrmcommon: add pcmk_common_cleanup()
• libcrmcommon: add pcmk_free_scheduler()
• libcrmcommon: add pcmk_new_scheduler()
• libcrmcommon: add pcmk_reset_scheduler()
• libcrmcommon: Deprecate crm_foreach_xpath_result()
• libcrmcommon: Deprecate crm_ipc_compressed.
• libcrmcommon: Deprecate dedupXpathResults()
• libcrmcommon: Deprecate freeXpathObject()
• libcrmcommon: Deprecate getXpathResult()
• libcrmcommon: Deprecate get_xpath_object()
• libcrmcommon: Deprecate max_size parameter to mainloop_add_ipc_client.
• libcrmcommon: Deprecate numXpathResults()
• libcrmcommon: Deprecate pcmkXmlStr
• libcrmcommon: Deprecate xml_accept_changes()
• libcrmcommon: Deprecate xml_calculate_changes()
• libcrmcommon: Deprecate xml_calculate_significant_changes()
• libcrmcommon: Deprecate xml_document_dirty()
• libcrmcommon: Deprecate xml_tracking_changes()
• libcrmcommon: Deprecate xml_track_changes()
• libcrmcommon: Deprecate xpath_search()
• libcrmcommon: Ignore the max_size parameter in crm_ipc_new.
• libcrmcommon: Introduce the pcmk_rc_ipc_more error code.
• libcrmcommon: Map pcmk_rc_cib_corrupt to CRM_EX_CONFIG.
• liblrmd: Ignore provider for stonith-class resource metadata calls
• libpacemaker: Document that pcmk_fence_installed() ignores timeout
• libpe_rules,libpe_status: deprecate crm/pengine/common.h header
• libpe_rules,libpe_status: deprecate struct pe_match_data and pe_match_data_t
• libpe_rules,libpe_status: deprecate struct pe_op_eval_data and pe_op_eval_data_t
• libpe_rules,libpe_status: deprecate struct pe_re_match_data and pe_re_match_data_t
• libpe_rules,libpe_status: deprecate struct pe_rsc_eval_data and pe_rsc_eval_data_t
• libpe_rules,libpe_status: deprecate struct pe_rule_eval_data and pe_rule_eval_data_t
• libpe_rules: deprecate crm/pengine/rules.h header
• libpe_rules: deprecate pe_eval_nvpairs()
• libpe_rules: deprecate pe_unpack_nvpairs()
• libpe_status: deprecate cleanup_calculations()
• libpe_status: deprecate pe_free_working_set()
• libpe_status: deprecate pe_new_working_set()
• libpe_status: deprecate pe_reset_working_set()
• libpe_status: deprecate set_working_set_defaults()
• libstonithd: Deprecate enum op_state and its values
• libstonithd: Deprecate enum stonith_call_options and its values
• libstonithd: Deprecate enum stonith_namespace and its values
• libstonithd: Deprecate enum stonith_state
• libstonithd: Deprecate stonith_action_str()
• libstonithd: Deprecate stonith_agent_exists()
• libstonithd: Deprecate stonith_api_connect_retry()
• libstonithd: Deprecate stonith_api_delete()
• libstonithd: Deprecate stonith_api_new()
• libstonithd: Deprecate stonith_api_operations_t
• libstonithd: Deprecate stonith_callback_data_t
• libstonithd: Deprecate stonith_dispatch()
• libstonithd: Deprecate stonith_dump_pending_callbacks()
• libstonithd: Deprecate stonith_event_t and struct stonith_event_s
• libstonithd: Deprecate stonith_get_namespace()
• libstonithd: Deprecate stonith_history_free()
• libstonithd: Deprecate stonith_history_t
• libstonithd: Deprecate stonith_key_value_add()
• libstonithd: Deprecate stonith_key_value_freeall()
• libstonithd: Deprecate stonith_key_value_t
• libstonithd: Deprecate stonith_namespace2text()
• libstonithd: Deprecate stonith_op_state_str()
• libstonithd: Deprecate stonith_t and struct stonith_s
• libstonithd: Deprecate stonith_text2namespace()
• libstonithd: Ignore namespace_s in stonith API metadata method
• libstonithd: Ignore namespace_s in stonith API validate method
• Python: add PACEMAKER_CONFIG_DIR to BuildOptions