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Searching and filtering | Operating | Red Hat Advanced Cluster Security for Kubernetes 4.5
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Searching and filtering

The ability to instantly find resources is important to safeguard your cluster. Use Red Hat Advanced Cluster Security for Kubernetes search feature to find relevant resources faster. For example, you can use it to find deployments that are exposed to a newly published CVE or find all deployments that have external network exposure.

Search syntax

A search query is made up of two parts:

  • An attribute that identifies the resource type you want to search for.

  • A search term that finds the matching resource.

For example, to find all violations in the visa-processor deployment, the search query is Deployment:visa-processor. In this search query, Deployment is the attribute and visa-processor is the search term.

You must select an attribute before you can use search terms. However, in some views, such as the Risk view and the Violations view, Red Hat Advanced Cluster Security for Kubernetes automatically applies the relevant attribute based on the search term you enter.

  • You can use multiple attributes in your query. When you use more than one attribute, the results only include the items that match all attributes.

    Example

    When you search for Namespace:frontend CVE:CVE-2018-11776, it returns only those resources which violate CVE-2018-11776 in the frontend namespace.

  • You can use more than one search term with each attribute. When you use more than one search term, the results include all items that match any of the search terms.

    Example

    If you use the search query Namespace: frontend backend, it returns matching results from the namespace frontend or backend.

  • You can combine multiple attribute and search term pairs.

    Example

    The search query Cluster:production Namespace:frontend CVE:CVE-2018-11776 returns all resources which violate CVE-2018-11776 in the frontend namespace in the production cluster.

  • Search terms can be part of a word, in which case Red Hat Advanced Cluster Security for Kubernetes returns all matching results.

    Example

    If you search for Deployment:def, the results include all deployments starting with def.

  • To explicitly search for a specific term, use the search terms inside quotes.

    Example

    When you search for Deployment:"def", the results only include the deployment def.

  • You can also use regular expressions by using r/ before your search term.

    Example

    When you search for Namespace:r/st.*x, the results include matches from namespace stackrox and stix.

  • Use ! to indicate the search terms that you do not want in results.

    Example

    If you search for Namespace:!stackrox, the results include matches from all namespaces except the stackrox namespace.

  • Use the comparison operators >, <, =, >=, or <= to match a specific value or range of values.

    Example

    If you search for CVSS:>=6, the results include all vulnerabilities with Common Vulnerability Scoring System (CVSS) score 6 or higher.

Search autocomplete

As you enter your query, Red Hat Advanced Cluster Security for Kubernetes automatically displays relevant suggestions for the attributes and the search terms.

Using global search

By using global search you can search across all resources in your environment. Based on the resource type you use in your search query, the results are grouped in the following categories:

  • All results (Lists matching results across all categories)

  • Clusters

  • Deployments

  • Images

  • Namespaces

  • Nodes

  • Policies

  • Policy categories [1]

  • Roles

  • Role bindings

  • secrets

  • Service accounts

  • Users and groups

  • Violations

  1. The Policy categories option is only available if you use the following:

    • PostgreSQL as a backend database in Red Hat Advanced Cluster Security for Kubernetes (RHACS).

    • Red Hat Advanced Cluster Security Cloud Service (RHACS Cloud Service).

These categories are listed as a table on the RHACS portal global search page and you can click on the category name to identify results belonging to the selected category.

To do a global search, in the RHACS portal, select Search.

Using local page filtering

You can use local page filtering from within all views in the RHACS portal. Local page filtering works similar to the global search, but only relevant attributes are available. You can select the search bar to show all available attributes for a specific view.

Common search queries

Here are some common search queries you can run with Red Hat Advanced Cluster Security for Kubernetes.

Finding deployments that are affected by a specific CVE

Query Example

CVE:<CVE_number>

CVE:CVE-2018-11776

Finding privileged running deployments

Query Example

Privileged:<true_or_false>

Privileged:true

Finding deployments that have external network exposure

Query Example

Exposure Level:<level>

Exposure Level:External

Finding deployments that are running specific processes

Query Example

Process Name:<process_name>

Process Name:bash

Finding deployments that have serious but fixable vulnerabilities

Query Example

CVSS:<expression_and_score>

CVSS:>=6 Fixable:.*

Finding deployments that use passwords exposed through environment variables

Query Example

Environment Key:<query>

Environment Key:r/.*pass.*

Finding running deployments that have particular software components in them

Query Example

Component:<component_name>

Component:libgpg-error or Component:sudo

Finding users or groups

Use Kubernetes Labels and Selectors, and Annotations to attach metadata to your deployments. You can then query based on the applied annotations and labels to identify individuals or groups.

Finding who owns a particular deployment

Query Example

Deployment:<deployment_name> Label:<key_value> or Deployment:<deployment_name> Annotation:<key_value>

Deployment:app-server Label:team=backend

Finding who is deploying images from public registries

Query Example

Image Registry:<registry_name> Label:<key_value> or Image Registry:<registry_name> Annotation:<key_value>

Image Registry:docker.io Label:team=backend

Finding who is deploying into the default namespace

Query Example

Namespace:default Label:<key_value> or Namespace:default Annotation:<key_value>

Namespace:default Label:team=backend

Search attributes

Following is the list of search attributes that you can use while searching and filtering in Red Hat Advanced Cluster Security for Kubernetes.

Attribute Description

Add Capabilities

Provides the container with additional Linux capabilities, for instance the ability to modify files or perform network operations.

Annotation

Arbitrary non-identifying metadata attached to an orchestrator object.

CPU Cores Limit

Maximum number of cores that a resource is allowed to use.

CPU Cores Request

Minimum number of cores to be reserved for a given resource.

CVE

Common Vulnerabilities and Exposures, use it with specific CVE numbers.

CVSS

Common Vulnerability Scoring System, use it with the CVSS score and greater than ( > ), less than ( < ), or equal to ( = ) symbols.

Category

Policy categories include DevOps Best Practices, Security Best Practices, Privileges, Vulnerability Management, Multiple, and any custom policy categories that you create.

Cert Expiration

Certificate expiration date.

Cluster

Name of a Kubernetes or OpenShift Container Platform cluster.

Cluster ID

Unique ID for a Kubernetes or OpenShift Container Platform cluster.

Cluster Role

Use true to search for cluster-wide roles and false for namespace-scoped roles.

Component

Software (daemond, docker), objects (images, containers, services), registries (repository for Docker images).

Component Count

Number of components in the image.

Component version

The version of software, objects, or registries.

Created Time

Time and date when the secret object was created.

Deployment

Name of the deployment.

Deployment Type

The type of Kubernetes controller on which the deployment is based.

Description

Description of the deployment.

Dockerfile Instruction Keyword

Keyword in the Dockerfile instructions in an image.

Dockerfile Instruction Value

Value in the Dockerfile instructions in an image.

Drop Capabilities

Linux capabilities that have been dropped from the container. For example CAP_SETUID or CAP_NET_RAW.

Enforcement

Type of enforcement assigned to the deployment. For example, None, Scale to Zero Replicas, or Add an Unsatisfiable Node Constraint.

Environment Key

Key portion of a label key-value string that is metadata for further identifying and organizing the environment of a container.

Environment Value

Value portion of a label key-value string that is metadata for further identifying and organizing the environment of a container.

Exposed Node Port

Port number of the exposed node port.

Exposing Service

Name of the exposed service.

Exposing Service Port

Port number of the exposed service.

Exposure Level

The type of exposure for a deployment port, for example external or node.

External Hostname

The hostname for an external port exposure for a deployment.

External IP

The IP address for an external port exposure for a deployment.

Fixable CVE Count

Number of fixable CVEs on an image.

Fixed By

The version string of a package that fixes a flagged vulnerability in an image.

Image

The name of the image.

Image Command

The command specified in the image.

Image Created Time

The time and date when the image was created.

Image Entrypoint

The entrypoint command specified in the image.

Image Pull secret

The name of the secret to use when pulling the image, as specified in the deployment.

Image Pull secret Registry

The name of the registry for an image pull secret.

Image Registry

The name of the image registry.

Image Remote

Indication of an image that is remotely accessible.

Image Scan Time

The time and date when the image was last scanned.

Image Tag

Identifier for an image.

Image Users

Name of the user or group that a container image is configured to use when it runs.

Image Volumes

Names of the configured volumes in the container image.

Inactive Deployment

Use true to search for inactive deployments and false for active deployments.

Label

The key portion of a label key-value string that is metadata for further identifying and organizing images, containers, daemons, volumes, networks, and other resources.

Lifecycle Stage

The type of lifecycle stage where this policy is configured or alert was triggered.

Max Exposure Level

For a deployment, the maximum level of network exposure for all given ports/services.

Memory Limit (MB)

Maximum amount of memory that a resource is allowed to use.

Memory Request (MB)

Minimum amount of memory to be reserved for a given resource.

Namespace

The name of the namespace.

Namespace ID

Unique ID for the containing namespace object on a deployment.

Node

Name of a node.

Node ID

Unique ID for a node.

Pod Label

Single piece of identifying metadata attached to an individual pod.

Policy

The name of the security policy.

Port

Port numbers exposed by a deployment.

Port Protocol

IP protocol such as TCP or UDP used by exposed port.

Priority

Risk priority for a deployment. (Only available in Risks view.)

Privileged

Use true to search for privileged running deployments, or false otherwise.

Process Ancestor

Name of any parent process for a process indicator in a deployment.

Process Arguments

Command arguments for a process indicator in a deployment.

Process Name

Name of the process for a process indicator in a deployment.

Process Path

Path to the binary in the container for a process indicator in a deployment.

Process UID

Unix user ID for the process indicator in a deployment.

Read Only Root Filesystem

Use true to search for containers running with the root file system configured as read only.

Role

Name of a Kubernetes RBAC role.

Role Binding

Name of a Kubernetes RBAC role binding.

Role ID

Role ID to which a Kubernetes RBAC role binding is bound.

secret

Name of the secret object that holds the sensitive information.

secret Path

Path to the secret object in the file system.

secret Type

Type of the secret, for example, certificate or RSA public key.

Service Account

Service account name for a service account or deployment.

Severity

Indication of level of importance of a violation: Critical, High, Medium, Low.

Subject

Name for a subject in Kubernetes RBAC.

Subject Kind

Type of subject in Kubernetes RBAC, such as SERVICE_ACCOUNT, USER or GROUP.

Taint Effect

Type of taint currently applied to a node.

Taint Key

Key for a taint currently applied to a node.

Taint Value

Allowed value for a taint currently applied to a node.

Toleration Key

Key for a toleration applied to a deployment.

Toleration Value

Value for a toleration applied to a deployment.

Violation

A notification displayed in the Violations page when the conditions specified by a policy have not been met.

Violation State

Use it to search for resolved violations.

Violation Time

Time and date that a violation first occurred.

Volume Destination

Mount path of the data volume.

Volume Name

Name of the storage.

Volume ReadOnly

Use true to search for volumes that are mounted as read only.

Volume Source

Indicates the form in which the volume is provisioned (for example, persistentVolumeClaim or hostPath).

Volume Type

The type of volume.