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@hush-hush hush-hush released this 02 Aug 20:11
6.4.1
00f5d0b
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Learn about vigilant mode.

Docker, Windows, Linux

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Changes

Prelude

Release on: 2018-08-01

New Features

  • Create packaging for google cloud launcher integration.
  • Add options to exclude specific payloads from being sent to Datadog.
    In some environments, some of the gathered information is considered
    too sensitive to be sent to Datadog (i.e. IP addresses in events or
    service checks). This feature adds to option to exclude specific
    payload types from being sent to the backend.
  • Collect container disk metrics less often in the docker check,
    decreasing its effect on performance when enabled.
  • Autodiscovery now supports the %%hostname%% tag on the docker
    listener This tag will resolve to the containers' hostname value if
    present in the container inspect. It is useful if the container IP
    is not available or erroneous.
  • Dogstatsd origin detection now supports container tagging for
    Kubernetes clusters running containerd or cri-o, in addition to the
    existing docker support
  • This release ships full support of Kubernetes 1.3+
  • OpenShift ClusterResourceQuotas metrics are now collected by the
    kube_apiserver check, under the openshift.clusterquota.* and
    openshift.appliedclusterquota.* names.
  • Display the version for Python checks on the status page.

Enhancement Notes

  • Adding DD_EXPVAR_PORT to the configuration environment variables.
  • On Windows, Specifically log to both the log file and the event
    viewer what initiated an agent shutdown. Also logs specific startup
    errors to both the log file and event viewer.
  • The embedded Python has been bumped from 2.7.14 to 2.7.15
  • Agent expvar metrics now have default values. Metrics like the
    number of packets dropped by the agent or errors were previously not
    reported until a first event occurred. This should make it easier to
    use the expvar configuration agent_stats.yaml.
  • Proxy settings can be configured through the environment variables
    DD_PROXY_HTTP, DD_PROXY_HTTPS and DD_PROXY_NO_PROXY. These
    environment variables take precedence over the proxy options
    configured in datadog.yaml, and behave exactly the same way as
    these options. The standard HTTP_PROXY, HTTPS_PROXY and
    NO_PROXY are still honored but have known side effects on
    integrations, for simplicity we recommended using the new
    environment variables. For more information, please refer to our
    proxy docs
  • Update to distribution metrics algorithm with improved accuracy
  • Added ECS pause containers to the default docker exclusion list
  • Adding logging for when the agent fails to detect the origin of a
    packet in dogstatsd socket mode because of namespace issues.
  • The skip_ssl_validation configuration option can now be set
    through the related DD_SKIP_SSL_VALIDATION env var
  • The Agent will log failed healthchecks on query and during exit
  • On Windows, provides installation parameter to set the cmd_port,
    the port on which the agent command interface runs. To be used if
    the default (5001) is already used by another program.
  • The kube_service tag is now collected on Kubernetes 1.3.x versions.
    The matching uses a new logic. If it were to fail, reverting to the
    previous logic is possible by setting the
    kubernetes_map_services_on_ip option to true.
  • The Kubernetes event collection timeout is now configurable
  • Logs Agent: Added SOCKS5 proxy support. Use
    logs_config: socks5_proxy_address: fqdn.example.com:port to set
    the proxy.
  • The diagnose output is now sorted by the diagnosis name
  • Adding the status of the DCA (If enabled) in the Agent status
    command.

Upgrade Notes

  • If the environment variables that can be used to configure a proxy
    (DD_PROXY_HTTP, DD_PROXY_HTTPS, DD_PROXY_NO_PROXY,
    HTTP_PROXY, HTTPS_PROXY and NO_PROXY) are present with an
    empty value (e.g. HTTP_PROXY=""), the Agent now uses this empty
    value instead of ignoring it and using lower-precedence options.

Deprecation Notes

  • Begin deprecating "Agent start" command. It is being replaced by
    "run". The "start" command will continue to function, with a
    deprecation notice

Security Issues

  • 'app_key' value from the configuration is now redacted when
    creating a flare with the agent.

Bug Fixes

  • Fixes presence of invalid UTF-8 characters when docker log message
    is greater than 16Kb
  • Fix a possible agent crash due to a race condition in the auto
    discovery.
  • Fixed an issue with jmxfetch not being killed on agent exit.
  • Errors logged before the agent initialized the log module are now
    printed on STDERR instead of being silenced.
  • Detect and handle Docker messages without header.
  • Fixes installation, packaging scripts for OpenSUSE LEAP and greater.
  • In the event of being unable to lock the dd-agent user (eg. dd-agent
    is an LDAP user) during installation, do not fail; print relevant
    warning.
  • The leader election process is now restarted if the leader stops
    leading.
  • Avoid Linux package installation failures when both the initctl
    and systemctl commands are present but upstart is used as the init
    system

Other Notes

  • The system information collected from gohai no longer includes
    network information when the agent is running in a container since
    the network information is for the the container and not the host
    itself.
  • The ntp check now runs every 15 minutes by default to avoid
    over-loading the NTP server pools
  • Added new command "run" to the agent. This command replaces the
    "start" command, to reduce ambiguity with the service lifecycle
    commands
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