2.9 KiB
{% panel style="success", title="Providing Feedback" %} Provide feedback at the survey {% endpanel %}
{% panel style="info", title="TL;DR" %}
- Queries for Getting or Describing Resources {% endpanel %}
Matching Objects from Get and Describing
Motivation
Match Resources with Queries when Getting or Describing them.
{% method %}
Resource Config By kustomization.yaml
Get all Resources provided by the kustomization.yaml in project/.
{% sample lang="yaml" %}
kubectl get -k project/
{% endmethod %}
{% method %}
Resource Config By Dir
Get all Resources present in the Resource Config for a directory. {% sample lang="yaml" %}
kubectl get -f configs/
{% endmethod %}
{% method %}
Resource Types
Get all Resources in a namespace for a given type.
The Group and Version for the Resource are determined by the apiserver discovery service.
The Singular, Plural, Short Name also apply to Types with Name and Types with Selectors. {% sample lang="yaml" %}
# Plural
kubectl get deployments
# Singular
kubectl get deployment
# Short name
kubectl get deploy
{% endmethod %}
{% method %}
Resource Types with Group / Version
Get all Resources in a namespace for a given type.
The Group and Version for the Resource are explicit.
{% sample lang="yaml" %}
kubectl get deployments.apps
kubectl get deployments.v1.apps
{% endmethod %}
{% method %}
Resource Types with Name
Get named Resources in a namespace for a given type.
{% sample lang="yaml" %}
kubectl get deployment nginx
{% endmethod %}
{% method %}
Label Selector
Get all Resources in a namespace matching a label select for a given type. {% sample lang="yaml" %}
kubectl get deployments -l app=nginx
{% endmethod %}
{% method %}
Namespaces
By default Get and Describe will fetch resource in the default namespace or the namespace specified
with --namespace.
The --all-namespaces flag will fetch Resources from all namespaces.
{% sample lang="yaml" %}
kubectl get deployments --all-namespaces
{% endmethod %}
{% method %}
List multiple Resource types
Get and Describe can accept multiple Resource types, and it will print them both in separate sections.
{% sample lang="yaml" %}
kubectl get deployments,services
{% endmethod %}
{% method %}
List multiple Resource types by name
Get and Describe can accept multiple Resource types and names.
{% sample lang="yaml" %}
kubectl get rc/web service/frontend pods/web-pod-13je7
{% endmethod %}
{% method %}
Not Found
By default, Get or Describe will return an error if an object is requested and doesn't exist.
The --ignore-not-found flag will cause kubectl to exit 0 if the Resource is not found
{% sample lang="yaml" %}
kubectl get deployment nginx --ignore-not-found
{% endmethod %}