Mastering SaltStack

SaltStackisknownasapopularconfigurationmanagementsystem,butthatbarelyscratchesthesurface.Itis,infact,apowerfulautomationsuite,whichisdesignednotonlytohelpyoumanageyourservers,buttohelpthemmanagethemselves.SaltStackisusedworldwidebyorganizationsrangingfromjustafewservers,totensofthousandsofnodesacrossdatacentersinmultiplecontinents.Thisaward-winningsoftwareisfastbecomingthestandardforsystemsmanagementinthecloudworld.ThisbookwilltakeyouthroughtheadvancedfeaturesofSaltStack,bringingforwardcapabilitiesthatwillhelpyouexcelinthemanagementofyourservers.Youwillbetakenthroughthethemindofthemodernsystemsengineer,anddiscoverhowtheyuseSalttomanagetheirinfrastructures,andwhythosedesigndecisionsaresoimportant.TheinnerworkingsofSaltwillbeexplored,sothatasyouadvanceyourknowledgeofSalt,youwillbeabletoswimwiththecurrent,ratherthanagainstit.VarioussubsystemsofSaltareexplainedindetail,includingSaltSSH,SaltCloud,andexternalpillars,filesystems,andjobcaches.Youwillbetakenthroughanin-depthdiscussionofhowtoeffectivelyscaleSalttomanagethousandsofmachines,andhowtotroubleshootissueswhenthingsdon'tgoexactlythewayyouexpectthemto.YouwillalsobetakenthroughanoverviewofRAET,Salt'snewtransportprotocol,andgivenaninsightintohowthistechnologyimprovesSalt,andthepossibilitiesthatitbringswithit.