baseline.sh revision 5dee0d62
1#!/bin/bash
2
3# vim: ts=4 sw=4 sts=4 et tw=72 :
4
5rh_systems() {
6    # Handle the occurance where SELINUX is actually disabled
7    SELINUX=$(grep -E '^SELINUX=(disabled|permissive|enforcing)$' /etc/selinux/config)
8    MODE=$(echo "$SELINUX" | cut -f 2 -d '=')
9    case "$MODE" in
10        permissive)
11            echo "************************************"
12            echo "** SYSTEM ENTERING ENFORCING MODE **"
13            echo "************************************"
14            # make sure that the filesystem is properly labelled.
15            # it could be not fully labeled correctly if it was just switched
16            # from disabled, the autorelabel misses some things
17            # skip relabelling on /dev as it will generally throw errors
18            restorecon -R -e /dev /
19
20            # enable enforcing mode from the very start
21            setenforce enforcing
22
23            # configure system for enforcing mode on next boot
24            sed -i 's/SELINUX=permissive/SELINUX=enforcing/' /etc/selinux/config
25        ;;
26        disabled)
27            sed -i 's/SELINUX=disabled/SELINUX=permissive/' /etc/selinux/config
28            touch /.autorelabel
29
30            echo "*******************************************"
31            echo "** SYSTEM REQUIRES A RESTART FOR SELINUX **"
32            echo "*******************************************"
33        ;;
34        enforcing)
35            echo "*********************************"
36            echo "** SYSTEM IS IN ENFORCING MODE **"
37            echo "*********************************"
38        ;;
39    esac
40
41    echo "---> Updating operating system"
42    yum clean all -q
43    yum install -y -q deltarpm
44    yum update -y -q
45
46    # add in components we need or want on systems
47    echo "---> Installing base packages"
48    yum install -y -q @base https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
49    # separate group installs from package installs since a non-existing
50    # group with dnf based systems (F21+) will fail the install if such
51    # a group does not exist
52    yum install -y -q unzip xz puppet git git-review perl-XML-XPath wget make
53
54    # All of our systems require Java (because of Jenkins)
55    # Install all versions of the OpenJDK devel but force 1.7.0 to be the
56    # default
57
58    echo "---> Configuring OpenJDK"
59    yum install -y -q 'java-*-openjdk-devel'
60
61    FACTER_OS=$(/usr/bin/facter operatingsystem)
62    FACTER_OSVER=$(/usr/bin/facter operatingsystemrelease)
63    case "$FACTER_OS" in
64        Fedora)
65            if [ "$FACTER_OSVER" -ge "21" ]
66            then
67                echo "---> not modifying java alternatives as OpenJDK 1.7.0 does not exist"
68            else
69                alternatives --set java /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java
70                alternatives --set java_sdk_openjdk /usr/lib/jvm/java-1.7.0-openjdk.x86_64
71            fi
72        ;;
73        *)
74            alternatives --set java /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java
75            alternatives --set java_sdk_openjdk /usr/lib/jvm/java-1.7.0-openjdk.x86_64
76        ;;
77    esac
78
79    # Needed to parse OpenStack commands used by infra
80    # stack commands to initialize Heat template based systems.
81    yum install -y jq
82}
83
84ubuntu_systems() {
85    # Ignore SELinux since slamming that onto Ubuntu leads to
86    # frustration
87
88    export DEBIAN_FRONTEND=noninteractive
89    cat <<EOF >> /etc/apt/apt.conf
90APT {
91  Get {
92    Assume-Yes "true";
93    allow-change-held-packages "true";
94    allow-downgrades "true";
95    allow-remove-essential "true";
96  };
97};
98
99Dpkg::Options {
100  "--force-confdef";
101  "--force-confold";
102};
103
104EOF
105
106    echo "---> Updating operating system"
107    apt-get update -qq > /dev/null
108    apt-get upgrade -qq > /dev/null
109
110    # add in stuff we know we need
111    echo "---> Installing base packages"
112    apt-get install -qq unzip xz-utils puppet git git-review libxml-xpath-perl make wget > /dev/null
113
114    # install Java 7
115    echo "---> Configuring OpenJDK"
116    apt-get install -qq openjdk-7-jdk > /dev/null
117
118    # make jdk8 available
119    add-apt-repository -y ppa:openjdk-r/ppa > /dev/null
120    apt-get update -qq > /dev/null
121    # We need to force openjdk-8-jdk to install
122    apt-get install -qq openjdk-8-jdk > /dev/null
123
124    # make sure that we still default to openjdk 7
125    update-alternatives --set java /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java
126    update-alternatives --set javac /usr/lib/jvm/java-7-openjdk-amd64/bin/javac
127
128    # Needed to parse OpenStack commands used by infra
129    # stack commands to initialize Heat template based systems.
130    apt-get install -qq jq > /dev/null
131
132    # disable unattended upgrades & daily updates
133    echo '---> Disabling automatic daily upgrades'
134    apt-get remove unattended-upgrades
135    if [ -f /usr/bin/systemctl ]
136    then
137        systemctl stop apt.systemd.daily
138        systemctl disable apt.systemd.daily
139    else
140        /etc/init.d/unattended-upgrades stop
141        update-rc.d -f unattended-upgrades remove
142    fi
143}
144
145all_systems() {
146    # Allow jenkins access to update-alternatives command to switch java version
147    cat <<EOF >/etc/sudoers.d/89-jenkins-user-defaults
148Defaults:jenkins !requiretty
149jenkins ALL = NOPASSWD: /usr/bin/update-alternatives
150EOF
151
152    # Do any Distro specific installations here
153    echo "Checking distribution"
154    FACTER_OS=$(/usr/bin/facter operatingsystem)
155    case "$FACTER_OS" in
156        *)
157            echo "---> $FACTER_OS found"
158            echo "No extra steps for $FACTER_OS"
159        ;;
160    esac
161}
162
163echo "---> Attempting to detect OS"
164# upstream cloud images use the distro name as the initial user
165ORIGIN=$(if [ -e /etc/redhat-release ]
166    then
167        echo redhat
168    else
169        echo ubuntu
170    fi)
171#ORIGIN=$(logname)
172
173case "${ORIGIN}" in
174    fedora|centos|redhat)
175        echo "---> RH type system detected"
176        rh_systems
177    ;;
178    ubuntu)
179        echo "---> Ubuntu system detected"
180        ubuntu_systems
181    ;;
182    *)
183        echo "---> Unknown operating system"
184    ;;
185esac
186
187# execute steps for all systems
188all_systems
189