From c8ea9ec9f4fdc66f647a53b205bc4e7f42f448f7 Mon Sep 17 00:00:00 2001
From: loveuer <loveuer@live.com>
Date: Fri, 5 Apr 2024 12:47:51 +0800
Subject: [PATCH] feat: echo(get,set file)

---
 deployment/echo.yaml    | 12 +++++------
 service/echo/Dockerfile |  4 +++-
 service/echo/main.go    | 47 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+), 8 deletions(-)

diff --git a/deployment/echo.yaml b/deployment/echo.yaml
index e9abb6b..7de789d 100644
--- a/deployment/echo.yaml
+++ b/deployment/echo.yaml
@@ -21,14 +21,14 @@ spec:
     spec:
       containers:
         - name: system
-          image: loveuer/echo_app:v0.0.1
+          image: loveuer/echo_app:v24.04.05-2
           imagePullPolicy: IfNotPresent
           command: ["/app/echo_app"]
           ports:
             - containerPort: 80
           resources:
             limits:
-              memory: 60Mi
+              memory: 50Mi
               cpu: 1
           volumeMounts:
             - mountPath: /data
@@ -45,7 +45,7 @@ metadata:
   namespace: echo-app
   name: echo-pvc
 spec:
-  accessModes: ["ReadWriteMany"]
+  accessModes: ["ReadWriteOnce"]
   storageClassName: "echo-storage"
   resources:
     requests:
@@ -60,14 +60,12 @@ metadata:
 spec:
   capacity:
     storage: 1Gi
-  volumeMode: Filesystem  # Filesystem（文件系统） Block（块）
   accessModes:
-    - ReadWriteMany
-  # persistentVolumeReclaimPolicy: Delete
+    - ReadWriteOnce
   persistentVolumeReclaimPolicy: Retain
   hostPath:
     path: /data/echo-app
-    type: ''
+    type: ""
   storageClassName: "echo-storage"
   volumeMode: Filesystem
 ---
diff --git a/service/echo/Dockerfile b/service/echo/Dockerfile
index 7420c7d..1038985 100644
--- a/service/echo/Dockerfile
+++ b/service/echo/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.14-alpine3.19 AS builder
+FROM golang:latest AS builder
 
 WORKDIR /app/build
 
@@ -7,6 +7,8 @@ COPY go.sum .
 COPY service/echo/main.go .
 
 ENV GOPROXY https://goproxy.io
+ENV GOOS linux
+ENV GOARCH amd64
 
 RUN go mod download && go build -ldflags='-s -w' -o echo_app .
 
diff --git a/service/echo/main.go b/service/echo/main.go
index 9fb4bed..a09b48e 100644
--- a/service/echo/main.go
+++ b/service/echo/main.go
@@ -3,7 +3,9 @@ package main
 import (
 	"flag"
 	"fmt"
+	"io"
 	"log"
+	"net/http"
 	"os"
 	"path"
 	"time"
@@ -37,6 +39,51 @@ func main() {
 		return c.Next()
 	})
 
+	app.Get("/echo/file", func(c *nf.Ctx) error {
+		type Req struct {
+			Filename string `query:"filename"`
+			Download bool   `query:"download"`
+		}
+
+		var (
+			err  error
+			req  = new(Req)
+			file *os.File
+			bs   []byte
+		)
+
+		if err = c.QueryParser(req); err != nil {
+			return resp.Resp400(c, err.Error())
+		}
+
+		if req.Filename == "" {
+			return resp.Resp400(c, req, "empty file name")
+		}
+
+		filename := path.Join(root, path.Base(req.Filename))
+
+		if file, err = os.Open(filename); err != nil {
+			return resp.Resp400(c, nf.Map{"filepath": filename, "err": err.Error()})
+		}
+
+		if bs, err = io.ReadAll(file); err != nil {
+			return resp.Resp400(c, nf.Map{"filepath": filename, "err": err.Error()})
+		}
+
+		ct := ""
+		if len(bs) > 512 {
+			ct = http.DetectContentType(bs[:512])
+		} else {
+			ct = http.DetectContentType(bs)
+		}
+
+		c.SetHeader("Content-Type", ct)
+
+		_, err = c.Write(bs)
+
+		return err
+	})
+
 	app.Post("/echo/file", func(c *nf.Ctx) error {
 		type Req struct {
 			Filename string