Merge remote-tracking branch 'upstream/master' into registry-change
# Conflicts: # guestbook-go/guestbook-controller.json # guestbook-go/redis-master-controller.json # guestbook-go/redis-replica-controller.json Signed-off-by: ajayk <ajaykemparaj@gmail.com>
This commit is contained in:
ajayk
commit
fd7fa0f969
|
|
@ -0,0 +1,37 @@
|
|||
#!/bin/bash
|
||||
|
||||
set -o errexit
|
||||
set -o nounset
|
||||
set -o pipefail
|
||||
|
||||
# cd to the repo root
|
||||
REPO_ROOT=$(git rev-parse --show-toplevel)
|
||||
cd "${REPO_ROOT}"
|
||||
|
||||
if [ -z "${GIT_REF:-}" ]; then
|
||||
echo "GIT_REF must be set"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [[ -z "${REGISTRY_BASE:-}" ]]; then
|
||||
echo "REGISTRY_BASE must be set"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [[ ! "${GIT_REF}" =~ ^refs/heads/.* ]]; then
|
||||
echo "GIT_REF=${GIT_REF} is not of the expected format refs/heads/*"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
BRANCH=${GIT_REF/refs\/heads\//}
|
||||
echo "BRANCH is ${BRANCH}"
|
||||
|
||||
GIT_REVISION=$(git rev-parse --short HEAD)
|
||||
echo "GIT_REVISION is ${GIT_REVISION}"
|
||||
|
||||
export IMAGE_TAG="g${GIT_REVISION}"
|
||||
echo "IMAGE_TAG is ${IMAGE_TAG}"
|
||||
|
||||
pushd ${REPO_ROOT}/guestbook-go
|
||||
VERSION=${IMAGE_TAG} REGISTRY=${REGISTRY_BASE} make push
|
||||
popd
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
timeout: 900s
|
||||
steps:
|
||||
- name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20230111-cd1b3caf9c'
|
||||
entrypoint: dev/cd/after-push-to-branch
|
||||
env:
|
||||
- GIT_REF=$_GIT_TAG
|
||||
- PULL_BASE_REF=$_PULL_BASE_REF
|
||||
- REGISTRY_BASE=gcr.io/k8s-staging-examples
|
||||
substitutions:
|
||||
# _GIT_TAG will be filled with a git-based tag for the image, of the form vYYYYMMDD-hash, and
|
||||
# can be used as a substitution
|
||||
_GIT_TAG: '12345'
|
||||
_PULL_BASE_REF: 'master'
|
||||
|
|
@ -23,11 +23,11 @@ release: clean build push clean
|
|||
|
||||
# builds a docker image that builds the app and packages it into a minimal docker image
|
||||
build:
|
||||
docker build -t ${REGISTRY}/guestbook:${VERSION} .
|
||||
docker buildx build --load -t ${REGISTRY}/guestbook:${VERSION} .
|
||||
|
||||
# push the image to an registry
|
||||
push:
|
||||
gcloud docker -- push ${REGISTRY}/guestbook:${VERSION}
|
||||
docker buildx build --push -t ${REGISTRY}/guestbook:${VERSION} .
|
||||
|
||||
# remove previous images and containers
|
||||
clean:
|
||||
|
|
|
|||
|
|
@ -24,12 +24,12 @@ This example assumes that you have a working cluster. See the [Getting Started G
|
|||
|
||||
### Step One: Create the Redis master pod<a id="step-one"></a>
|
||||
|
||||
Use the `examples/guestbook-go/redis-master-controller.json` file to create a [replication controller](https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/) and Redis master [pod](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/). The pod runs a Redis key-value server in a container. Using a replication controller is the preferred way to launch long-running pods, even for 1 replica, so that the pod benefits from the self-healing mechanism in Kubernetes (keeps the pods alive).
|
||||
Use the `examples/guestbook-go/redis-master-controller.yaml` file to create a [replication controller](https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/) and Redis master [pod](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/). The pod runs a Redis key-value server in a container. Using a replication controller is the preferred way to launch long-running pods, even for 1 replica, so that the pod benefits from the self-healing mechanism in Kubernetes (keeps the pods alive).
|
||||
|
||||
1. Use the [redis-master-controller.json](redis-master-controller.json) file to create the Redis master replication controller in your Kubernetes cluster by running the `kubectl create -f` *`filename`* command:
|
||||
1. Use the [redis-master-controller.yaml](redis-master-controller.yaml) file to create the Redis master replication controller in your Kubernetes cluster by running the `kubectl create -f` *`filename`* command:
|
||||
|
||||
```console
|
||||
$ kubectl create -f examples/guestbook-go/redis-master-controller.json
|
||||
$ kubectl create -f examples/guestbook-go/redis-master-controller.yaml
|
||||
|
||||
```
|
||||
|
||||
|
|
@ -73,10 +73,10 @@ A Kubernetes [service](https://kubernetes.io/docs/concepts/services-networking/s
|
|||
|
||||
Services find the pods to load balance based on pod labels. The pod that you created in Step One has the label `app=redis` and `role=master`. The selector field of the service determines which pods will receive the traffic sent to the service.
|
||||
|
||||
1. Use the [redis-master-service.json](redis-master-service.json) file to create the service in your Kubernetes cluster by running the `kubectl create -f` *`filename`* command:
|
||||
1. Use the [redis-master-service.yaml](redis-master-service.yaml) file to create the service in your Kubernetes cluster by running the `kubectl create -f` *`filename`* command:
|
||||
|
||||
```console
|
||||
$ kubectl create -f examples/guestbook-go/redis-master-service.json
|
||||
$ kubectl create -f examples/guestbook-go/redis-master-service.yaml
|
||||
|
||||
```
|
||||
|
||||
|
|
@ -96,10 +96,10 @@ Services find the pods to load balance based on pod labels. The pod that you cre
|
|||
|
||||
The Redis master we created earlier is a single pod (REPLICAS = 1), while the Redis read replicas we are creating here are 'replicated' pods. In Kubernetes, a replication controller is responsible for managing the multiple instances of a replicated pod.
|
||||
|
||||
1. Use the file [redis-replica-controller.json](redis-replica-controller.json) to create the replication controller by running the `kubectl create -f` *`filename`* command:
|
||||
1. Use the file [redis-replica-controller.yaml](redis-replica-controller.yaml) to create the replication controller by running the `kubectl create -f` *`filename`* command:
|
||||
|
||||
```console
|
||||
$ kubectl create -f examples/guestbook-go/redis-replica-controller.json
|
||||
$ kubectl create -f examples/guestbook-go/redis-replica-controller.yaml
|
||||
|
||||
```
|
||||
|
||||
|
|
@ -139,10 +139,10 @@ The Redis master we created earlier is a single pod (REPLICAS = 1), while the Re
|
|||
|
||||
Just like the master, we want to have a service to proxy connections to the read replicas. In this case, in addition to discovery, the Redis replica service provides transparent load balancing to clients.
|
||||
|
||||
1. Use the [redis-replica-service.json](redis-replica-service.json) file to create the Redis replica service by running the `kubectl create -f` *`filename`* command:
|
||||
1. Use the [redis-replica-service.yaml](redis-replica-service.yaml) file to create the Redis replica service by running the `kubectl create -f` *`filename`* command:
|
||||
|
||||
```console
|
||||
$ kubectl create -f examples/guestbook-go/redis-replica-service.json
|
||||
$ kubectl create -f examples/guestbook-go/redis-replica-service.yaml
|
||||
|
||||
```
|
||||
|
||||
|
|
@ -164,14 +164,14 @@ Tip: It is helpful to set labels on your services themselves--as we've done here
|
|||
|
||||
This is a simple Go `net/http` ([negroni](https://github.com/codegangsta/negroni) based) server that is configured to talk to either the replica or master services depending on whether the request is a read or a write. The pods we are creating expose a simple JSON interface and serves a jQuery-Ajax based UI. Like the Redis replica pods, these pods are also managed by a replication controller.
|
||||
|
||||
1. Use the [guestbook-controller.json](guestbook-controller.json) file to create the guestbook replication controller by running the `kubectl create -f` *`filename`* command:
|
||||
1. Use the [guestbook-controller.yaml](guestbook-controller.yaml) file to create the guestbook replication controller by running the `kubectl create -f` *`filename`* command:
|
||||
|
||||
```console
|
||||
$ kubectl create -f examples/guestbook-go/guestbook-controller.json
|
||||
$ kubectl create -f examples/guestbook-go/guestbook-controller.yaml
|
||||
|
||||
```
|
||||
|
||||
Tip: If you want to modify the guestbook code open the `_src` of this example and read the README.md and the Makefile. If you have pushed your custom image be sure to update the `image` accordingly in the guestbook-controller.json.
|
||||
Tip: If you want to modify the guestbook code open the `_src` of this example and read the README.md and the Makefile. If you have pushed your custom image be sure to update the `image` accordingly in the guestbook-controller.yaml.
|
||||
|
||||
2. To verify that the guestbook replication controller is running, run the `kubectl get rc` command:
|
||||
|
||||
|
|
@ -204,10 +204,10 @@ This is a simple Go `net/http` ([negroni](https://github.com/codegangsta/negroni
|
|||
|
||||
Just like the others, we create a service to group the guestbook pods but this time, to make the guestbook front end externally visible, we specify `"type": "LoadBalancer"`.
|
||||
|
||||
1. Use the [guestbook-service.json](guestbook-service.json) file to create the guestbook service by running the `kubectl create -f` *`filename`* command:
|
||||
1. Use the [guestbook-service.yaml](guestbook-service.yaml) file to create the guestbook service by running the `kubectl create -f` *`filename`* command:
|
||||
|
||||
```console
|
||||
$ kubectl create -f examples/guestbook-go/guestbook-service.json
|
||||
$ kubectl create -f examples/guestbook-go/guestbook-service.yaml
|
||||
```
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,37 +0,0 @@
|
|||
{
|
||||
"kind":"ReplicationController",
|
||||
"apiVersion":"v1",
|
||||
"metadata":{
|
||||
"name":"guestbook",
|
||||
"labels":{
|
||||
"app":"guestbook"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"replicas":3,
|
||||
"selector":{
|
||||
"app":"guestbook"
|
||||
},
|
||||
"template":{
|
||||
"metadata":{
|
||||
"labels":{
|
||||
"app":"guestbook"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"containers":[
|
||||
{
|
||||
"name":"guestbook",
|
||||
"image":"registry.k8s.io/guestbook:v3",
|
||||
"ports":[
|
||||
{
|
||||
"name":"http-server",
|
||||
"containerPort":3000
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
kind: ReplicationController
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: guestbook
|
||||
labels:
|
||||
app: guestbook
|
||||
spec:
|
||||
replicas: 3
|
||||
selector:
|
||||
app: guestbook
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: guestbook
|
||||
spec:
|
||||
containers:
|
||||
- name: guestbook
|
||||
image: k8s.gcr.io/guestbook:v3
|
||||
ports:
|
||||
- name: http-server
|
||||
containerPort: 3000
|
||||
|
|
@ -1,22 +0,0 @@
|
|||
{
|
||||
"kind":"Service",
|
||||
"apiVersion":"v1",
|
||||
"metadata":{
|
||||
"name":"guestbook",
|
||||
"labels":{
|
||||
"app":"guestbook"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"ports": [
|
||||
{
|
||||
"port":3000,
|
||||
"targetPort":"http-server"
|
||||
}
|
||||
],
|
||||
"selector":{
|
||||
"app":"guestbook"
|
||||
},
|
||||
"type": "LoadBalancer"
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
kind: Service
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: guestbook
|
||||
labels:
|
||||
app: guestbook
|
||||
spec:
|
||||
ports:
|
||||
- port: 3000
|
||||
targetPort: http-server
|
||||
selector:
|
||||
app: guestbook
|
||||
type: LoadBalancer
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
{
|
||||
"kind":"ReplicationController",
|
||||
"apiVersion":"v1",
|
||||
"metadata":{
|
||||
"name":"redis-master",
|
||||
"labels":{
|
||||
"app":"redis",
|
||||
"role":"master"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"replicas":1,
|
||||
"selector":{
|
||||
"app":"redis",
|
||||
"role":"master"
|
||||
},
|
||||
"template":{
|
||||
"metadata":{
|
||||
"labels":{
|
||||
"app":"redis",
|
||||
"role":"master"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"containers":[
|
||||
{
|
||||
"name":"redis-master",
|
||||
"image":"registry.k8s.io/redis:e2e",
|
||||
"ports":[
|
||||
{
|
||||
"name":"redis-server",
|
||||
"containerPort":6379
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
kind: ReplicationController
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: redis-master
|
||||
labels:
|
||||
app: redis
|
||||
role: master
|
||||
spec:
|
||||
replicas: 1
|
||||
selector:
|
||||
app: redis
|
||||
role: master
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: redis
|
||||
role: master
|
||||
spec:
|
||||
containers:
|
||||
- name: redis-master
|
||||
image: k8s.gcr.io/redis:e2e
|
||||
ports:
|
||||
- name: redis-server
|
||||
containerPort: 6379
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
{
|
||||
"kind":"Service",
|
||||
"apiVersion":"v1",
|
||||
"metadata":{
|
||||
"name":"redis-master",
|
||||
"labels":{
|
||||
"app":"redis",
|
||||
"role":"master"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"ports": [
|
||||
{
|
||||
"port":6379,
|
||||
"targetPort":"redis-server"
|
||||
}
|
||||
],
|
||||
"selector":{
|
||||
"app":"redis",
|
||||
"role":"master"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
kind: Service
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: redis-master
|
||||
labels:
|
||||
app: redis
|
||||
role: master
|
||||
spec:
|
||||
ports:
|
||||
- port: 6379
|
||||
targetPort: redis-server
|
||||
selector:
|
||||
app: redis
|
||||
role: master
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
{
|
||||
"kind":"ReplicationController",
|
||||
"apiVersion":"v1",
|
||||
"metadata":{
|
||||
"name":"redis-replica",
|
||||
"labels":{
|
||||
"app":"redis",
|
||||
"role":"replica"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"replicas":2,
|
||||
"selector":{
|
||||
"app":"redis",
|
||||
"role":"replica"
|
||||
},
|
||||
"template":{
|
||||
"metadata":{
|
||||
"labels":{
|
||||
"app":"redis",
|
||||
"role":"replica"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"containers":[
|
||||
{
|
||||
"name":"redis-replica",
|
||||
"image":"registry.k8s.io/redis-slave:v2",
|
||||
"ports":[
|
||||
{
|
||||
"name":"redis-server",
|
||||
"containerPort":6379
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
kind: ReplicationController
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: redis-replica
|
||||
labels:
|
||||
app: redis
|
||||
role: replica
|
||||
spec:
|
||||
replicas: 2
|
||||
selector:
|
||||
app: redis
|
||||
role: replica
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: redis
|
||||
role: replica
|
||||
spec:
|
||||
containers:
|
||||
- name: redis-replica
|
||||
image: k8s.gcr.io/redis-slave:v2
|
||||
ports:
|
||||
- name: redis-server
|
||||
containerPort: 6379
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
{
|
||||
"kind":"Service",
|
||||
"apiVersion":"v1",
|
||||
"metadata":{
|
||||
"name":"redis-replica",
|
||||
"labels":{
|
||||
"app":"redis",
|
||||
"role":"replica"
|
||||
}
|
||||
},
|
||||
"spec":{
|
||||
"ports": [
|
||||
{
|
||||
"port":6379,
|
||||
"targetPort":"redis-server"
|
||||
}
|
||||
],
|
||||
"selector":{
|
||||
"app":"redis",
|
||||
"role":"replica"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
kind: Service
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: redis-replica
|
||||
labels:
|
||||
app: redis
|
||||
role: replica
|
||||
spec:
|
||||
ports:
|
||||
- port: 6379
|
||||
targetPort: redis-server
|
||||
selector:
|
||||
app: redis
|
||||
role: replica
|
||||
Loading…
Reference in New Issue