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Size: 1.36 KB
Versions: 17
Compression:
Stored size: 1.36 KB
Contents
module Percheron
module Validators
class DockerClient
def valid?
message = rules.return { |rule| send(rule) }
message ? fail(Errors::DockerClientInvalid, formatted_message(message)) : true
end
private
def formatted_message(message)
"Docker client is invalid: #{message}"
end
def rules
[
:validate_existence,
:validate_version
]
end
def validate_existence
return nil if docker_client_exists?
'Is not in your PATH'
end
def validate_version
return nil if docker_client_exists? &&
Semantic::Version.new(current_version) >= minimum_version
"Version is insufficient, need #{minimum_version}"
end
def paths
ENV['PATH'].split(File::PATH_SEPARATOR)
end
def docker_client_exists?
paths.each do |path|
exe = File.join(path, Actions::Shell::DOCKER_CLIENT)
return true if File.executable?(exe) && !File.directory?(exe)
end
false
end
def minimum_version
@minimum_version ||= Semantic::Version.new('1.6.0')
end
def current_version
`#{Actions::Shell::DOCKER_CLIENT} --version`.chomp.match(/version (.+),/)[1]
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems