Created
July 24, 2022 06:45
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foo-canary.yaml
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apiVersion: v1 | |
kind: ConfigMap | |
metadata: | |
name: server | |
namespace: foo | |
data: | |
server.go: | | |
package main | |
import ( | |
"fmt" | |
"net/http" | |
"os" | |
) | |
func main() { | |
http.HandleFunc("/foo", func(writer http.ResponseWriter, request *http.Request) { | |
fmt.Fprintln(writer, "foo", os.Getenv("POD_NAME")) | |
}) | |
http.ListenAndServe(":8000", nil) | |
} | |
--- | |
apiVersion: apps/v1 | |
kind: Deployment | |
metadata: | |
name: foo-v1 | |
namespace: foo | |
spec: | |
selector: | |
matchLabels: | |
app: foo | |
version: v1 | |
template: | |
metadata: | |
name: foo-v1 | |
labels: | |
app: foo | |
version: v1 | |
spec: | |
volumes: | |
- name: server | |
configMap: | |
name: server | |
containers: | |
- name: foo | |
image: golang | |
ports: | |
- name: http | |
containerPort: 8000 | |
volumeMounts: | |
- name: server | |
mountPath: /app | |
command: [go, run, /app/server.go] | |
env: | |
- name: POD_NAME | |
valueFrom: | |
fieldRef: | |
fieldPath: metadata.name | |
--- | |
apiVersion: v1 | |
kind: Service | |
metadata: | |
name: foo-v1 | |
namespace: foo | |
spec: | |
selector: | |
app: foo | |
version: v1 | |
ports: | |
- port: 80 | |
targetPort: http | |
--- | |
apiVersion: apps/v1 | |
kind: Deployment | |
metadata: | |
name: foo-v2 | |
namespace: foo | |
spec: | |
selector: | |
matchLabels: | |
app: foo | |
version: v2 | |
template: | |
metadata: | |
name: foo-v2 | |
labels: | |
app: foo | |
version: v2 | |
spec: | |
volumes: | |
- name: server | |
configMap: | |
name: server | |
containers: | |
- name: foo | |
image: golang | |
ports: | |
- name: http | |
containerPort: 8000 | |
volumeMounts: | |
- name: server | |
mountPath: /app | |
command: [go, run, /app/server.go] | |
env: | |
- name: POD_NAME | |
valueFrom: | |
fieldRef: | |
fieldPath: metadata.name | |
--- | |
apiVersion: v1 | |
kind: Service | |
metadata: | |
name: foo-v2 | |
namespace: foo | |
spec: | |
selector: | |
app: foo | |
version: v2 | |
ports: | |
- port: 80 | |
targetPort: http |
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