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datadog_agent

Install the Datadog monitoring agent and report Puppet runs to Datadog
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Version information

  • 3.22.0 (latest)
  • 3.21.0
  • 3.20.0
  • 3.19.0
  • 3.18.0
  • 3.17.0
  • 3.16.0
  • 3.15.0
  • 3.14.0
  • 3.13.0
  • 3.12.0
  • 3.11.0
  • 3.10.0
  • 3.9.0
  • 3.8.0
  • 3.7.0
  • 3.6.0
  • 3.5.0
  • 3.4.0
  • 3.3.0
  • 3.2.0
  • 3.1.0
  • 3.0.0
  • 2.10.0
  • 2.9.0
  • 2.8.0
  • 2.7.0
  • 2.6.0
  • 2.5.0
  • 2.4.1
  • 2.4.0
  • 2.3.0
  • 2.2.0
  • 2.1.1
  • 2.1.0
  • 2.0.1
  • 2.0.0
  • 1.12.1
  • 1.12.0
  • 1.11.0
  • 1.10.0
  • 1.9.0
  • 1.8.1
  • 1.8.0
  • 1.7.1
  • 1.7.0
  • 1.6.0
  • 1.5.0
  • 1.4.0
  • 1.3.0
  • 1.2.0
  • 1.1.1
  • 1.1.0
  • 1.0.1
  • 1.0.0
  • 1.0.0-rc4 (pre-release)
  • 1.0.0-rc3 (pre-release)
  • 1.0.0-rc2 (pre-release)
  • 1.0.0-rc1 (pre-release)
released Nov 15th 2023
This version is compatible with:
  • Puppet Enterprise 2023.2.x, 2023.1.x, 2023.0.x, 2021.7.x, 2021.6.x, 2021.5.x, 2021.4.x, 2021.3.x, 2021.2.x, 2021.1.x, 2021.0.x, 2019.8.x, 2019.7.x, 2019.5.x, 2019.4.x, 2019.3.x, 2019.2.x, 2019.1.x, 2019.0.x, 2018.1.x, 2017.3.x, 2017.2.x, 2017.1.x, 2016.5.x, 2016.4.x
  • Puppet >=4.6.0 <8.0.0
  • , , , , , , , , , , ,

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'datadog-datadog_agent', '3.22.0'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add datadog-datadog_agent
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install datadog-datadog_agent --version 3.22.0

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.

Download

Documentation

datadog/datadog_agent — version 3.22.0 Nov 15th 2023

Datadog Puppet Module

This module installs the Datadog Agent and sends Puppet reports to Datadog.

Requirements

The Datadog Puppet module supports Linux and Windows and is compatible with Puppet >= 4.6.x or Puppet Enterprise version >= 2016.4. For detailed information on compatibility, check the module page on Puppet Forge.

Installation

Install the datadog_agent Puppet module in your Puppet master's module path:

puppet module install datadog-datadog_agent

Upgrading

  • By default Datadog Agent v7.x is installed. To use an earlier Agent version, change the setting agent_major_version.
  • agent5_enable is no longer used, as it has been replaced by agent_major_version.
  • agent6_extra_options has been renamed to agent_extra_options since it applies to both Agent v6 and v7.
  • agent6_log_file has been renamed to agent_log_file since it applies to both Agent v6 and v7.
  • agent5_repo_uri and agent6_repo_uri become agent_repo_uri for all Agent versions.
  • conf_dir and conf6_dir become conf_dir for all Agent versions.
  • The repository file created on Linux is named datadog for all Agent versions instead of datadog5/datadog6.

Configuration

Once the datadog_agent module is installed on your puppetserver/puppetmaster (or on a masterless host), follow these configuration steps:

  1. Obtain your Datadog API key.

  2. Add the Datadog class to your node manifests (eg: /etc/puppetlabs/code/environments/production/manifests/site.pp).

    class { 'datadog_agent':
    api_key => "<YOUR_DD_API_KEY>",
}

    If using a Datadog site other than the default 'datadoghq.com', set it here as well:

    class { 'datadog_agent':
    api_key => "<YOUR_DD_API_KEY>",
    datadog_site => "datadoghq.eu",
}

    For CentOS/RHEL versions <7.0 and for Ubuntu < 15.04, specify the service provider as upstart:

    class { 'datadog_agent':
    api_key => "<YOUR_DD_API_KEY>",
    service_provider => 'upstart'
}

    See the Configuration variables section for list of arguments you can use here.

  3. (Optional) Include any integrations you want to use with the Agent. The following example installs the mongo integration:

    class { 'datadog_agent::integrations::mongo':
    # integration arguments go here
}

    See the comments in code for all arguments available for a given integration.

    If an integration does not have a manifest with a dedicated class, you can still add a configuration for it. Below is an example for the ntp check:

    class { 'datadog_agent':
    api_key      => "<YOUR_DD_API_KEY>",
    integrations => {
        "ntp" => {
            init_config => {},
            instances => [{
                offset_threshold => 30,
            }],
        },
    },
}

  4. (Optional) To collect metrics and events about Puppet itself, see the section about Reporting.

Upgrading integrations

To install and pin specific integration versions, use datadog_agent::install_integration. This calls the datadog-agent integration command to ensure a specific integration is installed or uninstalled, for example:

datadog_agent::install_integration { "mongo-1.9":
    ensure => present,
    integration_name => 'datadog-mongo',
    version => '1.9.0',
    third_party => false,
}

The ensure argument can take two values:

  • present (default)
  • absent (removes a previously pinned version of an integration)

To install a third-party integration (eg: from the marketplace) set the third_party argument to true.

Note it's not possible to downgrade an integration to a version older than the one bundled with the Agent.

Reporting

To enable reporting of Puppet runs to your Datadog timeline, enable the report processor on your Puppet master and reporting for your clients. The clients send a run report after each check-in back to the master.

  1. Set the puppet_run_reports option to true in the node configuration manifest for your master:

    class { 'datadog-agent':
  api_key            => '<YOUR_DD_API_KEY>',
  puppet_run_reports => true
  # ...
}

    The dogapi gem is automatically installed. Set manage_dogapi_gem to false if you want to customize the installation.

  2. Add these configuration options to the Puppet master config (eg: /etc/puppetlabs/puppet/puppet.conf):

    [main]
# No modification needed to this section
# ...

[master]
# Enable reporting to Datadog
reports=datadog_reports
# If you use other reports, add datadog_reports to the end,
# for example: reports=store,log,datadog_reports
# ...

[agent]
# ...
report=true

With the ini_setting module:

  ini_setting { 'puppet_conf_master_report_datadog_puppetdb':
    ensure  => present,
    path    => '/etc/puppetlabs/puppet/puppet.conf',
    section => 'master',
    setting => 'reports',
    value   => 'datadog_reports,puppetdb',
    notify  => [
      Service['puppet'],
      Service['puppetserver'],
    ],
  }

  1. On all of your Puppet client nodes, add the following in the same location:

    [agent]
# ...
report=true

With the ini_setting module:

  ini_setting { 'puppet_conf_agent_report_true':
    ensure  => present,
    path    => '/etc/puppetlabs/puppet/puppet.conf',
    section => 'agent',
    setting => 'report',
    value   => 'true',
    notify  => [
      Service['puppet'],
    ],
  }

  1. (Optional) Enable tagging of reports with facts:

    You can add tags to reports that are sent to Datadog as events. These tags can be sourced from Puppet facts for the given node the report is regarding. These should be 1:1 and not involve structured facts (hashes, arrays, etc.) to ensure readability. To enable regular fact tagging, set the parameter datadog_agent::reports::report_fact_tags to the array value of facts—for example ["virtual","operatingsystem"]. To enable trusted fact tagging, set the parameter datadog_agent::reports::report_trusted_fact_tags to the array value of facts—for example ["certname","extensions.pp_role","hostname"].

    NOTE: Changing these settings requires a restart of pe-puppetserver (or puppetserver) to re-read the report processor. Ensure the changes are deployed prior to restarting the service(s).

    Tips:

    • Use dot index to specify a target fact; otherwise, the entire fact data set becomes the value as a string (not very useful)
    • Do not duplicate common data from monitoring like hostname, uptime, memory, etc.
    • Coordinate core facts like role, owner, template, datacenter, etc., that help you build meaningful correlations to the same tags from metrics

  2. Verify your Puppet data is in Datadog by searching for sources:puppet in the Event Stream.

NPM setup

To enable the Datadog Agent Network Performance Monitoring (NPM) features follow these steps:

  1. (Windows only) If the Agent is already installed, uninstall it by passing win_ensure => absent to the main class and removing other classes' definitions.
  2. (Windows only) Pass the windows_npm_install option with value true to the datadog::datadog_agent class. Remove win_ensure if added on previous step.
  3. Use the datadog_agent::system_probe class to properly create the configuration file:
class { 'datadog_agent::system_probe':
    network_enabled => true,
}

USM setup

To enable the Datadog Agent Universal Service Monitoring (USM) use the datadog_agent::system_probe class to properly create the configuration file:

class { 'datadog_agent::system_probe':
    service_monitoring_enabled => true,
}

Troubleshooting

You can run the Puppet Agent manually to check for errors in the output:

```shell
sudo systemctl restart puppetserver
sudo puppet agent --onetime --no-daemonize --no-splay --verbose
```

 Example response:

```text
info: Retrieving plugin
info: Caching catalog for alq-linux.dev.datadoghq.com
info: Applying configuration version '1333470114'
notice: Finished catalog run in 0.81 seconds
```

If you see the following error, ensure reports=datadog_reports is defined in [master], not [main].

```text
err: Could not send report:
Error 400 on SERVER: Could not autoload datadog_reports:
Class Datadog_reports is already defined in Puppet::Reports
```

If you don't see any reports coming in, check your Puppet server logs.

Masterless Puppet

  1. The Datadog module and its dependencies have to be installed on all nodes running masterless.

  2. Add this to each node's site.pp file:

    class { "datadog_agent":
    api_key            => "<YOUR_DD_API_KEY>",
    puppet_run_reports => true
}

  3. Run puppet in masterless configuration:

    puppet apply --modulepath <path_to_modules> <path_to_site.pp>

Tagging client nodes

The Datadog Agent configuration file is recreated from the template every Puppet run. If you need to tag your nodes, add an array entry in Hiera:

datadog_agent::tags:
- 'keyname:value'
- 'anotherkey:%{factname}'

To generate tags from custom facts classify your nodes with Puppet facts as an array to the facts_to_tags paramter either through the Puppet Enterprise console or Hiera. Here is an example:

class { "datadog_agent":
  api_key            => "<YOUR_DD_API_KEY>",
  facts_to_tags      => ["os.family","networking.domain","my_custom_fact"],
}

Tips:

  1. For structured facts index into the specific fact value otherwise the entire array comes over as a string and ultimately be difficult to use.
  2. Dynamic facts such as CPU usage, Uptime, and others that are expected to change each run are not ideal for tagging. Static facts that are expected to stay for the life of a node are best candidates for tagging.

Configuration variables

These variables can be set in the datadog_agent class to control settings in the Agent. See the comments in code for the full list of supported arguments.

variable name description
agent_major_version The version of the Agent to install: either 5, 6 or 7 (default: 7).
agent_version Lets you pin a specific minor version of the Agent to install, for example: 1:7.16.0-1. Leave empty to install the latest version.
collect_ec2_tags Collect an instance's custom EC2 tags as Agent tags by using true.
collect_instance_metadata Collect an instance's EC2 metadata as Agent tags by using true.
datadog_site The Datadog site to report to (Agent v6 and v7 only). Defaults to datadoghq.com, eg: datadoghq.eu or us3.datadoghq.com.
dd_url The Datadog intake server URL. You are unlikely to need to change this. Overrides datadog_site
host Overrides the node's host name.
local_tags An array of <KEY:VALUE> strings that are set as tags for the node.
non_local_traffic Allow other nodes to relay their traffic through this node.
apm_enabled A boolean to enable the APM Agent (defaults to false).
process_enabled A boolean to enable the process Agent (defaults to false).
scrub_args A boolean to enable the process cmdline scrubbing (defaults to true).
custom_sensitive_words An array to add more words beyond the default ones used by the scrubbing feature (defaults to []).
logs_enabled A boolean to enable the logs Agent (defaults to false).
windows_npm_install A boolean to enable the Windows NPM driver installation (defaults to false).
win_ensure An enum (present/absent) to ensure the presence/absence of the Datadog Agent on Windows (defaults to present)
container_collect_all A boolean to enable logs collection for all containers.
agent_extra_options1 A hash to provide additional configuration options (Agent v6 and v7 only).
hostname_extraction_regex2 A regex used to extract the hostname captured group to report the run in Datadog instead of reporting the Puppet nodename, for example:'^(?<hostname>.*\.datadoghq\.com)(\.i-\w{8}\..*)?$'

(1) agent_extra_options is used to provide a fine grain control of additional Agent v6/v7 config options. A deep merge is performed that may override options provided in the datadog_agent class parameters. For example:

class { "datadog_agent":
    < your other arguments to the class >,
    agent_extra_options => {
        use_http => true,
        use_compression => true,
        compression_level => 6,
    },
}

(2) hostname_extraction_regex is useful when the Puppet module and the Datadog Agent are reporting different host names for the same host in the infrastructure list.