From e6a1d32f0e9aa62e650116da33b1e3b1bda40025 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Sat, 19 Feb 2022 22:25:52 +0100
Subject: [PATCH] Some experimenting with docker api

---
 .editorconfig           |  3 ++-
 src/build.v             |  2 +-
 src/docker/containers.v |  4 ++--
 src/docker/docker.v     | 41 ++++++++++++++++++++++++++++++++++++++---
 4 files changed, 43 insertions(+), 7 deletions(-)

diff --git a/.editorconfig b/.editorconfig
index 355c6bf..630e4fa 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,4 +7,5 @@ end_of_line = lf
 insert_final_newline = true
 
 [*.v]
-indent_style = space
+# vfmt wants it :(
+indent_style = tab
diff --git a/src/build.v b/src/build.v
index 85633a4..304aaf2 100644
--- a/src/build.v
+++ b/src/build.v
@@ -3,5 +3,5 @@ module main
 import docker
 
 fn build() {
-	println(docker.containers() or { panic('yeet') })
+    println(docker.pull('archlinux', 'latest') or { panic('yeetus') })
 }
diff --git a/src/docker/containers.v b/src/docker/containers.v
index 53d2880..f0a1223 100644
--- a/src/docker/containers.v
+++ b/src/docker/containers.v
@@ -4,8 +4,8 @@ import json
 import net.urllib
 
 struct Container {
-	id    string
-	names []string
+    id    string [json: Id]
+    names []string [json: Names]
 }
 
 pub fn containers() ?[]Container {
diff --git a/src/docker/docker.v b/src/docker/docker.v
index 7f9d5db..7f5c854 100644
--- a/src/docker/docker.v
+++ b/src/docker/docker.v
@@ -3,20 +3,20 @@ module docker
 import net.unix
 import net.urllib
 import net.http
+import json
 
 const socket = '/var/run/docker.sock'
 
 const buf_len = 1024
 
-fn request(method string, url urllib.URL) ?http.Response {
-	req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\n\n'
-
+fn send(req &string) ?http.Response {
 	// Open a connection to the socket
 	mut s := unix.connect_stream(docker.socket) ?
 
 	defer {
 		// This or is required because otherwise, the V compiler segfaults for
 		// some reason
+		// https://github.com/vlang/v/issues/13534
 		s.close() or {}
 	}
 
@@ -42,8 +42,43 @@ fn request(method string, url urllib.URL) ?http.Response {
 
 	// Decode chunked response
 	return http.parse_response(res.bytestr())
+
+}
+
+fn request_with_body(method string, url urllib.URL, body &string) ?http.Response {
+	req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\nContent-Length: ${body.len}\n$body\n'
+
+	return send(req)
+}
+
+fn request(method string, url urllib.URL) ?http.Response {
+	req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\n\n'
+
+	return send(req)
+}
+
+pub fn request_with_json<T>(method string, url urllib.URL, data T) ?http.Response {
+	body := json.encode(data)
+	println(body)
+
+	return request_with_body(method, url, body)
 }
 
 fn get(url urllib.URL) ?http.Response {
 	return request('GET', url)
 }
+
+struct ImagePull {
+	from_image string [json: fromImage]
+	tag string
+}
+
+pub fn pull(image string, tag string) ?http.Response {
+	// data := ImagePull{
+	// 	from_image: image
+	// 	tag: tag
+	// }
+
+	// return request_with_json("POST", urllib.parse("/images/create") ?, data)
+	return request("POST", urllib.parse("/images/create?fromImage=$image&tag=$tag") ?)
+}