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Author SHA1 Message Date
Jef Roosens 959afd37e5
refactor: renamed existing container functions to fit style
ci/woodpecker/push/lint Pipeline was successful Details
2022-06-22 08:17:58 +02:00
Jef Roosens 4fe19d8f6a
feat: implemented container_list
ci/woodpecker/push/lint Pipeline failed Details
2022-06-21 20:28:52 +02:00
Jef Roosens 3bda79f7ce
refactor: simplified api call functions 2022-06-21 15:47:42 +02:00
Jef Roosens 26357f47b5
feat: fully implemented volume_list
ci/woodpecker/push/lint Pipeline failed Details
2022-06-18 22:48:36 +02:00
Jef Roosens 843db9e3ec
chore: added roadmap; started volume_list
ci/woodpecker/push/lint Pipeline failed Details
2022-06-18 22:18:26 +02:00
Jef Roosens f92f73b0ff
chore: added Makefile & ci linting
ci/woodpecker/push/lint Pipeline was successful Details
2022-06-18 20:58:53 +02:00
9 changed files with 373 additions and 31 deletions

2
.gitignore vendored
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@ -1 +1,3 @@
*.so
_docs/

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@ -0,0 +1,13 @@
branches:
exclude: [ main ]
platform: 'linux/amd64'
pipeline:
lint:
image: 'chewingbever/vlang:latest'
pull: true
commands:
- make lint
when:
event: [ push ]

28
Makefile 100644
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@ -0,0 +1,28 @@
# =====CONFIG=====
V_PATH ?= v
V := $(V_PATH) -showcc
all: vdocker
# =====COMPILATION=====
.PHONY: vdocker
vdocker:
$(V) -g -shared .
# =====DOCS=====
.PHONY: api-docs
api-docs:
rm -rf '_docs'
v doc -f html -m -readme .
# =====OTHER=====
.PHONY: lint
lint:
$(V) fmt -verify .
.PHONY: fmt
fmt:
$(V) fmt -w .

143
ROADMAP.md 100644
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@ -0,0 +1,143 @@
# Roadmap
This file keeps track of which parts of the Docker Engine API v1.41 are
currently supported. Note that in-development support is not listed here, so as
long as the full functionality isn't supported, it won't be noted.
This list was taking from the [API
reference](https://docs.docker.com/engine/api/v1.41/).
* Containers
- [x] List containers
- [ ] Create a container
- [ ] Inspect a container
- [ ] List processes running inside a container
- [ ] Get container logs
- [ ] Get changes on a containers filesystem
- [ ] Export a container
- [ ] Get container stats based on resource usage
- [ ] Resize a container TTY
- [ ] Start a container
- [ ] Stop a container
- [ ] Restart a container
- [ ] Kill a container
- [ ] Update a container
- [ ] Rename a container
- [ ] Pause a container
- [ ] Unpause a container
- [ ] Attach to a container
- [ ] Attach to a container via a websocket
- [ ] Wait for a container
- [ ] Remove a container
- [ ] Get information about files in a container
- [ ] Get an archive of a filesystem resource in a container
- [ ] Extract an archive of files or folders to a directory in a container
- [ ] Delete stopped containers
* Images
- [ ] List images
- [ ] Build an image
- [ ] Delete builder cache
- [ ] Create an image
- [ ] Inspect an image
- [ ] Get the history of an image
- [ ] Push an image
- [ ] Tag an image
- [ ] Remove an image
- [ ] Search images
- [ ] Delete unused images
- [ ] Create a new image from a container
- [ ] Export an image
- [ ] Export several images
- [ ] Import images
* Networks
- [ ] List networks
- [ ] Inspect a network
- [ ] Remove a network
- [ ] Create a network
- [ ] Connect a container to a network
- [ ] Disconnect a container from a network
- [ ] Delete unused networks
* Volumes
- [x] List volumes
- [ ] Create a volume
- [ ] Inspect a volume
- [ ] Remove a volume
- [ ] Delete unused volumes
* Exec
- [ ] Create an exec instance
- [ ] Start an exec instance
- [ ] Resize an exec instance
- [ ] Inspect an exec instance
* Swarm
- [ ] Inspect swarm
- [ ] Initialize a new swarm
- [ ] Join an existing swarm
- [ ] Leave a swarm
- [ ] Update a swarm
- [ ] Get the unlock key
- [ ] Unlock a locked manager
* Nodes
- [ ] List nodes
- [ ] Inspect a node
- [ ] Delete a node
- [ ] Update a node
* Services
- [ ] List services
- [ ] Create a service
- [ ] Inspect a service
- [ ] Delete a service
- [ ] Update a service
- [ ] Get service logs
* Tasks
- [ ] List tasks
- [ ] Inspect a task
- [ ] Get task logs
* Secrets
- [ ] List secrets
- [ ] Create a secret
- [ ] Inspect a secret
- [ ] Delete a secret
- [ ] Update a secret
* Configs
- [ ] List configs
- [ ] Create a config
- [ ] Inspect a config
- [ ] Delete a config
- [ ] Update a config
* Plugins
- [ ] List plugins
- [ ] Get plugin privileges
- [ ] Install a plugin
- [ ] Inspect a plugin
- [ ] Remove a plugin
- [ ] Enable a plugin
- [ ] Disable a plugin
- [ ] Upgrade a plugin
- [ ] Create a plugin
- [ ] Push a plugin
- [ ] Configure a plugin
* System
- [ ] Check auth configuration
- [ ] Get system information
- [ ] Get version
- [ ] Ping
- [ ] Monitor events
- [ ] Get data usage information
* Distribution
- [ ] Get image information from the registry
* Session
- [ ] Initialize interactive session

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@ -1,12 +1,81 @@
module vdocker
import json
import net.urllib
import time
import net.http { Method }
struct DockerError {
message string
pub struct Port {
ip string [json: IP]
private_port u16 [json: PrivatePort]
public_port u16 [json: PublicPort]
type_ string [json: Type]
}
pub struct HostConfig {
network_mode string [json: NetworkMode]
}
pub struct EndpointIpamConfig {
ipv4_address string [json: IPv4Address]
ipv6_address string [json: IPv6Address]
link_local_ips []string [json: LinkLocalIPs]
}
pub struct EndpointSettings {
ipam_config EndpointIpamConfig [json: IPAMConfig]
links []string [json: Links]
aliases []string [json: Aliases]
network_id string [json: NetworkID]
endpoint_id string [json: EndpointID]
gateway string [json: Gateway]
ip_address string [json: IPAddress]
ip_prefix_len int [json: IPPrefixLen]
ipv6_gateway string [json: IPv6Gateway]
global_ipv6_address string [json: GlobalIPv6Address]
global_ipv6_prefix_len i64 [json: GlobalIPv6PrefixLen]
mac_address string [json: MacAddress]
driver_opts map[string]string [json: DriverOpts]
}
pub struct NetworkSettings {
networks map[string]EndpointSettings [json: Networks]
}
pub struct MountPoint {
type_ string [json: Type]
name string [json: Name]
source string [json: Source]
destination string [json: Destination]
driver string [json: Driver]
mode string [json: Mode]
rw bool [json: RW]
propagation string [json: Propagation]
}
pub struct ContainerListItem {
id string [json: Id]
names []string [json: Names]
image string [json: Image]
image_id string [json: ImageID]
command string [json: Command]
created i64 [json: Created]
ports []Port [json: Ports]
size_rw i64 [json: SizeRw]
size_root_fs i64 [json: SizeRootFs]
labels map[string]string [json: Labels]
state string [json: State]
status string [json: Status]
host_config HostConfig [json: HostConfig]
network_settings NetworkSettings [json: NetworkSettings]
mounts []MountPoint [json: Mounts]
}
pub fn (mut d DockerConn) container_list() ?[]ContainerListItem {
d.send_request(Method.get, '/containers/json')?
data := d.read_json_response<[]ContainerListItem>()?
return data
}
pub struct NewContainer {
@ -24,9 +93,8 @@ pub:
warnings []string [json: Warnings]
}
// create_container creates a new container with the given config.
pub fn (mut d DockerConn) create_container(c NewContainer) ?CreatedContainer {
d.send_request_with_json(Method.post, urllib.parse('/v1.41/containers/create')?, c)?
pub fn (mut d DockerConn) container_create(c NewContainer) ?CreatedContainer {
d.send_request_with_json(Method.post, '/containers/create', c)?
head, res := d.read_response()?
if head.status_code != 201 {
@ -41,8 +109,8 @@ pub fn (mut d DockerConn) create_container(c NewContainer) ?CreatedContainer {
}
// start_container starts the container with the given id.
pub fn (mut d DockerConn) start_container(id string) ? {
d.send_request(Method.post, urllib.parse('/v1.41/containers/$id/start')?)?
pub fn (mut d DockerConn) container_start(id string) ? {
d.send_request(Method.post, 'containers/$id/start')?
head, body := d.read_response()?
if head.status_code != 204 {
@ -70,9 +138,8 @@ pub mut:
end_time time.Time [skip]
}
// inspect_container returns detailed information for a given container.
pub fn (mut d DockerConn) inspect_container(id string) ?ContainerInspect {
d.send_request(Method.get, urllib.parse('/v1.41/containers/$id/json')?)?
pub fn (mut d DockerConn) container_inspect(id string) ?ContainerInspect {
d.send_request(Method.get, 'containers/$id/json')?
head, body := d.read_response()?
if head.status_code != 200 {
@ -93,9 +160,8 @@ pub fn (mut d DockerConn) inspect_container(id string) ?ContainerInspect {
return data
}
// remove_container removes the container with the given id.
pub fn (mut d DockerConn) remove_container(id string) ? {
d.send_request(Method.delete, urllib.parse('/v1.41/containers/$id')?)?
pub fn (mut d DockerConn) container_remove(id string) ? {
d.send_request(Method.delete, 'containers/$id')?
head, body := d.read_response()?
if head.status_code != 204 {
@ -105,10 +171,8 @@ pub fn (mut d DockerConn) remove_container(id string) ? {
}
}
// get_container_logs returns a reader object allowing access to the
// container's logs.
pub fn (mut d DockerConn) get_container_logs(id string) ?&StreamFormatReader {
d.send_request(Method.get, urllib.parse('/v1.41/containers/$id/logs?stdout=true&stderr=true')?)?
pub fn (mut d DockerConn) container_get_logs(id string) ?&StreamFormatReader {
d.send_request(Method.get, 'containers/$id/logs?stdout=true&stderr=true')?
head := d.read_response_head()?
if head.status_code != 200 {

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@ -13,6 +13,8 @@ const (
buf_len = 10 * 1024
http_separator = [u8(`\r`), `\n`, `\r`, `\n`]
http_chunk_separator = [u8(`\r`), `\n`]
timestamp_attr = 'timestamp'
api_version = 'v1.41'
)
pub struct DockerConn {
@ -39,7 +41,8 @@ pub fn (mut d DockerConn) close() ? {
}
// send_request sends an HTTP request without body.
pub fn (mut d DockerConn) send_request(method http.Method, url urllib.URL) ? {
fn (mut d DockerConn) send_request(method http.Method, url_str string) ? {
url := urllib.parse('/$vdocker.api_version$url_str')?
req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\n\n'
d.socket.write_string(req)?
@ -49,7 +52,8 @@ pub fn (mut d DockerConn) send_request(method http.Method, url urllib.URL) ? {
}
// send_request_with_body sends an HTTP request with the given body.
pub fn (mut d DockerConn) send_request_with_body(method http.Method, url urllib.URL, content_type string, body string) ? {
fn (mut d DockerConn) send_request_with_body(method http.Method, url_str string, content_type string, body string) ? {
url := urllib.parse('/$vdocker.api_version$url_str')?
req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\nContent-Type: $content_type\nContent-Length: $body.len\n\n$body\n\n'
d.socket.write_string(req)?
@ -60,17 +64,17 @@ pub fn (mut d DockerConn) send_request_with_body(method http.Method, url urllib.
// send_request_with_json<T> is a convenience wrapper around
// send_request_with_body that encodes the input as JSON.
pub fn (mut d DockerConn) send_request_with_json<T>(method http.Method, url urllib.URL, data &T) ? {
fn (mut d DockerConn) send_request_with_json<T>(method http.Method, url_str string, data &T) ? {
body := json.encode(data)
return d.send_request_with_body(method, url, 'application/json', body)
return d.send_request_with_body(method, url_str, 'application/json', body)
}
// read_response_head consumes the socket's contents until it encounters
// '\r\n\r\n', after which it parses the response as an HTTP response.
// Importantly, this function never consumes the reader past the HTTP
// separator, so the body can be read fully later on.
pub fn (mut d DockerConn) read_response_head() ?http.Response {
fn (mut d DockerConn) read_response_head() ?http.Response {
mut res := []u8{}
util.read_until_separator(mut d.reader, mut res, vdocker.http_separator)?
@ -80,7 +84,7 @@ pub fn (mut d DockerConn) read_response_head() ?http.Response {
// read_response_body reads `length` bytes from the stream. It can be used when
// the response encoding isn't chunked to fully read it.
pub fn (mut d DockerConn) read_response_body(length int) ?string {
fn (mut d DockerConn) read_response_body(length int) ?string {
if length == 0 {
return ''
}
@ -101,7 +105,7 @@ pub fn (mut d DockerConn) read_response_body(length int) ?string {
// read_response is a convenience function which always consumes the entire
// response & returns it. It should only be used when we're certain that the
// result isn't too large.
pub fn (mut d DockerConn) read_response() ?(http.Response, string) {
fn (mut d DockerConn) read_response() ?(http.Response, string) {
head := d.read_response_head()?
if head.header.get(http.CommonHeader.transfer_encoding) or { '' } == 'chunked' {
@ -119,9 +123,29 @@ pub fn (mut d DockerConn) read_response() ?(http.Response, string) {
return head, res
}
fn (mut d DockerConn) read_json_response<T>() ?T {
head, body := d.read_response()?
if head.status_code < 200 || head.status_code > 300 {
data := json.decode(DockerError, body)?
return docker_error(head.status_code, data.message)
}
mut data := json.decode(T, body)?
//$for field in T.fields {
//$if field.typ is time.Time {
// data.$(field.name) = time.parse_rfc3339(data.$(field.name + '_str'))?
//}
//}
return data
}
// get_chunked_response_reader returns a ChunkedResponseReader using the socket
// as reader.
pub fn (mut d DockerConn) get_chunked_response_reader() &ChunkedResponseReader {
fn (mut d DockerConn) get_chunked_response_reader() &ChunkedResponseReader {
r := new_chunked_response_reader(d.reader)
return r
@ -129,7 +153,7 @@ pub fn (mut d DockerConn) get_chunked_response_reader() &ChunkedResponseReader {
// get_stream_format_reader returns a StreamFormatReader using the socket as
// reader.
pub fn (mut d DockerConn) get_stream_format_reader() &StreamFormatReader {
fn (mut d DockerConn) get_stream_format_reader() &StreamFormatReader {
r := new_chunked_response_reader(d.reader)
r2 := new_stream_format_reader(r)

21
errors.v 100644
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@ -0,0 +1,21 @@
module vdocker
struct DockerError {
status int [skip]
message string
}
fn (err DockerError) code() int {
return err.status
}
fn (err DockerError) msg() string {
return err.message
}
fn docker_error(status int, message string) IError {
return IError(DockerError{
status: status
message: message
})
}

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@ -1,7 +1,6 @@
module vdocker
import net.http { Method }
import net.urllib
import json
struct Image {
@ -11,7 +10,7 @@ pub:
// pull_image pulls the given image:tag.
pub fn (mut d DockerConn) pull_image(image string, tag string) ? {
d.send_request(Method.post, urllib.parse('/v1.41/images/create?fromImage=$image&tag=$tag')?)?
d.send_request(Method.post, 'images/create?fromImage=$image&tag=$tag')?
head := d.read_response_head()?
if head.status_code != 200 {
@ -34,7 +33,7 @@ pub fn (mut d DockerConn) pull_image(image string, tag string) ? {
// 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, urllib.parse('/v1.41/commit?container=$id&repo=$repo&tag=$tag')?)?
d.send_request(Method.post, 'commit?container=$id&repo=$repo&tag=$tag')?
head, body := d.read_response()?
if head.status_code != 201 {
@ -50,7 +49,7 @@ pub fn (mut d DockerConn) create_image_from_container(id string, repo string, ta
// remove_image removes the image with the given id.
pub fn (mut d DockerConn) remove_image(id string) ? {
d.send_request(Method.delete, urllib.parse('/v1.41/images/$id')?)?
d.send_request(Method.delete, 'images/$id')?
head, body := d.read_response()?
if head.status_code != 200 {

48
volumes.v 100644
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@ -0,0 +1,48 @@
module vdocker
import net.http { Method }
import time
struct UsageData {
size int [json: Size]
ref_count int [json: RefCount]
}
struct Volume {
created_at_str string [json: CreatedAt]
pub mut:
created_at time.Time [skip]
name string [json: Name]
driver string [json: Driver]
mountpoint string [json: Mountpoint]
status map[string]string [json: Status]
labels map[string]string [json: Labels]
scope string [json: Scope]
options map[string]string [json: Options]
usage_data UsageData [json: UsageData]
}
[params]
pub struct VolumeListFilter {
dangling bool
driver string
labels []string
name string
}
struct VolumeListResponse {
volumes []Volume [json: Volumes]
warnings []string [json: Warnings]
}
pub fn (mut d DockerConn) volume_list() ?VolumeListResponse {
d.send_request(Method.get, '/volumes')?
mut data := d.read_json_response<VolumeListResponse>()?
for mut vol in data.volumes {
vol.created_at = time.parse_rfc3339(vol.created_at_str)?
}
return data
}