Daemon can now build images

Dockerfile

@@ -7,7 +7,7 @@ RUN mkdir src/
 COPY src/* src/
 RUN shards install
 RUN shards build -d --error-trace
-RUN strip bin/faaso-daemon
+RUN strip bin/*
 
 FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as ship
 RUN apk add tinyproxy multirun openssl zlib yaml pcre2 gc libevent libgcc libxml2
@@ -17,6 +17,6 @@ RUN addgroup -S app && adduser app -S -G app
 WORKDIR /home/app
 
 COPY tinyproxy.conf ./
-COPY --from=build /home/app/bin/faaso-daemon ./
+COPY --from=build /home/app/bin/faaso-daemon /home/app/bin/faaso /usr/bin/
 
-CMD ["/usr/bin/multirun", "./faaso-daemon", "tinyproxy -d -c tinyproxy.conf"]
+CMD ["/usr/bin/multirun", "faaso-daemon", "tinyproxy -d -c tinyproxy.conf"]

Makefile

@@ -1,6 +1,6 @@
 build: shard.yml $(wildcard src/**/*cr)
 	shards build
-proxy-image: build
+proxy: build
 	docker build . -t faaso-proxy --no-cache
 start-proxy:
 	docker run --network=faaso-net -v /var/run/docker.sock:/var/run/docker.sock -p 8888:8888 faaso-proxy

examples/hello_crystal/funko.cr

@@ -1,3 +1,4 @@
 get "/" do
   "Hello World Crystal!"
 end
+

shard.yml

@@ -26,3 +26,5 @@ dependencies:
     github: kemalcr/kemal-basic-auth
   crinja:
     github: straight-shoota/crinja
+  crystar:
+    github: naqvis/crystar

src/daemon.cr

@@ -1,12 +1,17 @@
+require "crystar"
+require "compress/gzip"
 require "docr"
-require "kemal"
 require "kemal-basic-auth"
+require "kemal"
+require "uuid"
 
 # FIXME: make configurable
 basic_auth "admin", "admin"
 
 current_config = ""
 
+# Bump proxy config to current docker state, returns
+# new proxy config
 get "/" do
   "Updating routing"
   # Get all the funkos, create routes for them all
@@ -43,4 +48,43 @@ ReversePath "/admin/" "http://127.0.0.1:3000/"
   proxy_config
 end
 
+# Build image for funko received as "funko.tgz"
+# TODO: This may take a while, consider using something like
+# mosquito-cr/mosquito to make it a job queue
+post "/funko/build/" do |env|
+  # Create place to build funko
+  tmp_dir = Path.new("tmp", UUID.random.to_s)
+  Dir.mkdir_p(tmp_dir) unless File.exists? tmp_dir
+
+  # Expand tarball in there
+  file = env.params.files["funko.tgz"].tempfile
+  Compress::Gzip::Reader.open(file) do |gzip|
+    Crystar::Reader.open(gzip) do |tar|
+      tar.each_entry do |entry|
+        File.open(Path.new(tmp_dir, entry.name), "w") do |dst|
+          IO.copy entry.io, dst
+        end
+      end
+    end
+  end
+
+  # Build the thing
+  stderr = IO::Memory.new
+  stdout = IO::Memory.new
+  status = Process.run(
+    command: "faaso",
+    args: ["build", tmp_dir.to_s],
+    output: stdout,
+    error: stderr,
+  )
+  response = {
+    "exit_code" => status.exit_code,
+    "stdout"    => stdout.to_s,
+    "stderr"    => stderr.to_s,
+  }.to_json
+
+  halt env, status_code: 500, response: response if status.exit_code != 0
+  response
+end
+
 Kemal.run

tinyproxy.conf

@@ -1,3 +1,4 @@
+
 Port 8888
 Listen 0.0.0.0
 Timeout 600