Lab 11.2. Why two services have same endpoints?

Hi!
I'm trying to make Lab 11.2. Most steps are ok except ones where different configuration for web-one
and web-two
are needed.
Here are configs:
1. web-one.yaml
:
- apiVersion: apps/v1
- kind: Deployment
- metadata:
- name: web-one
- labels:
- system: secondary
- spec:
- selector:
- matchLabels:
- system: secondary
- replicas: 1
- template:
- metadata:
- labels:
- system: secondary
- spec:
- containers:
- - image: nginx:1.20.1
- imagePullPolicy: Always
- name: nginx
- ports:
- - containerPort: 80
- protocol: TCP
web-two.yaml
:
- apiVersion: apps/v1
- kind: Deployment
- metadata:
- name: web-two
- labels:
- system: secondary
- spec:
- selector:
- matchLabels:
- system: secondary
- replicas: 1
- template:
- metadata:
- labels:
- system: secondary
- spec:
- containers:
- - image: nginx:1.20.1
- imagePullPolicy: Always
- name: nginx
- ports:
- - containerPort: 80
- protocol: TCP
Both created successfully and exposed:
- [07:57]user@ubuntu-vbox-k8s-master[~]$ kubectl create -f web-one.yaml
- deployment.apps/web-one created
- [07:57]user@ubuntu-vbox-k8s-master[~]$ kubectl create -f web-two.yaml
- deployment.apps/web-two created
- [07:58]user@ubuntu-vbox-k8s-master[~]$ kubectl get pods
- NAME READY STATUS RESTARTS AGE
- myingress-ingress-nginx-controller-459tg 1/1 Running 0 72m
- myingress-ingress-nginx-controller-855vf 1/2 CrashLoopBackOff 9 (113s ago) 21m
- web-one-84655f9947-vcs4p 1/1 Running 0 56s
- web-two-84655f9947-kfsrm 1/1 Running 0 52s
- [07:58]user@ubuntu-vbox-k8s-master[~]$ kubectl expose deployment web-one --type=ClusterIP --port=80
- service/web-one exposed
- [07:58]user@ubuntu-vbox-k8s-master[~]$ kubectl expose deployment web-two --type=ClusterIP --port=80
- service/web-two exposed
- [08:00]user@ubuntu-vbox-k8s-master[~]$ kubectl get svc
- NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
- kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 30d
- myingress-ingress-nginx-controller LoadBalancer 10.101.135.134 <pending> 80:30796/TCP,443:30645/TCP 74m
- myingress-ingress-nginx-controller-admission ClusterIP 10.110.32.128 <none> 443/TCP 74m
- web-one ClusterIP 10.97.84.234 <none> 80/TCP 2m19s
- web-two ClusterIP 10.107.37.129 <none> 80/TCP 2m14s
- [08:01]user@ubuntu-vbox-k8s-master[~]$ kubectl get ep
- NAME ENDPOINTS AGE
- kubernetes 192.168.56.108:6443 30d
- myingress-ingress-nginx-controller 192.168.77.30:443,192.168.77.30:80 75m
- myingress-ingress-nginx-controller-admission 192.168.77.30:8443 75m
- web-one 192.168.77.35:80,192.168.77.36:80 3m24s
- web-two 192.168.77.35:80,192.168.77.36:80 3m19s
As you see at last command output, web-one
and web-two
are mixed. I definitely missed something.
Could anybody help?
Answers
-
Use different label for web-one Deployment ?
0 -
Hello,
What is the issue, in particular. The same deployment may have several services. Which is the step that is the problem? I want to be sure to help you on the correct step.
Regards,
0 -
Hi @Gim6626,
Both Deployment definition files show the same label and selector. Two operators with the same label causes resource management conflicts.
You can revisit the two Deployment definition files and correct the labels and selectors, or create both deployments via imperative commands - much easier and labels will be correctly assigned.
Regards,
-Chris0
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