hello, i want to configure pxe boot with cfengine3 .please tell me how to configure cf-agent and promises and any other configurations i have to make. thanks in advance
On Wed, Dec 29, 2010 at 4:30 PM, <help-cfengine-requ...@cfengine.org> wrote: > Send Help-cfengine mailing list submissions to > help-cfengine@cfengine.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://cfengine.org/mailman/listinfo/help-cfengine > or, via email, send a message with subject or body 'help' to > help-cfengine-requ...@cfengine.org > > You can reach the person managing the list at > help-cfengine-ow...@cfengine.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Help-cfengine digest..." > > > Today's Topics: > > 1. Cfengine Help: Inherit shell variables in "commands:" > (no-re...@cfengine.com) > 2. Re: Cfengine Help: Inherit shell variables in "commands:" > (Daniel V. Klein) > 3. Cfengine Help: Re: Inherit shell variables in "commands:" > (no-re...@cfengine.com) > 4. Cfengine Help: Re: Cfengine Help: Inherit shell variables in > "commands:" (no-re...@cfengine.com) > 5. Cfengine Help: Re: Cfengine Help: How to configure a client > machine to contact the policy server and downloads updates? > (no-re...@cfengine.com) > 6. Cfengine Help: how do you restart a process only after .conf > update? (no-re...@cfengine.com) > 7. Cfengine Help: Re: Cfengine Help: How to configure a client > machine to contact the policy server and downloads updates? > (no-re...@cfengine.com) > 8. Cfengine Help: Re: how do you restart a process only after > .conf update? (no-re...@cfengine.com) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 28 Dec 2010 16:05:47 +0100 (CET) > From: no-re...@cfengine.com > Subject: Cfengine Help: Inherit shell variables in "commands:" > To: help-cfengine@cfengine.org > Message-ID: > <ca14314b7ce882db5f8f5983b245a635.cfengineh...@cfengine.com> > Content-Type: text/plain; charset=UTF-8 > > Forum: Cfengine Help > Subject: Inherit shell variables in "commands:" > Author: berntjernberg > Link to topic: https://cfengine.com/forum/read.php?3,19964,19964#msg-19964 > > Hi all, > > I need to assign 10 variables in shell before I run a script. How can I > inherit shell variables in a commands-section? > I have tried to create a file, containing exports of variables, run it > followed by a commands section on the same line > but it didn't work: > > Like this: > > commands: > "/tmp/filewithvars && $(script)"; > > Any ideas? > > Regards > /Bernt Jernberg > > > > ------------------------------ > > Message: 2 > Date: Tue, 28 Dec 2010 10:16:56 -0500 > From: "Daniel V. Klein" <d...@lonewolf.com> > Subject: Re: Cfengine Help: Inherit shell variables in "commands:" > To: no-re...@cfengine.com > Cc: help-cfengine@cfengine.org > Message-ID: <e624f229-795d-45a5-8d52-972fcdb29...@lonewolf.com> > Content-Type: text/plain; charset=us-ascii > > You want a commands promise that is a "module". See > http://www.cfengine.org/manuals/cf3-reference.html#module-in-commands. > You can't exactly inherit shell variables, but this is pretty close to what > you said you need, and probably what you really want. > > -Dan > On Dec 28, 2010, at 10:05 AM, no-re...@cfengine.com wrote: > > > Forum: Cfengine Help > > Subject: Inherit shell variables in "commands:" > > Author: berntjernberg > > Link to topic: > https://cfengine.com/forum/read.php?3,19964,19964#msg-19964 > > > > Hi all, > > > > I need to assign 10 variables in shell before I run a script. How can I > inherit shell variables in a commands-section? > > I have tried to create a file, containing exports of variables, run it > followed by a commands section on the same line > > but it didn't work: > > > > Like this: > > > > commands: > > "/tmp/filewithvars && $(script)"; > > > > Any ideas? > > > > Regards > > /Bernt Jernberg > > > > _______________________________________________ > > Help-cfengine mailing list > > Help-cfengine@cfengine.org > > https://cfengine.org/mailman/listinfo/help-cfengine > > > > ------------------------------ > > Message: 3 > Date: Tue, 28 Dec 2010 16:21:18 +0100 (CET) > From: no-re...@cfengine.com > Subject: Cfengine Help: Re: Inherit shell variables in "commands:" > To: help-cfengine@cfengine.org > Message-ID: > <d59d3d5ae2eca57829678dd7c320319f.cfengineh...@cfengine.com> > Content-Type: text/plain; charset=UTF-8 > > Forum: Cfengine Help > Subject: Re: Inherit shell variables in "commands:" > Author: berntjernberg > Link to topic: https://cfengine.com/forum/read.php?3,19964,19965#msg-19965 > > I found information about "environment" but I want the variables to be > local to the current bundle. > > Regards > /Bernt Jernberg > > > > ------------------------------ > > Message: 4 > Date: Tue, 28 Dec 2010 18:34:00 +0100 (CET) > From: no-re...@cfengine.com > Subject: Cfengine Help: Re: Cfengine Help: Inherit shell variables in > "commands:" > To: help-cfengine@cfengine.org > Message-ID: > <605150e50ed2a03ad6cb164f6f6a1e85.cfengineh...@cfengine.com> > Content-Type: text/plain; charset=UTF-8 > > Forum: Cfengine Help > Subject: Re: Cfengine Help: Inherit shell variables in "commands:" > Author: berntjernberg > Link to topic: https://cfengine.com/forum/read.php?3,19966,19967#msg-19967 > > Hi, > > As I understand it the variables are "imported" to cfengine with module but > I need the variables to stay in shell context. > Great info though. :-) > > I came up with this code: > > > > bundle agent remove_file(file) > { > files: > # Delete file. > "$(file)" > delete => tidy, > file_select => plain; > } > > bundle agent run_vip_script > { > vars: > "wrapper_content" string => > "#!/usr/bin/bash > export VAR1=val1 > export VAR2=val2 > export VAR3=val3 > export VAR4=val4 > export VAR5=val5 > export VAR6=val6 > export VAR7=val7 > export VAR8=val8 > export VAR9=val9 > export VAR10=val10 > > /path/to/external_script arg"; > > > files: > !wrapper_created:: > "/tmp/wrapper" > perms => mog(0700,root,root), > create => "true", > edit_defaults => std_defs, > edit_line => create_file("$(wrapper_content)"), > classes => if_repaired("wrapper_created"); > > commands: > wrapper_created:: > "/tmp/wrapper" > classes => if_repaired("wrapper_has_run"); > > methods: > wrapper_has_run:: > "remove_wrapper" usebundle => remove_file("/tmp/wrapper"); > } > > > > > > ------------------------------ > > Message: 5 > Date: Tue, 28 Dec 2010 21:04:14 +0100 (CET) > From: no-re...@cfengine.com > Subject: Cfengine Help: Re: Cfengine Help: How to configure a client > machine to contact the policy server and downloads updates? > To: help-cfengine@cfengine.org > Message-ID: > <bb33ea8865bf533112669431de453d2e.cfengineh...@cfengine.com> > Content-Type: text/plain; charset=UTF-8 > > Forum: Cfengine Help > Subject: Re: Cfengine Help: How to configure a client machine to contact > the policy server and downloads updates? > Author: David Brazzeal > Link to topic: https://cfengine.com/forum/read.php?3,19909,19968#msg-19968 > > Thanks for your responses! > On my test policy server, I edited the /var/cfengine/masterfiles/ > promises.cf and added my client?s IP: > allowconnects => { "127.0.0.1" , "::1", "172.18.160.102" }; > allowallconnects => { "127.0.0.1" , "::1", "172.18.160.102" }; > trustkeysfrom => { "127.0.0.1" , "::1", "172.18.160.102" }; > > I then ran cf-agent to get the promises file copied from the masterfiles > dir to the input dir on the policy server. > > Now it looks like my key authentication is working. I can tell because I > see this in my agent log after I run this: cf-agent -v -B -s dbraz17 > Strong authentication of server=dbraz17.aafes.com connection confirmed > cf3 -> Public key identity of host "172.18.161.2" is > "MD5=b95774952d4a8a76b4f43196850afae8" > cf3 -> Last saw 172.18.161.2 (+MD5=b95774952d4a8a76b4f43196850afae8) first > time now > cf3 -> Going to secondary storage for key > > But I?m still seeing this error on my agent: > cf3 Server returned error: Unspecified server refusal (see verbose server > output) > cf3 Can't stat /var/cfengine/masterfiles in files.copyfrom promise > > In following this: > http://www.cfengine.org/manuals/cf3-tutorial.html#Server-connection > It says this: > > ?Permission to access something > Your host name or IP address must be mentioned in an access promise inside > a server bundle, made by the file that you are trying to access.? > > Do you have any examples of how that?s done? (What does the access promise > look like in what file(s) on the policy server?) Should I configure the > server to give clients access to all files under /var/cfengine/masterfiles? > Am I supposed to expect all files from my policy server?s > /var/cfengine/masterfiles folder to get copied to my agent?s > /var/cfengine/input folder? > Thanks! > > > > ------------------------------ > > Message: 6 > Date: Tue, 28 Dec 2010 23:13:49 +0100 (CET) > From: no-re...@cfengine.com > Subject: Cfengine Help: how do you restart a process only after .conf > update? > To: help-cfengine@cfengine.org > Message-ID: > <de9207cb5771b0df5bd195bdd89345e9.cfengineh...@cfengine.com> > Content-Type: text/plain; charset=UTF-8 > > Forum: Cfengine Help > Subject: how do you restart a process only after .conf update? > Author: Sal > Link to topic: https://cfengine.com/forum/read.php?3,19969,19969#msg-19969 > > We manage changes to several .conf files via cfengine and want to restart > the daemon only after each new .conf file is pushed but my current logic > seems to restart the daemon each time cfengine runs. > > My syntax within the bundle is: > > files: > > any.!ntp_servers:: > "$(ntp_conf_dest)" > perms => system("644"), > copy_from => > mycopy("$(master_etc)/ntp/$(ntp_conf_source)","$(p_server)"), > action => immediate; > > processes: > > "$(ntp_conf_dest)" restart_class => "start_ntpd"; > > commands: > > start_ntpd:: > > "/etc/init.d/ntpd restart"; > > Since cf-execd is set to run every 20 minutes, ntpd gets restarted every 20 > minutes. What am I missing? It looks like the logic is now that if the file > $(ntp_conf_dest) exists then restart ntpd. I was hoping this method would > only run when the file was transferred. Should I not be using restart_class? > Should I instead use some logic that checks for a change in the .conf file > and that triggers the restart? > > > > ------------------------------ > > Message: 7 > Date: Tue, 28 Dec 2010 23:34:12 +0100 (CET) > From: no-re...@cfengine.com > Subject: Cfengine Help: Re: Cfengine Help: How to configure a client > machine to contact the policy server and downloads updates? > To: help-cfengine@cfengine.org > Message-ID: > <dcecd9e0f662523ddf2d00e49eb6a7ad.cfengineh...@cfengine.com> > Content-Type: text/plain; charset=UTF-8 > > Forum: Cfengine Help > Subject: Re: Cfengine Help: How to configure a client machine to contact > the policy server and downloads updates? > Author: David Brazzeal > Link to topic: https://cfengine.com/forum/read.php?3,19909,19970#msg-19970 > > Never mind. I edited this below section in the site.cf on the policy > server to allow access to /var/cfengine/masterfiles and then when I ran > "cf-agent -v -B -s " on my agent, all of the files from the > /var/cfengine/masterfiles on my policy server got copied to the > /var/cfengine/input folder on my client (overwriting my failsafe.cf) :) > > bundle server access_rules() > { > access: > > "/var/cfengine/masterfiles" > > admit => { "127.0.0.1", "172.18.160.102" }; > > } > > > > ------------------------------ > > Message: 8 > Date: Wed, 29 Dec 2010 00:55:52 +0100 (CET) > From: no-re...@cfengine.com > Subject: Cfengine Help: Re: how do you restart a process only after > .conf update? > To: help-cfengine@cfengine.org > Message-ID: > <115a4c00b46e1a56d945ab639a322845.cfengineh...@cfengine.com> > Content-Type: text/plain; charset=UTF-8 > > Forum: Cfengine Help > Subject: Re: how do you restart a process only after .conf update? > Author: Sal > Link to topic: https://cfengine.com/forum/read.php?3,19969,19971#msg-19971 > > I think I've come up with my own solution. At least the ntpd process is no > longer auto restarting every 20 minutes. I still need to change ntp.conf to > test but here is the new syntax: > > files: > > any.!ntp_servers:: > "$(ntp_conf_dest)" > perms => system("644"), > copy_from => > mycopy("$(master_etc)/ntp/$(ntp_conf_source)","$(p_server)"), > classes => satisfied("ntpd_ready"); > > commands: > > ntpd_ready:: > > "/etc/init.d/ntpd restart"; > > The examples show this is the way to do this. > > > > ------------------------------ > > _______________________________________________ > Help-cfengine mailing list > Help-cfengine@cfengine.org > https://cfengine.org/mailman/listinfo/help-cfengine > > > End of Help-cfengine Digest, Vol 58, Issue 67 > ********************************************* >
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