initial commit

.drone.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+VERSION=${DRONE_BUILD_NUMBER}
+CGO_ENABLED=0 GOOS=linux go build -a -gcflags '-e' -ldflags "-X main.version=$VERSION -s -w" -o db db.go
+CGO_ENABLED=0 GOOS=linux go build -a -gcflags '-e' -ldflags "-X main.version=$VERSION -s -w" -o srv srv.go

.drone.yaml

@@ -0,0 +1,54 @@
+workspace:
+  base: /go
+  path: src/github.com/drone/drone
+
+pipeline:
+  test:
+    image: golang:alpine
+    commands:
+      - go test -cover db.go
+      - go test -cover srv.go
+
+  build:
+    image: golang:alpine
+    commands: sh .drone.sh
+    when:
+      event: [ push, tag ]
+
+  publish_srv:
+    image: plugins/docker
+    repo: ciapp/srv
+    registry: kube-registry.kube-system.svc.cluster.local:5000
+    dockerfile: Dockerfile.srv
+    tag: [ latest ]
+    when:
+      branch: master
+      event: push
+
+  publish_db:
+    image: plugins/docker
+    repo: ciapp/db
+    registry: kube-registry.kube-system.svc.cluster.local:5000
+    dockerfile: Dockerfile.db
+    tag: [ latest ]
+    when:
+      branch: master
+      event: push
+
+  release_srv:
+    image: plugins/docker
+    repo: ciapp/srv
+    registry: kube-registry.kube-system.svc.cluster.local:5000
+    dockerfile: Dockerfile.srv
+    tag: [ v1, v2 ]
+    when:
+      event: tag
+
+  release_db:
+    image: plugins/docker
+    repo: ciapp/db
+    registry: kube-registry.kube-system.svc.cluster.local:5000
+    dockerfile: Dockerfile.db
+    tag: [ v1, v2 ]
+    when:
+      event: tag

Dockerfile.db

@@ -0,0 +1,7 @@
+FROM scratch
+ADD db /db
+RUN echo -e "root:x:0:0:root:/:\nappuser:x:1000:1000:appuser:/:" > /etc/passwd
+RUN echo -e "root:x:0:root\nappuser:x:1000:" > /etc/group
+USER appuser
+EXPOSE 8080
+ENTRYPOINT ["/db"]

Dockerfile.srv

@@ -0,0 +1,7 @@
+FROM scratch
+ADD db /db
+RUN echo -e "root:x:0:0:root:/:\nappuser:x:1000:1000:appuser:/:" > /etc/passwd
+RUN echo -e "root:x:0:root\nappuser:x:1000:" > /etc/group
+USER appuser
+EXPOSE 8080
+ENTRYPOINT ["/db"]

db.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"time"
+)
+
+var version string
+
+func main() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		log.Printf("%s %s %s", r.RemoteAddr, r.Method, r.URL)
+		h, err := os.Hostname()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		fmt.Fprintf(w, "%s (%s)\n", h, version)
+	})
+	s := &http.Server{
+		ReadTimeout:  5 * time.Second,
+		WriteTimeout: 10 * time.Second,
+		IdleTimeout:  120 * time.Second,
+		Addr:         ":8080",
+	}
+	log.Fatal(s.ListenAndServe())
+}

srv.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"os/user"
+	"strconv"
+	"time"
+)
+
+var version string
+
+func main() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		log.Printf("%s %s %s", r.RemoteAddr, r.Method, r.URL)
+		h, err := os.Hostname()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		u, err := user.LookupId(strconv.Itoa(os.Getuid()))
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		//url := "http://" + os.Getenv("DB_SERVICE_HOST") + ":" + os.Getenv("DB_SERVICE_PORT")
+		//url := "http://testapp-db.default.svc.cluster.local:8080"
+		url := "http://testapp-db:8080"
+		c := &http.Client{Transport: &http.Transport{
+			DialContext: (&net.Dialer{
+				Timeout: 5 * time.Second,
+			}).DialContext,
+		}}
+		resp, err := c.Get(url)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		fmt.Fprintf(w, "Version: %s\nHostname: %s\nUser: %s (%s) (%s)\nDB URL: %s\nDB GET: %s\n",
+			version, h, u.Username, u.Uid, u.Gid, url, string(body))
+		resp.Body.Close()
+	})
+	s := &http.Server{
+		ReadTimeout:  5 * time.Second,
+		WriteTimeout: 10 * time.Second,
+		IdleTimeout:  120 * time.Second,
+		Addr:         ":8080",
+	}
+	log.Fatal(s.ListenAndServe())
+}