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v0.3.0 [2018-08-29] Michael Granger [email protected]

Enhancements:

  • Add a run_once command for testing monitors
  • Acking an already acked node transitions the node to disabled.
  • Add raw formatting for YAML and JSON to the tree command.
  • Optionally continue attempting to ack/clear nodes if some are invalid.
  • Expose socket batch size to configurability.

Fixes:

  • Use the proper exception when raising errors from the client, instead of RuntimeError.

v0.2.0 [2018-08-08] Michael Granger [email protected]

Breaking:

  • Collapse startup event into the heartbeat event
  • Rename some actions in the Tree API for clarity
    • Rename list to fetch
    • Rename fetch to search
  • Don't let #add_node automatically replace nodes with the same identifier, instead leaving the remove step to the caller.

Enhancements:

  • Add acknowledgement changes to delta events.
  • Add batching to the socket monitor
  • Add a --path argument to the 'tree' command, that displays parents to the root when specified.
  • Add a DSL method for returning a Client singleton.
  • Provide a way to disable colors for misbehaving terms.
  • Allow ack/unack on the root node to quiet and re-enable the tree.
  • Retain the previous time a node's status changed, for easy time deltas between state transitions.
  • Add the node type as additional metadata to node events.
  • Add node parent to the default node event class, stick to symbols for hash keys.
  • Allow "OR-ing" of statuses/identifiers/types when matching.
  • Make the default node search return all nodes All nodes in the tree are returned by default now. You can omit unreachable nodes with the exclude_down option/method.
  • Add a warning state to nodes
  • Add an optional 'hostname' label to the host node DSL. This is a convenience matcher for selecting by host, since identifiers are designed to be opaque, and description fields are more human readable.
  • Add a configurable default splay for all instantiated Monitors.
  • Allow separate monitors to run in parallel.
  • Make ack friendlier for batch updates, prompt for missing values.
  • Add a 'summary' command, for quick display of existing problems.
  • Use the uid instead of gecos for default ack sender.
  • Add a "reset" command to the client.
  • Add wildcard matching to node events.
  • Add introspection on secondary dependencies to the Tree API
  • Add an ack command
  • Convert to CZTop for ZeroMQ
  • Add a block to Node.parent_type to allow for more-expressive declarations
  • Normalize and emit better error messages from client commands.

Bugfixes:

  • Fix behavior for child nodes whose parent transitions from 'down' to 'warn'.
  • Don't make loading config conditional, so loading config path from ENV works as intended.
  • Propagate ack and unack events to parent nodes.
  • Keep the observer daemon running if observer action blocks raise exceptions.
  • Throw a client error if attempting to graft over a pre-existing node.
  • Re-arrange constants to avoid Ruby 2.4 refinement warnings. Lower debug output when loading nodes.
  • Fix the signature of Arborist::Client#fetch It was defaulting trailing-hash arguments to options, which made the typical case of fetching with only criteria awkward. This makes the atypical case (fetching with options but empty criteria) the awkward case instead.

v0.1.0 [2017-01-01] Michael Granger [email protected]

Initial release.