From 6c946d62ebee393ff42ce8d6bd3eb04d0994c241 Mon Sep 17 00:00:00 2001
From: Sacha Froment <sfroment42@gmail.com>
Date: Tue, 13 Dec 2016 19:09:29 +0100
Subject: [PATCH] Add k8s example (#19)

---
 examples/k8s/Makefile                          | 10 ++++++++++
 examples/k8s/gen/nginx/dpl.yaml                | 18 ++++++++++++++++++
 examples/k8s/gen/nginx/svc.yaml                | 10 ++++++++++
 examples/k8s/nginx.proto                       | 11 +++++++++++
 .../templates/{{.File.Package}}/dpl.yaml.tmpl  | 18 ++++++++++++++++++
 .../templates/{{.File.Package}}/svc.yaml.tmpl  | 10 ++++++++++
 6 files changed, 77 insertions(+)
 create mode 100644 examples/k8s/Makefile
 create mode 100644 examples/k8s/gen/nginx/dpl.yaml
 create mode 100644 examples/k8s/gen/nginx/svc.yaml
 create mode 100644 examples/k8s/nginx.proto
 create mode 100644 examples/k8s/templates/{{.File.Package}}/dpl.yaml.tmpl
 create mode 100644 examples/k8s/templates/{{.File.Package}}/svc.yaml.tmpl

diff --git a/examples/k8s/Makefile b/examples/k8s/Makefile
new file mode 100644
index 0000000..e9af61d
--- /dev/null
+++ b/examples/k8s/Makefile
@@ -0,0 +1,10 @@
+SOURCES :=	$(shell find . -name "*.proto" -not -path ./vendor/\*)
+
+TARGETS_K8S :=	$(foreach source, $(SOURCES), $(source)_k8s)
+
+.PHONY: build
+build: $(TARGETS_K8S)
+
+$(TARGETS_K8S): %_k8s:
+	@mkdir -p $(dir $*)gen
+	protoc $(PROTOC_OPTS) --gotemplate_out=debug=true,template_dir=./templates:$(dir $*)gen "$*"
\ No newline at end of file
diff --git a/examples/k8s/gen/nginx/dpl.yaml b/examples/k8s/gen/nginx/dpl.yaml
new file mode 100644
index 0000000..342d1b0
--- /dev/null
+++ b/examples/k8s/gen/nginx/dpl.yaml
@@ -0,0 +1,18 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: nginx
+  labels:
+    method: Hello-World-nginx
+spec:
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        ports:
+        - containerPort: 80
\ No newline at end of file
diff --git a/examples/k8s/gen/nginx/svc.yaml b/examples/k8s/gen/nginx/svc.yaml
new file mode 100644
index 0000000..485e0e7
--- /dev/null
+++ b/examples/k8s/gen/nginx/svc.yaml
@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx
+spec:
+  selector:
+    app: nginx
+  ports:
+  - name: http
+    port: 80
\ No newline at end of file
diff --git a/examples/k8s/nginx.proto b/examples/k8s/nginx.proto
new file mode 100644
index 0000000..2b2d776
--- /dev/null
+++ b/examples/k8s/nginx.proto
@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package nginx;
+
+message Empty {
+}
+
+service Nginx {
+  rpc Hello(Empty) returns (Empty) {}
+  rpc World(Empty) returns (Empty) {}
+}
\ No newline at end of file
diff --git a/examples/k8s/templates/{{.File.Package}}/dpl.yaml.tmpl b/examples/k8s/templates/{{.File.Package}}/dpl.yaml.tmpl
new file mode 100644
index 0000000..946526c
--- /dev/null
+++ b/examples/k8s/templates/{{.File.Package}}/dpl.yaml.tmpl
@@ -0,0 +1,18 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{.File.Package}}
+  labels:
+    method: {{range .Service.Method}}{{.Name}}-{{end}}{{.File.Package}}
+spec:
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: {{.File.Package}}
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        ports:
+        - containerPort: 80
\ No newline at end of file
diff --git a/examples/k8s/templates/{{.File.Package}}/svc.yaml.tmpl b/examples/k8s/templates/{{.File.Package}}/svc.yaml.tmpl
new file mode 100644
index 0000000..1fc1d86
--- /dev/null
+++ b/examples/k8s/templates/{{.File.Package}}/svc.yaml.tmpl
@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{.File.Package}}
+spec:
+  selector:
+    app: {{.File.Package}}
+  ports:
+  - name: http
+    port: 80
\ No newline at end of file