Merge pull request 'Sqlite backend & simplifying of config variables' (#158) from Chewing_Bever/vieter:sqlite-backend into dev

Reviewed-on: vieter/vieter#158

.woodpecker/.arch.yml

@@ -25,6 +25,8 @@ pipeline:
       # inside the repo
       - curl -OL https://git.rustybever.be/Chewing_Bever/vieter/raw/branch/dev/PKGBUILD
       - makepkg -s --noconfirm --needed
+    when:
+      event: push
 
   publish:
     image: 'curlimages/curl'
@@ -33,3 +35,5 @@ pipeline:
       - 'for pkg in $(ls -1 *.pkg*); do curl -XPOST -T "$pkg" -H "X-API-KEY: $VIETER_API_KEY" https://arch.r8r.be/vieter/publish; done'
     secrets:
       - vieter_api_key
+    when:
+      event: push

.woodpecker/.build.yml

@@ -1,11 +1,8 @@
 matrix:
   PLATFORM:
-    - linux/amd64
+    - 'linux/amd64'
-    - linux/arm64
+    - 'linux/arm64'
-    # I just don't have a performant enough runner for this platform
-    # - linux/arm/v7
 
-# These checks already get performed on the feature branches
 platform: ${PLATFORM}
 
 pipeline:
@@ -15,15 +12,15 @@ pipeline:
     commands:
       - make
     when:
-      event: push
+      event: [push, pull_request]
       branch:
-        exclude: [main, dev]
+        exclude: [main]
 
   prod:
     image: 'chewingbever/vlang:latest'
     pull: true
     environment:
-      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
+      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -lsqlite3 -static
     commands:
       # Apparently this -D is *very* important
       - CFLAGS='-DGC_THREADS=1' make prod
@@ -35,7 +32,7 @@ pipeline:
       - strip -s pvieter
       - du -h pvieter
     when:
-      event: push
+      event: [push, pull_request]
 
   upload:
     image: 'chewingbever/vlang:latest'
@@ -52,6 +49,7 @@ pipeline:
       - >
         curl 
         --silent
+        --fail
         -XPUT
         -T pvieter
         -H "Host: $URL"
@@ -60,4 +58,4 @@ pipeline:
         -H "Authorization: AWS $S3_USERNAME:$SIGNATURE"
         https://$URL$OBJ_PATH
     when:
-      event: push
+      event: [push, pull_request]

.woodpecker/.build_experimental.yml

@@ -1,29 +0,0 @@
-# These builds are not important for the project, but might be valuable for
-# fixing bugs in the V compiler.
-
-platform: linux/amd64
-branches:
-  exclude: [master, dev]
-
-pipeline:
-  autofree:
-    image: 'chewingbever/vlang:latest'
-    pull: true
-    group: 'build'
-    commands:
-      - make autofree
-      - readelf -d afvieter
-      - du -h afvieter
-    when:
-      event: push
-
-  skip-unused:
-    image: 'chewingbever/vlang:latest'
-    pull: true
-    group: 'build'
-    commands:
-      - make skip-unused
-      - readelf -d suvieter
-      - du -h suvieter
-    when:
-      event: push

.woodpecker/.deploy.yml

@@ -1,4 +1,4 @@
-branches: 'dev'
+branches: [ 'dev' ]
 platform: 'linux/amd64'
 depends_on:
   - 'docker'
@@ -14,3 +14,5 @@ pipeline:
     commands:
       - 'curl -XPOST -s --fail $WEBHOOK_APP'
       - 'curl -XPOST -s --fail $WEBHOOK_CRON'
+    when:
+      event: push

.woodpecker/.docker.yml

@@ -1,30 +1,34 @@
 branches: [main, dev]
-platform: linux/amd64
+platform: 'linux/amd64'
 depends_on:
   - build
 
 pipeline:
   dev:
-    image: woodpeckerci/plugin-docker-buildx
+    image: 'woodpeckerci/plugin-docker-buildx'
-    secrets: [ docker_username, docker_password ]
+    secrets: 
+      - 'docker_username'
+      - 'docker_password'
     settings:
-      repo: chewingbever/vieter
+      repo: 'chewingbever/vieter'
-      tag: dev
+      tag: 'dev'
-      platforms: [ linux/arm64/v8, linux/amd64 ]
+      platforms: [ 'linux/arm64/v8', 'linux/amd64' ]
       build_args_from_env:
-        - CI_COMMIT_SHA
+        - 'CI_COMMIT_SHA'
     when:
       event: push
       branch: dev
 
   release:
-    image: woodpeckerci/plugin-docker-buildx
+    image: 'woodpeckerci/plugin-docker-buildx'
-    secrets: [ docker_username, docker_password ]
+    secrets: 
+      - 'docker_username'
+      - 'docker_password'
     settings:
-      repo: chewingbever/vieter
+      repo: 'chewingbever/vieter'
       auto_tag: true
-      platforms: [ linux/arm64/v8, linux/amd64 ]
+      platforms: [ 'linux/arm64/v8', 'linux/amd64' ]
       build_args_from_env:
-        - CI_COMMIT_SHA
+        - 'CI_COMMIT_SHA'
     when:
       event: tag

.woodpecker/.gitea.yml

@@ -1,6 +1,5 @@
-# Yeah so this only works on tags so we'll worry about this later
+platform: 'linux/amd64'
-platform: linux/amd64
+branches: [ 'main' ]
-branches: main
 depends_on:
   - build
 

.woodpecker/.lint.yml

@@ -1,7 +1,7 @@
 # These checks already get performed on the feature branches
 branches:
-  exclude: [ main, dev ]
+  exclude: [ main ]
-platform: linux/amd64
+platform: 'linux/amd64'
 
 pipeline:
   lint:
@@ -9,3 +9,5 @@ pipeline:
     pull: true
     commands:
       - make lint
+    when:
+      event: [ push, pull_request ]

.woodpecker/.test.yml

@@ -1,10 +1,10 @@
 matrix:
   PLATFORM:
-    - linux/amd64
+    - 'linux/amd64'
-    - linux/arm64
+    - 'linux/arm64'
 
 branches:
-  exclude: [main, dev]
+  exclude: [ main ]
 platform: ${PLATFORM}
 
 pipeline:
@@ -14,4 +14,4 @@ pipeline:
     commands:
       - make test
     when:
-      event: push
+      event: [push, pull_request]

CHANGELOG.md

@@ -10,6 +10,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 * Switched from compiler fork to fully vanilla compiler mirror
+* `download_dir`, `repos_file` & `repos_dir` config values have been replaced
+  with `data_dir`
+* Storage of metadata (e.g. Git repositories) is now done using Sqlite
 
 ### Added
 

Dockerfile

@@ -23,7 +23,7 @@ RUN if [ -n "${CI_COMMIT_SHA}" ]; then \
             "https://s3.rustybever.be/vieter/commits/${CI_COMMIT_SHA}/vieter-$(echo "${TARGETPLATFORM}" | sed 's:/:-:g')" && \
             chmod +x vieter ; \
     else \
-        LDFLAGS='-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static' make prod && \
+        LDFLAGS='-lz -lbz2 -llzma -lexpat -lzstd -llz4 -lsqlite3 -static' make prod && \
         mv pvieter vieter ; \
     fi
 
@@ -31,10 +31,8 @@ RUN if [ -n "${CI_COMMIT_SHA}" ]; then \
 FROM busybox:1.35.0
 
 ENV PATH=/bin \
-    VIETER_REPOS_DIR=/data/repos \
+    VIETER_DATA_DIR=/data \
-    VIETER_PKG_DIR=/data/pkgs \
+    VIETER_PKG_DIR=/data/pkgs
-    VIETER_DOWNLOAD_DIR=/data/downloads \
-    VIETER_REPOS_FILE=/data/repos.json
 
 COPY --from=builder /app/dumb-init /app/vieter /bin/
 

docs/content/configuration.md

@@ -35,18 +35,10 @@ passed to them. Each mode requires a different configuration.
 * `log_file`: log file to write logs to. Defaults to `vieter.log` in the
   current directory.
 * `pkg_dir`:  where Vieter should store the actual package archives.
-* `download_dir`: where Vieter should initially download uploaded files.
+* `data_dir`: where Vieter stores the repositories, log file & database.
 * `api_key`: the API key to use when authenticating requests.
-* `repo_dir`: where Vieter should store the contents of the repository.
-* `repos_file`: JSON file where the list of Git repositories is saved
 * `default_arch`: architecture to always add packages of arch `any` to.
 
-{{< hint info >}}
-**Note**  
-Because Vieter hard links files between `download_dir` & `pkg_dir`, they need
-to be on the same file system.
-{{< /hint >}}
-
 ### Builder
 
 * `api_key`: the API key to use when authenticating requests.
@@ -62,3 +54,18 @@ to be on the same file system.
 
 * `api_key`: the API key to use when authenticating requests.
 * `address`: Base your URL of your Vieter instance, e.g. https://example.com
+
+### Cron
+
+* `log_level`: defines how much logs to show. Valid values are one of `FATAL`,
+  `ERROR`, `WARN`, `INFO` or `DEBUG`. Defaults to `WARN`
+* `api_key`: the API key to use when authenticating requests.
+* `address`: Base your URL of your Vieter instance, e.g. https://example.com.
+  This *must* be the publicly facing URL of your Vieter instance.
+* `data_dir`: where Vieter stores the log file.
+* `base_image`: Docker image from which to create the builder images.
+* `max_concurrent_builds`: amount of builds to run at once.
+* `api_update_frequency`: how frequenty to check for changes in the repo list.
+* `image_rebuild+frequency`: how frequently to rebuild the builder image
+* `global_schedule`: cron schedule to use for any repo without an individual
+  schedule

src/build/build.v

@@ -5,6 +5,7 @@ import encoding.base64
 import time
 import git
 import os
+import db
 
 const container_build_dir = '/build'
 
@@ -75,7 +76,7 @@ pub fn create_build_image(base_image string) ?string {
 // build_repo builds, packages & publishes a given Arch package based on the
 // provided GitRepo. The base image ID should be of an image previously created
 // by create_build_image.
-pub fn build_repo(address string, api_key string, base_image_id string, repo &git.GitRepo) ? {
+pub fn build_repo(address string, api_key string, base_image_id string, repo &db.GitRepo) ? {
 	build_arch := os.uname().machine
 
 	// TODO what to do with PKGBUILDs that build multiple packages?
@@ -125,11 +126,11 @@ fn build(conf Config) ? {
 	build_arch := os.uname().machine
 
 	// We get the repos map from the Vieter instance
-	repos_map := git.get_repos(conf.address, conf.api_key) ?
+	repos := git.get_repos(conf.address, conf.api_key) ?
 
 	// We filter out any repos that aren't allowed to be built on this
 	// architecture
-	filtered_repos := repos_map.keys().map(repos_map[it]).filter(it.arch.contains(build_arch))
+	filtered_repos := repos.filter(it.arch.map(it.value).contains(build_arch))
 
 	// No point in doing work if there's no repos present
 	if filtered_repos.len == 0 {

src/cron/cli.v

@@ -6,9 +6,9 @@ import env
 struct Config {
 pub:
 	log_level               string = 'WARN'
-	log_file                string = 'vieter.log'
 	api_key                 string
 	address                 string
+	data_dir                string
 	base_image              string = 'archlinux:base-devel'
 	max_concurrent_builds   int    = 1
 	api_update_frequency    int    = 15

src/cron/cron.v

@@ -3,6 +3,9 @@ module cron
 import log
 import cron.daemon
 import cron.expression
+import os
+
+const log_file_name = 'vieter.cron.log'
 
 // cron starts a cron daemon & starts periodically scheduling builds.
 pub fn cron(conf Config) ? {
@@ -15,7 +18,8 @@ pub fn cron(conf Config) ? {
 		level: log_level
 	}
 
-	logger.set_full_logpath(conf.log_file)
+	log_file := os.join_path_single(conf.data_dir, cron.log_file_name)
+	logger.set_full_logpath(log_file)
 	logger.log_to_console_too()
 
 	ce := expression.parse_expression(conf.global_schedule) or {

src/cron/daemon/build.v

@@ -4,11 +4,11 @@ import time
 import sync.stdatomic
 import build
 
-const build_empty = 0
+const (
-
+	build_empty   = 0
-const build_running = 1
+	build_running = 1
-
+	build_done    = 2
-const build_done = 2
+)
 
 // clean_finished_builds removes finished builds from the build slots & returns
 // them.

src/cron/daemon/daemon.v

@@ -8,17 +8,19 @@ import cron.expression { CronExpression, parse_expression }
 import math
 import build
 import docker
+import db
 
-// How many seconds to wait before retrying to update API if failed
+const (
-const api_update_retry_timeout = 5
+	// How many seconds to wait before retrying to update API if failed
-
+	api_update_retry_timeout        = 5
-// How many seconds to wait before retrying to rebuild image if failed
+	// How many seconds to wait before retrying to rebuild image if failed
-const rebuild_base_image_retry_timout = 30
+	rebuild_base_image_retry_timout = 30
+)
 
 struct ScheduledBuild {
 pub:
 	repo_id   string
-	repo      git.GitRepo
+	repo      db.GitRepo
 	timestamp time.Time
 }
 
@@ -37,7 +39,7 @@ mut:
 	api_update_frequency    int
 	image_rebuild_frequency int
 	// Repos currently loaded from API.
-	repos_map map[string]git.GitRepo
+	repos []db.GitRepo
 	// At what point to update the list of repositories.
 	api_update_timestamp  time.Time
 	image_build_timestamp time.Time
@@ -90,7 +92,7 @@ pub fn (mut d Daemon) run() {
 		// haven't been renewed.
 		else {
 			for sb in finished_builds {
-				d.schedule_build(sb.repo_id, sb.repo)
+				d.schedule_build(sb.repo)
 			}
 		}
 
@@ -149,11 +151,11 @@ pub fn (mut d Daemon) run() {
 }
 
 // schedule_build adds the next occurence of the given repo build to the queue.
-fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) {
+fn (mut d Daemon) schedule_build(repo db.GitRepo) {
 	ce := if repo.schedule != '' {
 		parse_expression(repo.schedule) or {
 			// TODO This shouldn't return an error if the expression is empty.
-			d.lerror("Error while parsing cron expression '$repo.schedule' ($repo_id): $err.msg()")
+			d.lerror("Error while parsing cron expression '$repo.schedule' (id $repo.id): $err.msg()")
 
 			d.global_schedule
 		}
@@ -168,7 +170,6 @@ fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) {
 	}
 
 	d.queue.insert(ScheduledBuild{
-		repo_id: repo_id
 		repo: repo
 		timestamp: timestamp
 	})
@@ -186,7 +187,7 @@ fn (mut d Daemon) renew_repos() {
 		return
 	}
 
-	d.repos_map = new_repos.move()
+	d.repos = new_repos
 
 	d.api_update_timestamp = time.now().add_seconds(60 * d.api_update_frequency)
 }
@@ -224,8 +225,8 @@ fn (mut d Daemon) renew_queue() {
 
 	// For each repository in repos_map, parse their cron expression (or use
 	// the default one if not present) & add them to the queue
-	for id, repo in d.repos_map {
+	for repo in d.repos {
-		d.schedule_build(id, repo)
+		d.schedule_build(repo)
 	}
 }
 

src/db/db.v

@@ -0,0 +1,20 @@
+module db
+
+import sqlite
+
+struct VieterDb {
+	conn sqlite.DB
+}
+
+// init initializes a database & adds the correct tables.
+pub fn init(db_path string) ?VieterDb {
+	conn := sqlite.connect(db_path) ?
+
+	sql conn {
+		create table GitRepo
+	}
+
+	return VieterDb{
+		conn: conn
+	}
+}

src/db/git.v

@@ -0,0 +1,154 @@
+module db
+
+pub struct GitRepoArch {
+pub:
+	id      int    [primary; sql: serial]
+	repo_id int    [nonull]
+	value   string [nonull]
+}
+
+// str returns a string representation.
+pub fn (gra &GitRepoArch) str() string {
+	return gra.value
+}
+
+pub struct GitRepo {
+pub mut:
+	id int [optional; primary; sql: serial]
+	// URL of the Git repository
+	url string [nonull]
+	// Branch of the Git repository to use
+	branch string [nonull]
+	// Which repo the builder should publish packages to
+	repo string [nonull]
+	// Cron schedule describing how frequently to build the repo.
+	schedule string [optional]
+	// On which architectures the package is allowed to be built. In reality,
+	// this controls which builders will periodically build the image.
+	arch []GitRepoArch [fkey: 'repo_id']
+}
+
+// str returns a string representation.
+pub fn (gr &GitRepo) str() string {
+	mut parts := [
+		'id: $gr.id',
+		'url: $gr.url',
+		'branch: $gr.branch',
+		'repo: $gr.repo',
+		'schedule: $gr.schedule',
+		'arch: ${gr.arch.map(it.value).join(', ')}',
+	]
+	str := parts.join('\n')
+
+	return str
+}
+
+// patch_from_params patches a GitRepo from a map[string]string, usually
+// provided from a web.App's params
+pub fn (mut r GitRepo) patch_from_params(params map[string]string) {
+	$for field in GitRepo.fields {
+		if field.name in params {
+			$if field.typ is string {
+				r.$(field.name) = params[field.name]
+				// This specific type check is needed for the compiler to ensure
+				// our types are correct
+			} $else $if field.typ is []GitRepoArch {
+				r.$(field.name) = params[field.name].split(',').map(GitRepoArch{ value: it })
+			}
+		}
+	}
+}
+
+// git_repo_from_params creates a GitRepo from a map[string]string, usually
+// provided from a web.App's params
+pub fn git_repo_from_params(params map[string]string) ?GitRepo {
+	mut repo := GitRepo{}
+
+	// If we're creating a new GitRepo, we want all fields to be present before
+	// "patching".
+	$for field in GitRepo.fields {
+		if field.name !in params && !field.attrs.contains('optional') {
+			return error('Missing parameter: ${field.name}.')
+		}
+	}
+	repo.patch_from_params(params)
+
+	return repo
+}
+
+// get_git_repos returns all GitRepo's in the database.
+pub fn (db &VieterDb) get_git_repos() []GitRepo {
+	res := sql db.conn {
+		select from GitRepo order by id
+	}
+
+	return res
+}
+
+// get_git_repo tries to return a specific GitRepo.
+pub fn (db &VieterDb) get_git_repo(repo_id int) ?GitRepo {
+	res := sql db.conn {
+		select from GitRepo where id == repo_id
+	}
+
+	// If a select statement fails, it returns a zeroed object. By
+	// checking one of the required fields, we can see whether the query
+	// returned a result or not.
+	if res.url == '' {
+		return none
+	}
+
+	return res
+}
+
+// add_git_repo inserts the given GitRepo into the database.
+pub fn (db &VieterDb) add_git_repo(repo GitRepo) {
+	sql db.conn {
+		insert repo into GitRepo
+	}
+}
+
+// delete_git_repo deletes the repo with the given ID from the database.
+pub fn (db &VieterDb) delete_git_repo(repo_id int) {
+	sql db.conn {
+		delete from GitRepo where id == repo_id
+		delete from GitRepoArch where repo_id == repo_id
+	}
+}
+
+// update_git_repo updates any non-array values for a given GitRepo.
+pub fn (db &VieterDb) update_git_repo(repo_id int, params map[string]string) {
+	mut values := []string{}
+
+	// TODO does this allow for SQL injection?
+	$for field in GitRepo.fields {
+		if field.name in params {
+			// Any fields that are array types require their own update method
+			$if field.typ is string {
+				values << "$field.name = '${params[field.name]}'"
+			}
+		}
+	}
+	values_str := values.join(', ')
+	query := 'update GitRepo set $values_str where id == $repo_id'
+
+	db.conn.exec_none(query)
+}
+
+// update_git_repo_archs updates a given GitRepo's arch value.
+pub fn (db &VieterDb) update_git_repo_archs(repo_id int, archs []GitRepoArch) {
+	archs_with_id := archs.map(GitRepoArch{
+		...it
+		repo_id: repo_id
+	})
+
+	sql db.conn {
+		delete from GitRepoArch where repo_id == repo_id
+	}
+
+	for arch in archs_with_id {
+		sql db.conn {
+			insert arch into GitRepoArch
+		}
+	}
+}

src/git/cli.v

@@ -116,34 +116,13 @@ pub fn cmd() cli.Command {
 
 // get_repo_by_prefix tries to find the repo with the given prefix in its
 // ID. If multiple or none are found, an error is raised.
-fn get_repo_by_prefix(conf Config, id_prefix string) ?(string, GitRepo) {
-	repos := get_repos(conf.address, conf.api_key) ?
-
-	mut res := map[string]GitRepo{}
-
-	for id, repo in repos {
-		if id.starts_with(id_prefix) {
-			res[id] = repo
-		}
-	}
-
-	if res.len == 0 {
-		return error('No repo found for given prefix.')
-	}
-
-	if res.len > 1 {
-		return error('Multiple repos found for given prefix.')
-	}
-
-	return res.keys()[0], res[res.keys()[0]]
-}
 
 // list prints out a list of all repositories.
 fn list(conf Config) ? {
 	repos := get_repos(conf.address, conf.api_key) ?
 
-	for id, details in repos {
+	for repo in repos {
-		println('${id[..8]}\t$details.url\t$details.branch\t$details.repo')
+		println('$repo.id\t$repo.url\t$repo.branch\t$repo.repo')
 	}
 }
 
@@ -155,15 +134,18 @@ fn add(conf Config, url string, branch string, repo string) ? {
 }
 
 // remove removes a repository from the server's list.
-fn remove(conf Config, id_prefix string) ? {
+fn remove(conf Config, id string) ? {
-	id, _ := get_repo_by_prefix(conf, id_prefix) ?
+	// id, _ := get_repo_by_prefix(conf, id_prefix) ?
-	res := remove_repo(conf.address, conf.api_key, id) ?
+	id_int := id.int()
 
+	if id_int != 0 {
+		res := remove_repo(conf.address, conf.api_key, id_int) ?
 		println(res.message)
+	}
 }
 
 // patch patches a given repository with the provided params.
-fn patch(conf Config, id_prefix string, params map[string]string) ? {
+fn patch(conf Config, id string, params map[string]string) ? {
 	// We check the cron expression first because it's useless to send an
 	// invalid one to the server.
 	if 'schedule' in params && params['schedule'] != '' {
@@ -172,20 +154,22 @@ fn patch(conf Config, id_prefix string, params map[string]string) ? {
 		}
 	}
 
-	id, _ := get_repo_by_prefix(conf, id_prefix) ?
+	id_int := id.int()
-	res := patch_repo(conf.address, conf.api_key, id, params) ?
+	if id_int != 0 {
+		res := patch_repo(conf.address, conf.api_key, id_int, params) ?
 
 		println(res.message)
+	}
 }
 
 // info shows detailed information for a given repo.
-fn info(conf Config, id_prefix string) ? {
+fn info(conf Config, id string) ? {
-	id, repo := get_repo_by_prefix(conf, id_prefix) ?
+	id_int := id.int()
 
-	println('id: $id')
+	if id_int == 0 {
-
+		return
-	$for field in GitRepo.fields {
-		val := repo.$(field.name)
-		println('$field.name: $val')
 	}
+
+	repo := get_repo(conf.address, conf.api_key, id_int) ?
+	println(repo)
 }

src/git/client.v

@@ -3,6 +3,7 @@ module git
 import json
 import response { Response }
 import net.http
+import db
 
 // send_request<T> is a convenience method for sending requests to the repos
 // API. It mostly does string manipulation to create a query string containing
@@ -26,8 +27,16 @@ fn send_request<T>(method http.Method, address string, url string, api_key strin
 }
 
 // get_repos returns the current list of repos.
-pub fn get_repos(address string, api_key string) ?map[string]GitRepo {
+pub fn get_repos(address string, api_key string) ?[]db.GitRepo {
-	data := send_request<map[string]GitRepo>(http.Method.get, address, '/api/repos', api_key,
+	data := send_request<[]db.GitRepo>(http.Method.get, address, '/api/repos', api_key,
+		{}) ?
+
+	return data.data
+}
+
+// get_repo returns the repo for a specific ID.
+pub fn get_repo(address string, api_key string, id int) ?db.GitRepo {
+	data := send_request<db.GitRepo>(http.Method.get, address, '/api/repos/$id', api_key,
 		{}) ?
 
 	return data.data
@@ -51,7 +60,7 @@ pub fn add_repo(address string, api_key string, url string, branch string, repo
 }
 
 // remove_repo removes the repo with the given ID from the server.
-pub fn remove_repo(address string, api_key string, id string) ?Response<string> {
+pub fn remove_repo(address string, api_key string, id int) ?Response<string> {
 	data := send_request<string>(http.Method.delete, address, '/api/repos/$id', api_key,
 		{}) ?
 
@@ -60,7 +69,7 @@ pub fn remove_repo(address string, api_key string, id string) ?Response<string>
 
 // patch_repo sends a PATCH request to the given repo with the params as
 // payload.
-pub fn patch_repo(address string, api_key string, id string, params map[string]string) ?Response<string> {
+pub fn patch_repo(address string, api_key string, id int, params map[string]string) ?Response<string> {
 	data := send_request<string>(http.Method.patch, address, '/api/repos/$id', api_key,
 		params) ?
 

src/git/git.v

@@ -1,84 +0,0 @@
-module git
-
-import os
-import json
-
-pub struct GitRepo {
-pub mut:
-	// URL of the Git repository
-	url string
-	// Branch of the Git repository to use
-	branch string
-	// On which architectures the package is allowed to be built. In reality,
-	// this controls which builders will periodically build the image.
-	arch []string
-	// Which repo the builder should publish packages to
-	repo string
-	// Cron schedule describing how frequently to build the repo.
-	schedule string [optional]
-}
-
-// patch_from_params patches a GitRepo from a map[string]string, usually
-// provided from a web.App's params
-pub fn (mut r GitRepo) patch_from_params(params map[string]string) {
-	$for field in GitRepo.fields {
-		if field.name in params {
-			$if field.typ is string {
-				r.$(field.name) = params[field.name]
-				// This specific type check is needed for the compiler to ensure
-				// our types are correct
-			} $else $if field.typ is []string {
-				r.$(field.name) = params[field.name].split(',')
-			}
-		}
-	}
-}
-
-// read_repos reads the provided path & parses it into a map of GitRepo's.
-pub fn read_repos(path string) ?map[string]GitRepo {
-	if !os.exists(path) {
-		mut f := os.create(path) ?
-
-		defer {
-			f.close()
-		}
-
-		f.write_string('{}') ?
-
-		return {}
-	}
-
-	content := os.read_file(path) ?
-	res := json.decode(map[string]GitRepo, content) ?
-
-	return res
-}
-
-// write_repos writes a map of GitRepo's back to disk given the provided path.
-pub fn write_repos(path string, repos &map[string]GitRepo) ? {
-	mut f := os.create(path) ?
-
-	defer {
-		f.close()
-	}
-
-	value := json.encode(repos)
-	f.write_string(value) ?
-}
-
-// repo_from_params creates a GitRepo from a map[string]string, usually
-// provided from a web.App's params
-pub fn repo_from_params(params map[string]string) ?GitRepo {
-	mut repo := GitRepo{}
-
-	// If we're creating a new GitRepo, we want all fields to be present before
-	// "patching".
-	$for field in GitRepo.fields {
-		if field.name !in params && !field.attrs.contains('optional') {
-			return error('Missing parameter: ${field.name}.')
-		}
-	}
-	repo.patch_from_params(params)
-
-	return repo
-}

src/server/cli.v

@@ -6,12 +6,9 @@ import env
 struct Config {
 pub:
 	log_level    string = 'WARN'
-	log_file     string = 'vieter.log'
 	pkg_dir      string
-	download_dir string
+	data_dir     string
 	api_key      string
-	repos_dir    string
-	repos_file   string
 	default_arch string
 }
 

src/server/git.v

@@ -1,12 +1,9 @@
 module server
 
 import web
-import git
 import net.http
-import rand
 import response { new_data_response, new_response }
-
+import db
-const repos_file = 'repos.json'
 
 // get_repos returns the current list of repos.
 ['/api/repos'; get]
@@ -15,37 +12,19 @@ fn (mut app App) get_repos() web.Result {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
 	}
 
-	repos := rlock app.git_mutex {
+	repos := app.db.get_git_repos()
-		git.read_repos(app.conf.repos_file) or {
-			app.lerror('Failed to read repos file: $err.msg()')
-
-			return app.status(http.Status.internal_server_error)
-		}
-	}
 
 	return app.json(http.Status.ok, new_data_response(repos))
 }
 
 // get_single_repo returns the information for a single repo.
 ['/api/repos/:id'; get]
-fn (mut app App) get_single_repo(id string) web.Result {
+fn (mut app App) get_single_repo(id int) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
 	}
 
-	repos := rlock app.git_mutex {
+	repo := app.db.get_git_repo(id) or { return app.not_found() }
-		git.read_repos(app.conf.repos_file) or {
-			app.lerror('Failed to read repos file.')
-
-			return app.status(http.Status.internal_server_error)
-		}
-	}
-
-	if id !in repos {
-		return app.not_found()
-	}
-
-	repo := repos[id]
 
 	return app.json(http.Status.ok, new_data_response(repo))
 }
@@ -65,89 +44,40 @@ fn (mut app App) post_repo() web.Result {
 		params['arch'] = app.conf.default_arch
 	}
 
-	new_repo := git.repo_from_params(params) or {
+	new_repo := db.git_repo_from_params(params) or {
 		return app.json(http.Status.bad_request, new_response(err.msg()))
 	}
 
-	id := rand.uuid_v4()
+	app.db.add_git_repo(new_repo)
-
-	mut repos := rlock app.git_mutex {
-		git.read_repos(app.conf.repos_file) or {
-			app.lerror('Failed to read repos file.')
-
-			return app.status(http.Status.internal_server_error)
-		}
-	}
-
-	// We need to check for duplicates
-	for _, repo in repos {
-		if repo == new_repo {
-			return app.json(http.Status.bad_request, new_response('Duplicate repository.'))
-		}
-	}
-
-	repos[id] = new_repo
-
-	lock app.git_mutex {
-		git.write_repos(app.conf.repos_file, &repos) or {
-			return app.status(http.Status.internal_server_error)
-		}
-	}
 
 	return app.json(http.Status.ok, new_response('Repo added successfully.'))
 }
 
 // delete_repo removes a given repo from the server's list.
 ['/api/repos/:id'; delete]
-fn (mut app App) delete_repo(id string) web.Result {
+fn (mut app App) delete_repo(id int) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
 	}
 
-	mut repos := rlock app.git_mutex {
+	app.db.delete_git_repo(id)
-		git.read_repos(app.conf.repos_file) or {
-			app.lerror('Failed to read repos file.')
-
-			return app.status(http.Status.internal_server_error)
-		}
-	}
-
-	if id !in repos {
-		return app.not_found()
-	}
-
-	repos.delete(id)
-
-	lock app.git_mutex {
-		git.write_repos(app.conf.repos_file, &repos) or { return app.server_error(500) }
-	}
 
 	return app.json(http.Status.ok, new_response('Repo removed successfully.'))
 }
 
 // patch_repo updates a repo's data with the given query params.
 ['/api/repos/:id'; patch]
-fn (mut app App) patch_repo(id string) web.Result {
+fn (mut app App) patch_repo(id int) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
 	}
 
-	mut repos := rlock app.git_mutex {
+	app.db.update_git_repo(id, app.query)
-		git.read_repos(app.conf.repos_file) or {
-			app.lerror('Failed to read repos file.')
 
-			return app.status(http.Status.internal_server_error)
+	if 'arch' in app.query {
-		}
+		arch_objs := app.query['arch'].split(',').map(db.GitRepoArch{ value: it })
-	}
 
-	if id !in repos {
+		app.db.update_git_repo_archs(id, arch_objs)
-		return app.not_found()
-	}
-
-	repos[id].patch_from_params(app.query)
-
-	lock app.git_mutex {
-		git.write_repos(app.conf.repos_file, &repos) or { return app.server_error(500) }
 	}
 
 	return app.json(http.Status.ok, new_response('Repo updated successfully.'))

src/server/routes.v

@@ -68,7 +68,7 @@ fn (mut app App) put_package(repo string) web.Result {
 
 	if length := app.req.header.get(.content_length) {
 		// Generate a random filename for the temp file
-		pkg_path = os.join_path_single(app.conf.download_dir, rand.uuid_v4())
+		pkg_path = os.join_path_single(app.repo.pkg_dir, rand.uuid_v4())
 
 		app.ldebug("Uploading $length bytes (${util.pretty_bytes(length.int())}) to '$pkg_path'.")
 

src/server/server.v

@@ -5,8 +5,14 @@ import os
 import log
 import repo
 import util
+import db
 
-const port = 8000
+const (
+	port          = 8000
+	log_file_name = 'vieter.log'
+	repo_dir_name = 'repos'
+	db_file_name  = 'vieter.sqlite'
+)
 
 struct App {
 	web.Context
@@ -14,8 +20,7 @@ pub:
 	conf Config [required; web_global]
 pub mut:
 	repo repo.RepoGroupManager [required; web_global]
-	// This is used to claim the file lock on the repos file
+	db   db.VieterDb
-	git_mutex shared util.Dummy
 }
 
 // server starts the web server & starts listening for requests
@@ -30,11 +35,14 @@ pub fn server(conf Config) ? {
 		util.exit_with_message(1, 'Invalid log level. The allowed values are FATAL, ERROR, WARN, INFO & DEBUG.')
 	}
 
+	os.mkdir_all(conf.data_dir) or { util.exit_with_message(1, 'Failed to create data directory.') }
+
 	mut logger := log.Log{
 		level: log_level
 	}
 
-	logger.set_full_logpath(conf.log_file)
+	log_file := os.join_path_single(conf.data_dir, server.log_file_name)
+	logger.set_full_logpath(log_file)
 	logger.log_to_console_too()
 
 	defer {
@@ -43,19 +51,20 @@ pub fn server(conf Config) ? {
 		logger.close()
 	}
 
+	repo_dir := os.join_path_single(conf.data_dir, server.repo_dir_name)
 	// This also creates the directories if needed
-	repo := repo.new(conf.repos_dir, conf.pkg_dir, conf.default_arch) or {
+	repo := repo.new(repo_dir, conf.pkg_dir, conf.default_arch) or {
 		logger.error(err.msg())
 		exit(1)
 	}
 
-	os.mkdir_all(conf.download_dir) or {
+	db_file := os.join_path_single(conf.data_dir, server.db_file_name)
-		util.exit_with_message(1, 'Failed to create download directory.')
+	db := db.init(db_file) or { util.exit_with_message(1, 'Failed to initialize database.') }
-	}
 
 	web.run(&App{
 		logger: logger
 		conf: conf
 		repo: repo
+		db: db
 	}, server.port)
 }

vieter.toml

@@ -1,10 +1,8 @@
 # This file contains settings used during development
 api_key = "test"
-download_dir = "data/downloads"
+data_dir = "data"
-repos_dir = "data/repos"
 pkg_dir = "data/pkgs"
 log_level = "DEBUG"
-repos_file = "data/repos.json"
 default_arch = "x86_64"
 
 address = "http://localhost:8000"