#cloud-boothook
#!/bin/bash

function add_str_to_file_if_not_exists {
    file=$1
    str=$2
    val=$3
    if ! grep -q "^ *${str}" $file; then
        echo $val >> $file
    fi
}


cloud-init-per instance disable_selinux_on_the_fly setenforce 0

cloud-init-per instance disable_selinux sed -i 's/^SELINUX=.*/SELINUX=disabled/g' /etc/sysconfig/selinux


# configure udev rules

# udev persistent net
cloud-init-per instance udev_persistent_net1 service network stop

ADMIN_MAC={{ common.admin_mac }}
ADMIN_IF=$(echo {{ common.udevrules }} | sed 's/[,=]/\n/g' | grep "$ADMIN_MAC" | cut -d_ -f2 | head -1)
cloud-init-per instance configure_admin_interface /bin/sh -c "echo -e \"# FROM COBBLER SNIPPET\nDEVICE=$ADMIN_IF\nIPADDR={{ common.admin_ip }}\nNETMASK={{ common.admin_mask }}\nBOOTPROTO=none\nONBOOT=yes\nUSERCTL=no\n\" | tee /etc/sysconfig/network-scripts/ifcfg-$ADMIN_IF"

cloud-init-per instance set_gateway /bin/sh -c 'echo GATEWAY="{{ common.gw }}" | tee -a /etc/sysconfig/network'

cloud-init-per instance udev_persistent_net5 service network start

# end of udev

#FIXME(agordeev): if operator updates dns settings on masternode after the node had been provisioned,
#                 cloud-init will start to generate resolv.conf with non-actual data
cloud-init-per instance resolv_conf_remove rm -f /etc/resolv.conf
cloud-init-per instance resolv_conf_header /bin/sh -c 'echo "# re-generated by cloud-init boothook only at the first boot;" | tee /etc/resolv.conf'
cloud-init-per instance resolv_conf_search /bin/sh -c 'echo "search {{ common.search_domain|replace('"','') }}" | tee -a /etc/resolv.conf'
cloud-init-per instance resolv_conf_domain /bin/sh -c 'echo "domain {{ common.search_domain|replace('"','') }}" | tee -a /etc/resolv.conf'
cloud-init-per instance resolv_conf_nameserver /bin/sh -c 'echo nameserver {{ common.master_ip }} | tee -a /etc/resolv.conf'

# configure black module lists
# virt-what should be installed
if [ ! -f /etc/modprobe.d/blacklist-i2c_piix4.conf ]; then
    ( (virt-what | fgrep -q "virtualbox") && echo "blacklist i2c_piix4" >> /etc/modprobe.d/blacklist-i2c_piix4.conf || :)
    modprobe -r i2c_piix4
fi

cloud-init-per instance conntrack_ipv4 /bin/sh -c 'echo nf_conntrack_ipv4 | tee -a /etc/rc.modules'
cloud-init-per instance conntrack_ipv6 /bin/sh -c 'echo nf_conntrack_ipv6 | tee -a /etc/rc.modules'
cloud-init-per instance conntrack_proto_gre /bin/sh -c 'echo nf_conntrack_proto_gre | tee -a /etc/rc.modules'
cloud-init-per instance chmod_rc_modules chmod +x /etc/rc.modules
cloud-init-per instance conntrack_max /bin/sh -c 'echo "net.nf_conntrack_max=1048576" | tee -a /etc/sysctl.conf'
cloud-init-per instance kernel_panic /bin/sh -c 'echo "kernel.panic=60" | tee -a /etc/sysctl.conf'

cloud-init-per instance conntrack_ipv4_load modprobe nf_conntrack_ipv4
cloud-init-per instance conntrack_ipv6_load modprobe nf_conntrack_ipv6
cloud-init-per instance conntrack_proto_gre_load modprobe nf_conntrack_proto_gre
cloud-init-per instance conntrack_max_set sysctl -w "net.nf_conntrack_max=1048576"
cloud-init-per instance kernel_panic_set sysctl -w "kernel.panic=60"

cloud-init-per instance mkdir_coredump mkdir -p /var/log/coredump
cloud-init-per instance set_coredump /bin/sh -c 'echo -e "kernel.core_pattern=/var/log/coredump/core.%e.%p.%h.%t" | tee -a /etc/sysctl.conf'
cloud-init-per instance set_coredump_sysctl sysctl -w "kernel.core_pattern=/var/log/coredump/core.%e.%p.%h.%t"
cloud-init-per instance set_chmod chmod 777 /var/log/coredump
cloud-init-per instance set_limits /bin/sh -c 'echo -e "* soft core unlimited\n* hard core unlimited" | tee -a /etc/security/limits.conf'


#NOTE: disabled for centos?
#cloud-init-per instance dhclient echo 'supersede routers 0;' | tee /etc/dhcp/dhclient.conf

# ntp sync
# '| tee /dev/null' is needed for returning zero execution code always
cloud-init-per instance stop_ntpd /bin/sh -c 'service ntpd stop | tee /dev/null'
cloud-init-per instance sync_date ntpdate -t 4 -b {{ common.master_ip }}
cloud-init-per instance sync_hwclock hwclock --systohc

cloud-init-per instance edit_ntp_conf1 sed -i '/^\s*tinker panic/ d' /etc/ntp.conf
cloud-init-per instance edit_ntp_conf2 sed -i '1 i tinker panic 0' /etc/ntp.conf
cloud-init-per instance edit_ntp_conf_mkdir mkdir -p /var/lib/ntp
cloud-init-per instance edit_ntp_conf3 /bin/sh -c 'echo 0 | tee /var/lib/ntp/drift'
cloud-init-per instance edit_ntp_conf4 chown ntp: /var/lib/ntp/drift
cloud-init-per instance edit_ntp_conf5 sed -i '/^\s*server/ d' /etc/ntp.conf
cloud-init-per instance edit_ntp_conf6 /bin/sh -c 'echo "server {{ common.master_ip }} burst iburst" | tee -a /etc/ntp.conf'


# Point installed ntpd to Master node
cloud-init-per instance set_ntpdate sed -i 's/SYNC_HWCLOCK\s*=\s*no/SYNC_HWCLOCK=yes/' /etc/sysconfig/ntpdate
cloud-init-per instance set_ntpd_0 chkconfig ntpd on
cloud-init-per instance set_ntpd_1 chkconfig ntpdate on
cloud-init-per instance start_ntpd service ntpd start

cloud-init-per instance removeUseDNS sed -i --follow-symlinks -e '/UseDNS/d' /etc/ssh/sshd_config
add_str_to_file_if_not_exists /etc/ssh/sshd_config 'UseDNS' 'UseDNS no'

cloud-init-per instance gssapi_disable sed -i -e "/^\s*GSSAPICleanupCredentials yes/d" -e "/^\s*GSSAPIAuthentication yes/d" /etc/ssh/sshd_config

cloud-init-per instance nailgun_agent_0 /bin/sh -c 'echo "rm -f /etc/nailgun-agent/nodiscover" | tee /etc/rc.local'
cloud-init-per instance nailgun_agent_1 /bin/sh -c 'echo "flock -w 0 -o /var/lock/agent.lock -c \"/usr/bin/nailgun-agent >> /var/log/nailgun-agent.log 2>&1\"" | tee -a /etc/rc.local'

# Copying default bash settings to the root directory
cloud-init-per instance skel_bash cp -f /etc/skel/.bash* /root/

# Puppet config
cloud-init-per instance hiera_puppet mkdir -p /etc/puppet /var/lib/hiera
cloud-init-per instance touch_puppet touch /var/lib/hiera/common.yaml /etc/puppet/hiera.yaml /var/log/puppet.log
cloud-init-per instance chmod_puppet chmod 600 /var/log/puppet.log

# Mcollective enable
cloud-init-per instance mcollective_enable sed -i /etc/rc.d/init.d/mcollective -e 's/\(# chkconfig:\s\+[-0-6]\+\) [0-9]\+ \([0-9]\+\)/\1 81 \2/'