Class: Lono::Cfn::Base
Instance Method Summary
collapse
#sure?
#cfn, #ec2, #iam, #s3, #s3_presigner, #s3_resource, #sts
#rollback_complete?, #testing_update?
#find_stack_set, #stack_set_exists?
#find_stack, #stack_exists?
#initialize, #reinitialize, #template_path
#find_blueprint_root, #set_blueprint_root
Instance Method Details
#capabilities ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 163
def capabilities
return @options[:capabilities] if @options[:capabilities]
if @options[:sure] || @options[:iam]
["CAPABILITY_IAM", "CAPABILITY_NAMED_IAM", "CAPABILITY_AUTO_EXPAND"]
end
end
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#check_registration ⇒ Object
#command_with_iam(capabilities) ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 108
def command_with_iam(capabilities)
"#{File.basename($0)} #{ARGV.join(' ')} --capabilities #{capabilities}"
end
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#continue_update_rollback ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 63
def continue_update_rollback
continue_update_rollback_sure?
options = {stack_name: @stack}
show_options(options, "cfn.continue_update_rollback")
begin
cfn.continue_update_rollback(options)
rescue Aws::CloudFormation::Errors::ValidationError => e
puts "ERROR5: #{e.message}".color(:red)
exit 1
end
end
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#continue_update_rollback_sure? ⇒ Boolean
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# File 'lib/lono/cfn/base.rb', line 50
def continue_update_rollback_sure?
puts <<~EOL
The stack is in the UPDATE_ROLLBACK_FAILED state. More info here: https://amzn.to/2IiEjc5
Would you like to try to continue the update rollback? (y/N)
EOL
sure = @options[:sure] ? "y" : $stdin.gets
unless sure =~ /^y/
puts "Exiting without continuing the update rollback."
exit 0
end
end
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#delete_rollback_stack ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 75
def delete_rollback_stack
rollback = Rollback.new(@stack)
rollback.delete_stack
end
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#exit_unless_updatable! ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 138
def exit_unless_updatable!
return true if testing_update?
return false if @options[:noop]
status = stack_status
unless status =~ /_COMPLETE$/ || status == "UPDATE_ROLLBACK_FAILED"
puts "Cannot create a change set for the stack because the #{@stack} is not in an updatable state. Stack status: #{status}".color(:red)
quit(1)
end
end
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#generate_all ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 112
def generate_all
Lono::Generate.new(@options).all
end
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#pretty_path(path) ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 194
def pretty_path(path)
path.sub("#{Lono.root}/",'')
end
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#prompt_for_iam(capabilities) ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 100
def prompt_for_iam(capabilities)
puts "This stack will create IAM resources. Please approve to run the command again with #{capabilities} capabilities."
puts " #{command_with_iam(capabilities)}"
puts "Please confirm (y/N)"
$stdin.gets
end
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#quit(signal) ⇒ Object
To allow mocking in specs
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# File 'lib/lono/cfn/base.rb', line 159
def quit(signal)
exit signal
end
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#rerun_with_iam?(e) ⇒ Boolean
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# File 'lib/lono/cfn/base.rb', line 85
def rerun_with_iam?(e)
capabilities = e.message.match(/\[(.*)\]/)[1]
confirm = prompt_for_iam(capabilities)
if confirm =~ /^y/
@options.merge!(capabilities: [capabilities])
puts "Re-running: #{command_with_iam(capabilities).color(:green)}"
true
else
puts "Exited"
exit 1
end
end
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#run ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 14
def run
starting_message
parameters = generate_all
begin
check_registration
save(parameters) rescue Aws::CloudFormation::Errors::InsufficientCapabilitiesException => e
yes = rerun_with_iam?(e)
retry if yes
rescue Aws::CloudFormation::Errors::ValidationError => e
if e.message.include?("No updates") puts "WARN: #{e.message}".color(:yellow)
elsif e.message.include?("UPDATE_ROLLBACK_FAILED") continue_update_rollback
else
puts "ERROR: #{e.message}".color(:red)
exit 1
end
end
return unless @options[:wait]
success = false
if !@options[:noop]
success = status.wait
end
exit 1 unless success
success
end
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#set_template_url!(options) ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 185
def set_template_url!(options)
upload = Lono::Template::Upload.new(@options)
url_path = template_path.sub("#{Lono.root}/",'')
url = upload.s3_presigned_url(url_path)
url.gsub!(/\.yml.*/, ".yml") options[:template_url] = url
options
end
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#show_options(options, meth = nil) ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 170
def show_options(options, meth=nil)
options = options.clone.compact
options[:template_body] = "Hidden due to size... View at: #{pretty_path(template_path)}"
options[:template_url] = options[:template_url].sub(/\?.*/,'')
to = meth || "AWS API"
puts "Parameters passed to #{to}:"
puts YAML.dump(options.deep_stringify_keys)
end
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#stack_status ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 151
def stack_status
return true if testing_update?
return false if @options[:noop]
resp = cfn.describe_stacks(stack_name: @stack_name)
resp.stacks[0].stack_status
end
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#starting_message ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 9
def starting_message
action = self.class.to_s.split('::').last
puts "#{action} #{@stack.color(:green)} stack..."
end
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#status ⇒ Object
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# File 'lib/lono/cfn/base.rb', line 80
def status
Status.new(@stack)
end
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Maps to CloudFormation format. Example:
{"a"=>"1", "b"=>"2"}
To
[{key: "a", value: "1"}, {key: "b", value: "2"}]
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# File 'lib/lono/cfn/base.rb', line 122
def tags
tags = @options[:tags] || []
tags = tags.map do |k,v|
{ key: k, value: v }
end
update_operation = %w[Preview Update].include?(self.class.to_s)
if tags.empty? && update_operation
resp = cfn.describe_stacks(stack_name: @stack)
tags = resp.stacks.first.tags
tags = tags.map(&:to_h)
end
tags
end
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