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@albertvaka albertvaka released this 30 Apr 12:33
7.19.0
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Learn about vigilant mode.

Prelude

Release on: 2020-04-30

Upgrade Notes

  • Default logs-agent to use HTTPS with compression when possible.
    Starting from this version, the default transport is HTTPS with compression instead of TCP.
    The usage of TCP is kept in the following cases:

    • logs_config.use_tcp is set to true
    • logs_config.socks5_proxy_address is set, because socks5 proxies are not yet supported in HTTPS with compression
    • HTTPS connectivity test has failed: at agent startup, an HTTPS test request is sent to determine if HTTPS can be used

    To force the use of TCP or HTTPS with compression, logs_config.use_tcp or logs_config.use_http can be set to true, respectively.

New Features

  • The Agent is now available on Chocolatey for Windows

  • Add --full-sketches option to agent check command that displays bins information

  • Support logs collection from Kubernetes log files with old Kubernetes versions (< v1.10).

  • Expose the new JMXFetch rate with metrics method to test JMX based checks.

  • The ac_include and ac_exclude auto-discovery parameters now support the
    kube_namespace: prefix to collect or discard logs and metrics for whole namespaces
    in addition to the name: and image: prefixes to filter on container name and image name.

  • EKS Fargate containers now appear in the live containers view.
    All processes running inside the EKS Fargate Pod appear in the live processes view
    when shareProcessNamespace is enabled in the Pod Spec.

  • Add the ability to change log_level at runtime. The agent command
    has been extended to support new operation. For example to set
    the log_level to debug the following command should be used:
    agent config set log_level debug, all runtime-configurable
    settings can be listed using agent config list-runtime. The
    log_level may also be fetched using the agent config get log_level
    command. Additional runtime-editable setting can easily be added
    by following this implementation.

  • The system-probe classifies UDP connections as incoming or outgoing.

Enhancement Notes

  • Adds a new config option to the systemd core check. It adds the ability to provide a custom
    mapping from a unit substate to the service check status.

  • The systemd core check now collects and submits the systemd version as check metadata.

  • Add host_provider_id tag to Kubernetes events; for AWS instances this is unique in
    contrast to the Kubernetes nodename currently provided with the host tag.

  • On Windows, now reports system.io.r_await and system.io.w_await.
    Metrics are reported from the performance monitor "Avg. Disk sec/Read" and
    "Avg. Disk sec/Write" metrics.

  • Allow setting is_jmx at the instance level, thereby enabling integrations
    to utilize JMXFetch and Python/Go.

  • The authentication token file is now only created
    when the agent is launched with the agent start command
    It prevents command such as agent status to create
    an authentication token file owned by a wrong user.

  • Count of successful DNS responses are tracked for each connection.

  • Network information is collected when the agent is running in docker (host mode only).

  • Make sure we don't recognize sha256:... as a valid image name and add fallback to
    .Config.Image in case it's impossible to map sha256:... to a proper image name

  • Extract env, version and service tags from Docker containers

  • Extract env, version and service tags from ECS Fargate containers

  • Extract env, version and service tags from kubelet

  • Log configurations of type file now accept a new parameter that allows
    to specify whether a log shall be tailed from the beginning
    or the end. It aims to allow whole log collection, including
    events that may occur before the agent first starts. The
    parameter is named start_position and it can be set to
    end or beginning, the default value is end.

  • Resolve Docker image name using config.Image in the case of multiple image RepoTags

  • The agent configcheck command output now scrubs sensitive
    data and prevents API keys, password, token, etc. to
    appear in the console.

  • Errors that arise while loading checks configuration
    files are now send with metadata along with checks
    loading errors and running errors so they will show
    up on the infrastructure list in the DataDog app.

  • Remove cgroup deps from Docker utils, allows to implement several backends for Docker utils (i.e. Windows)

Bug Fixes

  • On Windows, for Python3, add additional C-runtime DLLs to fix missing dependencies (notably for jpype).

  • Fix 'check' command segfault when running for more than 1 hour (which could
    happen when using the '-b' option to set breakpoint).

  • Fix panic due to concurrent map access in Docker AD provider

  • Fix the flare command not being able to be created for the non-core agents (trace,
    network, ...) when running in a separated container, such as in Helm. A new
    option, --local, has been added to the flare command to force the
    creation of the archive using the local filesystem and not the one where
    the core agent process is in.

  • Fix logs status page section showing port '0' being used when using the
    default HTTPS URL. The status page now show 443.

  • Fix S6 behavior when the core agent dies.
    When the core agent died in a multi-process agent container managed by S6,
    the container stayed in an unhealthy half dead state.
    S6 configuration has been modified so that it will now exit in case of
    core agent death so that the whole container will exit and will be restarted.

  • On Windows, fixes Process agent memory leak when obtaining process arguments.

  • When a DNS name with ".local" is specifed in the parameter DDAGENTUSER_NAME, the correctly finds the corresponding domain.

  • Fix an issue where conf.yaml.example can be missing from Add a check menu in the Web user interface.

  • process-agent and system-probe now clean up their PID files when exiting.

  • When the HTTPS transport is used to send logs, send the sourcecategory as the sourcecategory: tag
    instead of ddsourcecategory:, for consistency with other transports.

Other Notes

  • All Agents binaries are now compiled with Go 1.13.8

  • JMXFetch upgraded to 0.36.1. See 0.36.1 <https://github.com/DataDog/jmxfetch/releases/0.36.1>_
    and 0.36.0 <https://github.com/DataDog/jmxfetch/releases/0.36.0>_

  • The statsd_metric_namespace option now ignores the following metric
    prefixes: airflow, confluent, hazelcast, hive, ignite,
    jboss, sidekiq

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