Initial part of repos API (SEGFAULTS) [CI SKIP]

main
Jef Roosens 2022-02-21 22:22:36 +01:00
parent 92ad0c51eb
commit e13252d368
Signed by untrusted user: Jef Roosens
GPG Key ID: 955C0660072F691F
10 changed files with 150 additions and 39 deletions

3
.gitignore vendored
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@ -18,3 +18,6 @@ test/
# V compiler directory
v/
# gdb log file
gdb.txt

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@ -16,7 +16,17 @@ vieter: $(SOURCES)
.PHONY: debug
debug: dvieter
dvieter: $(SOURCES)
$(V) -keepc -cg -cc gcc -o dvieter $(SRC_DIR)
$(V_PATH) -showcc -keepc -cg -o dvieter $(SRC_DIR)
.PHONY: gdb
gdb: dvieter
VIETER_API_KEY=test \
VIETER_DOWNLOAD_DIR=data/downloads \
VIETER_REPO_DIR=data/repo \
VIETER_PKG_DIR=data/pkgs \
VIETER_LOG_LEVEL=DEBUG \
VIETER_REPOS_FILE=data/repos.json \
gdb --args ./dvieter
# Optimised production build
.PHONY: prod
@ -39,6 +49,7 @@ run: vieter
VIETER_REPO_DIR=data/repo \
VIETER_PKG_DIR=data/pkgs \
VIETER_LOG_LEVEL=DEBUG \
VIETER_REPOS_FILE=data/repos.json \
./vieter server
.PHONY: run-prod

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@ -6,7 +6,7 @@ import rand
import time
import os
import json
import git
import server
import env
const container_build_dir = '/build'
@ -17,7 +17,7 @@ fn build() ? {
// Read in the repos from a json file
filename := os.join_path_single(conf.repo_dir, 'repos.json')
txt := os.read_file(filename) ?
repos := json.decode([]git.GitRepo, txt) ?
repos := json.decode([]server.GitRepo, txt) ?
mut commands := [
// Update repos & install required packages

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@ -17,6 +17,7 @@ pub:
download_dir string
api_key string
repo_dir string
repos_file string
}
pub struct BuildConfig {
@ -42,7 +43,10 @@ fn get_env_var(field_name string) ?string {
return error('Only one of $env_var_name or $env_file_name can be defined.')
}
// If it's the env var itself, we return it
// If it's the env var itself, we return it.
// I'm pretty sure this also prevents variable ending in _FILE (e.g.
// VIETER_LOG_FILE) from being mistakingely read as an _FILE suffixed env
// var.
if env_var != '' {
return env_var
}

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@ -1,7 +0,0 @@
module git
pub struct GitRepo {
pub:
url string [required]
branch string [required]
}

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@ -2,17 +2,12 @@ module repo
import os
import package
// Dummy struct to work around the fact that you can only share structs, maps &
// arrays
pub struct Dummy {
x int
}
import util
// This struct manages a single repository.
pub struct Repo {
mut:
mutex shared Dummy
mutex shared util.Dummy
pub:
// Where to store repository files
repo_dir string [required]

100
src/server/git.v 100644
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@ -0,0 +1,100 @@
module server
import web
import os
import json
const repos_file = 'repos.json'
pub struct GitRepo {
pub:
url string [required]
branch string [required]
}
fn read_repos(path string) ?[]GitRepo {
if !os.exists(path) {
mut f := os.create(path) ?
defer {
f.close()
}
f.write_string('{}') ?
return []
}
content := os.read_file(path) ?
return json.decode([]GitRepo, content)
}
fn write_repos(path string, repos []GitRepo) ? {
mut f := os.create(path) ?
defer {
f.close()
}
dump(repos)
value := json.encode(repos)
f.write_string(value) ?
}
['/api/repos'; get]
pub fn (mut app App) get_repos() web.Result {
if !app.is_authorized() {
return app.text('Unauthorized.')
}
repos := rlock app.git_mutex {
read_repos(app.conf.repos_file) or {
app.lerror('Failed to read repos file.')
return app.server_error(500)
}
}
return app.json(repos)
}
['/api/repos'; post]
pub fn (mut app App) post_repo() web.Result {
if !app.is_authorized() {
return app.text('Unauthorized.')
}
if !('url' in app.query && 'branch' in app.query) {
return app.server_error(400)
}
new_repo := GitRepo{
url: app.query['url']
branch: app.query['branch']
}
mut repos := rlock app.git_mutex {
read_repos(app.conf.repos_file) or {
app.lerror('Failed to read repos file.')
return app.server_error(500)
}
}
// We need to check for duplicates
for r in repos {
if r == new_repo {
return app.text('Duplicate repository.')
}
}
repos << new_repo
lock app.git_mutex {
write_repos(app.conf.repos_file, repos) or {
return app.server_error(500)
}
}
return app.ok('Repo added successfully.')
}

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@ -7,25 +7,6 @@ import time
import rand
import util
const prefixes = ['B', 'KB', 'MB', 'GB']
// pretty_bytes converts a byte count to human-readable version
fn pretty_bytes(bytes int) string {
mut i := 0
mut n := f32(bytes)
for n >= 1024 {
i++
n /= 1024
}
return '${n:.2}${server.prefixes[i]}'
}
fn is_pkg_name(s string) bool {
return s.contains('.pkg')
}
// healthcheck just returns a string, but can be used to quickly check if the
// server is still responsive.
['/health'; get]
@ -65,7 +46,7 @@ fn (mut app App) put_package() web.Result {
pkg_path = os.join_path_single(app.conf.download_dir, rand.uuid_v4())
}
app.ldebug("Uploading $length bytes (${pretty_bytes(length.int())}) to '$pkg_path'.")
app.ldebug("Uploading $length bytes (${util.pretty_bytes(length.int())}) to '$pkg_path'.")
// This is used to time how long it takes to upload a file
mut sw := time.new_stopwatch(time.StopWatchOptions{ auto_start: true })

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@ -12,9 +12,11 @@ const port = 8000
struct App {
web.Context
pub:
conf env.ServerConfig [required: web_global]
conf env.ServerConfig [required; web_global]
pub mut:
repo repo.Repo [required; web_global]
// This is used to claim the file lock on the repos file
git_mutex shared util.Dummy
}
pub fn server() ? {

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@ -7,6 +7,14 @@ import crypto.sha256
const reader_buf_size = 1_000_000
const prefixes = ['B', 'KB', 'MB', 'GB']
// Dummy struct to work around the fact that you can only share structs, maps &
// arrays
pub struct Dummy {
x int
}
[noreturn]
pub fn exit_with_message(code int, msg string) {
eprintln(msg)
@ -67,3 +75,17 @@ pub fn hash_file(path &string) ?(string, string) {
return md5sum.checksum().hex(), sha256sum.checksum().hex()
}
// pretty_bytes converts a byte count to human-readable version
pub fn pretty_bytes(bytes int) string {
mut i := 0
mut n := f32(bytes)
for n >= 1024 {
i++
n /= 1024
}
return '${n:.2}${util.prefixes[i]}'
}