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centos5安装salt-master
本篇文档主要解决2个问题：
1. centos5通过yum安装的master版本肯定低于centos6安装的minion，所以必须升级salt-master
2. zeromq版本太低会报这个错
2014-10-29 14:36:04,597 [salt.master ][WARNING ] You have a version of ZMQ less than ZMQ 3.2! There are known connection keep-alive issues with ZMQ < 3.2 which may result in loss of contact with minions. Please upgrade your ZMQ!
通过pip安装salt-master之前需要先安装zeromq，因为yum安装的版本太低，启动salt-master会出现上面那个警告，然后master就退出了
源码编译安装zeromq
wget http://download.zeromq.org/zeromq-3.2.5.tar.gz
解压后，通用的编译安装步骤就可以了
cd zeromq-3.2.5
.configure && make && make install
然后pip安装pyzmq
/usr/local/python/bin/pip install pyzmq --install-option="--zmq=/usr/lib"
安装salt
/usr/local/python/bin/pip install salt
这样salt是安装在python的bin目录中
/usr/local/python/bin/|-- 2to3|-- django-admin|-- django-admin.py|-- django-admin.pyc|-- easy_install|-- easy_install-2.7|-- idle|-- pip|-- pip2|-- pip2.7|-- pydoc|-- python -> python2|-- python-config -> python2-config|-- python2 -> python2.7|-- python2-config -> python2.7-config|-- python2.7|-- python2.7-config|-- salt|-- salt-call|-- salt-cloud|-- salt-cp|-- salt-key|-- salt-master|-- salt-minion|-- salt-run|-- salt-ssh|-- salt-syndic`-- smtpd.py
这样通过python的pip安装的salt是没有启动脚本的，这里附上启动脚本(yum安装的salt-master启动脚本在/etc/init.d/salt-master)
#!/bin/bash## salt master startup system-v scriptDEBIAN_VERSION=/etc/debian_versionSUSE_RELEASE=/etc/SuSE-release# Source function library.if [ -f $DEBIAN_VERSION ]; then break elif [ -f $SUSE_RELEASE -a -r /etc/rc.status ]; then . /etc/rc.statuselse . /etc/rc.d/init.d/functionsfiSALTMASTER=/usr/local/python/bin/salt-masterpython=/usr/local/python/bin/pythonSERVICE=salt-masterPROCESS=salt-masterstart() { echo -n ‘starting salt-master daemon:‘ daemon --check $SERVICE $SALTMASTER -d RETVAL=$? echo return $RETVAL}stop() { echo -n ‘stoping salt-master daemon:‘ killproc $PROCESS RETVAL=$? echo}restart() { stop start}case "$1" in start|stop|restart) $1 ;; status) if [ -f $SUSE_RELEASE ]; then echo -n "Checking for service salt-master " checkproc $SALTMASTER rc_status -v elif [ -f $DEBIAN_VERSION ]; then if [ -f $LOCKFILE ]; then RETVAL=0 echo "salt-master is running." else RETVAL=1 echo "salt-master is stopped." fi else status $PROCESS RETVAL=$? fi ;; condrestart) [ -f $LOCKFILE ] && restart || : ;; reload) echo "can‘t reload configuration, you have to restart it" RETVAL=$? ;; *) echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}" exit 1 ;;esacexit $RETVAL
centos5安装salt-master
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