Add 'delete' action for funkos that removes all trace

Dockerfile

@@ -1,14 +1,12 @@
 FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as build
-RUN apk update && apk add crystal shards yaml-dev openssl-dev zlib-dev libxml2-dev && apk cache clean
+RUN apk update && apk add crystal shards yaml-dev openssl-dev zlib-dev libxml2-dev make && apk cache clean
 RUN addgroup -S app && adduser app -S -G app
 WORKDIR /home/app
-COPY shard.yml ./
+COPY shard.yml Makefile ./
 RUN mkdir src/
 COPY src/ src/
 COPY runtimes/ runtimes/
-RUN shards install
-RUN shards build -d --error-trace
-RUN cat .rucksack >> bin/faaso
+RUN make
 # RUN strip bin/*
 
 FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as ship

src/daemon/funko.cr

@@ -126,6 +126,16 @@ module Funko
     funko.wait_for(1, 1)
   end
 
+  # Delete => scale to 0, remove all containers and images
+  delete "/funkos/:name/" do |env|
+    name = env.params.url["name"]
+    funko = Funko.from_names([name])[0]
+    funko.scale(0)
+    funko.wait_for(0, 1)
+    funko.remove_all_containers
+    funko.remove_all_images
+  end
+
   # Return an iframe that shows the container's logs
   get "/funkos/terminal/logs/:instance/" do |env|
     instance = env.params.url["instance"]

src/funko.cr

@@ -224,6 +224,32 @@ module Funko
       end
     end
 
+    # Remove all containers related to this funko
+    def remove_all_containers
+      docker_api = Docr::API.new(Docr::Client.new)
+      docker_api.containers.list(all: true).select { |container|
+        container.@names.any?(&.starts_with?("/faaso-#{name}-"))
+      }.each { |container|
+        begin
+          docker_api.containers.stop(container.@id) if container.status != "exited"
+        rescue ex : Docr::Errors::DockerAPIError
+          Log.error { "#{ex}" } unless ex.status_code == 304 # This just happens
+        end
+        docker_api.containers.delete(container.@id)
+      }
+    end
+
+    # Remove all images related to this funko
+    def remove_all_images
+      docker_api = Docr::API.new(Docr::Client.new)
+      docker_api.images.list.select { |image|
+        return false if image.@repo_tags.nil?
+        true if image.@repo_tags.as(Array(String)).any?(&.starts_with?("faaso-#{name}:"))
+      }.each { |image|
+        docker_api.images.delete(image.@id)
+      }
+    end
+
     # Create a container for this funko
     def create_container(autostart : Bool = true) : String
       # The path to secrets is tricky. On the server it will be in

src/main.cr

@@ -1,8 +1,8 @@
 require "./faaso.cr"
 require "colorize"
 require "docopt"
+require "rucksack"
 
-# Log formatter for
 struct LogFormat < Log::StaticFormatter
   @@colors = {
     "FATAL" => :red,
@@ -85,8 +85,3 @@ when .fetch("status", false)
 end
 
 exit(status)
-
-# Embed runtimes in the faaso binary using rucksack
-{% for name in `find ./runtimes -type f`.split('\n') %}
-  rucksack({{name}})
-{% end %}

src/runtime.cr

@@ -91,3 +91,8 @@ module Runtime
     end
   end
 end
+
+# Embed runtimes in the faaso binary using rucksack
+{% for name in `find ./runtimes -type f`.split('\n') %}
+  rucksack({{name}})
+{% end %}

src/views/funkos.ecr

@@ -39,9 +39,11 @@
     <%- if f["scale"].as(String).to_i > 0 -%>
       <button disabled hx-get="funkos/<%= f["name"] %>/start">Start</button>
       <button hx-get="funkos/<%= f["name"] %>/stop" hx-on:htmx:after-request="update_funkos()">Stop</button>
+      <button disabled hx-delete="funkos/<%= f["name"] %>/" hx-on:htmx:after-request="update_funkos()">Delete</button>
     <%- else -%>
       <button hx-get="funkos/<%= f["name"] %>/start" hx-on:htmx:after-request="update_funkos()">Start</button>
       <button disabled hx-get="funkos/<%= f["name"] %>/stop" hx-on:htmx:after-request="update_funkos()">Stop</button>
+      <button hx-delete="funkos/<%= f["name"] %>/" hx-on:htmx:after-request="update_funkos()">Delete</button>
     <%- end -%>
       <button hx-get="funkos/<%= f["name"] %>/restart" hx-on:htmx:after-request="update_funkos()">Restart</button>
   <%- end -%>