IPv6無効化時にyrmcdsが起動に失敗する件の再現環境

ipv6.conf

options ipv6 disable=0

playbook.yml

---
- hosts: all
  become: true
  tasks:
    - name: install epel
      yum: |
        name=http://ftp-srv2.kddilabs.jp/Linux/distributions/fedora/epel/6/x86_64/epel-release-6-8.noarch.rpm
        state=installed
      with_items: common_repo

    # devtools-2.repoを取得する
    - name: ensure install devtools-2.repo
      get_url: 'url=http://people.centos.org/tru/devtools-2/devtools-2.repo dest=/etc/yum.repos.d/'

    # devtoolset-2のインストール
    - name: install devtoolset-2 packages
      yum: name={{ item }} state=present enablerepo=testing-devtools-2-*
      with_items:
        - git
        - patch
        - libmemcached
        - devtoolset-2-gcc
        - devtoolset-2-binutils
        - devtoolset-2-gcc-c++

    # 依存パッケージのインストール
    - name: install deps
      yum: name={{ item }} state=present enablerepo=testing-devtools-2-*
      with_items:
        - libunwind
        - libunwind-devel
        - gperftools
        - gperftools-libs
        - gperftools-devel

    # yrmcdsのclone
    - name: clone yrmcds repo
      git: repo=https://github.com/cybozu/yrmcds.git dest=/usr/local/src/yrmcds update=false accept_hostkey=yes

    # パッチの転送
    - name: copy patch files
      copy: src={{ item }} dest=/usr/local/src/yrmcds
      with_items:
        - yrmcds-Makefile.diff
        - yrmcds-etc_upstart.diff
        - yrmcds-etc_yrmcds_conf.diff

    # パッチ当て
    - name: patch yrmcds
      patch: src=/usr/local/src/yrmcds/{{ item }} basedir=/usr/local/src/yrmcds
      with_items:
        - yrmcds-Makefile.diff
        - yrmcds-etc_upstart.diff
        - yrmcds-etc_yrmcds_conf.diff

    # ビルド
    - name: build yrmcds
      command: chdir=/usr/local/src/yrmcds scl enable devtoolset-2 -- make
      register: yrmcds_build_status
      changed_when: |
        yrmcds_build_status.stdout != "make: Nothing to be done for `all'."

    # バイナリを比較
    - name: test build binary
      stat: path=/usr/local/src/yrmcds/yrmcdsd
      register: yrmcds_build_bin

    - name: test installed binary
      stat: path=/usr/local/sbin/yrmcdsd
      register: yrmcds_installed_bin

    # インストール
    - name: install yrmcds
      command: chdir=/usr/local/src/yrmcds scl enable devtoolset-2 -- make install
      when: not yrmcds_installed_bin.stat.exists or (yrmcds_build_bin.stat.md5 != yrmcds_installed_bin.stat.md5)
      notify:
        - start yrmcds
        
    # ログがなかったら作成する
    - name: test log file
      stat: path=/var/log/yrmcds.log
      register: yrmcds_log
      
    - name: create log file
      file: path=/var/log/yrmcds.log owner=nobody group=nobody mode=0644 state=touch
      when: not yrmcds_log.stat.exists

    # ipv6.confの転送
    - name: copy ipv6.conf
      copy: src=ipv6.conf dest=/etc/modprobe.d/ipv6.conf

  handlers:
    # 起動
    - name: start yrmcds
      service: name=yrmcds state=started enabled=yes

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure(2) do |config|
  config.vm.box = "centos6.6"
  config.vm.provision "ansible" do |ansible|
    ansible.playbook = "playbook.yml"
    ansible.verbose = "v"
  end
end

yrmcds-etc_upstart.diff

--- etc/upstart.orig	2015-04-17 18:24:41.951527115 +0900
+++ etc/upstart	2015-04-17 18:25:01.826939416 +0900
@@ -15,20 +15,20 @@
 pre-start script
     [ -d /var/tmp/yrmcds ] || mkdir /var/tmp/yrmcds
     chmod 700 /var/tmp/yrmcds
-    chown nobody:nogroup /var/tmp/yrmcds
+    chown nobody:nobody /var/tmp/yrmcds
     rm -f /var/tmp/yrmcds/*
 
     # make sure keepalived init script was disabled.
     # ex) sudo update-rc.d keepalived disable
-    /etc/init.d/keepalived start
-    sleep 5
+    #/etc/init.d/keepalived start
+    #sleep 5
 end script
 
 post-stop script
-    /etc/init.d/keepalived stop
+    #/etc/init.d/keepalived stop
 
     # sleep a while to hand-off VIP
-    sleep 5
+    #sleep 5
 end script
 
 exec /usr/local/sbin/yrmcdsd

yrmcds-etc_yrmcds_conf.diff

--- etc/yrmcds.conf.orig	2015-04-17 18:03:06.561763890 +0900
+++ etc/yrmcds.conf	2015-04-17 18:30:36.105860791 +0900
@@ -4,7 +4,7 @@
 user = nobody
 
 # setgid group
-group = nogroup
+group = nobody
 
 # To become the master, virtual_ip address must be owned.
 virtual_ip = 127.0.0.1

yrmcds-Makefile.diff

--- Makefile.orig	2015-05-15 17:45:41.670011285 +0900
+++ Makefile	2015-05-15 17:47:24.047010439 +0900
@@ -19,7 +19,7 @@
 CPUFLAGS = #-march=core2 -mtune=corei7
 CXXFLAGS = -std=gnu++11 $(OPTFLAGS) $(DEBUGFLAGS) $(shell getconf LFS_CFLAGS) $(WARNFLAGS) $(CPUFLAGS)
 LDFLAGS = -L. $(shell getconf LFS_LDFLAGS)
-LDLIBS = $(shell getconf LFS_LIBS) -lyrmcds $(LIBTCMALLOC) -latomic -lpthread
+LDLIBS = $(shell getconf LFS_LIBS) -lyrmcds $(LIBTCMALLOC) -lpthread
 CLDOC := LD_LIBRARY_PATH=$(shell llvm-config --libdir 2>/dev/null) cldoc
 
 HEADERS = $(wildcard src/*.hpp src/*/*.hpp cybozu/*.hpp)
@@ -51,11 +51,11 @@
 	strip $(EXE)
 
 install: $(EXE)
-	cp etc/upstart /etc/init/yrmcds.conf
-	cp etc/logrotate /etc/logrotate.d/yrmcds
-	cp etc/yrmcds.conf $(DEFAULT_CONFIG)
-	cp $(EXE) $(PREFIX)/sbin/yrmcdsd
-	install -o nobody -g nogroup -m 644 /dev/null /var/log/yrmcds.log
+	install etc/upstart /etc/init/yrmcds.conf
+	install etc/logrotate /etc/logrotate.d/yrmcds
+	install etc/yrmcds.conf $(DEFAULT_CONFIG)
+	install $(EXE) $(PREFIX)/sbin/yrmcdsd
+#	install -o nobody -g nobody -m 644 /dev/null /var/log/yrmcds.log
 
 COPYING.hpp: COPYING
 	echo -n 'static char COPYING[] = R"(' > $@

vagrant boxは以下のものを使用

$ vagrant box add --name centos6.6 http://opscode-vm-bento.s3.amazonaws.com/vagrant/virtualbox/opscode_centos-6.6_chef-provisionerless.box