# force any errors to cause the script and job to end in failure
set -xeu -o pipefail
+ensure_kernel_install() {
+ # Workaround for mkinitrd failing on occassion.
+ # On CentOS 7 it seems like the kernel install can fail it's mkinitrd
+ # run quietly, so we may not notice the failure. This script retries for a
+ # few times before giving up.
+ initramfs_ver=$(rpm -q kernel | tail -1 | sed "s/kernel-/initramfs-/")
+ grub_conf="/boot/grub/grub.conf"
+ # Public cloud does not use /boot/grub/grub.conf and uses grub2 instead.
+ if [ ! -e "$grub_conf" ]; then
+ echo "$grub_conf not found. Using Grub 2 conf instead."
+ grub_conf="/boot/grub2/grub.cfg"
+ fi
+
+ for i in $(seq 3); do
+ if grep "$initramfs_ver" "$grub_conf"; then
+ break
+ fi
+ echo "Kernel initrd missing. Retrying to install kernel..."
+ yum reinstall -y kernel
+ done
+ if ! grep "$initramfs_ver" "$grub_conf"; then
+ cat /boot/grub/grub.conf
+ echo "ERROR: Failed to install kernel."
+ exit 1
+ fi
+}
+
rh_systems() {
# Handle the occurance where SELINUX is actually disabled
SELINUX=$(grep -E '^SELINUX=(disabled|permissive|enforcing)$' /etc/selinux/config)
echo "---> Updating operating system"
yum clean all
yum install -y deltarpm
-
- # Workaround for kernel panic issue that appears sometimes after kernel update
- # https://www.centos.org/forums/viewtopic.php?t=22425
- yum remove -y kernel
yum update -y
- yum install -y kernel
+
+ ensure_kernel_install
# add in components we need or want on systems
echo "---> Installing base packages"
fi
;;
RedHat|CentOS)
- if [ "$(echo $FACTER_OSVER | cut -d'.' -f1)" -ge "7" ]
+ if [ "$(echo "$FACTER_OSVER" | cut -d'.' -f1)" -ge "7" ]
then
echo "---> not modifying java alternatives as OpenJDK 1.7.0 does not exist"
else
EOF
# Add hostname to /etc/hosts to fix 'unable to resolve host' issue with sudo
- sed -i "/127.0.0.1/s/$/ `hostname`/" /etc/hosts
+ sed -i "/127.0.0.1/s/$/ $(hostname)/" /etc/hosts
echo "---> Updating operating system"
# Use retry loop to install packages for failing mirrors
for i in {0..5}
do
+ echo "Attempt $i of installing base packages..."
apt-get clean
apt-get update -m
apt-get upgrade -m
for pkg in unzip xz-utils puppet git git-review libxml-xpath-perl
do
+ # shellcheck disable=SC2046
if [ $(dpkg-query -W -f='${Status}' $pkg 2>/dev/null | grep -c "ok installed") -eq 0 ]; then
- apt-get install $pkg;
+ apt-cache policy $pkg
+ apt-get install $pkg
fi
done
done