Update examples

This commit is contained in:
Darren Shepherd 2020-09-15 22:35:41 -07:00
parent 556d18c26b
commit 4eff05a5c2
153 changed files with 24853 additions and 120 deletions

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# Fleet Examples
This repository contains examples of how to use Fleet using different approaches.
The repo is broken up into two different sections: Single cluster and Multi Cluster.
## Single Cluster Examples
All examples will deploy content to the local cluster running the Fleet Manager.
| Example | Description |
|-------------|-------------|
| [simple](simple/) | The minimally viable repo to deploy raw Kubernetes resources |
| [manifest](manifest/) | A full example of using raw Kubernetes YAML and customizing it per target cluster |
| [helm](helm/) | A full example of using Helm and customizing it per target cluster |
| [helm-external](helm-external/) | A full example of using a Helm chart that is downloaded from a third party source and customizing it per target cluster |
| [kustomize](kustomize/) | A full example of using Kustomize and customizing it per target cluster |
| [helm-kustomize](helm-kustomize/) | A full example of using Kustomize to modify a third party Helm chart |
| [manifest](single-cluster/manifest/) | A full example of using raw Kubernetes YAML and customizing it per target cluster |
| [helm](single-cluster/helm/) | A full example of using Helm and customizing it per target cluster |
| [helm-external](single-cluster/helm-external/) | A full example of using a Helm chart that is downloaded from a third party source and customizing it per target cluster |
| [kustomize](single-cluster/kustomize/) | A full example of using Kustomize and customizing it per target cluster |
| [helm-kustomize](single-cluster/helm-kustomize/) | A full example of using Kustomize to modify a third party Helm chart |
## Multi-Cluster Examples
The examples below will deploy a single git repo to multiple clusters at once
and configure the app differently for each target.
| Example | Description |
|-------------|-------------|
| [manifest](multi-cluster/manifest/) | A full example of using raw Kubernetes YAML and customizing it per target cluster |
| [helm](multi-cluster/helm/) | A full example of using Helm and customizing it per target cluster |
| [helm-external](multi-cluster/helm-external/) | A full example of using a Helm chart that is downloaded from a third party source and customizing it per target cluster |
| [kustomize](multi-cluster/kustomize/) | A full example of using Kustomize and customizing it per target cluster |
| [helm-kustomize](multi-cluster/helm-kustomize/) | A full example of using Kustomize to modify a third party Helm chart |

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namespace: fleet-helm-external-example
chart: https://github.com/rancher/fleet-examples/releases/download/example/guestbook-0.0.0.tgz
targets:
- name: dev
values:
replication: false
clusterSelector:
matchLabels:
env: dev
- name: test
values:
replicas: 3
clusterSelector:
matchLabels:
env: test
- name: prod
values:
serviceType: LoadBalancer
replicas: 3
clusterSelector:
matchLabels:
env: prod

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namespace: fleet-helm-kustomize-example
chart: https://github.com/rancher/fleet-examples/releases/download/example/guestbook-0.0.0.tgz
targets:
- name: dev
clusterSelector:
matchLabels:
env: dev
# NOTE: This directory is always relative to ./kustomize
kustomizeDir: overlays/dev
- name: test
clusterSelector:
matchLabels:
env: test
# NOTE: This directory is always relative to ./kustomize
kustomizeDir: overlays/test
- name: prod
clusterSelector:
matchLabels:
env: prod
# NOTE: This directory is always relative to ./kustomize
kustomizeDir: overlays/prod

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namespace: fleet-kustomize-example
targets:
- name: dev
clusterSelector:
matchLabels:
env: dev
# NOTE: This directory is always relative to ./kustomize
kustomizeDir: overlays/dev
- name: test
clusterSelector:
matchLabels:
env: test
# NOTE: This directory is always relative to ./kustomize
kustomizeDir: overlays/test
- name: prod
clusterSelector:
matchLabels:
env: prod
# NOTE: This directory is always relative to ./kustomize
kustomizeDir: overlays/prod

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namespace: fleet-manifest-example
targets:
- name: dev
clusterSelector:
matchLabels:
env: dev
overlays:
- noreplication
- name: test
clusterSelector:
matchLabels:
env: test
overlays:
- scale3
- name: prod
clusterSelector:
matchLabels:
env: prod
overlays:
- servicelb
- scale3

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This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
packaged as a Helm chart downloaded from a third party source.
The app will be deployed into the `fleet-helm-external-example` namespace.
The app will be deployed into the `fleet-mc-helm-external-example` namespace.
The application will be customized as follows per environment:
@ -18,9 +18,9 @@ metadata:
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
bundleDirs:
paths:
- helm-external
targets:
targetCustomizations:
- name: dev
clusterSelector:
matchLabels:

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namespace: fleet-mc-helm-external-example
helm:
chart: https://github.com/rancher/fleet-examples/releases/download/example/guestbook-0.0.0.tgz
targets:
- name: dev
helm:
values:
replication: false
clusterSelector:
matchLabels:
env: dev
- name: test
helm:
values:
replicas: 3
clusterSelector:
matchLabels:
env: test
- name: prod
helm:
values:
serviceType: LoadBalancer
replicas: 3
clusterSelector:
matchLabels:
env: prod

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This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
packaged as a Helm chart downloaded from a third party source and will modify the helm chart using Kustomize.
The app will be deployed into the `fleet-helm-kustomize-example` namespace.
The app will be deployed into the `fleet-mc-helm-kustomize-example` namespace.
The application will be customized as follows per environment:
@ -18,9 +18,9 @@ metadata:
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
bundleDirs:
paths:
- helm-kustomize
targets:
targetCustomizations:
- name: dev
clusterSelector:
matchLabels:

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namespace: fleet-mc-helm-kustomize-example
helm:
chart: https://github.com/rancher/fleet-examples/releases/download/example/guestbook-0.0.0.tgz
targets:
- name: dev
clusterSelector:
matchLabels:
env: dev
kustomize:
dir: overlays/dev
- name: test
clusterSelector:
matchLabels:
env: test
kustomize:
dir: overlays/test
- name: prod
clusterSelector:
matchLabels:
env: prod
kustomize:
dir: overlays/prod

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This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
packaged as a Helm chart.
The app will be deployed into the `fleet-helm-example` namespace.
The app will be deployed into the `fleet-mc-helm-example` namespace.
The application will be customized as follows per environment:
@ -18,9 +18,9 @@ metadata:
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
bundleDirs:
paths:
- helm
targets:
targetCustomizations:
- name: dev
clusterSelector:
matchLabels:

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namespace: fleet-mc-helm-example
targetCustomizations:
- name: dev
helm:
values:
replication: false
clusterSelector:
matchLabels:
env: dev
- name: test
helm:
values:
replicas: 3
clusterSelector:
matchLabels:
env: test
- name: prod
helm:
values:
serviceType: LoadBalancer
replicas: 3
clusterSelector:
matchLabels:
env: prod

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# Helm Example
This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application
using kustomize. The app will be deployed into the `fleet-kustomize-example` namespace.
using kustomize. The app will be deployed into the `fleet-mc-kustomize-example` namespace.
The application will be customized as follows per environment:
@ -19,7 +19,7 @@ spec:
repo: https://github.com/rancher/fleet-examples/
bundleDirs:
- kustomize
targets:
targetCustomization:
- name: dev
clusterSelector:
matchLabels:

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namespace: fleet-helm-example
namespace: fleet-mc-kustomize-example
targets:
- name: dev
values:
replication: false
clusterSelector:
matchLabels:
env: dev
kustomize:
dir: overlays/dev
- name: test
values:
replicas: 3
clusterSelector:
matchLabels:
env: test
kustomize:
dir: overlays/test
- name: prod
values:
serviceType: LoadBalancer
replicas: 3
clusterSelector:
matchLabels:
env: prod
kustomize:
dir: overlays/prod

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# Manifests Example
This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application.
The app will be deployed into the `fleet-manifest-example` namespace.
The app will be deployed into the `fleet-mc-manifest-example` namespace.
The application will be customized as follows per environment:
@ -19,7 +19,7 @@ spec:
repo: https://github.com/rancher/fleet-examples/
bundleDirs:
- manifests
targets:
targetCustomizations:
- name: dev
clusterSelector:
matchLabels:

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namespace: fleet-mc-manifest-example
targets:
- name: dev
clusterSelector:
matchLabels:
env: dev
yaml:
overlays:
# Refers to overlays/noreplication folder
- noreplication
- name: test
clusterSelector:
matchLabels:
env: test
yaml:
overlays:
# Refers to overlays/scale3 folder
- scale3
- name: prod
clusterSelector:
matchLabels:
env: prod
yaml:
# Refers to overlays/servicelb, scale3 folders
overlays:
- servicelb
- scale3

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@ -11,6 +11,6 @@ metadata:
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
bundleDirs:
paths:
- simple
```

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# Helm Kustomize Example
This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
packaged as a Helm chart downloaded from a third party source and will modify the helm chart using Kustomize.
The app will be deployed into the `fleet-helm-kustomize-example` namespace.
```yaml
kind: GitRepo
apiVersion: fleet.cattle.io/v1alpha1
metadata:
name: helm-kustomize
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
paths:
- helm-kustomize
```

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# This file and all contents in it are OPTIONAL.
#
# Refer to ../helm/fleet.yaml and ../kustomize/fleet.yaml for the full reference
# of what can be included here. All Helm and Kustomize options apply
namespace: fleet-helm-kustomize-example
helm:
chart: https://github.com/rancher/fleet-examples/releases/download/example/guestbook-0.0.0.tgz
kustomize:
dir: ./overlays/dev

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patches:
- redis-slave-deployment.yaml
- redis-slave-service.yaml

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kind: Deployment
apiVersion: apps/v1
metadata:
name: redis-slave
spec:
replicas: 0

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kind: Service
apiVersion: v1
metadata:
name: redis-slave
spec:
selector:
role: master

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apiVersion: v2
name: guestbook
description: Sample application
version: 0.0.0
appVersion: 0.0.0

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# Helm Example
This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
packaged as a Helm chart.
The app will be deployed into the `fleet-helm-example` namespace.
```yaml
kind: GitRepo
apiVersion: fleet.cattle.io/v1alpha1
metadata:
name: helm
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
paths:
- single-cluster/helm
```

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# This file and all contents in it are OPTIONAL.
# The namespace this chart will be installed to,
# if not specified the chart will be installed to "default"
namespace: fleet-multi-chart-helm-example
# Custom helm options
helm:
# The release name to use. If empty a generated release name will be used
releaseName: guestbook
# The directory of the chart in the repo. Also any valid go-getter supported
# URL can be used there is specify where to download the chart from.
# If repo below is set this value if the chart name in the repo
chart: ""
# An https to a valid Helm repository to download the chart from
repo: ""
# Used if repo is set to look up the version of the chart
version: ""
# Force recreate resource that can not be updated
force: false
# How long for helm to wait for the release to be active. If the value
# is less that or equal to zero, we will not wait in Helm
timeoutSeconds: 0
# Custom values that will be passed as values.yaml to the installation
values:
replicas: 2

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apiVersion: apps/v1
kind: Deployment
metadata:
name: frontend
spec:
selector:
matchLabels:
app: guestbook
tier: frontend
replicas: {{ .Values.replicas }}
template:
metadata:
labels:
app: guestbook
tier: frontend
spec:
containers:
- name: php-redis
image: gcr.io/google-samples/gb-frontend:v4
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 80

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apiVersion: v1
kind: Service
metadata:
name: frontend
labels:
app: guestbook
tier: frontend
spec:
type: "{{ .Values.serviceType }}"
ports:
- port: 80
selector:
app: guestbook
tier: frontend

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apiVersion: apps/v1
kind: Deployment
metadata:
name: redis-master
spec:
selector:
matchLabels:
app: redis
role: master
tier: backend
replicas: 1
template:
metadata:
labels:
app: redis
role: master
tier: backend
spec:
containers:
- name: master
image: redis
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 6379

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apiVersion: v1
kind: Service
metadata:
name: redis-master
labels:
app: redis
role: master
tier: backend
spec:
ports:
- port: 6379
targetPort: 6379
selector:
app: redis
role: master
tier: backend

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{{ if .Values.replication }}
apiVersion: apps/v1
kind: Deployment
metadata:
name: redis-slave
spec:
selector:
matchLabels:
app: redis
role: slave
tier: backend
replicas: 2
template:
metadata:
labels:
app: redis
role: slave
tier: backend
spec:
containers:
- name: slave
image: gcr.io/google_samples/gb-redisslave:v1
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 6379
{{ end }}

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apiVersion: v1
kind: Service
metadata:
name: redis-slave
labels:
app: redis
role: slave
tier: backend
spec:
ports:
- port: 6379
selector:
app: redis
{{ if .Values.replication }}
role: slave
{{ else }}
role: master
{{ end }}
tier: backend

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replication: true
replicas: 1
serviceType: NodePort

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namespace: cattle-monitoring-system
helm:
releaseName: rancher-monitoring-crd
chart: rancher-monitoring-crd
repo: https://charts.rancher.io

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namespace: cattle-monitoring-system
helm:
releaseName: rancher-monitoring
repo: https://charts.rancher.io
chart: rancher-monitoring
diff:
comparePatches:
- apiVersion: admissionregistration.k8s.io/v1beta1
kind: MutatingWebhookConfiguration
name: rancher-monitoring-admission
operations:
- {"op":"remove", "path":"/webhooks/0/failurePolicy"}
- {"op":"remove", "path":"/webhooks/0/rules/0/scope"}
- apiVersion: admissionregistration.k8s.io/v1beta1
kind: ValidatingWebhookConfiguration
name: rancher-monitoring-admission
operations:
- {"op":"remove", "path":"/webhooks/0/failurePolicy"}
- {"op":"remove", "path":"/webhooks/0/rules/0/scope"}
- apiVersion: policy/v1beta1
kind: PodSecurityPolicy
operations:
- {"op":"remove", "path":"/spec/hostIPC"}
- {"op":"remove", "path":"/spec/hostNetwork"}
- {"op":"remove", "path":"/spec/hostPID"}
- {"op":"remove", "path":"/spec/privileged"}
- {"op":"remove", "path":"/spec/readOnlyRootFilesystem"}
- apiVersion: apps/v1
kind: Deployment
name: rancher-monitoring-grafana
namespace: cattle-monitoring-system
operations:
- {"op":"remove", "path":"/spec/template/spec/containers/0/env/0/value"}
- apiVersion: apps/v1
kind: Deployment
operations:
- {"op":"remove", "path":"/spec/template/spec/hostNetwork"}
- {"op":"remove", "path":"/spec/template/spec/nodeSelector"}
- {"op":"remove", "path":"/spec/template/spec/priorityClassName"}
- {"op":"remove", "path":"/spec/template/spec/tolerations"}
- apiVersion: v1
kind: ServiceAccount
operations:
- {"op":"remove", "path":"/imagePullSecrets"}

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apiVersion: v2
name: guestbook
description: Sample application
version: 0.0.0
appVersion: 0.0.0

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@ -0,0 +1,17 @@
# Helm Example
This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
packaged as a Helm chart.
The app will be deployed into the `fleet-helm-example` namespace.
```yaml
kind: GitRepo
apiVersion: fleet.cattle.io/v1alpha1
metadata:
name: helm
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
paths:
- single-cluster/helm
```

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# This file and all contents in it are OPTIONAL.
# The namespace this chart will be installed to,
# if not specified the chart will be installed to "default"
namespace: fleet-helm-example
# Custom helm options
helm:
# The release name to use. If empty a generated release name will be used
releaseName: guestbook
# The directory of the chart in the repo. Also any valid go-getter supported
# URL can be used there is specify where to download the chart from.
# If repo below is set this value if the chart name in the repo
chart: ""
# An https to a valid Helm repository to download the chart from
repo: ""
# Used if repo is set to look up the version of the chart
version: ""
# Force recreate resource that can not be updated
force: false
# How long for helm to wait for the release to be active. If the value
# is less that or equal to zero, we will not wait in Helm
timeoutSeconds: 0
# Custom values that will be passed as values.yaml to the installation
values:
replicas: 2

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apiVersion: apps/v1
kind: Deployment
metadata:
name: frontend
spec:
selector:
matchLabels:
app: guestbook
tier: frontend
replicas: {{ .Values.replicas }}
template:
metadata:
labels:
app: guestbook
tier: frontend
spec:
containers:
- name: php-redis
image: gcr.io/google-samples/gb-frontend:v4
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 80

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@ -0,0 +1,14 @@
apiVersion: v1
kind: Service
metadata:
name: frontend
labels:
app: guestbook
tier: frontend
spec:
type: "{{ .Values.serviceType }}"
ports:
- port: 80
selector:
app: guestbook
tier: frontend

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apiVersion: apps/v1
kind: Deployment
metadata:
name: redis-master
spec:
selector:
matchLabels:
app: redis
role: master
tier: backend
replicas: 1
template:
metadata:
labels:
app: redis
role: master
tier: backend
spec:
containers:
- name: master
image: redis
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 6379

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@ -0,0 +1,16 @@
apiVersion: v1
kind: Service
metadata:
name: redis-master
labels:
app: redis
role: master
tier: backend
spec:
ports:
- port: 6379
targetPort: 6379
selector:
app: redis
role: master
tier: backend

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@ -0,0 +1,29 @@
{{ if .Values.replication }}
apiVersion: apps/v1
kind: Deployment
metadata:
name: redis-slave
spec:
selector:
matchLabels:
app: redis
role: slave
tier: backend
replicas: 2
template:
metadata:
labels:
app: redis
role: slave
tier: backend
spec:
containers:
- name: slave
image: gcr.io/google_samples/gb-redisslave:v1
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 6379
{{ end }}

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@ -0,0 +1,19 @@
apiVersion: v1
kind: Service
metadata:
name: redis-slave
labels:
app: redis
role: slave
tier: backend
spec:
ports:
- port: 6379
selector:
app: redis
{{ if .Values.replication }}
role: slave
{{ else }}
role: master
{{ end }}
tier: backend

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@ -0,0 +1,3 @@
replication: true
replicas: 1
serviceType: NodePort

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@ -0,0 +1,16 @@
# Helm Example
This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application
using kustomize. The app will be deployed into the `fleet-kustomize-example` namespace.
```yaml
kind: GitRepo
apiVersion: fleet.cattle.io/v1alpha1
metadata:
name: kustomize
namespace: fleet-local
spec:
repo: https://github.com/rancher/fleet-examples/
paths:
- single-cluster/kustomize
```

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@ -0,0 +1,25 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: frontend
spec:
selector:
matchLabels:
app: guestbook
tier: frontend
replicas: 1
template:
metadata:
labels:
app: guestbook
tier: frontend
spec:
containers:
- name: php-redis
image: gcr.io/google-samples/gb-frontend:v4
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 80

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@ -0,0 +1,14 @@
apiVersion: v1
kind: Service
metadata:
name: frontend
labels:
app: guestbook
tier: frontend
spec:
type: NodePort
ports:
- port: 80
selector:
app: guestbook
tier: frontend

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@ -0,0 +1,7 @@
resources:
- frontend-deployment.yaml
- frontend-service.yaml
- redis-master-deployment.yaml
- redis-master-service.yaml
- redis-slave-deployment.yaml
- redis-slave-service.yaml

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apiVersion: apps/v1
kind: Deployment
metadata:
name: redis-master
spec:
selector:
matchLabels:
app: redis
role: master
tier: backend
replicas: 1
template:
metadata:
labels:
app: redis
role: master
tier: backend
spec:
containers:
- name: master
image: redis
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 6379

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@ -0,0 +1,16 @@
apiVersion: v1
kind: Service
metadata:
name: redis-master
labels:
app: redis
role: master
tier: backend
spec:
ports:
- port: 6379
targetPort: 6379
selector:
app: redis
role: master
tier: backend

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@ -0,0 +1,27 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: redis-slave
spec:
selector:
matchLabels:
app: redis
role: slave
tier: backend
replicas: 2
template:
metadata:
labels:
app: redis
role: slave
tier: backend
spec:
containers:
- name: slave
image: gcr.io/google_samples/gb-redisslave:v1
resources:
requests:
cpu: 100m
memory: 100Mi
ports:
- containerPort: 6379

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@ -0,0 +1,15 @@
apiVersion: v1
kind: Service
metadata:
name: redis-slave
labels:
app: redis
role: slave
tier: backend
spec:
ports:
- port: 6379
selector:
app: redis
role: slave
tier: backend

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@ -0,0 +1,11 @@
# This file and all contents in it are OPTIONAL.
# The default namespace to apply to resources that are namespaced
# but do not specify a namespace. In this example no resources
# are configured with a namespace so this default will apply
namespace: fleet-kustomize-example
kustomize:
# To use a kustomization.yaml different from the one in the root folder
dir: ""

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