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@hush-hush hush-hush released this 25 Oct 15:55
6.6.0
6f2d901

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Changes

Prelude

Release on: 2018-10-25

New Features

  • Disk check support for the puppy agent on unix-like systems
  • Support for the upcoming cluster-agent cluster-level checks feature,
    via the clusterchecks config provider
  • Add a new CRI core check that will send metrics about resource usage
    of your containers via the Container Runtime Interface.
  • Support SysVinit on Debian note: some warnings can appear if you
    enable/disable the agent manually on a systemd system. They can be
    safely ignored
  • The datadog-agent integration install command will now check for
    compatibility with datadog-checks-base shipped with the agent. In
    case of mismatch, it will try to rollback to the previously
    installed integration version and exit with a failure.
  • Add --in-toto flag to datadog-agent integration command to
    enable in-toto
  • Add --verbose flag to datadog-agent integration command to
    enable verbose logging on pip and TUF
  • Docker image: running with a read-only root filesystem is now
    supported

Enhancement Notes

  • Add a setting to configure the interval at which configs should be
    polled for autodiscovery.
  • Support a new config option, site, that allows setting the Datadog
    site to which the Agent should send data. dd_url is still
    supported and, when set, overrides site.
  • Display a warning in the agent status when too many logs are being
    tailed and the agent is not tailing them all. This happens with
    wildcards in path of the tailed files
  • Dogstatsd supports removing the hostname on events and services
    checks as it did with metrics, by adding an empty host: tag
  • Added new dogstatsd_tags variable which can be used to specify
    additional tags to append to all metrics received by dogstatsd.
  • dogstatsd cleans up stale UNIX socket on startup.
  • The ecs-agent's docker container name can now be set via the
    ecs_agent_container_name option or the
    DD_ECS_AGENT_CONTAINER_NAME envvar for autodetection.
  • EKS pause containers are ignored by default
  • All python and go checks support the new empty_default_hostname
    option to send metrics with no hostname. This is used for
    cluster-level checks
  • All go checks now support the min_collection_interval option, as
    python check already do
  • Added a kubelet_wait_on_missing_container option to handle hosts
    where the kubelet's podlist is slow to update, leading to missing
    tags or failing Autodiscovery. Set it to 1 for a 1 second maximum
    wait
  • Add an option to enable protobuf communication with the Kubernetes
    apiserver
  • datadog-agent integration command will not pull any of the
    integration's dependencies
  • More accurate tag extraction logic for Docker Swarm
  • Added new command line properties to the Windows installer which
    allow for setting site specific configuration.

Bug Fixes

  • Fix an issue preventing the exit logs of the agent from displaying
    the correct filename.
  • Fix bug that occurs when checks labels/annotation are misconfigured
    and would prevent the logs of the container to be tailed
  • Fix an issue causing the agent to stop when systemd-journald service
    is stopped or fails
  • Fix deadlock when an config item under logs is invalid
  • Fix system.mem.pct_usable implementation on Linux 3.14+ to match
    Datadog Agent 5
  • Fix a potential race in the autodiscovery where a service would be
    removed before its config could be resolved (causing the agent to
    crash)
  • Fixes crash on Windows when the agent encounters a malformed
    performance counter database
  • Fixes config.Digest that was not stable depending on the oder of
    tags in the instance. It also did not take into account LogsConfig,
    this is fixed as well.
  • Fix an issue where the log agent would prevent files from being log
    rotated on Windows
  • Correctly pass the agent's proxy settings to pip when using the
    datadog-agent integration command with TUF enabled.
  • Recover from errors when connection to the docker socket is lost to
    continue tailing containers.
  • When installing / updating wheels using the
    datadog-agent integration command, we replace the PyPI index with
    our own by default, in order to prevent accidental installation of
    Datadog or even third-party packages from PyPI.
  • Remove some undocumented power user options to the
    datadog-agent integration command to prevent accidental
    misconfiguration that may reduce security guarantees.

Other Notes

  • JMXFetch upgraded to 0.21.0; Adds support for rmi registry
    connection over SSL and client authentication.
  • Use autodiscovery in log-agent kubernetes integration
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