label
- digunakan untuk memberi tanda pada pod, mengorganisir pod
- memberi informasi tambahan pada pod
- label tidak hanya digunakan untuk pod, tapi pada semua resources di kubernetes
- seperti Replication Controler, Replication Set, service
- masukin label harus sederhana tidak boleh ada spasi
configuration
- template
```yaml
apiVersion: v1
kind: Pod
metadata:
name: pod-name
labels:
label-key1: label-value1
label-key2: label-value2
label-key3: label-value3
spec:
containers:
- name: container-name
image: image-name
ports:
- containerPort: 80 ```
- name: container-name
image: image-name
ports:
- example
```yaml
apiVersion: v1
kind: Pod
metadata:
name: nginx-with-label
labels:
team: finance
version: 1.4.5
environment: production
spec:
containers:
- name: nginx
image: nginx
ports:
- containerPort: 80 ```
- name: nginx
image: nginx
ports:
command
- show pod label
kubectl get pods --show-labels - menambahkan atau mengubah label di pod
- namun tidak disarankan karena nanti beda sama configuration filenya
# add label kubectl label pod nginx env=prod # change label kubectl label pod nginx env=dev --overwrite - mencari label di pod
kubectl get pods -l key kubectl get pods -l key=value kubectl get pods -l '!key' kubectl get pods -l 'key!=value' kubectl get pods -l 'key in (value1, value2)' kubectl get pods -l 'key notin (value1, value2, value3)' kubectl get pods -l key, key1=value1