vagrant/lf-networking/configure_lf_infra.sh

   1 #!/bin/bash
   2
   3 # script requires information about subdomain
   4 if [ -z "$1" ]; then
   5     >&2 echo "Please provide the subdomain to Vagrant"
   6     exit 1
   7 else
   8     SUBDOM=$1
   9 fi
  10
  11
  12 all_systems() {
  13     # install specific versions of puppet modules
  14     puppet module install puppetlabs-stdlib -v 4.5.1
  15     puppet module install puppetlabs-concat -v 1.2.0
  16     puppet module install lex-dnsmasq -v 2.6.1
  17
  18     # write the subdomain information into a custom facter fact
  19     mkdir -p /etc/facter/facts.d/
  20     echo "subdomain=${SUBDOM}" > /etc/facter/facts.d/subdomain.txt
  21
  22     # final bits
  23     puppet apply /vagrant/confignetwork.pp
  24
  25 }
  26
  27 rh_systems_init() {
  28     # for some reason not all systems have @base installed
  29     yum install -y -q @base
  30
  31     # also make sure that a few other utilities are definitely installed
  32     yum install -y -q unzip xz
  33
  34     # install some needed internal networking configurations
  35     yum install -y dnsmasq puppet
  36
  37     # remove current networking configurations
  38     rm -f /etc/sysconfig/network-scripts/{ifcfg,route}-{eth,docker}*
  39 }
  40
  41 rh_systems_post() {
  42     # don't let cloud-init do funny things to our routing
  43     chattr +i /etc/sysconfig/network-scripts/route-eth0
  44
  45     # setup the needed routing
  46     cat <<EOL >> /etc/rc.d/post-cloud-init
  47 #!/bin/bash
  48
  49 # always force puppet to rerun
  50 /usr/bin/puppet apply /vagrant/confignetwork.pp
  51 EOL
  52
  53     chmod +x /etc/rc.d/post-cloud-init
  54
  55     # so that the network stack doesn't futz with our resolv config
  56     # after we've configured it
  57     chattr +i /etc/resolv.conf
  58 }
  59
  60 ubuntu_systems_post() {
  61     # don't let cloud-init destroy our routing
  62 #    chattr +i /etc/network/if-up.d/0000routing
  63     echo "---> do nothing for now"
  64 }
  65
  66 systemd_init() {
  67     # create a post-cloud-init.service and enable it
  68     cat <<EOL > /etc/systemd/system/post-cloud-init.service
  69 [Unit]
  70 Description=Post cloud-init script (overwrites some cloud-init config)
  71 After=cloud-init-local.service
  72 Requires=cloud-init-local.service
  73
  74 [Service]
  75 Type=oneshot
  76 ExecStart=/etc/rc.d/post-cloud-init
  77 TimeoutSec=0
  78 #RemainAfterExit=yes
  79 #SysVStartPriority=99
  80
  81 # Output needs to appear in instance console output
  82 StandardOutput=journal+console
  83
  84 [Install]
  85 WantedBy=multi-user.target
  86 EOL
  87
  88     /usr/bin/systemctl enable post-cloud-init.service
  89     chattr +i /etc/systemd/system/post-cloud-init.service
  90 }
  91
  92 sysv_init() {
  93     # create the SysV init and enable it
  94     cat <<EOL > /etc/init.d/post-cloud-init
  95 #!/bin/bash
  96
  97 ### BEGIN INIT INFO
  98 # Provides:         post-cloud-init
  99 # Required-Start:   $local_fs $network $named $remote_fs cloud-init-local
 100 # Should-Start:     $time
 101 # Required-Stop:
 102 # Should-Stop:
 103 # Default-Start:    2 3 4 5
 104 # Default-Stop:     0 1 6
 105 # Short-Description:    Setup dnsmasq for LF Rackspace environment
 106 # Description:      Setup dnsmasq for LF Rackspace environment after
 107 #   cloud-init-local
 108
 109 # Return values acc. to LSB for all commands but status:
 110 # 0       - success
 111 # 1       - generic or unspecified error
 112 # 2       - invalid or excess argument(s)
 113 # 3       - unimplemented feature (e.g. "reload")
 114 # 4       - user had insufficient privileges
 115 # 5       - program is not installed
 116 # 6       - program is not configured
 117 # 7       - program is not running
 118 # 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
 119 #
 120 # Note that starting an already running service, stopping
 121 # or restarting a not-running service as well as the restart
 122 # with force-reload (in case signaling is not supported) are
 123 # considered a success.
 124
 125 RETVAL=0
 126
 127 prog="post-cloud-init"
 128
 129 start() {
 130     echo -n $"Starting $prog: "
 131     /etc/rc.d/post-cloud-init
 132     RETVAL=$?
 133     return $RETVAL
 134 }
 135
 136 stop() {
 137     echo -n $"Shutting down $prog:"
 138     # No-op
 139     RETVAL=7
 140     return $RETVAL
 141 }
 142
 143 case "$1" in
 144     start)
 145         start
 146         RETVAL=$?
 147         ;;
 148     stop)
 149         stop
 150         RETVAL=$?
 151         ;;
 152     restart|try-restart|condrestart)
 153         start
 154         RETVAL=$?
 155         ;;
 156     status)
 157         echo -n $"Checking for service $prog: "
 158         # Return value is slightly different for the status command:
 159         # 0 - service up and running
 160         # 1 - service dead, but /var/run pid file exists
 161         # 2 - service dead, but /var/lock file exists
 162         # 3 - service not running (unused)
 163         # 4 - service status unknown :-(
 164         # 5--199 reserved (5-99 LSB, 100-149 distro, 150-199 appl.)
 165         RETVAL=4
 166         ;;
 167     *)
 168         echo "Usage: $0 {start|stop|status|try-restart|condrestart|restart|force-reload|reload}"
 169         RETVAL=3
 170         ;;
 171 esac
 172
 173 exit $RETVAL
 174 EOL
 175     chmod +x /etc/init.d/post-cloud-init
 176
 177     /sbin/chkconfig --add post-cloud-init
 178     /sbin/chkconfig post-cloud-init on
 179 }
 180
 181 # Execute setup that all systems need
 182 all_systems
 183
 184 echo "---> Checking distribution"
 185 FACTER_OSFAMILY=`/usr/bin/facter osfamily`
 186 FACTER_OS=`/usr/bin/facter operatingsystem`
 187 case "$FACTER_OSFAMILY" in
 188     RedHat)
 189         rh_systems_init
 190         case "$FACTER_OS" in
 191             Fedora)
 192                 echo "---> Fedora found"
 193                 systemd_init
 194             ;;
 195             RedHat|CentOS)
 196                 if [ `/usr/bin/facter operatingsystemrelease | /bin/cut -d '.' -f1` = "7" ]; then
 197                     echo "---> CentOS 7"
 198                     systemd_init
 199                 else
 200                     echo "---> CentOS 6"
 201                     sysv_init
 202                 fi
 203             ;;
 204             *)
 205                 echo "---> Unknown RH Family OS: ${FACTER_OS}"
 206             ;;
 207         esac
 208         rh_systems_post
 209     ;;
 210     Debian)
 211         case "$FACTER_OS" in
 212             Ubuntu)
 213                 echo "---> Ubuntu found"
 214                 ubuntu_systems_post
 215             ;;
 216             *)
 217                 "---> Nothing to do for ${FACTER_OS}"
 218             ;;
 219         esac
 220     ;;
 221     *)
 222         echo "---> Unknown OS: ${FACTER_OSFAMILY}"
 223     ;;
 224 esac
 225
 226 # vim: sw=4 ts=4 sts=4 et :