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Manager commands

This is a quick reference guide for all the manager commands in Unravel.

Quick reference - manager commands

You can refer to this section for the manager tool commands. Any commands from this list can be run from the Manager tool as follows:

<Unravel installation directory>/manager <manager command>

For example:
/opt/unravel/manager start

  • Main actions

    The table shows the main actions displayed when you run the manager tool. You can run any of these actions for setting up services and configurations.

    Action

    Description

    start

    Start Unravel

    stop

    Stop Unravel

    restart

    Restart Unravel

    report

    Report Unravel services

    watch

    Report Unravel services. Refreshes every two seconds

    service

    Additional service management commands

    config

    Configure Unravel

    refresh

    Refresh scripts and configurations

    activate

    Activate an Unravel version

    version

    Unravel version information

    precheck

    Verify that the system configuration supports the currently running Unravel

    healthcheck

    Verify the health of an Unravel installation

    run

    Run Unravel scripts

    api

    Unravel API tools

  • Cache Support for Database

    Commands

    Description

    manager config cache show

    Retrieves and displays the current configuration settings for caching in the manager module.

    manager config cache enable <ucache|redis>

    Enables caching within the manager module with the specified cache type. The available options are ucache, redis, and embedded.

    manager config cache ttl <seconds>

    Sets the time-to-live (TTL) value for cached items within the manager module.

    manager config cache max-entry-count <count>

    Sets the maximum entry count for the cache within the manager module. The <count> parameter determines the maximum number of items that can be stored in the cache at any given time.

    manager config cache serialization <kryo|java>

    Configures the serialization method for cached data within the manager module. The available options are Kryo and Java.

  • Configuration

    Commands

    Description

    config auto

    Starts autoconfig, which is the automatic mode.

    URL, username, and password will be prompted unless --URL, --username , and --password are passed.

    config notebook

    Configures and enables Jupyter notebook service.

    config archive

    Archives the content of data/conf and services into a tar file and stored in data/conf_archives.

    refresh <entity>

    Refreshes the specified entity. An entity can be any of the following:

    • all

    • files

    • kafka

    • db

    • es

    Note

    Stop Unravel before you run refresh <entity>.

  • Custom ports

    Commands

    Description

    help config ports

    Open the config ports menu.

    config ports show

    Display currently defined port values.

    config ports unset

    Returns a custom port value to its default value.

    manager config ports remap begin<specify start range> end<specify end range>

    Set range for Unravel ports.

  • email

    Commands

    Description

    config email

    Configure email.

  • Install and upgrade

    Commands

    Description

    version

    Shows the Unravel version and components information.

    verify <sensor|properties|files>

    • Sensor: Checks the cluster configuration and ensures that the sensor parameters are correct.

    • properties: Validates unravel.properties, checking for invalid, unknown, and duplicate properties.

    • files: Verifies and reports on any unexpected changes to unravel components, scripts, and configuration.

    activate

    Displays a list of available versions of Unravel for activation. This applies to upgrades, downgrades, and patches. The manager tool verifies the compatibility before making any changes.

    activate <version>

    Activates a specific version of Unravel.

    uninstall

    Uninstalls Unravel.

  • Log Receiver (LR) endpoint (Databricks) with TLS

    The following commands are used to update the Log Receiver (LR) endpoint if the Unravel LR is not accessible with the default hostname and port from Databricks, based on various TLS scenarios.

    Commands

    Description

    config databricks set-lr-endpoint <hostname> 4043

    Set LR hostname and LR port number to default, when TLS is NOT enabled.

    config databricks set-lr-endpoint <hostname> 4443

    Set LR hostname and LR port number to default, when TLS is enabled.

    config databricks set-lr-endpoint <hostname> 4043 --no-tls

    Set LR hostname and LR port number to default, when TLS is enabled but you want to keep using HTTP.

  • Monitoring

    Commands

    Description

    report

    Shows the status of all unravel services.

    report <service>

    Shows the status of the specified service.

    watch

    Shows the status of all unravel services.

    watch <service>

    Shows the status of the specified service.

    service list

    Display detailed status information about the service.

    service is-enabled <service>

    Shows whether the service is enabled.

    service is-running <service>

    Shows whether the service is running.

    service is-alive <service>

    Shows whether the service is alive.

    healthcheck

    To run healthcheck.

  • License

    Commands

    Description

    license set <filename>

    Takes a filename as input.

    license show

    Displays the content of the current license and its validity.

  • Service Management

    Commands

    Description

    start

    Starts unravel and all the enabled services.

    start <service>

    Only starts the specified service.

    stop

    Stops unravel and all the running services.

    stop <service>

    Stops only the specified service.

    restart

    Restart all services.

    restart <service>

    Restart only a specific service.

    service enable <service>

    This enables a service that was temporarily disabled.

    Run the service enable <service> --permanent command to update unravel.yaml

    service disable <service>

    Temporarily disables a service. Run the service disable <service> --permanent, which updates the unravel.yaml file and permanently disables a service.

  • TLS

    Command

    Description

    config tls trust enable|disable

    Enable or disable Unravel using a truststore to use when connecting to services secured with TLS. This requires regenerating files.

    config tls trust add <path>

    config tls trust --jks <path>

    config tls trust --pem <path>

    config tls trust --pkcs12 <path>

    Imports certificates to trust. For example, autodetect format is based on the extension.

    Supported <format> are:

    • JKS

    • PEM

    • PKCS12

    <path> is the path to the file to import.

    config tls enable|disable

    Enable/disable using a TLS for Unravel. This requires regenerating files.

    config tls set <path>

    config tls set --jks <path>

    config tls set --pem <path>

    config tls set --pkcs12 <path>

    Set the certificate and key to use for TLS. First example autodetect format based on the extension.

    Supported <format> are:

    • PEM

    • PKCS12

    • JKS

    For PKCS12 and JKS, the user will be prompted for the password. <path> is the path to the file to import.

  • Tagging

    Commands

    Description

    config tagging enable|disable

    Enable/disable tagging support for Unravel. This requires regenerating files.

    config tagging set

    Allows setting the script and the method for tagging.

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