Adds multi-gitrepo example

Signed-off-by: Xavi Garcia <xavi.garcia@suse.com>

single-cluster/multi-gitrepo/frontend/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v2
+name: guestbook-frontend
+description: Sample application frontend
+version: 0.0.0
+appVersion: 0.0.0

single-cluster/multi-gitrepo/frontend/README.md

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+# Multi-GitRepo example (frontend)
+
+This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) frontend application packaged as a Helm chart.
+The app will be deployed into the `fleet-helm-example` namespace.
+It will be deployed as part of the [multi-gitrepo](https://github.com/rancher/fleet-examples/single-cluster/multi-gitrepo) example.
+

single-cluster/multi-gitrepo/frontend/fleet.yaml

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+# This file and all contents in it are OPTIONAL.
+
+# The namespace this chart will be installed and restricted 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-frontend
+
+  # 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

single-cluster/multi-gitrepo/frontend/templates/frontend-deployment.yaml

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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: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        ports:
+        - containerPort: 80

single-cluster/multi-gitrepo/frontend/templates/frontend-service.yaml

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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

single-cluster/multi-gitrepo/frontend/values.yaml

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+replication: true
+replicas: 1
+serviceType: NodePort