Current File : //proc/thread-self/root/var/lib/dpkg/info/do-agent.postinst
#!/bin/sh
# noexpandtab is required for EOF/heredoc
# vim: noexpandtab
#
# IMPORTANT: this script will execute with /bin/sh which is dash on some
# systems so this shebang should not be changed
# DO NOT change this and make sure you are linting with shellcheck to ensure
# compatbility with scripts
set -ue
SVC_NAME=do-agent
USERNAME=do-agent
INSTALL_DIR=/opt/digitalocean/${SVC_NAME}
CRON=/etc/cron.daily/${SVC_NAME}
INIT_SVC_FILE="/etc/init/${SVC_NAME}.conf"
SYSTEMD_SVC_FILE="/etc/systemd/system/${SVC_NAME}.service"
main() {
update_selinux
useradd -s /bin/false -M --system $USERNAME || true
if command -v systemctl >/dev/null 2>&1; then
# systemd is used, remove the upstart script
rm -f "${INIT_SVC_FILE}"
# systemctl enable --now is unsupported on older versions of debian/systemd
echo "enable systemd service"
systemctl daemon-reload
systemctl enable -f ${SVC_NAME}
systemctl restart ${SVC_NAME}
elif command -v initctl >/dev/null 2>&1; then
# upstart is used, remove the systemd script
rm -f "${SYSTEMD_SVC_FILE}"
echo "enable upstart service"
initctl stop ${SVC_NAME} || true
initctl reload-configuration
initctl start ${SVC_NAME}
else
echo "Unknown init system. Exiting..." > /dev/stderr
exit 1
fi
patch_updates
}
update_selinux() {
echo "Detecting SELinux"
enforced=$(getenforce 2>/dev/null || echo)
if [ "$enforced" != "Enforcing" ]; then
echo "SELinux not enforced"
return
fi
echo "setting nis_enabled to 1 to allow ${SVC_NAME} to execute"
setsebool -P nis_enabled 1 || echo "Failed" > /dev/stderr
systemctl daemon-reexec || true
}
patch_updates() {
# make sure we have the latest
[ -f "${CRON}" ] && rm -f "${CRON}"
script="${INSTALL_DIR}/scripts/update.sh"
cat <<-EOF > "${CRON}"
#!/bin/sh
/bin/bash ${script} >/dev/null 2>&1
EOF
chmod +x "${CRON}"
}
main
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