forked from ungleich-public/cdist
Merge remote branch 'nico/master'
This commit is contained in:
commit
d21c52be1c
9 changed files with 149 additions and 19 deletions
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@ -355,15 +355,17 @@ __cdist_tmp_removal()
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rm -rf "${__cdist_tmp_dir}"
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}
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__cdist_exit_on_kill()
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# Does not work in children, will be called again in every script!
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# Use only in interactive "front end" scripts
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__cdist_kill_on_interrupt()
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{
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# FIXME: before 1.8.0 -> kill all children, but do not segfault
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# kill 0
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__cdist_tmp_removal
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kill 0
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exit 1
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}
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# Remove tempfiles at normal exit
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trap __cdist_tmp_removal EXIT
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trap __cdist_exit_on_kill INT TERM
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################################################################################
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@ -25,6 +25,9 @@
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[ $# -eq 1 ] || __cdist_usage "<target host>"
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set -eu
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# Kill children on interrupt - only in interactive scripts
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trap __cdist_kill_on_interrupt INT TERM
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__cdist_target_host="$1"
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# Make target host available for non-core
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@ -25,18 +25,8 @@
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[ $# -ge 1 ] || __cdist_usage "[-p] <target host> [target host ]"
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set -u
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# trap __cdist_tmp_removal EXIT
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trap killandclean EXIT
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killandclean()
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{
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__cdist_echo info "Existing and killing children..."
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kill 0
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# Ensure tmp stuff is being removed
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__cdist_cleanly_exit
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}
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# Kill children on interrupt - only in interactive scripts
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trap __cdist_kill_on_interrupt INT TERM
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filter()
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{
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112
doc/dev/logs/2011-06-13.installation-via-cdist
Normal file
112
doc/dev/logs/2011-06-13.installation-via-cdist
Normal file
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@ -0,0 +1,112 @@
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Provisioning Server ideas
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- bootup kernel on target host via TFTP/PXE
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- start our code that
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- enables networking (dhcp)
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- enables sshd
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Requires:
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- Program that creates our blob that needs to be started
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- for Linux: initrd
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- Including ssh keys -> known!
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- startup sshd
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--------------------------------------------------------------------------------
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Setup for installation server:
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- have dhcpd available
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- install tftpd server
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- configure dhcp to tell clients to boot from tftp server
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- have a kernel
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--------------------------------------------------------------------------------
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Ideas on how to create "blob"
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- Use tools from system?
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-> requires same arch on destination!
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- Use debian|...| base?
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-> works with cuni!
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--------------------------------------------------------------------------------
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tftp via cuni:
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debian pxelinux.0 pxelinux.cfg
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[19:44] kr:tftp% ln -s /usr/lib/syslinux/
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--------------------------------------------------------------------------------
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How to create the initrd?
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Base from ...
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arch?
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debian?
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- needs many hardware support / in kernel?
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- fit to kernel?
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--------------------------------------------------------------------------------
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Based on Debian
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[21:33] kr:tftp% sudo debootstrap --arch=i386 squeeze debian-squeeze
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sudo chroot debian-squeeze /bin/bash
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apt-get install openssh-server
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--------------------------------------------------------------------------------
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Based on Archlinux
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Edit / create pacman.conf
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Server = ftp://mirrors.kernel.org/archlinux/$repo/os/i686
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[21:40] kr:~% grep -v ^# pacman.conf | grep -v '^$'
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[options]
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HoldPkg = pacman glibc
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SyncFirst = pacman
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Architecture = auto
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[core]
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Include = Server = ftp://mirrors.kernel.org/archlinux/$repo/os/i686
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[extra]
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Include = Server = ftp://mirrors.kernel.org/archlinux/$repo/os/i686
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[community]
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Include = Server = ftp://mirrors.kernel.org/archlinux/$repo/os/i686
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[archlinuxfr]
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Server = http://repo.archlinux.fr/$arch
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[21:40] kr:tftp% sudo mkarchroot -C ~/pacman.conf archlinuxroot
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[21:42] kr:tftp% sudo mkarchroot -C ~/pacman.conf archlinuxroot base
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--------------------------------------------------------------------------------
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Initramfs general:
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- need /init
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Test in Debian:
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root@kr:/# ln -s /sbin/init init
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Create initramfs:
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[22:47] kr:debian-squeeze% sudo find . -print0 | sudo cpio --null -ov --format=newc | gzip -9 > ../pre-os/initrd.gz
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--------------------------------------------------------------------------------
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Gentoo: http://en.gentoo-wiki.com/wiki/Initramfs
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It is possible to specify multiple initramfs to be extracted during boot. This can be useful if you want to create a generic initramfs (for example one that does mdadm) and then add modifications in separate files (for example a custom /etc/mdadm.conf for every machine).
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http://syslinux.zytor.com/wiki/index.php/SYSLINUX#INITRD_initrd_file
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It supports multiple filenames separated by commas. This is mostly useful for initramfs, which can be composed of multiple separate cpio or cpio.gz archives. Note: all files except the last one are zero-padded to a 4K page boundary. This should not affect initramfs.
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--------------------------------------------------------------------------------
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Multiple initrds, #1:
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LABEL preos
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MENU LABEL Pre OS (Debian Squeeze)
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KERNEL debian-squeeze/boot/vmlinuz-2.6.32-5-686
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INITRD debian-squeeze/boot/initrd.img-2.6.32-5-686,pre-os/initrd.gz
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--------------------------------------------------------------------------------
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Debug in rootfs:
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root@kr:/# passwd
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Enter new UNIX password:
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Retype new UNIX password:
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passwd: password updated successfully
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test
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--------------------------------------------------------------------------------
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Multiple nics in Debian...
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19
doc/dev/logs/2011-06-14.library_for_user
Normal file
19
doc/dev/logs/2011-06-14.library_for_user
Normal file
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@ -0,0 +1,19 @@
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How to make library functions available to manifest, explorer, etc.
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Some ideas / background:
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- do not have the user to source $__lib/foo if not needed
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- have $__cdist_lib for internal stuff (probably referring to core/)
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Implementation:
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load_lib()
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{
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. $__cdist_lib/*
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}
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run_code_from_user()
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{
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load_lib
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. file_from_user
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}
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@ -37,6 +37,9 @@ CORE
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-> add function to cdist-config, import from cdist-cache
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- check all all internal variables are prefixed with __cdist
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- Define / document "this is what should be on host X"
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and have it parsable by different (shinken) tool
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-> given after manifest run already!
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TYPES
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------
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@ -54,6 +54,7 @@ everybody using cdist, you're welcome to propose inclusion into upstream.
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There are though some requirements to ensure your changes don't break others
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work nor kill the authors brain:
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- All files should contain the usual header (Author, Copying, etc.)
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- Code submission must be done via git
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- Do not add conf/manifest/init - This file should only be touched in your
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private branch!
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@ -183,12 +183,12 @@ level tools like ruby installed. If a type requires specific tools to be present
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on the target, there must be another type that provides this tool and the first
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type should create an object of the specific type.
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If your type wants to save temporay data, that may be used by other types
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If your type wants to save temporary data, that may be used by other types
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later on (for instance __file), you can save them in the subdirectory
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"files" below $__object (but you must create it yourself). cdist will not touch
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this directory.
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If your type contains static files, it's also recommened to place them in
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If your type contains static files, it's also recommended to place them in
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a folder named "files" within the type (again, because cdist guarantees to
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never ever touch this folder).
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@ -34,7 +34,7 @@ pull mechanism (client requests configuration).
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SEE ALSO
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--------
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- Website: http://www.nico.schottelius.org/cdist/[]
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- Website: http://www.nico.schottelius.org/software/cdist/[]
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- cdist-best-practise(7)
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- cdist-deploy-to(1)
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- cdist-hacker(7)
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