Switched to docopt because all CLI things suck
This commit is contained in:
parent
bef6ded369
commit
11d7cf1f9f
@ -4,10 +4,6 @@ shards:
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git: https://github.com/sija/backtracer.cr.git
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version: 1.2.2
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commander:
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git: https://github.com/mrrooijen/commander.git
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version: 0.4.0
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crest:
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git: https://github.com/mamantoha/crest.git
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version: 1.3.13
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@ -20,6 +16,10 @@ shards:
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git: https://github.com/naqvis/crystar.git
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version: 0.4.0
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docopt:
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git: https://github.com/chenkovsky/docopt.cr.git
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version: 0.2.0+git.commit.620fce4f334ff15d7321e5ecb6665ad258fe9297
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docr:
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git: https://github.com/ralsina/docr.git
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version: 0.1.1+git.commit.18f15cc7111b1d0c63347c7cca07aee9ec87a7a8
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22
shard.yml
22
shard.yml
@ -15,18 +15,18 @@ crystal: ">= 1.12.2"
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license: MIT
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dependencies:
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docr:
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github: ralsina/docr
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branch: add_exposed_ports
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commander:
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github: mrrooijen/commander
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kemal:
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github: kemalcr/kemal
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kemal-basic-auth:
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github: kemalcr/kemal-basic-auth
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crest:
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github: mamantoha/crest
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crinja:
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github: straight-shoota/crinja
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crystar:
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github: naqvis/crystar
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crest:
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github: mamantoha/crest
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docopt:
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github: chenkovsky/docopt.cr
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docr:
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github: ralsina/docr
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branch: add_exposed_ports
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kemal:
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github: kemalcr/kemal
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kemal-basic-auth:
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github: kemalcr/kemal-basic-auth
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85
src/faaso.cr
85
src/faaso.cr
@ -1,5 +1,4 @@
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require "./funko.cr"
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require "commander"
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require "crest"
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require "docr"
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require "docr/utils.cr"
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@ -29,19 +28,10 @@ module Faaso
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module Commands
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# Build images for one or more funkos
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class Build
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@arguments : Array(String) = [] of String
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@options : Commander::Options
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def run(options, folders : Array(String))
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funkos = Funko::Funko.from_paths(folders)
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def initialize(options, arguments)
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@options = options
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@arguments = arguments
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end
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def run
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funkos = Funko::Funko.from_paths(@arguments)
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local = @options.@bool["local"]
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if local
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if options["--local"]
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funkos.each do |funko|
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# Create temporary build location
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tmp_dir = Path.new("tmp", UUID.random.to_s)
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@ -112,7 +102,7 @@ module Faaso
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# If there are no images for the funko, it will fail to bring it up.
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class Up
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@arguments : Array(String) = [] of String
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@options : Commander::Options
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@options : Hash(String, Bool)
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def initialize(options, arguments)
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@options = options
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@ -179,64 +169,17 @@ module Faaso
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end
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class Export
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@arguments : Array(String) = [] of String
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@options : Commander::Options
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def initialize(options, arguments)
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@options = options
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@arguments = arguments
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end
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def run
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funkos = Funko::Funko.from_paths(@arguments)
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funkos.each do |funko|
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# Create temporary build location
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dst_path = Path.new("export", funko.name)
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if File.exists? dst_path
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Log.error { "#{dst_path} already exists, not exporting #{funko.path}" }
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next
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end
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Log.info { "Exporting #{funko.path} to #{dst_path}" }
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Dir.mkdir_p(dst_path)
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funko.prepare_build dst_path
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end
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end
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end
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class Down
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@arguments : Array(String) = [] of String
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@options : Commander::Options
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def initialize(options, arguments)
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@options = options
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@arguments = arguments
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end
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def run
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@arguments.each do |arg|
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Log.info { "Stopping funko... #{arg}" }
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# TODO: check if funko is running
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# TODO: stop funko container
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# TODO: delete funko container
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# TODO: remove route from reverse proxy
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end
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end
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end
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class Deploy
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@arguments : Array(String) = [] of String
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@options : Commander::Options
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def initialize(options, arguments)
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@options = options
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@arguments = arguments
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end
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def run
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@arguments.each do |arg|
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Log.info { "Deploying funko... #{arg}" }
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# TODO: Everything
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def run(options, source : String, destination : String)
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funko = Funko::Funko.from_paths([source])[0]
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# Create temporary build location
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dst_path = destination
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if File.exists? dst_path
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Log.error { "#{dst_path} already exists, not exporting #{funko.path}" }
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return 1
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end
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Log.info { "Exporting #{funko.path} to #{dst_path}" }
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Dir.mkdir_p(dst_path)
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funko.prepare_build Path[dst_path]
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end
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end
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end
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81
src/funko.cr
81
src/funko.cr
@ -25,6 +25,10 @@ module Funko
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@[YAML::Field(ignore: true)]
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property path : String = ""
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# Scale: how many instances of this funko should be running
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@[YAML::Field(ignore: true)]
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property scale = 0
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# Healthcheck properties
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property healthcheck_options : String = "--interval=1m --timeout=2s --start-period=2s --retries=3"
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property healthcheck_command : String = "curl --fail http://localhost:3000/ping || exit 1"
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@ -60,37 +64,31 @@ module Funko
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}
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end
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# Create an array of funkos just from names. These are limited in function
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# and can't call `prepare_build` or some other functionality
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def self.from_names(names : Array(String)) : Array(Funko)
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names.map { |name|
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Funko.from_yaml("name: #{name}")
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# Get the number of running instances of this funko
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def scale
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docker_api = Docr::API.new(Docr::Client.new)
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docker_api.containers.list.count { |container|
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container.@name.starts_with? "faaso-#{name}-" && container.@state == "running"
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}
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end
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# Get all the funkos docker knows about.
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def self.from_docker : Array(Funko)
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# Set the number of running instances of this funko
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def scale(new_scale : Int)
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docker_api = Docr::API.new(Docr::Client.new)
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names = [] of String
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current_scale = self.scale
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return if current_scale == new_scale
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# Get all containers that look like funkos
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docker_api.containers.list(
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all: true,
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).each { |container|
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container.@names.each { |name|
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names << name.split("-", 2)[1].lstrip("/") if name.starts_with?("/faaso-")
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if new_scale > current_scale
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(current_scale...new_scale).each { start(create_container) }
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else
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containers.select { |contatiner| container.@state == "running" }.sort! { |i, j|
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i.@created <=> j.@created
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}.each { |container|
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docker_api.containers.stop(container.@id)
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current_scale -= 1
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break if current_scale == new_scale
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}
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}
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# Now get all images that look like funkos, since
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# we can start them just fine.
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docker_api.images.list.each { |image|
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next if image.@repo_tags.nil?
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image.@repo_tags.as(Array(String)).each { |tag|
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names << tag.split("-", 2)[1].split(":", 2)[0] if tag.starts_with?("faaso-")
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}
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}
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from_names(names.to_set.to_a.sort!)
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end
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end
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# Setup the target directory `path` with all the files needed
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@ -280,5 +278,38 @@ module Funko
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docker_api.containers.start(response.@id) if autostart
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response.@id
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end
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# Create an array of funkos just from names. These are limited in function
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# and can't call `prepare_build` or some other functionality
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def self.from_names(names : Array(String)) : Array(Funko)
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names.map { |name|
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Funko.from_yaml("name: #{name}")
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}
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end
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# Get all the funkos docker knows about.
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def self.from_docker : Array(Funko)
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docker_api = Docr::API.new(Docr::Client.new)
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names = [] of String
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# Get all containers that look like funkos
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docker_api.containers.list(
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all: true,
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).each { |container|
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container.@names.each { |name|
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names << name.split("-", 2)[1].lstrip("/") if name.starts_with?("/faaso-")
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}
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}
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# Now get all images that look like funkos, since
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# we can start them just fine.
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docker_api.images.list.each { |image|
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next if image.@repo_tags.nil?
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image.@repo_tags.as(Array(String)).each { |tag|
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names << tag.split("-", 2)[1].split(":", 2)[0] if tag.starts_with?("faaso-")
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}
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}
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from_names(names.to_set.to_a.sort!)
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end
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end
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end
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127
src/main.cr
127
src/main.cr
@ -1,6 +1,21 @@
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require "./faaso.cr"
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require "colorize"
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require "commander"
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require "docopt"
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doc = <<-DOC
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FaaSO CLI tool.
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Usage:
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faaso build FOLDER ... [-l] [-v=<level>]
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faaso scale FUNKO_NAME SCALE [-l] [-v=<level>]
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faaso export SOURCE DESTINATION [-v=<level>]
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Options:
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-h --help Show this screen.
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--version Show version.
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-l --local Run commands locally instead of against a FaaSO server.
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-v=level Control the logging verbosity, 0 to 5 [default: 3]
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DOC
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# Log formatter for
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struct LogFormat < Log::StaticFormatter
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@ -17,19 +32,15 @@ struct LogFormat < Log::StaticFormatter
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string "[#{Time.local}] #{@entry.severity.label}: #{@entry.message}".colorize(@@colors[@entry.severity.label])
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end
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def self.setup(quiet : Bool, verbosity)
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if quiet
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_verbosity = Log::Severity::Fatal
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else
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_verbosity = [
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Log::Severity::Fatal,
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Log::Severity::Error,
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Log::Severity::Warn,
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Log::Severity::Info,
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Log::Severity::Debug,
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Log::Severity::Trace,
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][[verbosity, 5].min]
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end
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def self.setup(verbosity)
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_verbosity = [
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Log::Severity::Fatal,
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Log::Severity::Error,
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Log::Severity::Warn,
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Log::Severity::Info,
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Log::Severity::Debug,
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Log::Severity::Trace,
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][[verbosity, 5].min]
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Log.setup(
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_verbosity,
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Log::IOBackend.new(io: STDERR, formatter: LogFormat)
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@ -37,86 +48,12 @@ struct LogFormat < Log::StaticFormatter
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end
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end
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cli = Commander::Command.new do |cmd|
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cmd.use = "faaso"
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cmd.long = "Functions as a Service, Open"
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ans = Docopt.docopt(doc, ARGV)
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LogFormat.setup(ans["-v"].to_s.to_i)
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cmd.flags.add do |flag|
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flag.name = "local"
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flag.short = "-l"
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flag.long = "--local"
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flag.description = "Run commands locally instead of against a FaaSO server."
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flag.default = false
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flag.persistent = true
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end
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cmd.flags.add do |flag|
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flag.name = "quiet"
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flag.short = "-q"
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flag.long = "--quiet"
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flag.description = "Don't log anything"
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flag.default = false
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flag.persistent = true
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end
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cmd.flags.add do |flag|
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flag.name = "verbosity"
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flag.short = "-v"
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flag.long = "--verbosity"
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flag.description = "Control the logging verbosity, 0 to 5 "
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flag.default = 3
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flag.persistent = true
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end
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cmd.commands.add do |command|
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command.use = "build"
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command.short = "Build a funko"
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command.long = "Build a funko's Docker image and upload it to registry"
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command.run do |options, arguments|
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LogFormat.setup(options.@bool["quiet"], options.@int["verbosity"])
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Faaso::Commands::Build.new(options, arguments).run
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end
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end
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cmd.commands.add do |command|
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command.use = "up"
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command.short = "Ensure funkos are running"
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command.long = "Start/unpause/create containers for requested funkos and ensure they are up."
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command.run do |options, arguments|
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LogFormat.setup(options.@bool["quiet"], options.@int["verbosity"])
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Faaso::Commands::Up.new(options, arguments).run
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end
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end
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cmd.commands.add do |command|
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command.use = "deploy"
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command.short = "Deploy latest images"
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command.long = "Update containers for all funkos to latest image."
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command.run do |options, arguments|
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LogFormat.setup(options.@bool["quiet"], options.@int["verbosity"])
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Faaso::Commands::Deploy.new(options, arguments).run
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end
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end
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cmd.commands.add do |command|
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command.use = "down"
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command.short = "Stop a funko"
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command.long = "Stop a funko in a container"
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command.run do |options, arguments|
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LogFormat.setup(options.@bool["quiet"], options.@int["verbosity"])
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Faaso::Commands::Down.new(options, arguments).run
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end
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end
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cmd.commands.add do |command|
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command.use = "export"
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command.short = "Export a funko to a directory"
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command.long = "Exports a funko as a self-contained directory."
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command.run do |options, arguments|
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LogFormat.setup(options.@bool["quiet"], options.@int["verbosity"])
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Faaso::Commands::Export.new(options, arguments).run
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end
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end
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case ans
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when .fetch("build", false)
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Faaso::Commands::Build.new.run(ans, ans["FOLDER"].as(Array(String)))
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when .fetch("export", false)
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Faaso::Commands::Export.new.run(ans, ans["SOURCE"].as(String), ans["DESTINATION"].as(String))
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end
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Commander.run(cli, ARGV)
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