Linux
StackState Self-hosted v4.5.x
This page describes StackState v4.5.x. The StackState 4.5 version range is End of Life (EOL) and no longer supported. We encourage customers still running the 4.5 version range to upgrade to a more recent release.
StackState Agent V2
StackState Agent V2 can be installed on Linux systems running CentOS, Debian, Fedora, RedHat or Ubuntu. The Agent collects data from the host where it is running and can be configured to integrate with external systems. Retrieved data is pushed to StackState, to work with this data the StackState Agent V2 StackPack must be installed in your StackState instance. For details of the data retrieved and available integrations, see the StackPack integration documentation.
StackState Agent V2 will synchronize the following data with StackState from the Linux host it is running on:
- Hosts, processes and containers.
- Telemetry for hosts, processes and containers.
- For OS versions with a network tracer:
- Network connections between processes and containers.
- Network traffic telemetry.
StackState Agent is tested to run on the Linux versions listed below with 64bit architecture. Note that host data for network connections between processes and containers (including network traffic telemetry) can only be retrieved for OS versions with a network tracer (kernel version 4.3.0 or higher):
Platform | Minimum version | Notes |
|---|---|---|
CentOS | CentOS 6 | CentOS 6 requires Agent v2.0.2 or above. Network tracer available from CentOS 8. |
Debian | Debian 7 (Wheezy) | Debian 7 (Wheezy) requires glibc upgrade to 2.17. Network tracer available from Debian 9 (Stretch). |
Fedora | Fedora 28 | - |
RHEL | RHEL 7 | Network tracer available from RHEL 8. |
Ubuntu | Ubuntu 15.04 (Vivid Vervet) | Network tracer available from Ubuntu 16.04 (LTS) (Xenial Xerus). |
StackState Agent connects to the StackState Receiver API at the specified StackState Receiver API address. The correct address to use is specific to your installation of StackState.
StackState Agent V2 is installed using an install script.
- Online install - If you have access to the internet on the machine where the Agent will be installed.
- Offline install - If you do not have access to the internet on the machine where the Agent will be installed.
The
apiKey and baseUrl specified when running the install script are set during StackState installation, for details see:If you have access to the internet on the machine where the Agent will be installed, use one of the commands below to run the install.sh script. The Agent installer package will be downloaded automatically.
cURL
wget
curl -o- https://stackstate-agent-2.s3.amazonaws.com/install.sh | \
STS_API_KEY="{{config.apiKey}}" \
STS_URL="<stackstate-receiver-api-address>" bash
wget -qO- https://stackstate-agent-2.s3.amazonaws.com/install.sh | \
STS_API_KEY="{{config.apiKey}}" \
STS_URL="<stackstate-receiver-api-address>" bash
If you do not have access to the internet on the machine where the Agent will be installed, you will need to download both the install script and the Agent installer package before you install. You can then set the environment variable
STS_INSTALL_NO_REPO=yes and specify the path to the downloaded installer package when you run the install.sh script.- 1.Download the install script and copy this to the host where it will be installed:
- 2.Get the Key of the latest version of the Agent installer package (DEB or RPM package):
- 3.Download the Agent installer package and copy this to the host where it will be installed. The download link can be constructed from the S3 bucket URL and the installer package
Keythat is provided on the installer package list page. For example, to download the DEB installer package foragent_2.13.0-1_amd64.deb, use:https://stackstate-agent-2.s3.amazonaws.com/pool/stable/s/st/stackstate-agent_2.13.0-1_amd64.deb- DEB Download link:
https://stackstate-agent-2.s3.amazonaws.com/<Key_from_DEB_installer_package_list> - RPM Download link:
https://stackstate-agent-2-rpm.s3.amazonaws.com/<Key_from_RPM_installer_package_list>
- 4.Use the command below to set the required environment variables and run the installer script:STS_API_KEY="{{config.apiKey}}" \STS_URL="<stackstate-receiver-api-address>" \STS_INSTALL_NO_REPO=yes \./install.sh <path_to_local_Agent_installer_package>
To upgrade StackState Agent V2 on your system, stop the
stackstate-agent service and upgrade using yum or apt-get. To upgrade offline, download the Agent installer package (DEB or RPM package) and copy this to the host where it will be installed - see step 2 in the offline install instructions.yum
apt-get
# stop the Agent with one of the below commands
sudo systemctl stop stackstate-agent
sudo service stackstate-agent stop
# online Agent upgrade
sudo yum upgrade stackstate-agent
# offline Agent upgrade
sudo yum upgrade <agent_installer_package>.rpm
# stop the Agent with one of the below commands
sudo systemctl stop stackstate-agent
sudo service stackstate-agent stop
# online Agent upgrade
sudo apt-get update && apt-get upgrade stackstate-agent
# offline Agent upgrade
sudo apt-get upgrade <agent_installer_package>.deb
The StackState Agent V2 configuration is located in the file
/etc/stackstate-agent/stackstate.yaml. The apiKey and baseUrl specified during installation will be added here by the install script. No further configuration should be required, however, a number of advanced configuration options are available.StackState Agent V2 can be configured to reduce data production, tune the process blacklist, or turn off specific features when not needed. The required settings are described in detail on the page advanced Agent configuration.
The Agent can be configured to run checks that integrate with external systems. Configuration files for integrations run through StackState Agent V2 can be found in the directory
/etc/stackstate-agent/conf.d/. Each integration has its own configuration file that is used by the associated Agent check.Documentation for the available StackState integrations, including configuration details can be found on the StackPacks > Integrations pages.
The Agent can be configured to use a proxy for HTTP and HTTPS requests. For details, see use an HTTP/HTTPS proxy.
Commands require elevated privileges.
To manually start, stop or restart StackState Agent V2:
# with systemctl
sudo systemctl start stackstate-agent
sudo systemctl stop stackstate-agent
sudo systemctl restart stackstate-agent
# with service
sudo service stackstate-agent start
sudo service stackstate-agent stop
sudo service stackstate-agent restart
To check if StackState Agent V2 is running and receive information about the Agent's state:
# with systemctl
sudo systemctl status stackstate-agent
# with service
sudo service stackstate-agent status
To show tracebacks for errors or output the full log:
# with systemctl
sudo journalctl -u stackstate-agent
# with service
sudo service stackstate-agent status -v
Use the command below to manually run an Agent check.
# Execute a check once and display the results.
sudo -u stackstate-agent stackstate-agent check <CHECK_NAME>
# Execute a check once with log level debug and display the results.
sudo -u stackstate-agent stackstate-agent check <CHECK_NAME> -l debug
Logs for the subsystems are in the following files:
/var/log/stackstate-agent/agent.log/var/log/stackstate-agent/process-agent.log
To uninstall StackState Agent V2 from your system, stop the
stackstate-agent service and remove it using yum or apt-get.yum
apt-get
# stop the Agent with one of the below commands
sudo systemctl stop stackstate-agent
sudo service stackstate-agent stop
# uninstall the Agent
sudo yum remove stackstate-agent
# stop the Agent with one of the below commands
sudo systemctl stop stackstate-agent
sudo service stackstate-agent stop
# uninstall the Agent
sudo apt-get remove stackstate-agent
Last modified 7mo ago