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Chef Backend is deprecated and no longer under active development. Contact your Chef account representative for information about migrating to Chef Automate HA.;
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chef (276), the (237), backend (151), and (90), #server (90), #cluster (78), frontend (69), infra (63), nodes (53), overview (49), node (48), install (45), postgresql (36), for (35), with (34), all (33), configure (31), automate (31), ctl (30), version (30), builder (30), from (29), deployment (28), aws (27), group (26), step (26), this (26), create (22), you (22), etc (22), upgrade (21), about (21), habitat (20), communication (19), network (19), requirements (19), will (19), config (19), user (19), packages (18), api (18), supermarket (18), are (17), manage (17), settings (17), that (17), services (16), configuration (16), following (16), run (16), users (16), prem (16), file (14), elasticsearch (14), package (14), opscode (14), management (14), workstation (14), reference (14), between (13), availability (13), community (13), system (13), database (13), data (13), not (12), members (12), key (12), high (12), must (12), each (12), md5_auth_cidr_addresses (12), restore (12), license 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rade upgrade upgrade to 3 x upgrade to 4 x update non san certificates for 4 7 52 version chef cloud chef 360 saas overview system requirements get started overview set up chef 360 saas install clis node management settings enroll nodes run courier jobs user guides create and use tokens with the chef 360 platform apis chef 360 platform system administration chef courier chef node management update skills chef saas overview get started aws opsworks migration configure sso redirect nodes chef desktop about chef desktop getting started requirements infrastructure overview install quick start guide install workstation automate server cookbook setup set up policy set up nodes zero touch deployment macos enrollment application management windows enrollment application management chef desktop cookbook reference resources all resources single page macos_admin_control macos_app_management macos_automatic_logout macos_automatic_software_updates macos_desktop_screensaver macos_disk_encryption macos_firewall macos_password_policy macos_power_management rescue_account windows_admin_control windows_app_management windows_automatic_logout windows_choco_installer windows_defender windows_defender_exclusion windows_desktop_screensaver windows_desktop_winrm_settings windows_disk_encryption windows_firewall windows_ie_esc windows_password_policy windows_power_management windows_update_settings chef habitat habitat v 2 1 habitat v 2 0 habitat v 1 6 habitat builder about habitat builder on prem builder about on prem builder install overview system requirements install builder connect your workstation to builder configure overview example builder env config file configure disaster recovery or warm spare use artifactory as a package artifact store configure builder logs scale builder frontend separate backend services manage overview minio postgresql rotate ssl certs upgrade builder origins overview create an origin origin keys origin membership and rbac packages overview bootstrap core packages update packages troubleshooting saas builder about habitat saas builder create an account builder profile origins origin packages builder api supported packages habitat package refresh strategy core base 2025 packages chef infra client chef infra client 19 chef infra client 18 chef infra server overview infra server overview services plan chef infra server prerequisites capacity planning install install chef infra server install high availability airgap tiered installation upgrades upgrade ha cluster license usage configure chef server rb settings chef infra server optional settings chef backend rb settings server firewalls and ports security manage backup and restore backend failure recovery monitor tuning log files users authentication and authorization organizations groups server users reference chef server ctl chef backend ctl chef infra server api firewalls ports chef inspec version 7 1 version 7 0 version 6 8 version 5 24 version 5 23 resource packs chef workstation workstation v26 1 workstation v26 0 workstation v25 cookstyle about cookstyle cookstyle cops list cops chef correctness blockguardwithonlystring chefapplicationfatal conditionalrubyshellout cookbookusesnodesave dnfpackageallowdowngrades emptyresourceguard incorrectlibraryinjection invalidcookbookname invaliddefaultaction invalidnotificationresource invalidnotificationtiming invalidplatformfamilyhelper invalidplatformfamilyincase invalidplatformhelper invalidplatformincase invalidplatformmetadata invalidplatformvalueforplatformfamilyhelper invalidplatformvalueforplatformhelper invalidversionmetadata lazyevalnodeattributedefaults lazyinresourceguard macosuserdefaultsinvalidtype malformedplatformvalueforplatformhelper metadatamalformeddepends metadatamissingname metadatamissingversion nodenormal nodenormalunless notifiesactionnotsymbol octalmodeasstring opensslpasswordhelpers powershellfileexists powershellscriptdeletefile propertywithouttype resourcesetsinternalproperties resourcesetsnameproperty resourcewithnoneaction scopedfileexist serviceresource supportsmustbefloat tmppath chef deprecations chefdkgenerators cheffile chefhandlerrecipe chefhandlerusessupports chefrewind chefshellout chefspeccoveragereport chefspeclegacyrunner chefsugarhelpers chefwindowsplatformhelper chocolateypackageuninstallaction cookbookdependsoncompatresource cookbookdependsonpartialsearch cookbookdependsonpoise cookbooksdependsonself delivery dependsonchefnginxcookbook dependsonchefreportingcookbook dependsonomnibusupdatercookbook deprecatedchefspecplatform deprecatedplatformmethods deprecatedshelloutmethods deprecatedsudoactions deprecatedwindowsversioncheck deprecatedyumrepositoryactions deprecatedyumrepositoryproperties easyinstallresource eolauditmodeusage epicfail erlcallresource executepathproperty executerelativecreateswithoutcwd foodcriticfile foodcritictesting hwrpwithoutprovides hwrpwithoutunifiedtrue includingxmlrubyrecipe includingyumdnfcompatrecipe launchddeprecatedhashproperty legacynotifysyntax legacyyumcookbookrecipes librarianchefspec localedeprecatedlcallproperty logresourcenotifications macosuserdefaultsglobalproperty namepropertywithdefaultvalue nodedeepfetch nodemethodsinsteadofattributes nodeset nodesetunless nodesetwithoutlevel partialsearchclassusage partialsearchhelperusage poisearchiveusage policyfilecommunitysource powershellcookbookhelpers requirerecipe resourceinheritsfromcompatresource resourceoverridesprovidesmethod resourceusesdslnamemethod resourceusesonlyresourcename resourceusesproviderbasemethod resourceusesupdatedmethod resourcewithoutunifiedtrue ruby27keywordargumentwarnings rubyblockcreateaction searchusespositionalparameters useautomaticresourcename useinlineresourcesdefined userdeprecatedsupportsproperty useschefresthelpers usesdeprecatedmixins usesruncommandhelper useyamldump verifypropertyusesfileexpansion windowsfeatureservermanagercmd windowspackageinstallertypestring windowstaskchangeaction windowsversionhelpers chef effortless berksfile chefvaultused cookbookusesdatabags cookbookusesenvironments cookbookusespolicygroups cookbookusesroles cookbookusessearch dependschefvault searchforenvironmentsorroles chef modernize actionmethodinresource allowedactionsfrominitialize chefgemnokogiri classevalactionclass conditionalusingtest crondfileortemplate cronmanageresource customresourcewithattributes databaghelpers declareactionclass defaultactionfrominitialize defineschefspecmatchers definitions dependsonchefvaultcookbook dependsonchocolateycookbooks dependsonkernelmodulecookbook dependsonlocalecookbook dependsonopensslcookbook dependsontimezonelwrpcookbook dependsonwindowsfirewallcookbook dependsonzyppercookbook dslincludeinresource emptyresourceinitializemethod executeaptupdate executescexe executesleep executesysctl executetzutil foodcriticcomments ifprovidesdefaultaction includingaptdefaultrecipe includingmixinshelloutinresources includingohaidefaultrecipe includingwindowsdefaultrecipe legacyberksfilesource libarchivefileresource macosxuserdefaults minitesthandlerusage nodeinitpackage noderolesinclude opensslrsakeyresource opensslx509resource osxconfigprofileresource powershellguardinterpreter powershellinstallpackage powershellinstallwindowsfeature powershellscriptexpandarchive propertywithnameattribute providesfrominitialize resourceforcingcompiletime resourcenamefrominitialize respondtocompiletime respondtoinmetadata respondtoprovides respondtoresourcename setorreturninresources sevenziparchiveresource shellouthelper shellouttochocolatey simplifyaptppasetup sysctlparamresource unnecessarydependschef14 unnecessarydependschef15 unnecessarymixlibshelloutrequire usebuildessentialresource usecheflanguagecloudhelpers usecheflanguageenvhelpers usecheflanguagesystemdhelper usemultipackageinstalls userequirerelative useszypperrepo whyrunsupportedtrue windowsregistryuac windowsscresource windowszipfileusage zipfileresource chef redundantcode aptrepositorydistributiondefault aptrepositorynotifiesaptupdate attributemetadata conflictsmetadata customresourcewithallowedactions doublecompiletime groupingmetadata longdescriptionmetadata multipleplatformchecks namepropertyisrequired ohaiattributetostring propertysplatregex propertywithrequiredanddefault providesmetadata recipemetadata replacesmetadata resourcewithnothingaction sensitivepropertyinresource stringpropertywithnildefault suggestsmetadata unnecessarydesiredstate unnecessarynameproperty usecreateifmissing chef ruby gemspeclicense gemspecrequirerubygems legacypowershelloutmethods requirenethttps unlessdefinedrequire chef security sshprivatekey chef sharing defaultmetadatamaintainer emptymetadatafield includepropertydescriptions includeresourcedescriptions includeresourceexamples insecurecookbookurl invalidlicensestring chef style attributekeys chefwhaaat commentformat commentsentencespacing copyrightcommentformat defaultcopyrightcomments filemode immediatenotificationtiming includerecipewithparentheses negatingonlyif overlycomplexsupportsdependsmetadata simplifyplatformmajorversioncheck trueclassfalseclassresourceproperties unnecessaryoscheck unnecessaryplatformcasestatement useplatformhelpers inspec deprecations attributedefault attributehelper effortless pattern effortless overview quick start effortless audit effortless config variables and config what is scaffolding supermarket about supermarket share cookbooks private supermarket about private supermarket install configure backup and restore monitor log files upgrades reference supermarket ctl supermarket api release notes chef 360 platform chef automate chef backend chef download apis chef habitat chef infra client chef infra server chef inspec chef local license service chef manage chef migrate chef supermarket chef workstation chef compliance chef compliance audit profiles chef compliance remediation chef cloud resource packs aws cloud resources azure cloud resources legacy chef manage about the management console uninstall manage rb chef manage ctl active directory ldap configure saml clients cookbooks data bags environments nodes roles organizations groups users uninstall available on github downloads send feedback support high availability chef backend table of contents warning chef backend is deprecated and no longer under active development contact your chef account representative for information about migrating to chef automate ha this document is no longer maintained this topic introduces the underlying concepts behind the architecture of the high availability chef infra server cluster the topic then describes the setup and installation process for a high availability chef infra server cluster comprised of five total nodes two frontend and three backend overview the chef infra server can operate in a high availability configuration that provides automated load balancing and failover for stateful components in the system architecture this type of configuration typically splits the servers into two segments the backend cluster and the frontend group the frontend group comprised of one or more nodes running the chef infra server nodes in the frontend group handle requests to the chef infra server api and access to the chef management console frontend group nodes should be load balanced and may be scaled horizontally by increasing the number of nodes available to handle requests the backend cluster comprised of three nodes working together provides high availability data persistence for the frontend group note at this time backend clusters can only have three nodes important when doing cloud deployments chef ha clusters are not meant to be geographically dispersed across multiple regions or datacenters however in cloud providers such as aws you can deploy ha clusters across multiple availability zones within the same region key differences from standalone chef infra server new in chef infra server 14 starting with chef infra server 14 standalone instances use elasticsearch for internal search elasticsearch provides more flexible clustering options while maintaining search api compatibility with apache solr recommended cluster topology nodes the ha backend installation requires three cluster nodes chef has not tested and does not support installations with other numbers of backend cluster nodes one or more frontend group nodes hardware requirements the following are a list of general hardware requirements for both frontend and backend servers the important guideline you should follow are that frontend servers tend to be more cpu bound and backend servers are more disk and memory bound also disk space for backend servers should scale up with the number of nodes that the servers are managing a good rule to follow is to allocate 2 mb per node the disk values listed below should be a good default value that you will want to modify later if when your node count grows 64 bit architecture frontend requirements 4 cores physical or virtual 4gb ram 20 gb of free disk space ssd if on premises premium storage in microsoft azure ebs optimized gp2 in aws backend requirements 2 cores physical or virtual 8gb ram 50 gb backend server ssd if on premises premium storage in microsoft azure ebs optimized gp2 in aws warning the chef infra server must not use a network file system of any type virtual or physical for backend storage the chef infra server database operates quickly the behavior of operations such as the writing of log files will be unpredictable when run over a network file system network services a load balancer between the rest of the network and the frontend group not provided because management console session data is stored on each node in the frontend group individually the load balancer should be configured with sticky sessions network port requirements inbound from load balancer to frontend group tcp 80 http tcp 443 https inbound from frontend group to backend cluster tcp 2379 etcd tcp 5432 postgresql tcp 7331 leaderl tcp 9200 9300 elasticsearch peer communication backend cluster 2379 etcd 2380 etcd 5432 postgresql 9200 9400 elasticsearch installation these instructions assume you are using the minimum versions chef server 12 5 0 chef backend 0 8 0 download chef infra server and chef backend from chef downloads if you do not have them already before creating the backend ha cluster and building at least one chef infra server to be part of the frontend group verify the user who will install and build the backend ha cluster and frontend group has root access to all nodes the number of backend and frontend nodes that are desired it is required to have three backend nodes but the number of frontend nodes may vary from a single node to a load balanced tiered configuration ssh access to all boxes that will belong to the backend ha cluster from the node that will be the initial bootstrap a time synchronization policy is in place such as network time protocol ntp drift of less than 1 5 seconds must exist across all nodes in the backend ha cluster step 1 create clus...
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