Configuration

Environment Variables

You can use environment variables to configure the behavior of the run command. The environment variables use fully qualified names (as in the configuration file) with the prefix INSPEKTOR_GADGET_.

# Enable verbose output
$ export INSPEKTOR_GADGET_VERBOSE=true
$ kubectl gadget run trace_open
DEBU[0000] using target "gadget-b7jrc" ("minikube-docker")
...
# Disable image verification (not recommended)
$ export INSPEKTOR_GADGET_OPERATOR_OCI_VERIFY_IMAGE=false
$ sudo ig run trace_open
WARN[0000] image signature verification is disabled due to using corresponding option
WARN[0000] image signature verification is disabled due to using corresponding option
...

Configuration File

You can use a configuration file to set specific settings that persist across multiple executions. The default location for the configuration file is ~/.ig/config.yaml. You can change the location of the configuration file specifying the --config flag.

The default configuration file can be generated using the following command:

# Default configuration file for kubectl gadget
$ kubectl gadget config default
as: ""
as-group: []
as-uid: ""
cache-dir: /home/qasim/.kube/cache
...

# Default configuration file for ig
$ ig config default
auto-mount-filesystems: "false"
auto-wsl-workaround: "false"
operator:
    localmanager:
        containerd-namespace: k8s.io
...

# Default configuration file for gadgetctl
$ gadgetctl config default
operator:
    oci:
        authfile: /var/lib/ig/config.json
...

You can use the default configuration as a starting point (e.g. ig config default > ~/.ig/config.yaml) and modify it to suit your needs.

The current configuration can be printed using the following command:

# Print the current configuration for kubectl gadget
$ kubectl gadget config view
as: ""
as-group: []
as-uid: ""
cache-dir: /home/qasim/.kube/cache
...

# Print the current configuration for ig
$ ig config view
operator:
    localmanager:
        containerd-namespace: k8s.io
        runtimes: docker,containerd,cri-o,podman
...
# Print the current configuration for gadgetctl
$ gadgetctl config view
operator:
    oci:
        authfile: /var/lib/ig/config.json
        insecure: "false"
...

Precedence

The precedence order of the configuration settings is as follows:

• Flags passed to the command
• Environment variables
• Configuration file
• Default values

(this is due to Inspektor Gadget using the viper library)