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[releng/builder.git] / packer / provision / baseline.sh

diff --git a/packer/provision/baseline.sh b/packer/provision/baseline.sh
index 916f3973cefbd50c32bc05e2d963f0b9fee089e8..5a97699467aab83610b1021ff219886edaee0f4d 100644 (file)
--- a/packer/provision/baseline.sh
+++ b/packer/provision/baseline.sh
@@ -5,6 +5,33 @@
 # 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)
@@ -52,13 +79,15 @@ EOF
     yum install -y deltarpm
     yum update -y
 
+    ensure_kernel_install
+
     # add in components we need or want on systems
     echo "---> Installing base packages"
     yum install -y @base https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
     # separate group installs from package installs since a non-existing
     # group with dnf based systems (F21+) will fail the install if such
     # a group does not exist
-    yum install -y unzip xz puppet git git-review perl-XML-XPath
+    yum install -y unzip xz puppet git git-review perl-XML-XPath ShellCheck
 
     # All of our systems require Java (because of Jenkins)
     # Install all versions of the OpenJDK devel but force 1.7.0 to be the
@@ -80,7 +109,7 @@ EOF
             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
@@ -132,13 +161,33 @@ Dpkg::Options {
 
 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
+
     echo "---> Updating operating system"
-    apt-get update
-    apt-get upgrade
 
-    # add in stuff we know we need
+    # add additional repositories
+    sudo add-apt-repository "deb http://us.archive.ubuntu.com/ubuntu $(lsb_release -sc) main universe restricted multiverse"
+
     echo "---> Installing base packages"
-    apt-get install unzip xz-utils puppet git git-review libxml-xpath-perl
+    # 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
+        apt-get dist-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-cache policy $pkg
+                apt-get install $pkg
+            fi
+        done
+    done
 
     # install Java 7
     echo "---> Configuring OpenJDK"