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Merge pull request #152 from fluent/dryrun_button_to_config_edit

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Dryrun button to config edit
This commit is contained in:
uu59 2015-02-04 16:07:10 +09:00
commit a4c88f23aa
13 changed files with 135 additions and 78 deletions
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39
app/controllers/fluentd/settings_controller.rb
View File

@ -17,14 +17,24 @@ class Fluentd::SettingsController < ApplicationController
end
def update
Fluent::Config::V1Parser.parse(params[:config], @fluentd.config_file)
@fluentd.agent.config_write params[:config]
@fluentd.agent.restart if @fluentd.agent.running?
redirect_to daemon_setting_path(@fluentd)
rescue Fluent::ConfigParseError => e
@config = params[:config]
@error = e.message
render "edit"
if params[:dryrun]
if dryrun(params[:config])
flash.now[:success] = I18n.t('messages.dryrun_is_passed')
else
flash.now[:danger] = @fluentd.agent.last_error_message
end
@config = params[:config]
render "edit"
else
begin
update_config(params[:config])
redirect_to daemon_setting_path(@fluentd)
rescue Fluent::ConfigParseError => e
@config = params[:config]
flash.now[:danger] = e.message
render "edit"
end
end
end
def source_and_output
@ -37,4 +47,17 @@ class Fluentd::SettingsController < ApplicationController
def set_config
@config = @fluentd.agent.config
end
def dryrun(conf)
tmpfile = Tempfile.open("fluentd-test-config")
tmpfile.write params[:config]
tmpfile.close
@fluentd.agent.dryrun(tmpfile.path)
end
def update_config(conf)
Fluent::Config::V1Parser.parse(conf, @fluentd.config_file)
@fluentd.agent.config_write conf
@fluentd.agent.restart if @fluentd.agent.running?
end
end

1
app/models/fluentd/agent.rb
View File

@ -23,5 +23,6 @@ class Fluentd
# td-agent: /etc/td-agent/td-agent.conf
# - https://github.com/treasure-data/td-agent/blob/master/debian/td-agent.postinst#L69
# fluentd: /etc/fluent/fluent.conf (by fluentd -s)
class ConfigError < StandardError; end
end
end

4
app/models/fluentd/agent/common.rb
View File

@ -45,6 +45,10 @@ class Fluentd
errors
end
def last_error_message
recent_errors(1).first.try(:[], :subject) || ""
end
def pid_file
extra_options[:pid_file] || self.class.default_options[:pid_file]
end

21
app/models/fluentd/agent/fluentd_gem.rb
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@ -42,12 +42,20 @@ class Fluentd
actual_reload
end
def dryrun
def dryrun!(file_path = nil)
Bundler.with_clean_env do
system("fluentd -q --dry-run #{options_to_argv}")
system("fluentd -q --dry-run #{options_to_argv(config_file: file_path)}", out: File::NULL, err: File::NULL)
raise ::Fluentd::Agent::ConfigError, last_error_message unless $?.exitstatus.zero?
end
end
def config_syntax_check
Fluent::Config::V1Parser.parse(params[:config], config_file)
true
rescue Fluent::ConfigParseError
false
end
def version
Bundler.with_clean_env do
`fluentd --version`.strip
@ -56,15 +64,6 @@ class Fluentd
private
def options_to_argv
argv = ""
argv << " --use-v1-config"
argv << " -c #{config_file}"
argv << " -d #{pid_file}"
argv << " -o #{log_file}"
argv
end
def validate_fluentd_options
dryrun
end

16
app/models/fluentd/agent/local_common.rb
View File

@ -73,6 +73,13 @@ class Fluentd
backup_files_in_old_order.reverse
end
def dryrun(file_path = nil)
dryrun!(file_path)
true
rescue ::Fluentd::Agent::ConfigError
false
end
private
def backup_config
@ -173,6 +180,15 @@ class Fluentd
thread.join
thread.value.exitstatus.zero?
end
def options_to_argv(opts = {})
argv = ""
argv << " --use-v1-config"
argv << " -c #{opts[:config_file] || config_file}"
argv << " -d #{opts[:pid_file] || pid_file}"
argv << " -o #{opts[:log_file] || log_file}"
argv
end
end
end
end

7
app/models/fluentd/agent/td_agent.rb
View File

@ -16,6 +16,13 @@ class Fluentd
`/usr/sbin/td-agent --version`.strip
end
def dryrun!(file_path = nil)
Bundler.with_clean_env do
system("/usr/sbin/td-agent --dry-run #{options_to_argv(config_file: file_path)}", out: File::NULL, err: File::NULL)
raise ::Fluentd::Agent::ConfigError, last_error_message unless $?.exitstatus.zero?
end
end
case FluentdUI.platform
when :macosx
include Macosx

4
app/models/fluentd/agent/td_agent/macosx.rb
View File

@ -16,10 +16,6 @@ class Fluentd
dryrun && stop && start
end
def dryrun
detached_command("/usr/sbin/td-agent --dry-run -q --use-v1-config -c #{config_file}")
end
private
def plist

4
app/models/fluentd/agent/td_agent/unix.rb
View File

@ -17,10 +17,6 @@ class Fluentd
# https://github.com/treasure-data/td-agent/blob/master/debian/td-agent.init#L156
detached_command('/etc/init.d/td-agent restart')
end
def dryrun
detached_command('/etc/init.d/td-agent configtest')
end
end
end
end

4
app/views/fluentd/settings/edit.html.haml
View File

@ -1,10 +1,8 @@
- page_title t('.page_title', label: @fluentd.label)
- if @error
%pre.alert.alert-danger= @error
= form_tag(daemon_setting_path(@fluentd), method: :patch) do
.form-group
= text_area_tag "config", @config, class: "form-control", rows: 40, class: "js-fluentd-config-editor"
%p.text.text-danger= t('terms.notice_restart_for_config_edit', brand: fluentd_ui_brand)
= submit_tag t("terms.update"), class: "btn btn-primary"
= submit_tag t("terms.configtest"), class: "btn btn-default", name: "dryrun"

5
circle.yml
View File

@ -6,3 +6,8 @@ checkout:
post:
- mkdir -p tmp
- sync
dependencies:
pre:
- wget http://packages.treasuredata.com.s3.amazonaws.com/2/ubuntu/precise/pool/contrib/t/td-agent/td-agent_2.1.3-0_amd64.deb
- sudo dpkg -i td-agent_2.1.3-0_amd64.deb

49
spec/models/fluentd/agent_spec.rb
View File

@ -96,32 +96,9 @@ describe Fluentd::Agent do
describe "#restart" do
it_should_behave_like "Restart strategy"
end
describe "#dryrun" do
subject { instance.dryrun }
describe "valid/invalid" do
before { instance.stub(:system).and_return(ret) }
context "valid config" do
let(:ret) { true }
it { should be_truthy }
end
context "invalid config" do
let(:ret) { false }
it { should be_falsy }
end
end
it "invoke #system" do
instance.should_receive(:system).with(/--dry-run/)
subject
end
end
end
describe "TdAgent" do
describe "TdAgent", td_agent_required: true do
let(:described_class) { Fluentd::Agent::TdAgent } # override nested described_class behavior as https://github.com/rspec/rspec-core/issues/1114
it_should_behave_like "Fluentd::Agent has common behavior"
@ -153,30 +130,6 @@ describe Fluentd::Agent do
expect(File.read(backup_file)).to eq File.read(instance.config_file)
end
end
describe "#dryrun" do
subject { instance.dryrun }
describe "valid/invalid" do
before { instance.stub(:detached_command).and_return(ret) }
context "valid config" do
let(:ret) { true }
it { should be_truthy }
end
context "invalid config" do
let(:ret) { false }
it { should be_falsy }
end
end
it "invoke #system" do
# --dry-run check on Mac, configtest for Unix
instance.should_receive(:detached_command).with(/(--dry-run|configtest)/)
subject
end
end
end
end

6
spec/spec_helper.rb
View File

@ -62,6 +62,12 @@ RSpec.configure do |config|
# rspec 2.99
config.infer_spec_type_from_file_location!
unless File.directory?("/opt/td-agent")
# including td-agent specific tests, so some tests will fail if the system has no td-agent
warn "\n\nSkipping td-agent specific tests (system has no td-agent)\n\n"
config.filter_run_excluding :td_agent_required => true
end
config.after(:suite) do
FileUtils.rm_rf FluentdUI.data_dir
end

53
spec/support/fluentd_agent_common_behavior.rb
View File

@ -124,5 +124,58 @@ shared_examples_for "Fluentd::Agent has common behavior" do |klass|
end
end
end
describe "#dryrun" do
let(:root) { FluentdUI.data_dir + "/tmp/agentspec/" }
let(:dummy_log_file) { root + "dummy.log" }
let(:dummy_pid_file) { root + "dummy.pid" }
before do
FileUtils.mkdir_p root
instance.stub(:log_file).and_return(dummy_log_file)
instance.stub(:pid_file).and_return(dummy_pid_file)
end
describe "valid/invalid" do
let(:config_path) { Rails.root.join("tmp", "fluent-test.conf").to_s }
before { File.write(config_path, config) }
after { File.unlink(config_path) }
context "valid config" do
let(:config) { <<-CONF.strip_heredoc }
<source>
type forward
</source>
CONF
context "with `!`" do
subject { instance.dryrun!(config_path) }
it { expect { subject }.to_not raise_error }
end
context "without `!`" do
subject { instance.dryrun(config_path) }
it { should be_truthy }
end
end
context "invalid config" do
let(:config) { <<-CONF.strip_heredoc }
<source>
type forward
CONF
context "with `!`" do
subject { instance.dryrun!(config_path) }
it { expect { subject }.to raise_error(Fluentd::Agent::ConfigError) }
end
context "without `!`" do
subject { instance.dryrun(config_path) }
it { should be_falsy }
end
end
end
end
end