docker/images.v

61 lines
1.4 KiB
V

module docker
import net.http { Method }
import json
struct Image {
pub:
id string [json: Id]
}
// pull_image pulls the given image:tag.
pub fn (mut d DockerConn) pull_image(image string, tag string) ! {
d.send_request(Method.post, '/images/create?fromImage=$image&tag=$tag')!
head := d.read_response_head()!
if head.status_code != 200 {
content_length := head.header.get(http.CommonHeader.content_length)!.int()
body := d.read_response_body(content_length)!
data := json.decode(DockerError, body)!
return error(data.message)
}
// Keep reading the body until the pull has completed
mut body := d.get_chunked_response_reader()
mut buf := []u8{len: 1024}
for {
body.read(mut buf) or { break }
}
}
// create_image_from_container creates a new image from a container.
pub fn (mut d DockerConn) create_image_from_container(id string, repo string, tag string) !Image {
d.send_request(Method.post, '/commit?container=$id&repo=$repo&tag=$tag')!
head, body := d.read_response()!
if head.status_code != 201 {
data := json.decode(DockerError, body)!
return error(data.message)
}
data := json.decode(Image, body)!
return data
}
// remove_image removes the image with the given id.
pub fn (mut d DockerConn) remove_image(id string) ! {
d.send_request(Method.delete, '/images/$id')!
head, body := d.read_response()!
if head.status_code != 200 {
data := json.decode(DockerError, body)!
return error(data.message)
}
}