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Add kubernetes example for hotrod app (#3645)
* Add kubernetes example for hotrod app Signed-off-by: Brandon High <highb@users.noreply.github.com> * Remove grafana-agent optional configuration Signed-off-by: Brandon High <highb@users.noreply.github.com> * Add redis container to kubernetes deployment example Also reduces the cpu/memory limits as they were excessive initially. Signed-off-by: Brandon High <highb@users.noreply.github.com> * Move kubernetes example into hotrod/kubernetes Signed-off-by: Brandon High <highb@users.noreply.github.com> * Add jaeger all-in-one to kubernetes example Signed-off-by: Brandon High <highb@users.noreply.github.com> * Add one-liner for port-forward to see traces Signed-off-by: Brandon High <highb@users.noreply.github.com> * Tracing port needs to be UDP not TCP Signed-off-by: Brandon High <highb@users.noreply.github.com> * Update examples/hotrod/README.md Co-authored-by: Yuri Shkuro <yurishkuro@users.noreply.github.com> Signed-off-by: Brandon High <highb@users.noreply.github.com> * Move up kubernetes section in hotrod example README Signed-off-by: Brandon High <highb@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Yuri Shkuro <yurishkuro@users.noreply.github.com> Signed-off-by: Brandon High <highb@users.noreply.github.com> * Add cleanup to k8s example READMEs Signed-off-by: Brandon High <highb@users.noreply.github.com> * Remove redis from hotrod example Signed-off-by: Brandon High <highb@users.noreply.github.com> * Use pod local/localhost for jaeger-all-in-one Signed-off-by: Brandon High <highb@users.noreply.github.com> Co-authored-by: Yuri Shkuro <yurishkuro@users.noreply.github.com>
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# Hot R.O.D. - Rides on Demand on Kubernetes | ||
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Example k8s manifests for deploying the [hotrod app](..) to your k8s environment of choice. e.g. minikube, k3s, EKS, GKE | ||
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## Usage | ||
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```bash | ||
kustomize build . | kubectl apply -f - | ||
kubectl port-forward -n example-hotrod service/example-hotrod 8080:frontend | ||
# In another terminal | ||
kubectl port-forward -n example-hotrod service/jaeger 16686:frontend | ||
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# To cleanup | ||
kustomize build . | kubectl delete -f - | ||
``` | ||
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Access Jaeger UI at <http://localhost:16686> and HotROD app at <http://localhost:8080> |
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apiVersion: apps/v1 | ||
kind: Deployment | ||
metadata: | ||
labels: | ||
app: example-hotrod | ||
name: example-hotrod | ||
spec: | ||
replicas: 1 | ||
selector: | ||
matchLabels: | ||
app: example-hotrod | ||
strategy: {} | ||
template: | ||
metadata: | ||
labels: | ||
app: example-hotrod | ||
spec: | ||
containers: | ||
- image: jaegertracing/example-hotrod:latest | ||
name: example-hotrod | ||
args: ["all"] | ||
env: | ||
- name: JAEGER_AGENT_HOST | ||
value: localhost | ||
- name: JAEGER_AGENT_PORT | ||
value: "6831" | ||
ports: | ||
- containerPort: 8080 | ||
name: frontend | ||
- containerPort: 8081 | ||
name: customer | ||
- containerPort: 8083 | ||
name: route | ||
resources: | ||
limits: | ||
cpu: 100m | ||
memory: 100M | ||
requests: | ||
cpu: 100m | ||
memory: 100M |
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apiVersion: kustomize.config.k8s.io/v1beta1 | ||
kind: Kustomization | ||
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resources: | ||
- deployment.yaml | ||
- service.yaml |
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apiVersion: v1 | ||
kind: Service | ||
metadata: | ||
name: example-hotrod | ||
spec: | ||
selector: | ||
app: example-hotrod | ||
ports: | ||
- name: frontend | ||
protocol: TCP | ||
port: 8080 | ||
targetPort: frontend |
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examples/hotrod/kubernetes/base/jaeger-all-in-one/kustomization.yaml
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apiVersion: kustomize.config.k8s.io/v1beta1 | ||
kind: Kustomization | ||
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bases: | ||
- ../hotrod | ||
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resources: | ||
- service.yaml | ||
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patches: | ||
- target: | ||
group: apps | ||
version: v1 | ||
kind: Deployment | ||
name: example-hotrod | ||
patch: |- | ||
- op: add | ||
path: /spec/template/spec/containers/- | ||
value: | ||
image: jaegertracing/all-in-one:latest | ||
name: jaeger | ||
ports: | ||
- containerPort: 6831 | ||
name: tracing-jaeger | ||
- containerPort: 16686 | ||
name: frontend-jaeger | ||
resources: | ||
limits: | ||
cpu: 100m | ||
memory: 100M | ||
requests: | ||
cpu: 100m | ||
memory: 100M |
16 changes: 16 additions & 0 deletions
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examples/hotrod/kubernetes/base/jaeger-all-in-one/service.yaml
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apiVersion: v1 | ||
kind: Service | ||
metadata: | ||
name: jaeger | ||
spec: | ||
selector: | ||
app: example-hotrod | ||
ports: | ||
- name: tracing | ||
protocol: UDP | ||
port: 6831 | ||
targetPort: tracing-jaeger | ||
- name: frontend | ||
protocol: TCP | ||
port: 16686 | ||
targetPort: frontend-jaeger |
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apiVersion: kustomize.config.k8s.io/v1beta1 | ||
kind: Kustomization | ||
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bases: | ||
# If you only want the hotrod application, uncomment this line and comment out jaeger-all-in-one | ||
# - base/hotrod | ||
- base/jaeger | ||
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namespace: example-hotrod | ||
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resources: | ||
- namespace.yaml |
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apiVersion: v1 | ||
kind: Namespace | ||
metadata: | ||
name: example-hotrod |