Add the guestbook example app (v0.1)

README.md

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+# ArgoCD Example Apps

guestbook/.gitignore

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+/lib
+/.ksonnet/registries
+/app.override.yaml
+/.ks_environment

guestbook/app.yaml

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+apiVersion: 0.1.0
+environments:
+  default:
+    destination:
+      namespace: default
+      server: https://kubernetes.default.svc
+    k8sVersion: v1.10.0
+    path: default
+kind: ksonnet.io/app
+name: guestbook
+version: 0.0.1

guestbook/components/guestbook-ui.jsonnet

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+local env = std.extVar("__ksonnet/environments");
+local params = std.extVar("__ksonnet/params").components["guestbook-ui"];
+[
+   {
+      "apiVersion": "v1",
+      "kind": "Service",
+      "metadata": {
+         "name": params.name
+      },
+      "spec": {
+         "ports": [
+            {
+               "port": params.servicePort,
+               "targetPort": params.containerPort
+            }
+         ],
+         "selector": {
+            "app": params.name
+         },
+         "type": params.type
+      }
+   },
+   {
+      "apiVersion": "apps/v1beta2",
+      "kind": "Deployment",
+      "metadata": {
+         "name": params.name
+      },
+      "spec": {
+         "replicas": params.replicas,
+         "selector": {
+            "matchLabels": {
+               "app": params.name
+            },
+         },
+         "template": {
+            "metadata": {
+               "labels": {
+                  "app": params.name
+               }
+            },
+            "spec": {
+               "containers": [
+                  {
+                     "image": params.image,
+                     "name": params.name,
+                     "ports": [
+                     {
+                        "containerPort": params.containerPort
+                     }
+                     ]
+                  }
+               ]
+            }
+         }
+      }
+   }
+]

guestbook/components/params.libsonnet

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+{
+  global: {
+    // User-defined global parameters; accessible to all component and environments, Ex:
+    // replicas: 4,
+  },
+  components: {
+    // Component-level parameters, defined initially from 'ks prototype use ...'
+    // Each object below should correspond to a component in the components/ directory
+    "guestbook-ui": {
+      containerPort: 80,
+      image: "gcr.io/heptio-images/ks-guestbook-demo:0.1",
+      name: "guestbook-ui",
+      replicas: 1,
+      servicePort: 80,
+      type: "LoadBalancer",
+    },
+  },
+}

guestbook/environments/base.libsonnet

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+local components = std.extVar("__ksonnet/components");
+components + {
+  // Insert user-specified overrides here.
+}

guestbook/environments/default/globals.libsonnet

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+{
+}

guestbook/environments/default/main.jsonnet

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+local base = import "base.libsonnet";
+// uncomment if you reference ksonnet-lib
+// local k = import "k.libsonnet";
+
+base + {
+  // Insert user-specified overrides here. For example if a component is named \"nginx-deployment\", you might have something like:\n")
+  // "nginx-deployment"+: k.deployment.mixin.metadata.labels({foo: "bar"})
+}

guestbook/environments/default/params.libsonnet

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+local params = std.extVar("__ksonnet/params");
+local globals = import "globals.libsonnet";
+local envParams = params + {
+  components +: {
+    // Insert component parameter overrides here. Ex:
+    // guestbook +: {
+    //   name: "guestbook-dev",
+    //   replicas: params.global.replicas,
+    // },
+  },
+};
+
+{
+  components: {
+    [x]: envParams.components[x] + globals, for x in std.objectFields(envParams.components)
+  },
+}