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| -rw-r--r-- | LICENSE | 661 | ||||
| -rw-r--r-- | README | 5 | ||||
| -rw-r--r-- | files/etc/crypttab | 4 | ||||
| -rw-r--r-- | files/etc/fstab | 3 | ||||
| -rw-r--r-- | files/etc/initramfs-tools/modules | 15 | ||||
| -rw-r--r-- | files/etc/modprobe.d/blacklist | 78 | ||||
| -rw-r--r-- | files/etc/rc.local | 22 | ||||
| -rw-r--r-- | files/etc/sudoers | 21 | ||||
| -rw-r--r-- | manifests/firewall.pp | 214 | ||||
| -rw-r--r-- | manifests/firewire.pp | 17 | ||||
| -rw-r--r-- | manifests/init.pp | 301 | ||||
| -rw-r--r-- | manifests/initramfs.pp | 25 | ||||
| -rw-r--r-- | manifests/lsb.pp | 4 | ||||
| -rw-r--r-- | manifests/motd.pp | 17 | ||||
| -rw-r--r-- | manifests/sudo.pp | 14 | ||||
| -rw-r--r-- | manifests/sysctl.pp | 16 |
16 files changed, 1417 insertions, 0 deletions
@@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. By contrast, +our General Public Licenses are intended to guarantee your freedom to +share and change all versions of a program--to make sure it remains free +software for all its users. + + When we speak of free software, we are referring to freedom, not +price. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +<http://www.gnu.org/licenses/>. @@ -0,0 +1,5 @@ +Puppet Nodo Module +================== + +This is a very specific puppet module that defines custom node configurations, +be they servers or vservers. diff --git a/files/etc/crypttab b/files/etc/crypttab new file mode 100644 index 0000000..35f0521 --- /dev/null +++ b/files/etc/crypttab @@ -0,0 +1,4 @@ +# <target name> <source device> <key file> <options> +root /dev/mapper/vg-root none luks,cipher=aes-cbc-essiv:sha256 +cswap /dev/sda1 /dev/random swap,cipher=aes-cbc-essiv:sha256 +vservers /dev/mapper/vg-vservers none luks,cipher=aes-cbc-essiv:sha256 diff --git a/files/etc/fstab b/files/etc/fstab new file mode 100644 index 0000000..0878617 --- /dev/null +++ b/files/etc/fstab @@ -0,0 +1,3 @@ +/dev/mapper/cswap none swap sw 0 0 +/dev/mapper/root / ext3 defaults,errors=remount-ro 0 1 +/dev/mapper/vservers /var/vservers ext3 defaults,errors=remount-ro 0 0 diff --git a/files/etc/initramfs-tools/modules b/files/etc/initramfs-tools/modules new file mode 100644 index 0000000..265b8fd --- /dev/null +++ b/files/etc/initramfs-tools/modules @@ -0,0 +1,15 @@ +# List of modules that you want to include in your initramfs. +# +# Syntax: module_name [args ...] +# +# You must run update-initramfs(8) to effect this change. +# +# Examples: +# +# raid1 +# sd_mod +dm-mod +dm-crypt +aes +twofish +sha256 diff --git a/files/etc/modprobe.d/blacklist b/files/etc/modprobe.d/blacklist new file mode 100644 index 0000000..1505e86 --- /dev/null +++ b/files/etc/modprobe.d/blacklist @@ -0,0 +1,78 @@ +# This file lists modules which will not be loaded as the result of +# alias expansion, with the purpose of preventing the hotplug subsystem +# to load them. It does not affect autoloading of modules by the kernel. +# This file is provided by the udev package. + +# evbug is a debug tool and should be loaded explicitly +blacklist evbug + +# these drivers are very simple, the HID drivers are usually preferred +blacklist usbmouse +blacklist usbkbd + +# replaced by e100 +blacklist eepro100 + +# replaced by tulip +blacklist de4x5 + +# replaced by tmscsim +blacklist am53c974 + +# watchdog drivers should be loaded only if a watchdog daemon is installed +blacklist acquirewdt +blacklist advantechwdt +blacklist alim1535_wdt +blacklist alim7101_wdt +blacklist booke_wdt +blacklist cpu5wdt +blacklist eurotechwdt +blacklist hpwdt +blacklist i6300esb +blacklist i8xx_tco +blacklist ib700wdt +blacklist ibmasr +blacklist indydog +blacklist ixp2000_wdt +blacklist ixp4xx_wdt +blacklist it8712f_wdt +blacklist iTCO_wdt +blacklist machzwd +blacklist mixcomwd +blacklist mpc8xx_wdt +blacklist mpcore_wdt +blacklist mv64x60_wdt +blacklist pc87413_wdt +blacklist pcwd +blacklist pcwd_pci +blacklist pcwd_usb +blacklist s3c2410_wdt +blacklist sa1100_wdt +blacklist sbc60xxwdt +blacklist sbc7240_wdt +blacklist sbc8360 +blacklist sbc_epx_c3 +blacklist sc1200wdt +blacklist sc520_wdt +blacklist scx200_wdt +blacklist shwdt +blacklist smsc37b787_wdt +blacklist softdog +blacklist w83627hf_wdt +blacklist w83697hf_wdt +blacklist w83877f_wdt +blacklist w83977f_wdt +blacklist wafer5823wdt +blacklist wdt285 +blacklist wdt977 +blacklist wdt +blacklist wdt_pci + +# Physical memory attacks via Firewire/DMA Mitigation +# Prevent automatic loading of the ohci1394 module. +# See http://padrao.sarava.org/trac/wiki/Debian/Firewire +blacklist ohci1394 +# Prevent manual loading of the ohci1394 module. +install ohci1394 false +# Iff we should ever load the ohci1394 module, force the use of the 'phys_dma=0' option. +options ohci1394 phys_dma=0 diff --git a/files/etc/rc.local b/files/etc/rc.local new file mode 100644 index 0000000..393c83e --- /dev/null +++ b/files/etc/rc.local @@ -0,0 +1,22 @@ +#!/bin/sh -e +# +# rc.local +# +# This script is executed at the end of each multiuser runlevel. +# Make sure that the script will "exit 0" on success or any other +# value on error. +# +# In order to enable or disable this script just change the execution +# bits. +# +# By default this script does nothing. + +# Force the hostname +/bin/hostname `cat /etc/hostname` + +# Then restart puppet with the right hostname +/etc/init.d/puppet stop +/etc/init.d/puppet start + +# Then exit +exit 0 diff --git a/files/etc/sudoers b/files/etc/sudoers new file mode 100644 index 0000000..1026c16 --- /dev/null +++ b/files/etc/sudoers @@ -0,0 +1,21 @@ +# /etc/sudoers +# +# This file MUST be edited with the 'visudo' command as root. +# +# See the man page for details on how to write a sudoers file. +# + +Defaults env_reset + +# Host alias specification + +# User alias specification + +# Cmnd alias specification + +# User privilege specification + +# Uncomment to allow members of group sudo to not need a password +# (Note that later entries override this, so you might need to move +# it further down) +%sudo ALL=NOPASSWD: ALL diff --git a/manifests/firewall.pp b/manifests/firewall.pp new file mode 100644 index 0000000..9083384 --- /dev/null +++ b/manifests/firewall.pp @@ -0,0 +1,214 @@ +# firewall definitions for physical servers +class firewall { + include shorewall + + $rfc1918 = $shorewall_dmz ? { + true => true, + false => false, + default => false, + } + + # + # Interfaces + # + shorewall::interface { 'eth0': + zone => '-', + rfc1918 => $rfc1918, + } + + # + # Policy + # + shorewall::policy { 'vm-net': + sourcezone => 'vm', + destinationzone => 'net', + policy => 'ACCEPT', + order => '1', + } + + shorewall::policy { 'fw-net': + sourcezone => '$FW', + destinationzone => 'net', + policy => 'ACCEPT', + order => '2', + } + + shorewall::policy { 'fw-vm': + sourcezone => '$FW', + destinationzone => 'vm', + policy => 'ACCEPT', + order => '3', + } + + shorewall::policy { 'net-all': + sourcezone => 'net', + destinationzone => 'all', + policy => 'DROP', + order => '4', + } + + shorewall::policy { 'all-all': + sourcezone => 'all', + destinationzone => 'all', + policy => 'REJECT', + order => '5', + } + + # + # Hosts + # + shorewall::host { "eth0-subnet": + name => 'eth0:192.168.0.0/24', + zone => 'vm', + options => '', + order => '1', + } + + shorewall::host { "eth0": + name => 'eth0:0.0.0.0/0', + zone => 'net', + options => '', + order => '2', + } + + shorewall::masq { "eth0": + interface => 'eth0:!192.168.0.0/24', + source => '192.168.0.0/24', + order => '1', + } + + # + # Rules + # + shorewall::rule { 'ssh': + action => 'SSH/ACCEPT', + source => 'net', + destination => '$FW', + proto => '-', + destinationport => '-', + ratelimit => '-', + order => '100', + } + + shorewall::rule { 'ping': + action => 'Ping/ACCEPT', + source => 'net', + destination => '$FW', + proto => '-', + destinationport => '-', + ratelimit => '-', + order => '101', + } + + shorewall::rule { 'http': + action => 'HTTP/ACCEPT', + source => 'net', + destination => '$FW', + proto => '-', + destinationport => '-', + ratelimit => '-', + order => '102', + } + + shorewall::rule { 'https': + action => 'HTTPS/ACCEPT', + source => 'net', + destination => '$FW', + proto => '-', + destinationport => '-', + ratelimit => '-', + order => '103', + } + + # + # Zones + # + shorewall::zone { 'vm': + type => 'ipv4', + order => '2', + } + + shorewall::zone { 'net': + type => 'ipv4', + order => '3', + } + + # + # Traffic shapping + # + shorewall::tcdevices { "eth0": + in_bandwidth => "2mbit", + out_bandwidth => "1mbit", + } + + shorewall::tcrules { "ssh-tcp": + order => "1", + source => "0.0.0.0/0", + destination => "0.0.0.0/0", + protocol => "tcp", + ports => "22", + } + + shorewall::tcrules { "ssh-udp": + order => "1", + source => "0.0.0.0/0", + destination => "0.0.0.0/0", + protocol => "udp", + ports => "22", + } + + shorewall::tcclasses { "ssh": + order => "1", + interface => "eth0", + rate => "4*full/100", + ceil => "full", + priority => "1", + } + + shorewall::tcclasses { "default": + order => "2", + interface => "eth0", + rate => "6*full/100", + ceil => "full", + priority => "2", + options => "default", + } + + # + # DMZ Configuration + # + if $shorewall_dmz { + shorewall::host { "eth0-dmz": + name => 'eth0:192.168.1.0/24', + zone => 'dmz', + options => '', + order => '3', + } + + shorewall::policy { 'dmz-all': + sourcezone => 'dmz', + destinationzone => 'all', + policy => 'ACCEPT', + order => '6', + } + + shorewall::policy { 'vm-dmz': + sourcezone => 'vm', + destinationzone => 'dmz', + policy => 'ACCEPT', + order => '7', + } + + shorewall::policy { 'fw-dmz': + sourcezone => '$FW', + destinationzone => 'dmz', + policy => 'ACCEPT', + order => '8', + } + + shorewall::zone { 'dmz': + type => 'ipv4', + order => '4', + } + } +} diff --git a/manifests/firewire.pp b/manifests/firewire.pp new file mode 100644 index 0000000..1c9609a --- /dev/null +++ b/manifests/firewire.pp @@ -0,0 +1,17 @@ +class firewire { + # keep firewire disabled + # see http://padrao.sarava.org/trac/wiki/Debian/Firewire + file { "/etc/modprobe.d/blacklist": + owner => "root", + group => "root", + mode => 0644, + ensure => present, + source => "puppet://$server/modules/nodo/etc/modprobe.d/blacklist", + } + + # make sure ohci1394 is not loaded + exec { "rmmod ohci1394": + unless => "/bin/sh -c 'if `grep -q ^ohci1394 /proc/modules`; then false; else true; fi'", + user => "root", + } +} diff --git a/manifests/init.pp b/manifests/init.pp new file mode 100644 index 0000000..443e612 --- /dev/null +++ b/manifests/init.pp @@ -0,0 +1,301 @@ +# +# Nodo class definitions +# + +import "firewall.pp" +import "firewire.pp" +import "initramfs.pp" +import "lsb.pp" +import "motd.pp" +import "sudo.pp" +import "sysctl.pp" + +class nodo { + include lsb + include puppetd + include backup + include exim + include sudo + include users::admin + include motd + + # Set timezone and ntp config + # + # We config those here but leave class inclusion elsewhere + # as ntp config differ from server to vserver. + # + $ntp_timezone = "Brazil/East" + $ntp_pool = "south-america.pool.ntp.org" + $ntp_servers = [ 'a.ntp.br', 'b.ntp.br', 'c.ntp.br' ] + + # Monkeysphere + # + # Currently we don't have a defined policy regarding whether + # to publish all our node keys to public keyservers, so leave + # automatic publishing disabled for now. + # + $monkeysphere_publish_key = false + include monkeysphere + + # Apt configuration + $backports_enabled = true + $apt_update_method = cron + include apt + + file { "/etc/hostname": + owner => "root", + group => "root", + mode => 0644, + ensure => present, + content => "$fqdn\n", + } + + host { "$hostname": + ensure => present, + ip => "$ipaddress", + alias => [ "$fqdn" ], + } + + file { "/etc/rc.local": + source => "puppet://$server/modules/nodo/etc/rc.local", + owner => "root", + group => "root", + mode => 0755, + ensure => present, + } +} + +class nodo::server inherits nodo { + include syslog-ng + include ntpdate + include firewall + include vserver::host + include initramfs + include firewire + include sysctl + + # DNS resolver + $resolvconf_domain = "$domain" + $resolvconf_search = "$fqdn" + include resolvconf + + # SSH Server + # + # We need to restrict listen address so multiple instances + # can live together in the same physical host. + # + $sshd_listen_address = [ "$ipaddress" ] + $sshd_password_authentication = "yes" + include sshd + + # Munin + #$munin_port = "4901" + #include munin::client + + backupninja::sys { "sys": + ensure => present, + } + + # fstab + file { "/etc/fstab": + source => "puppet://$server/modules/nodo/etc/fstab", + owner => "root", + group => "root", + mode => 0644, + ensure => present, + } + + # crypttab + file { "/etc/crypttab": + source => "puppet://$server/modules/nodo/etc/crypttab", + owner => "root", + group => "root", + mode => 0644, + ensure => present, + } +} + +class nodo::vserver inherits nodo { + $sshd_password_authentication = "yes" + $sshd_internal_ip = "yes" + include sshd + include timezone + include syslog-ng::vserver + + backupninja::sys { "sys": + ensure => present, + partitions => false, + hardware => false, + dosfdisk => false, + dohwinfo => false, + } + + define munin($type, $id) { + # Use one port for each node + $munin_port = "49$id" + case $type { + 'host': { + include munin::host + include munin::client + } + 'client': { + include munin::client + } + } + } + + # Apply the munin configuration for this host + #Nodo::vserver::munin <| tag == $name |> + + # Define a vserver instance + define instance($context, $ensure = 'running', $proxy = false, $puppetmaster = false, $gitd = false, $munin = 'client') { + + # set instance id + if $context < 9 { + $id = "0$context" + } else { + $id = $context + } + + # TODO: some nodes need a lot of space at /tmp otherwise some admin + # tasks like backups might not run. + vserver { $name: + ensure => $ensure, + context => "$context", + mark => 'default', + distro => 'lenny', + interface => "eth0:192.168.0.$context/24", + hostname => "$name.$domain", + } + + # Create a munin virtual resource to be realized in the node + #@nodo::vserver::munin { + # type => $munin, + # id => $id, + # tag => $name, + #} + + # Apply firewall rules just for running vservers + case $ensure { + 'running': { + + shorewall::rule { "ssh-$context": + action => 'DNAT', + source => 'net', + destination => "vm:192.168.0.$context:22", + proto => 'tcp', + destinationport => "22$id", + ratelimit => '-', + order => "2$id", + } + + if $proxy { + shorewall::rule { 'http-route': + action => 'DNAT', + source => 'net', + destination => "vm:192.168.0.$context:80", + proto => 'tcp', + destinationport => '80', + ratelimit => '-', + order => '300', + } + + shorewall::rule { 'https-route': + action => 'DNAT', + source => 'net', + destination => "vm:192.168.0.$context:443", + proto => 'tcp', + destinationport => '443', + ratelimit => '-', + order => '301', + } + } + + if $puppetmaster { + shorewall::rule { 'puppetmaster-1': + action => 'DNAT', + source => 'net', + destination => "fw:192.168.0.$context:8140", + proto => 'tcp', + destinationport => '8140', + ratelimit => '-', + order => '302', + } + + shorewall::rule { 'puppetmaster-2': + action => 'DNAT', + source => 'net', + destination => "fw:192.168.0.$context:8140", + proto => 'udp', + destinationport => '8140', + ratelimit => '-', + order => '303', + } + + shorewall::rule { 'puppetmaster-3': + action => 'DNAT', + source => '$FW', + destination => "fw:192.168.0.$context:8140", + proto => 'tcp', + destinationport => '8140', + ratelimit => '-', + order => '304', + } + + shorewall::rule { 'puppetmaster-4': + action => 'DNAT', + source => '$FW', + destination => "fw:192.168.0.$context:8140", + proto => 'udp', + destinationport => '8140', + ratelimit => '-', + order => '305', + } + } + + if $gitd { + shorewall::rule { 'git-daemon-1': + action => 'DNAT', + source => 'net', + destination => "fw:192.168.0.$context:9418", + proto => 'tcp', + destinationport => '9418', + ratelimit => '-', + order => '306', + } + + shorewall::rule { 'git-daemon-2': + action => 'DNAT', + source => '$FW', + destination => "vm:192.168.0.$context:9418", + proto => 'tcp', + destinationport => '9418', + ratelimit => '-', + order => '307', + } + } + } + } + } +} + +class nodo::web inherits nodo::vserver { + include git-daemon + include websites + include mysql::server + include users::virtual + + backupninja::svn { "svn": + src => "/var/svn", + } + + backupninja::mysql { "all_databases": + backupdir => '/var/backups/mysql', + compress => true, + sqldump => true, + } +} + +class nodo::proxy inherits nodo::vserver { + include nginx +} diff --git a/manifests/initramfs.pp b/manifests/initramfs.pp new file mode 100644 index 0000000..3b37f65 --- /dev/null +++ b/manifests/initramfs.pp @@ -0,0 +1,25 @@ +class initramfs { + # initramfs config + file { "/etc/kernel-img.conf": + owner => "root", + group => "root", + mode => 0644, + ensure => present, + content => "do_initrd = Yes\n", + } + + # initramfs config + file { "/etc/initramfs-tools/modules": + owner => "root", + group => "root", + mode => 0644, + ensure => present, + source => "puppet://$server/modules/nodo/etc/initramfs-tools/modules", + } + + # update initramfs when needed + exec { "update-initramfs -v -u": + subscribe => [ File["/etc/initramfs-tools/modules"], File["/etc/modprobe.d/blacklist"] ], + refreshonly => true, + } +} diff --git a/manifests/lsb.pp b/manifests/lsb.pp new file mode 100644 index 0000000..4516470 --- /dev/null +++ b/manifests/lsb.pp @@ -0,0 +1,4 @@ +class lsb { + package { "lsb-release": ensure => installed, } + include assert_lsbdistcodename +} diff --git a/manifests/motd.pp b/manifests/motd.pp new file mode 100644 index 0000000..c8029bf --- /dev/null +++ b/manifests/motd.pp @@ -0,0 +1,17 @@ +class motd { + # http://projects.reductivelabs.com/issues/1915 + file { "/var/run/motd": + owner => "root", + group => "root", + mode => 0644, + ensure => file, + content => "This is $fqdn from the $network_name.\n", + } + + file { "/etc/motd": + owner => "root", + group => "root", + ensure => "/var/run/motd", + require => File["/var/run/motd"], + } +} diff --git a/manifests/sudo.pp b/manifests/sudo.pp new file mode 100644 index 0000000..c5679fd --- /dev/null +++ b/manifests/sudo.pp @@ -0,0 +1,14 @@ +class sudo { + + package { "sudo": + ensure => "present", + } + + file { "/etc/sudoers": + source => "puppet://$server/modules/nodo/etc/sudoers", + owner => "root", + group => "root", + mode => 440, + require => Package["sudo"], + } +} diff --git a/manifests/sysctl.pp b/manifests/sysctl.pp new file mode 100644 index 0000000..3bd028c --- /dev/null +++ b/manifests/sysctl.pp @@ -0,0 +1,16 @@ +class sysctl { + # root exploit fix, see http://wiki.debian.org/mmap_min_addr + # TODO: remove in the future or use a sysctl puppet module + file { "/etc/sysctl.d/mmap_min_addr.conf": + owner => "root", + group => "root", + mode => 0644, + ensure => present, + content => "vm.mmap_min_addr = 4096\n", + } + + exec { "/etc/init.d/procps restart": + subscribe => File["/etc/sysctl.d/mmap_min_addr.conf"], + refreshonly => true, + } +} |