Files
kamal/lib/kamal/cli/build.rb
Donal McBreen 96ef0fbc4d Fix merge error
2024-05-21 12:02:16 +01:00

149 lines
4.0 KiB
Ruby

require "uri"
class Kamal::Cli::Build < Kamal::Cli::Base
class BuildError < StandardError; end
desc "deliver", "Build app and push app image to registry then pull image on servers"
def deliver
push
pull
end
desc "push", "Build and push app image to registry"
def push
cli = self
verify_local_dependencies
run_hook "pre-build"
uncommitted_changes = Kamal::Git.uncommitted_changes
if KAMAL.config.builder.git_clone?
if uncommitted_changes.present?
say "Building from a local git clone, so ignoring these uncommitted changes:\n #{uncommitted_changes}", :yellow
end
prepare_clone
elsif uncommitted_changes.present?
say "Building with uncommitted changes:\n #{uncommitted_changes}", :yellow
end
# Get the command here to ensure the Dir.chdir doesn't interfere with it
push = KAMAL.builder.push
run_locally do
begin
KAMAL.with_verbosity(:debug) do
Dir.chdir(KAMAL.config.builder.build_directory) { execute *push }
end
rescue SSHKit::Command::Failed => e
if e.message =~ /(no builder)|(no such file or directory)/
warn "Missing compatible builder, so creating a new one first"
if cli.create
KAMAL.with_verbosity(:debug) do
Dir.chdir(KAMAL.config.builder.build_directory) { execute *push }
end
end
else
raise
end
end
end
end
desc "pull", "Pull app image from registry onto servers"
def pull
on(KAMAL.hosts) do
execute *KAMAL.auditor.record("Pulled image with version #{KAMAL.config.version}"), verbosity: :debug
execute *KAMAL.builder.clean, raise_on_non_zero_exit: false
execute *KAMAL.builder.pull
execute *KAMAL.builder.validate_image
end
end
desc "create", "Create a build setup"
def create
if (remote_host = KAMAL.config.builder.remote_host)
connect_to_remote_host(remote_host)
end
run_locally do
begin
debug "Using builder: #{KAMAL.builder.name}"
execute *KAMAL.builder.create
rescue SSHKit::Command::Failed => e
if e.message =~ /stderr=(.*)/
error "Couldn't create remote builder: #{$1}"
false
else
raise
end
end
end
end
desc "remove", "Remove build setup"
def remove
run_locally do
debug "Using builder: #{KAMAL.builder.name}"
execute *KAMAL.builder.remove
end
end
desc "details", "Show build setup"
def details
run_locally do
puts "Builder: #{KAMAL.builder.name}"
puts capture(*KAMAL.builder.info)
end
end
private
def verify_local_dependencies
run_locally do
begin
execute *KAMAL.builder.ensure_local_dependencies_installed
rescue SSHKit::Command::Failed => e
build_error = e.message =~ /command not found/ ?
"Docker is not installed locally" :
"Docker buildx plugin is not installed locally"
raise BuildError, build_error
end
end
end
def connect_to_remote_host(remote_host)
remote_uri = URI.parse(remote_host)
if remote_uri.scheme == "ssh"
host = SSHKit::Host.new(
hostname: remote_uri.host,
ssh_options: { user: remote_uri.user, port: remote_uri.port }.compact
)
on(host, options) do
execute "true"
end
end
end
def prepare_clone
run_locally do
begin
info "Cloning repo into build directory `#{KAMAL.config.builder.build_directory}`..."
execute *KAMAL.builder.create_clone_directory
execute *KAMAL.builder.clone
rescue SSHKit::Command::Failed => e
if e.message =~ /already exists and is not an empty directory/
info "Resetting local clone as `#{KAMAL.config.builder.build_directory}` already exists..."
KAMAL.builder.clone_reset_steps.each { |step| execute *step }
else
raise
end
end
end
end
end