20969: Fixes single host case.
[arvados.git] / tools / salt-install / provision.sh
index 594dad2ebb95a3a20ac131f9946bc96eb4d37069..a93899a61a338fa10c54f361a4688f1acc4b6c8c 100755 (executable)
@@ -10,6 +10,7 @@
 #
 # vagrant up
 
+set -eu
 set -o pipefail
 
 # capture the directory that the script is running from
@@ -25,12 +26,14 @@ usage() {
   echo >&2 "  -t, --test                                  Test installation running a CWL workflow"
   echo >&2 "  -r, --roles                                 List of Arvados roles to apply to the host, comma separated"
   echo >&2 "                                              Possible values are:"
-  echo >&2 "                                                api"
+  echo >&2 "                                                balancer"
   echo >&2 "                                                controller"
   echo >&2 "                                                dispatcher"
   echo >&2 "                                                keepproxy"
+  echo >&2 "                                                keepbalance"
   echo >&2 "                                                keepstore"
   echo >&2 "                                                keepweb"
+  echo >&2 "                                                monitoring"
   echo >&2 "                                                shell"
   echo >&2 "                                                webshell"
   echo >&2 "                                                websocket"
@@ -40,13 +43,13 @@ usage() {
   echo >&2 "  -h, --help                                  Display this help and exit"
   echo >&2 "  --dump-config <dest_dir>                    Dumps the pillars and states to a directory"
   echo >&2 "                                              This parameter does not perform any installation at all. It's"
-  echo >&2 "                                              intended to give you a parsed sot of configuration files so"
+  echo >&2 "                                              intended to give you a parsed set of configuration files so"
   echo >&2 "                                              you can inspect them or use them in you Saltstack infrastructure."
   echo >&2 "                                              It"
   echo >&2 "                                                - parses the pillar and states templates,"
   echo >&2 "                                                - downloads the helper formulas with their desired versions,"
   echo >&2 "                                                - prepares the 'top.sls' files both for pillars and states"
-  echo >&2 "                                                  for the selected role/s"
+  echo >&2 "                                                  for the selected role(s)"
   echo >&2 "                                                - writes the resulting files into <dest_dir>"
   echo >&2 "  -v, --vagrant                               Run in vagrant and use the /vagrant shared dir"
   echo >&2 "  --development                               Run in dev mode, using snakeoil certs"
@@ -107,12 +110,12 @@ arguments() {
         for i in ${2//,/ }
           do
             # Verify the role exists
-            if [[ ! "database,api,controller,keepstore,websocket,keepweb,workbench2,webshell,keepproxy,shell,workbench,dispatcher" == *"$i"* ]]; then
+            if [[ ! "database,balancer,controller,keepstore,websocket,keepweb,workbench2,webshell,keepbalance,keepproxy,shell,workbench,dispatcher,monitoring" == *"$i"* ]]; then
               echo "The role '${i}' is not a valid role"
               usage
               exit 1
             fi
-            ROLES="${ROLES} ${i}"
+            ROLES="${ROLES:-} ${i}"
           done
           shift 2
         ;;
@@ -140,22 +143,94 @@ copy_custom_cert() {
   cert_dir=${1}
   cert_name=${2}
 
-  mkdir -p /srv/salt/certs
+  mkdir -p --mode=0700 /srv/salt/certs
 
   if [ -f ${cert_dir}/${cert_name}.crt ]; then
-    cp -v ${cert_dir}/${cert_name}.crt /srv/salt/certs/arvados-${cert_name}.pem
+    install --mode=0600 ${cert_dir}/${cert_name}.crt /srv/salt/certs/arvados-${cert_name}.pem
   else
     echo "${cert_dir}/${cert_name}.crt does not exist. Exiting"
     exit 1
   fi
   if [ -f ${cert_dir}/${cert_name}.key ]; then
-    cp -v ${cert_dir}/${cert_name}.key /srv/salt/certs/arvados-${cert_name}.key
+    install --mode=0600 ${cert_dir}/${cert_name}.key /srv/salt/certs/arvados-${cert_name}.key
   else
     echo "${cert_dir}/${cert_name}.key does not exist. Exiting"
     exit 1
   fi
 }
 
+apply_var_substitutions() {
+  local SRCFILE=$1
+  local DSTFILE=$2
+  sed "s#__ANONYMOUS_USER_TOKEN__#${ANONYMOUS_USER_TOKEN}#g;
+       s#__BLOB_SIGNING_KEY__#${BLOB_SIGNING_KEY}#g;
+       s#__CONTROLLER_EXT_SSL_PORT__#${CONTROLLER_EXT_SSL_PORT}#g;
+       s#__CLUSTER__#${CLUSTER}#g;
+       s#__DOMAIN__#${DOMAIN}#g;
+       s#__HOSTNAME_EXT__#${HOSTNAME_EXT}#g;
+       s#__IP_INT__#${IP_INT}#g;
+       s#__INITIAL_USER_EMAIL__#${INITIAL_USER_EMAIL}#g;
+       s#__INITIAL_USER_PASSWORD__#${INITIAL_USER_PASSWORD}#g;
+       s#__INITIAL_USER__#${INITIAL_USER}#g;
+       s#__LE_AWS_REGION__#${LE_AWS_REGION:-}#g;
+       s#__LE_AWS_SECRET_ACCESS_KEY__#${LE_AWS_SECRET_ACCESS_KEY:-}#g;
+       s#__LE_AWS_ACCESS_KEY_ID__#${LE_AWS_ACCESS_KEY_ID:-}#g;
+       s#__DATABASE_NAME__#${DATABASE_NAME}#g;
+       s#__DATABASE_USER__#${DATABASE_USER}#g;
+       s#__DATABASE_PASSWORD__#${DATABASE_PASSWORD}#g;
+       s#__DATABASE_INT_IP__#${DATABASE_INT_IP:-}#g;
+       s#__DATABASE_EXTERNAL_SERVICE_HOST_OR_IP__#${DATABASE_EXTERNAL_SERVICE_HOST_OR_IP:-}#g;
+       s#__DATABASE_POSTGRESQL_VERSION__#${DATABASE_POSTGRESQL_VERSION}#g;
+       s#__KEEPWEB_EXT_SSL_PORT__#${KEEPWEB_EXT_SSL_PORT}#g;
+       s#__KEEP_EXT_SSL_PORT__#${KEEP_EXT_SSL_PORT}#g;
+       s#__MANAGEMENT_TOKEN__#${MANAGEMENT_TOKEN}#g;
+       s#__RELEASE__#${RELEASE}#g;
+       s#__SYSTEM_ROOT_TOKEN__#${SYSTEM_ROOT_TOKEN}#g;
+       s#__VERSION__#${VERSION}#g;
+       s#__WEBSHELL_EXT_SSL_PORT__#${WEBSHELL_EXT_SSL_PORT}#g;
+       s#__WEBSOCKET_EXT_SSL_PORT__#${WEBSOCKET_EXT_SSL_PORT}#g;
+       s#__WORKBENCH1_EXT_SSL_PORT__#${WORKBENCH1_EXT_SSL_PORT}#g;
+       s#__WORKBENCH2_EXT_SSL_PORT__#${WORKBENCH2_EXT_SSL_PORT}#g;
+       s#__CLUSTER_INT_CIDR__#${CLUSTER_INT_CIDR}#g;
+       s#__CONTROLLER_INT_IP__#${CONTROLLER_INT_IP}#g;
+       s#__WEBSOCKET_INT_IP__#${WEBSOCKET_INT_IP}#g;
+       s#__KEEP_INT_IP__#${KEEP_INT_IP}#g;
+       s#__KEEPSTORE0_INT_IP__#${KEEPSTORE0_INT_IP}#g;
+       s#__KEEPWEB_INT_IP__#${KEEPWEB_INT_IP}#g;
+       s#__WEBSHELL_INT_IP__#${WEBSHELL_INT_IP}#g;
+       s#__SHELL_INT_IP__#${SHELL_INT_IP}#g;
+       s#__WORKBENCH1_INT_IP__#${WORKBENCH1_INT_IP}#g;
+       s#__WORKBENCH2_INT_IP__#${WORKBENCH2_INT_IP}#g;
+       s#__WORKBENCH_SECRET_KEY__#${WORKBENCH_SECRET_KEY}#g;
+       s#__SSL_KEY_ENCRYPTED__#${SSL_KEY_ENCRYPTED}#g;
+       s#__SSL_KEY_AWS_REGION__#${SSL_KEY_AWS_REGION:-}#g;
+       s#__SSL_KEY_AWS_SECRET_NAME__#${SSL_KEY_AWS_SECRET_NAME}#g;
+       s#__CONTROLLER_MAX_WORKERS__#${CONTROLLER_MAX_WORKERS:-}#g;
+       s#__CONTROLLER_MAX_QUEUED_REQUESTS__#${CONTROLLER_MAX_QUEUED_REQUESTS:-128}#g;
+       s#__MONITORING_USERNAME__#${MONITORING_USERNAME}#g;
+       s#__MONITORING_EMAIL__#${MONITORING_EMAIL}#g;
+       s#__MONITORING_PASSWORD__#${MONITORING_PASSWORD}#g;
+       s#__DISPATCHER_SSH_PRIVKEY__#${DISPATCHER_SSH_PRIVKEY//$'\n'/\\n}#g;
+       s#__ENABLE_BALANCER__#${ENABLE_BALANCER}#g;
+       s#__DISABLED_CONTROLLER__#${DISABLED_CONTROLLER}#g;
+       s#__BALANCER_NODENAME__#${ROLE2NODES['balancer']:-}#g;
+       s#__PROMETHEUS_NODENAME__#${ROLE2NODES['monitoring']:-}#g;
+       s#__PROMETHEUS_DATA_RETENTION_TIME__#${PROMETHEUS_DATA_RETENTION_TIME:-15d}#g;
+       s#__CONTROLLER_NODES__#${ROLE2NODES['controller']:-}#g;
+       s#__NODELIST__#${NODELIST}#g;
+       s#__DISPATCHER_INT_IP__#${DISPATCHER_INT_IP}#g;
+       s#__KEEPBALANCE_INT_IP__#${KEEPBALANCE_INT_IP}#g;
+       s#__COMPUTE_AMI__#${COMPUTE_AMI:-}#g;
+       s#__COMPUTE_SG__#${COMPUTE_SG:-}#g;
+       s#__COMPUTE_SUBNET__#${COMPUTE_SUBNET:-}#g;
+       s#__COMPUTE_AWS_REGION__#${COMPUTE_AWS_REGION:-}#g;
+       s#__COMPUTE_USER__#${COMPUTE_USER:-}#g;
+       s#__KEEP_AWS_S3_BUCKET__#${KEEP_AWS_S3_BUCKET:-}#g;
+       s#__KEEP_AWS_IAM_ROLE__#${KEEP_AWS_IAM_ROLE:-}#g;
+       s#__KEEP_AWS_REGION__#${KEEP_AWS_REGION:-}#g" \
+  "${SRCFILE}" > "${DSTFILE}"
+}
+
 DEV_MODE="no"
 CONFIG_FILE="${SCRIPT_DIR}/local.params"
 CONFIG_DIR="local_config_dir"
@@ -164,12 +239,13 @@ LOG_LEVEL="info"
 CONTROLLER_EXT_SSL_PORT=443
 TESTS_DIR="tests"
 
+NGINX_INSTALL_SOURCE="install_from_repo"
+
 CLUSTER=""
 DOMAIN=""
 
 # Hostnames/IPs used for single-host deploys
-HOSTNAME_EXT=""
-HOSTNAME_INT="127.0.1.1"
+IP_INT="127.0.1.1"
 
 # Initial user setup
 INITIAL_USER=""
@@ -185,8 +261,11 @@ WEBSOCKET_EXT_SSL_PORT=8002
 WORKBENCH1_EXT_SSL_PORT=443
 WORKBENCH2_EXT_SSL_PORT=3001
 
-USE_LETSENCRYPT="no"
-CUSTOM_CERTS_DIR="${SCRIPT_DIR}/certs"
+SSL_MODE="self-signed"
+USE_LETSENCRYPT_ROUTE53="no"
+CUSTOM_CERTS_DIR="${SCRIPT_DIR}/local_config_dir/certs"
+
+GRAFANA_DASHBOARDS_DIR="${SCRIPT_DIR}/local_config_dir/dashboards"
 
 ## These are ARVADOS-related parameters
 # For a stable release, change RELEASE "production" and VERSION to the
@@ -203,35 +282,43 @@ VERSION="latest"
 # ARVADOS_TAG="2.2.0"
 # BRANCH="main"
 
+# We pin the salt version to avoid potential incompatibilities when a new
+# stable version is released.
+SALT_VERSION="3004"
+
 # Other formula versions we depend on
-POSTGRES_TAG="v0.43.0"
-NGINX_TAG="temp-fix-missing-statements-in-pillar"
-DOCKER_TAG="v2.0.7"
+#POSTGRES_TAG="v0.44.0"
+#POSTGRES_URL="https://github.com/saltstack-formulas/postgres-formula.git"
+POSTGRES_TAG="0.45.0-bugfix327"
+POSTGRES_URL="https://github.com/arvados/postgres-formula.git"
+NGINX_TAG="v2.8.1"
+DOCKER_TAG="v2.4.2"
 LOCALE_TAG="v0.3.4"
 LETSENCRYPT_TAG="v2.1.0"
+LOGROTATE_TAG="v0.14.0"
+PROMETHEUS_TAG="v5.6.5"
+GRAFANA_TAG="v3.1.3"
 
 # Salt's dir
 DUMP_SALT_CONFIG_DIR=""
 ## states
 S_DIR="/srv/salt"
+STATES_TOP=${S_DIR}/top.sls
 ## formulas
 F_DIR="/srv/formulas"
 ## pillars
 P_DIR="/srv/pillars"
+PILLARS_TOP=${P_DIR}/top.sls
 ## tests
 T_DIR="/tmp/cluster_tests"
 
 arguments ${@}
 
-if [ -s ${CONFIG_FILE} ]; then
-  source ${CONFIG_FILE}
-else
-  echo >&2 "You don't seem to have a config file with initial values."
-  echo >&2 "Please create a '${CONFIG_FILE}' file as described in"
-  echo >&2 "  * https://doc.arvados.org/install/salt-single-host.html#single_host, or"
-  echo >&2 "  * https://doc.arvados.org/install/salt-multi-host.html#multi_host_multi_hostnames"
-  exit 1
-fi
+declare -A NODES
+declare -A ROLE2NODES
+declare NODELIST
+
+source common.sh
 
 if [ ! -d ${CONFIG_DIR} ]; then
   echo >&2 "You don't seem to have a config directory with pillars and states."
@@ -241,21 +328,35 @@ if [ ! -d ${CONFIG_DIR} ]; then
   exit 1
 fi
 
-if grep -q 'fixme_or_this_wont_work' ${CONFIG_FILE} ; then
-  echo >&2 "The config file ${CONFIG_FILE} has some parameters that need to be modified."
+if grep -rni 'fixme' ${CONFIG_FILE}.secrets ${CONFIG_FILE} ${CONFIG_DIR} ; then
+  echo >&2 "The config files has some parameters that need to be modified."
   echo >&2 "Please, fix them and re-run the provision script."
   exit 1
 fi
 
 if ! grep -qE '^[[:alnum:]]{5}$' <<<${CLUSTER} ; then
-  echo >&2 "ERROR: <CLUSTER> must be exactly 5 alphanumeric characters long"
+  echo >&2 "ERROR: <CLUSTER> must be exactly 5 lowercase alphanumeric characters long"
   echo >&2 "Fix the cluster name in the 'local.params' file and re-run the provision script"
   exit 1
 fi
 
 # Only used in single_host/single_name deploys
-if [ "x${HOSTNAME_EXT}" = "x" ] ; then
-  HOSTNAME_EXT="${CLUSTER}.${DOMAIN}"
+if [ ! -z "${HOSTNAME_EXT:-}" ] ; then
+  # We need to add some extra control vars to manage a single certificate vs. multiple
+  USE_SINGLE_HOSTNAME="yes"
+  # Make sure that the value configured as IP_INT is a real IP on the system.
+  # If we don't error out early here when there is a mismatch, the formula will
+  # fail with hard to interpret nginx errors later on.
+  ip addr list |grep "${IP_INT}/" >/dev/null
+  if [[ $? -ne 0 ]]; then
+    echo "Unable to find the IP_INT address '${IP_INT}' on the system, please correct the value in local.params. Exiting..."
+    exit 1
+  fi
+else
+  USE_SINGLE_HOSTNAME="no"
+  # We set this variable, anyway, so sed lines do not fail and we don't need to add more
+  # conditionals
+  HOSTNAME_EXT="${DOMAIN}"
 fi
 
 if [ "${DUMP_CONFIG}" = "yes" ]; then
@@ -269,12 +370,15 @@ else
   case ${OS_ID} in
     "centos")
       echo "WARNING! Disabling SELinux, see https://dev.arvados.org/issues/18019"
-      sed -i 's/SELINUX=enforcing/SELINUX=permissive' /etc/sysconfig/selinux
+      sed -i 's/SELINUX=enforcing/SELINUX=permissive/g' /etc/sysconfig/selinux
       setenforce permissive
       yum install -y  curl git jq
       ;;
     "debian"|"ubuntu")
-      DEBIAN_FRONTEND=noninteractive apt update
+      # Wait 2 minutes for any apt locks to clear
+      # This option is supported from apt 1.9.1 and ignored in older apt versions.
+      # Cf. https://blog.sinjakli.co.uk/2021/10/25/waiting-for-apt-locks-without-the-hacky-bash-scripts/
+      DEBIAN_FRONTEND=noninteractive apt -o DPkg::Lock::Timeout=120 update
       DEBIAN_FRONTEND=noninteractive apt install -y curl git jq
       ;;
   esac
@@ -283,7 +387,7 @@ else
     echo "Salt already installed"
   else
     curl -L https://bootstrap.saltstack.com -o /tmp/bootstrap_salt.sh
-    sh /tmp/bootstrap_salt.sh -XdfP -x python3
+    sh /tmp/bootstrap_salt.sh -XdfP -x python3 old-stable ${SALT_VERSION}
     /bin/systemctl stop salt-minion.service
     /bin/systemctl disable salt-minion.service
   fi
@@ -309,38 +413,64 @@ mkdir -p ${S_DIR} ${F_DIR} ${P_DIR} ${T_DIR}
 # Get the formula and dependencies
 cd ${F_DIR} || exit 1
 echo "Cloning formulas"
-rm -rf ${F_DIR}/* || exit 1
-git clone --quiet https://github.com/saltstack-formulas/docker-formula.git ${F_DIR}/docker
-( cd docker && git checkout --quiet tags/"${DOCKER_TAG}" -b "${DOCKER_TAG}" )
-
-git clone --quiet https://github.com/saltstack-formulas/locale-formula.git ${F_DIR}/locale
-( cd locale && git checkout --quiet tags/"${LOCALE_TAG}" -b "${LOCALE_TAG}" )
-
-git clone --quiet https://github.com/netmanagers/nginx-formula.git ${F_DIR}/nginx
-( cd nginx && git checkout --quiet tags/"${NGINX_TAG}" -b "${NGINX_TAG}" )
-
-git clone --quiet https://github.com/saltstack-formulas/postgres-formula.git ${F_DIR}/postgres
-( cd postgres && git checkout --quiet tags/"${POSTGRES_TAG}" -b "${POSTGRES_TAG}" )
-
-git clone --quiet https://github.com/saltstack-formulas/letsencrypt-formula.git ${F_DIR}/letsencrypt
-( cd letsencrypt && git checkout --quiet tags/"${LETSENCRYPT_TAG}" -b "${LETSENCRYPT_TAG}" )
-
-git clone --quiet https://git.arvados.org/arvados-formula.git ${F_DIR}/arvados
+test -d docker && ( cd docker && git fetch ) \
+  || git clone --quiet https://github.com/saltstack-formulas/docker-formula.git ${F_DIR}/docker
+( cd docker && git checkout --quiet tags/"${DOCKER_TAG}" )
+
+echo "...locale"
+test -d locale && ( cd locale && git fetch ) \
+  || git clone --quiet https://github.com/saltstack-formulas/locale-formula.git ${F_DIR}/locale
+( cd locale && git checkout --quiet tags/"${LOCALE_TAG}" )
+
+echo "...nginx"
+test -d nginx && ( cd nginx && git fetch ) \
+  || git clone --quiet https://github.com/saltstack-formulas/nginx-formula.git ${F_DIR}/nginx
+( cd nginx && git checkout --quiet tags/"${NGINX_TAG}" )
+
+echo "...postgres"
+test -d postgres && ( cd postgres && git fetch ) \
+  || git clone --quiet ${POSTGRES_URL} ${F_DIR}/postgres
+( cd postgres && git checkout --quiet tags/"${POSTGRES_TAG}" )
+
+echo "...prometheus"
+test -d prometheus && ( cd prometheus && git fetch ) \
+  || git clone --quiet https://github.com/saltstack-formulas/prometheus-formula.git ${F_DIR}/prometheus
+( cd prometheus && git checkout --quiet tags/"${PROMETHEUS_TAG}" )
+
+echo "...grafana"
+test -d grafana && ( cd grafana && git fetch ) \
+  || git clone --quiet https://github.com/saltstack-formulas/grafana-formula.git ${F_DIR}/grafana
+( cd grafana && git checkout --quiet "${GRAFANA_TAG}" )
+
+echo "...letsencrypt"
+test -d letsencrypt && ( cd letsencrypt && git fetch ) \
+  || git clone --quiet https://github.com/saltstack-formulas/letsencrypt-formula.git ${F_DIR}/letsencrypt
+( cd letsencrypt && git checkout --quiet tags/"${LETSENCRYPT_TAG}" )
+
+echo "...logrotate"
+test -d logrotate && ( cd logrotate && git fetch ) \
+  || git clone --quiet https://github.com/saltstack-formulas/logrotate-formula.git ${F_DIR}/logrotate
+( cd logrotate && git checkout --quiet tags/"${LOGROTATE_TAG}" )
+
+echo "...arvados"
+test -d arvados || git clone --quiet https://git.arvados.org/arvados-formula.git ${F_DIR}/arvados
 
 # If we want to try a specific branch of the formula
-if [ "x${BRANCH}" != "x" ]; then
+if [[ ! -z "${BRANCH:-}" && "x${BRANCH}" != "xmain" ]]; then
   ( cd ${F_DIR}/arvados && git checkout --quiet -t origin/"${BRANCH}" -b "${BRANCH}" )
-elif [ "x${ARVADOS_TAG}" != "x" ]; then
-( cd ${F_DIR}/arvados && git checkout --quiet tags/"${ARVADOS_TAG}" -b "${ARVADOS_TAG}" )
+elif [ "x${ARVADOS_TAG:-}" != "x" ]; then
+  ( cd ${F_DIR}/arvados && git checkout --quiet tags/"${ARVADOS_TAG}" -b "${ARVADOS_TAG}" )
 fi
 
-if [ "x${VAGRANT}" = "xyes" ]; then
+if [ "x${VAGRANT:-}" = "xyes" ]; then
   EXTRA_STATES_DIR="/home/vagrant/${CONFIG_DIR}/states"
   SOURCE_PILLARS_DIR="/home/vagrant/${CONFIG_DIR}/pillars"
+  SOURCE_TOFS_DIR="/home/vagrant/${CONFIG_DIR}/tofs"
   SOURCE_TESTS_DIR="/home/vagrant/${TESTS_DIR}"
 else
   EXTRA_STATES_DIR="${SCRIPT_DIR}/${CONFIG_DIR}/states"
   SOURCE_PILLARS_DIR="${SCRIPT_DIR}/${CONFIG_DIR}/pillars"
+  SOURCE_TOFS_DIR="${SCRIPT_DIR}/${CONFIG_DIR}/tofs"
   SOURCE_TESTS_DIR="${SCRIPT_DIR}/${TESTS_DIR}"
 fi
 
@@ -355,105 +485,45 @@ if [ ! -d "${SOURCE_PILLARS_DIR}" ]; then
   exit 1
 fi
 for f in $(ls "${SOURCE_PILLARS_DIR}"/*); do
-  sed "s#__ANONYMOUS_USER_TOKEN__#${ANONYMOUS_USER_TOKEN}#g;
-       s#__BLOB_SIGNING_KEY__#${BLOB_SIGNING_KEY}#g;
-       s#__CONTROLLER_EXT_SSL_PORT__#${CONTROLLER_EXT_SSL_PORT}#g;
-       s#__CLUSTER__#${CLUSTER}#g;
-       s#__DOMAIN__#${DOMAIN}#g;
-       s#__HOSTNAME_EXT__#${HOSTNAME_EXT}#g;
-       s#__HOSTNAME_INT__#${HOSTNAME_INT}#g;
-       s#__INITIAL_USER_EMAIL__#${INITIAL_USER_EMAIL}#g;
-       s#__INITIAL_USER_PASSWORD__#${INITIAL_USER_PASSWORD}#g;
-       s#__INITIAL_USER__#${INITIAL_USER}#g;
-       s#__LE_AWS_REGION__#${LE_AWS_REGION}#g;
-       s#__LE_AWS_SECRET_ACCESS_KEY__#${LE_AWS_SECRET_ACCESS_KEY}#g;
-       s#__LE_AWS_ACCESS_KEY_ID__#${LE_AWS_ACCESS_KEY_ID}#g;
-       s#__DATABASE_PASSWORD__#${DATABASE_PASSWORD}#g;
-       s#__KEEPWEB_EXT_SSL_PORT__#${KEEPWEB_EXT_SSL_PORT}#g;
-       s#__KEEP_EXT_SSL_PORT__#${KEEP_EXT_SSL_PORT}#g;
-       s#__MANAGEMENT_TOKEN__#${MANAGEMENT_TOKEN}#g;
-       s#__RELEASE__#${RELEASE}#g;
-       s#__SYSTEM_ROOT_TOKEN__#${SYSTEM_ROOT_TOKEN}#g;
-       s#__VERSION__#${VERSION}#g;
-       s#__WEBSHELL_EXT_SSL_PORT__#${WEBSHELL_EXT_SSL_PORT}#g;
-       s#__WEBSOCKET_EXT_SSL_PORT__#${WEBSOCKET_EXT_SSL_PORT}#g;
-       s#__WORKBENCH1_EXT_SSL_PORT__#${WORKBENCH1_EXT_SSL_PORT}#g;
-       s#__WORKBENCH2_EXT_SSL_PORT__#${WORKBENCH2_EXT_SSL_PORT}#g;
-       s#__CLUSTER_INT_CIDR__#${CLUSTER_INT_CIDR}#g;
-       s#__CONTROLLER_INT_IP__#${CONTROLLER_INT_IP}#g;
-       s#__WEBSOCKET_INT_IP__#${WEBSOCKET_INT_IP}#g;
-       s#__KEEP_INT_IP__#${KEEP_INT_IP}#g;
-       s#__KEEPSTORE0_INT_IP__#${KEEPSTORE0_INT_IP}#g;
-       s#__KEEPSTORE1_INT_IP__#${KEEPSTORE1_INT_IP}#g;
-       s#__KEEPWEB_INT_IP__#${KEEPWEB_INT_IP}#g;
-       s#__WEBSHELL_INT_IP__#${WEBSHELL_INT_IP}#g;
-       s#__SHELL_INT_IP__#${SHELL_INT_IP}#g;
-       s#__WORKBENCH1_INT_IP__#${WORKBENCH1_INT_IP}#g;
-       s#__WORKBENCH2_INT_IP__#${WORKBENCH2_INT_IP}#g;
-       s#__DATABASE_INT_IP__#${DATABASE_INT_IP}#g;
-       s#__WORKBENCH_SECRET_KEY__#${WORKBENCH_SECRET_KEY}#g" \
-  "${f}" > "${P_DIR}"/$(basename "${f}")
+  apply_var_substitutions "${f}" "${P_DIR}"/$(basename "${f}")
 done
 
-if [ "x${TEST}" = "xyes" ] && [ ! -d "${SOURCE_TESTS_DIR}" ]; then
-  echo "You requested to run tests, but ${SOURCE_TESTS_DIR} does not exist or is not a directory. Exiting."
-  exit 1
+if [ ! -d "${SOURCE_TESTS_DIR}" ]; then
+  echo "WARNING: The tests directory was not copied to \"${SOURCE_TESTS_DIR}\"."
+  if [ "x${TEST:-}" = "xyes" ]; then
+    echo "WARNING: Disabling tests for this installation."
+  fi
+  TEST="no"
+else
+  mkdir -p ${T_DIR}
+  # Replace cluster and domain name in the test files
+  for f in $(ls "${SOURCE_TESTS_DIR}"/*); do
+    FILTERS="s#__CLUSTER__#${CLUSTER}#g;
+         s#__CONTROLLER_EXT_SSL_PORT__#${CONTROLLER_EXT_SSL_PORT}#g;
+         s#__DOMAIN__#${DOMAIN}#g;
+         s#__IP_INT__#${IP_INT}#g;
+         s#__INITIAL_USER_EMAIL__#${INITIAL_USER_EMAIL}#g;
+         s#__INITIAL_USER_PASSWORD__#${INITIAL_USER_PASSWORD}#g
+         s#__INITIAL_USER__#${INITIAL_USER}#g;
+         s#__DATABASE_PASSWORD__#${DATABASE_PASSWORD}#g;
+         s#__SYSTEM_ROOT_TOKEN__#${SYSTEM_ROOT_TOKEN}#g"
+    if [ "$USE_SINGLE_HOSTNAME" = "yes" ]; then
+      FILTERS="s#__CLUSTER__.__DOMAIN__#${HOSTNAME_EXT}#g;
+         $FILTERS"
+    fi
+    sed "$FILTERS" \
+      "${f}" > ${T_DIR}/$(basename "${f}")
+  done
+  chmod 755 ${T_DIR}/run-test.sh
 fi
-mkdir -p ${T_DIR}
-# Replace cluster and domain name in the test files
-for f in $(ls "${SOURCE_TESTS_DIR}"/*); do
-  sed "s#__CLUSTER__#${CLUSTER}#g;
-       s#__CONTROLLER_EXT_SSL_PORT__#${CONTROLLER_EXT_SSL_PORT}#g;
-       s#__DOMAIN__#${DOMAIN}#g;
-       s#__HOSTNAME_INT__#${HOSTNAME_INT}#g;
-       s#__INITIAL_USER_EMAIL__#${INITIAL_USER_EMAIL}#g;
-       s#__INITIAL_USER_PASSWORD__#${INITIAL_USER_PASSWORD}#g
-       s#__INITIAL_USER__#${INITIAL_USER}#g;
-       s#__DATABASE_PASSWORD__#${DATABASE_PASSWORD}#g;
-       s#__SYSTEM_ROOT_TOKEN__#${SYSTEM_ROOT_TOKEN}#g" \
-  "${f}" > ${T_DIR}/$(basename "${f}")
-done
-chmod 755 ${T_DIR}/run-test.sh
 
 # Replace helper state files that differ from the formula's examples
 if [ -d "${SOURCE_STATES_DIR}" ]; then
   mkdir -p "${F_DIR}"/extra/extra
+  rm -rf "${F_DIR}"/extra/extra/*
 
   for f in $(ls "${SOURCE_STATES_DIR}"/*); do
-    sed "s#__ANONYMOUS_USER_TOKEN__#${ANONYMOUS_USER_TOKEN}#g;
-         s#__CLUSTER__#${CLUSTER}#g;
-         s#__BLOB_SIGNING_KEY__#${BLOB_SIGNING_KEY}#g;
-         s#__CONTROLLER_EXT_SSL_PORT__#${CONTROLLER_EXT_SSL_PORT}#g;
-         s#__DOMAIN__#${DOMAIN}#g;
-         s#__HOSTNAME_EXT__#${HOSTNAME_EXT}#g;
-         s#__HOSTNAME_INT__#${HOSTNAME_INT}#g;
-         s#__INITIAL_USER_EMAIL__#${INITIAL_USER_EMAIL}#g;
-         s#__INITIAL_USER_PASSWORD__#${INITIAL_USER_PASSWORD}#g;
-         s#__INITIAL_USER__#${INITIAL_USER}#g;
-         s#__DATABASE_PASSWORD__#${DATABASE_PASSWORD}#g;
-         s#__KEEPWEB_EXT_SSL_PORT__#${KEEPWEB_EXT_SSL_PORT}#g;
-         s#__KEEP_EXT_SSL_PORT__#${KEEP_EXT_SSL_PORT}#g;
-         s#__MANAGEMENT_TOKEN__#${MANAGEMENT_TOKEN}#g;
-         s#__RELEASE__#${RELEASE}#g;
-         s#__SYSTEM_ROOT_TOKEN__#${SYSTEM_ROOT_TOKEN}#g;
-         s#__VERSION__#${VERSION}#g;
-         s#__CLUSTER_INT_CIDR__#${CLUSTER_INT_CIDR}#g;
-         s#__CONTROLLER_INT_IP__#${CONTROLLER_INT_IP}#g;
-         s#__WEBSOCKET_INT_IP__#${WEBSOCKET_INT_IP}#g;
-         s#__KEEP_INT_IP__#${KEEP_INT_IP}#g;
-         s#__KEEPSTORE0_INT_IP__#${KEEPSTORE0_INT_IP}#g;
-         s#__KEEPSTORE1_INT_IP__#${KEEPSTORE1_INT_IP}#g;
-         s#__KEEPWEB_INT_IP__#${KEEPWEB_INT_IP}#g;
-         s#__WEBSHELL_INT_IP__#${WEBSHELL_INT_IP}#g;
-         s#__WORKBENCH1_INT_IP__#${WORKBENCH1_INT_IP}#g;
-         s#__WORKBENCH2_INT_IP__#${WORKBENCH2_INT_IP}#g;
-         s#__DATABASE_INT_IP__#${DATABASE_INT_IP}#g;
-         s#__WEBSHELL_EXT_SSL_PORT__#${WEBSHELL_EXT_SSL_PORT}#g;
-         s#__WEBSOCKET_EXT_SSL_PORT__#${WEBSOCKET_EXT_SSL_PORT}#g;
-         s#__WORKBENCH1_EXT_SSL_PORT__#${WORKBENCH1_EXT_SSL_PORT}#g;
-         s#__WORKBENCH2_EXT_SSL_PORT__#${WORKBENCH2_EXT_SSL_PORT}#g;
-         s#__WORKBENCH_SECRET_KEY__#${WORKBENCH_SECRET_KEY}#g" \
-    "${f}" > "${F_DIR}/extra/extra"/$(basename "${f}")
+    apply_var_substitutions "${f}" "${F_DIR}/extra/extra"/$(basename "${f}")
   done
 fi
 
@@ -461,15 +531,21 @@ fi
 # As we need to separate both states and pillars in case we want specific
 # roles, we iterate on both at the same time
 
+# Formula template overrides (TOFS)
+# See: https://template-formula.readthedocs.io/en/latest/TOFS_pattern.html#template-override
+if [ -d ${SOURCE_TOFS_DIR} ]; then
+  find ${SOURCE_TOFS_DIR} -mindepth 1 -maxdepth 1 -type d -exec cp -r "{}" ${S_DIR} \;
+fi
+
 # States
-cat > ${S_DIR}/top.sls << EOFTSLS
+cat > ${STATES_TOP} << EOFTSLS
 base:
   '*':
     - locale
 EOFTSLS
 
 # Pillars
-cat > ${P_DIR}/top.sls << EOFPSLS
+cat > ${PILLARS_TOP} << EOFPSLS
 base:
   '*':
     - locale
@@ -478,229 +554,430 @@ EOFPSLS
 
 # States, extra states
 if [ -d "${F_DIR}"/extra/extra ]; then
-  if [ "$DEV_MODE" = "yes" ]; then
+  SKIP_SNAKE_OIL="snakeoil_certs"
+
+  if [[ "$DEV_MODE" = "yes" || "${SSL_MODE}" == "self-signed" ]] ; then
     # In dev mode, we create some snake oil certs that we'll
-    # use as CUSTOM_CERTS, so we don't skip the states file
-    SKIP_SNAKE_OIL="dont_snakeoil_certs"
-  else
-    SKIP_SNAKE_OIL="snakeoil_certs"
+    # use as CUSTOM_CERTS, so we don't skip the states file.
+    # Same when using self-signed certificates.
+    SKIP_SNAKE_OIL="dont_add_snakeoil_certs"
   fi
-  for f in $(ls "${F_DIR}"/extra/extra/*.sls | grep -v ${SKIP_SNAKE_OIL}); do
-  echo "    - extra.$(basename ${f} | sed 's/.sls$//g')" >> ${S_DIR}/top.sls
+  for f in $(ls "${F_DIR}"/extra/extra/*.sls | egrep -v "${SKIP_SNAKE_OIL}|shell_"); do
+  echo "    - extra.$(basename ${f} | sed 's/.sls$//g')" >> ${STATES_TOP}
   done
-  # Use custom certs
-  if [ "x${USE_LETSENCRYPT}" != "xyes" ]; then
+  # Use byo or self-signed certificates
+  if [ "${SSL_MODE}" != "lets-encrypt" ]; then
     mkdir -p "${F_DIR}"/extra/extra/files
   fi
 fi
 
 # If we want specific roles for a node, just add the desired states
 # and its dependencies
-if [ -z "${ROLES}" ]; then
+if [ -z "${ROLES:-}" ]; then
   # States
-  echo "    - nginx.passenger" >> ${S_DIR}/top.sls
-  # Currently, only available on config_examples/multi_host/aws
-  if [ "x${USE_LETSENCRYPT}" = "xyes" ]; then
-    if [ "x${USE_LETSENCRYPT_IAM_USER}" != "xyes" ]; then
-      grep -q "aws_credentials" ${S_DIR}/top.sls || echo "    - extra.aws_credentials" >> ${S_DIR}/top.sls
+  echo "    - nginx.passenger" >> ${STATES_TOP}
+  if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+    if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
+      grep -q "aws_credentials" ${STATES_TOP} || echo "    - extra.aws_credentials" >> ${STATES_TOP}
     fi
-    grep -q "letsencrypt"     ${S_DIR}/top.sls || echo "    - letsencrypt" >> ${S_DIR}/top.sls
+    grep -q "letsencrypt" ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
   else
-    # Use custom certs
-    # Copy certs to formula extra/files
-    # In dev mode, the files will be created and put in the destination directory by the
-    # snakeoil_certs.sls state file
-    mkdir -p /srv/salt/certs
-    cp -rv ${CUSTOM_CERTS_DIR}/* /srv/salt/certs/
-    # We add the custom_certs state
-    grep -q "custom_certs"    ${S_DIR}/top.sls || echo "    - extra.custom_certs" >> ${S_DIR}/top.sls
+    mkdir -p --mode=0700 /srv/salt/certs
+    if [ "${SSL_MODE}" = "bring-your-own" ]; then
+      # Copy certs to formula extra/files
+      install --mode=0600 ${CUSTOM_CERTS_DIR}/* /srv/salt/certs/
+      # We add the custom_certs state
+      grep -q "custom_certs" ${STATES_TOP} || echo "    - extra.custom_certs" >> ${STATES_TOP}
+      if [ "${SSL_KEY_ENCRYPTED}" = "yes" ]; then
+        grep -q "ssl_key_encrypted" ${STATES_TOP} || echo "    - extra.ssl_key_encrypted" >> ${STATES_TOP}
+      fi
+    fi
+    # In self-signed mode, the certificate files will be created and put in the
+    # destination directory by the snakeoil_certs.sls state file
   fi
 
-  echo "    - postgres" >> ${S_DIR}/top.sls
-  echo "    - docker.software" >> ${S_DIR}/top.sls
-  echo "    - arvados" >> ${S_DIR}/top.sls
+  echo "    - postgres" >> ${STATES_TOP}
+  echo "    - logrotate" >> ${STATES_TOP}
+  echo "    - docker.software" >> ${STATES_TOP}
+  echo "    - arvados" >> ${STATES_TOP}
+  echo "    - extra.shell_sudo_passwordless" >> ${STATES_TOP}
+  echo "    - extra.shell_cron_add_login_sync" >> ${STATES_TOP}
+  echo "    - extra.passenger_rvm" >> ${STATES_TOP}
 
   # Pillars
-  echo "    - docker" >> ${P_DIR}/top.sls
-  echo "    - nginx_api_configuration" >> ${P_DIR}/top.sls
-  echo "    - nginx_controller_configuration" >> ${P_DIR}/top.sls
-  echo "    - nginx_keepproxy_configuration" >> ${P_DIR}/top.sls
-  echo "    - nginx_keepweb_configuration" >> ${P_DIR}/top.sls
-  echo "    - nginx_passenger" >> ${P_DIR}/top.sls
-  echo "    - nginx_websocket_configuration" >> ${P_DIR}/top.sls
-  echo "    - nginx_webshell_configuration" >> ${P_DIR}/top.sls
-  echo "    - nginx_workbench2_configuration" >> ${P_DIR}/top.sls
-  echo "    - nginx_workbench_configuration" >> ${P_DIR}/top.sls
-  echo "    - postgresql" >> ${P_DIR}/top.sls
-
-  # Currently, only available on config_examples/multi_host/aws
-  if [ "x${USE_LETSENCRYPT}" = "xyes" ]; then
-    if [ "x${USE_LETSENCRYPT_IAM_USER}" != "xyes" ]; then
-      grep -q "aws_credentials" ${P_DIR}/top.sls || echo "    - aws_credentials" >> ${P_DIR}/top.sls
+  echo "    - docker" >> ${PILLARS_TOP}
+  echo "    - nginx_api_configuration" >> ${PILLARS_TOP}
+  echo "    - logrotate_api" >> ${PILLARS_TOP}
+  echo "    - nginx_controller_configuration" >> ${PILLARS_TOP}
+  echo "    - nginx_keepproxy_configuration" >> ${PILLARS_TOP}
+  echo "    - nginx_keepweb_configuration" >> ${PILLARS_TOP}
+  echo "    - nginx_passenger" >> ${PILLARS_TOP}
+  echo "    - nginx_websocket_configuration" >> ${PILLARS_TOP}
+  echo "    - nginx_webshell_configuration" >> ${PILLARS_TOP}
+  echo "    - nginx_workbench2_configuration" >> ${PILLARS_TOP}
+  echo "    - nginx_workbench_configuration" >> ${PILLARS_TOP}
+  echo "    - logrotate_wb1" >> ${PILLARS_TOP}
+  echo "    - postgresql" >> ${PILLARS_TOP}
+
+  # We need to tweak the Nginx's pillar depending whether we want plan nginx or nginx+passenger
+  NGINX_INSTALL_SOURCE="install_from_phusionpassenger"
+  sed -i "s/__NGINX_INSTALL_SOURCE__/${NGINX_INSTALL_SOURCE}/g" ${P_DIR}/nginx_passenger.sls
+
+  if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+    if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
+      grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
     fi
-    grep -q "letsencrypt"     ${P_DIR}/top.sls || echo "    - letsencrypt" >> ${P_DIR}/top.sls
+    grep -q "letsencrypt" ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
 
-    # As the pillar differ whether we use LE or custom certs, we need to do a final edition on them
-    for c in controller websocket workbench workbench2 webshell download collections keepproxy; do
-      sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${c}.${CLUSTER}.${DOMAIN}*/g;
-              s#__CERT_PEM__#/etc/letsencrypt/live/${c}.${CLUSTER}.${DOMAIN}/fullchain.pem#g;
-              s#__CERT_KEY__#/etc/letsencrypt/live/${c}.${CLUSTER}.${DOMAIN}/privkey.pem#g" \
+    hosts=("controller" "websocket" "workbench" "workbench2" "webshell" "keepproxy")
+    if [ ${USE_SINGLE_HOSTNAME} = "no" ]; then
+      hosts+=("download" "collections")
+    else
+      hosts+=("keepweb")
+    fi
+
+    for c in "${hosts[@]}"; do
+      # Are we in a single-host-single-hostname env?
+      if [ "${USE_SINGLE_HOSTNAME}" = "yes" ]; then
+        # Are we in a single-host-single-hostname env?
+        CERT_NAME=${HOSTNAME_EXT}
+      else
+        # We are in a multiple-hostnames env
+        CERT_NAME=${c}.${DOMAIN}
+      fi
+
+      # As the pillar differs whether we use LE or custom certs, we need to do a final edition on them
+      sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${CERT_NAME}*/g;
+              s#__CERT_PEM__#/etc/letsencrypt/live/${CERT_NAME}/fullchain.pem#g;
+              s#__CERT_KEY__#/etc/letsencrypt/live/${CERT_NAME}/privkey.pem#g" \
       ${P_DIR}/nginx_${c}_configuration.sls
     done
   else
     # Use custom certs (either dev mode or prod)
-    grep -q "extra_custom_certs" ${P_DIR}/top.sls || echo "    - extra_custom_certs" >> ${P_DIR}/top.sls
+    grep -q "extra_custom_certs" ${PILLARS_TOP} || echo "    - extra_custom_certs" >> ${PILLARS_TOP}
     # And add the certs in the custom_certs pillar
     echo "extra_custom_certs_dir: /srv/salt/certs" > ${P_DIR}/extra_custom_certs.sls
     echo "extra_custom_certs:" >> ${P_DIR}/extra_custom_certs.sls
 
-    for c in controller websocket workbench workbench2 webshell download collections keepproxy; do
-      grep -q ${c} ${P_DIR}/extra_custom_certs.sls || echo "  - ${c}" >> ${P_DIR}/extra_custom_certs.sls
-
-      # As the pillar differ whether we use LE or custom certs, we need to do a final edition on them
-      sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_file_copy_arvados-${c}.pem/g;
-              s#__CERT_PEM__#/etc/nginx/ssl/arvados-${c}.pem#g;
-              s#__CERT_KEY__#/etc/nginx/ssl/arvados-${c}.key#g" \
+    for c in controller websocket workbench workbench2 webshell keepweb keepproxy; do
+      # Are we in a single-host-single-hostname env?
+      if [ "${USE_SINGLE_HOSTNAME}" = "yes" ]; then
+        # Are we in a single-host-single-hostname env?
+        CERT_NAME=${HOSTNAME_EXT}
+      else
+        # We are in a multiple-hostnames env
+        CERT_NAME=${c}
+      fi
+
+      if [[ "$SSL_MODE" == "bring-your-own" ]]; then
+        copy_custom_cert ${CUSTOM_CERTS_DIR} ${CERT_NAME}
+      fi
+
+      grep -q ${CERT_NAME} ${P_DIR}/extra_custom_certs.sls || echo "  - ${CERT_NAME}" >> ${P_DIR}/extra_custom_certs.sls
+
+      # As the pillar differs whether we use LE or custom certs, we need to do a final edition on them
+      sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${CERT_NAME}_cert_file_copy/g;
+              s#__CERT_PEM__#/etc/nginx/ssl/arvados-${CERT_NAME}.pem#g;
+              s#__CERT_KEY__#/etc/nginx/ssl/arvados-${CERT_NAME}.key#g" \
       ${P_DIR}/nginx_${c}_configuration.sls
     done
   fi
 else
   # If we add individual roles, make sure we add the repo first
-  echo "    - arvados.repo" >> ${S_DIR}/top.sls
-  # We add the custom_certs state
-  grep -q "custom_certs"    ${S_DIR}/top.sls || echo "    - extra.custom_certs" >> ${S_DIR}/top.sls
+  echo "    - arvados.repo" >> ${STATES_TOP}
+  # We add the extra_custom_certs state
+  grep -q "extra.custom_certs"    ${STATES_TOP} || echo "    - extra.custom_certs" >> ${STATES_TOP}
+  if [ "${SSL_KEY_ENCRYPTED}" = "yes" ]; then
+    grep -q "ssl_key_encrypted" ${STATES_TOP} || echo "    - extra.ssl_key_encrypted" >> ${STATES_TOP}
+  fi
 
   # And we add the basic part for the certs pillar
-  if [ "x${USE_LETSENCRYPT}" != "xyes" ]; then
+  if [ "${SSL_MODE}" != "lets-encrypt" ]; then
     # And add the certs in the custom_certs pillar
     echo "extra_custom_certs_dir: /srv/salt/certs" > ${P_DIR}/extra_custom_certs.sls
     echo "extra_custom_certs:" >> ${P_DIR}/extra_custom_certs.sls
-    grep -q "extra_custom_certs" ${P_DIR}/top.sls || echo "    - extra_custom_certs" >> ${P_DIR}/top.sls
+    grep -q "extra_custom_certs" ${PILLARS_TOP} || echo "    - extra_custom_certs" >> ${PILLARS_TOP}
   fi
 
-  for R in ${ROLES}; do
+  # Prometheus state on all nodes due to the node exporter below
+  grep -q "\- prometheus$" ${STATES_TOP} || echo "    - prometheus" >> ${STATES_TOP}
+  # Prometheus node exporter pillar
+  grep -q "prometheus_node_exporter" ${PILLARS_TOP} || echo "    - prometheus_node_exporter" >> ${PILLARS_TOP}
+
+  for R in ${ROLES:-}; do
     case "${R}" in
       "database")
         # States
-        echo "    - postgres" >> ${S_DIR}/top.sls
+        grep -q "\- postgres$" ${STATES_TOP} || echo "    - postgres" >> ${STATES_TOP}
+        grep -q "extra.prometheus_pg_exporter" ${STATES_TOP} || echo "    - extra.prometheus_pg_exporter" >> ${STATES_TOP}
         # Pillars
-        echo '    - postgresql' >> ${P_DIR}/top.sls
+        grep -q "postgresql" ${PILLARS_TOP} || echo "    - postgresql" >> ${PILLARS_TOP}
+        grep -q "prometheus_pg_exporter" ${PILLARS_TOP} || echo "    - prometheus_pg_exporter" >> ${PILLARS_TOP}
       ;;
-      "api")
-        # States
-        # FIXME: https://dev.arvados.org/issues/17352
-        grep -q "postgres.client" ${S_DIR}/top.sls || echo "    - postgres.client" >> ${S_DIR}/top.sls
-        grep -q "nginx.passenger" ${S_DIR}/top.sls || echo "    - nginx.passenger" >> ${S_DIR}/top.sls
+      "monitoring")
+        ### Support files ###
+        GRAFANA_DASHBOARDS_DEST_DIR=/srv/salt/dashboards
+        mkdir -p "${GRAFANA_DASHBOARDS_DEST_DIR}"
+        rm -f "${GRAFANA_DASHBOARDS_DEST_DIR}"/*
+        # "ArvadosPromDataSource" is the hardcoded UID for Prometheus' datasource
+        # in Grafana.
+        for f in $(ls "${GRAFANA_DASHBOARDS_DIR}"/*.json); do
+          sed 's#${DS_PROMETHEUS}#ArvadosPromDataSource#g' \
+          "${f}" > "${GRAFANA_DASHBOARDS_DEST_DIR}"/$(basename "${f}")
+        done
+
+        ### States ###
+        grep -q "\- nginx$" ${STATES_TOP} || echo "    - nginx" >> ${STATES_TOP}
+        grep -q "extra.nginx_prometheus_configuration" ${STATES_TOP} || echo "    - extra.nginx_prometheus_configuration" >> ${STATES_TOP}
+
+        grep -q "\- grafana$" ${STATES_TOP} || echo "    - grafana" >> ${STATES_TOP}
+        grep -q "extra.grafana_datasource" ${STATES_TOP} || echo "    - extra.grafana_datasource" >> ${STATES_TOP}
+        grep -q "extra.grafana_dashboards" ${STATES_TOP} || echo "    - extra.grafana_dashboards" >> ${STATES_TOP}
+        grep -q "extra.grafana_admin_user" ${STATES_TOP} || echo "    - extra.grafana_admin_user" >> ${STATES_TOP}
+
+        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+          grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
+          if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
+            grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
+          fi
+        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
+          for SVC in grafana prometheus; do
+            copy_custom_cert ${CUSTOM_CERTS_DIR} ${SVC}
+          done
+        fi
+        ### Pillars ###
+        grep -q "prometheus_server" ${PILLARS_TOP} || echo "    - prometheus_server" >> ${PILLARS_TOP}
+        grep -q "grafana" ${PILLARS_TOP} || echo "    - grafana" >> ${PILLARS_TOP}
+        for SVC in grafana prometheus; do
+          grep -q "nginx_${SVC}_configuration" ${PILLARS_TOP} || echo "    - nginx_${SVC}_configuration" >> ${PILLARS_TOP}
+        done
+        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+          grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
+          for SVC in grafana prometheus; do
+            grep -q "letsencrypt_${SVC}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${SVC}_configuration" >> ${PILLARS_TOP}
+            sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${SVC}.${DOMAIN}*/g;
+                    s#__CERT_PEM__#/etc/letsencrypt/live/${SVC}.${DOMAIN}/fullchain.pem#g;
+                    s#__CERT_KEY__#/etc/letsencrypt/live/${SVC}.${DOMAIN}/privkey.pem#g" \
+            ${P_DIR}/nginx_${SVC}_configuration.sls
+          done
+          if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
+            grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
+          fi
+        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
+          grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
+          for SVC in grafana prometheus; do
+            sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${SVC}_cert_file_copy/g;
+                    s#__CERT_PEM__#/etc/nginx/ssl/arvados-${SVC}.pem#g;
+                    s#__CERT_KEY__#/etc/nginx/ssl/arvados-${SVC}.key#g" \
+              ${P_DIR}/nginx_${SVC}_configuration.sls
+            grep -q ${SVC} ${P_DIR}/extra_custom_certs.sls || echo "  - ${SVC}" >> ${P_DIR}/extra_custom_certs.sls
+          done
+        fi
+      ;;
+      "balancer")
+        ### States ###
+        grep -q "\- nginx$" ${STATES_TOP} || echo "    - nginx" >> ${STATES_TOP}
+
+        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+          grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
+          if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
+            grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
+          fi
+        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
+          copy_custom_cert ${CUSTOM_CERTS_DIR} ${R}
+        fi
+
+        ### Pillars ###
+        grep -q "nginx_${R}_configuration" ${PILLARS_TOP} || echo "    - nginx_${R}_configuration" >> ${PILLARS_TOP}
+
+        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+          grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
+
+          grep -q "letsencrypt_${R}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${R}_configuration" >> ${PILLARS_TOP}
+          sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${ROLE2NODES['balancer']}*/g;
+                  s#__CERT_PEM__#/etc/letsencrypt/live/${ROLE2NODES['balancer']}/fullchain.pem#g;
+                  s#__CERT_KEY__#/etc/letsencrypt/live/${ROLE2NODES['balancer']}/privkey.pem#g" \
+          ${P_DIR}/nginx_${R}_configuration.sls
+
+          if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
+            grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
+          fi
+        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
+          grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
+          sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${R}_cert_file_copy/g;
+                  s#__CERT_PEM__#/etc/nginx/ssl/arvados-${R}.pem#g;
+                  s#__CERT_KEY__#/etc/nginx/ssl/arvados-${R}.key#g" \
+            ${P_DIR}/nginx_${R}_configuration.sls
+          grep -q "${R}" ${P_DIR}/extra_custom_certs.sls || echo "  - ${R}" >> ${P_DIR}/extra_custom_certs.sls
+        fi
+      ;;
+      "controller")
+        ### States ###
+        grep -q "    - logrotate" ${STATES_TOP} || echo "    - logrotate" >> ${STATES_TOP}
+        if grep -q "    - nginx.*$" ${STATES_TOP}; then
+          sed -i s/"^    - nginx.*$"/"    - nginx.passenger"/g ${STATES_TOP}
+        else
+          echo "    - nginx.passenger" >> ${STATES_TOP}
+        fi
+        echo "    - extra.passenger_rvm" >> ${STATES_TOP}
+        grep -q "^    - postgres\\.client$" ${STATES_TOP} || echo "    - postgres.client" >> ${STATES_TOP}
+
         ### If we don't install and run LE before arvados-api-server, it fails and breaks everything
         ### after it. So we add this here as we are, after all, sharing the host for api and controller
-        # Currently, only available on config_examples/multi_host/aws
-        if [ "x${USE_LETSENCRYPT}" = "xyes" ]; then
-          if [ "x${USE_LETSENCRYPT_IAM_USER}" != "xyes" ]; then
-            grep -q "aws_credentials" ${S_DIR}/top.sls || echo "    - aws_credentials" >> ${S_DIR}/top.sls
+        if [ "${ENABLE_BALANCER}" == "no" ]; then
+          if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+            if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
+              grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
+            fi
+            grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
+          elif [ "${SSL_MODE}" = "bring-your-own" ]; then
+            copy_custom_cert ${CUSTOM_CERTS_DIR} ${R}
+            grep -q controller ${P_DIR}/extra_custom_certs.sls || echo "  - controller" >> ${P_DIR}/extra_custom_certs.sls
           fi
-          grep -q "letsencrypt" ${S_DIR}/top.sls || echo "    - letsencrypt" >> ${S_DIR}/top.sls
-        else
-          # Use custom certs
-          copy_custom_cert ${CUSTOM_CERTS_DIR} controller
-          grep -q controller ${P_DIR}/extra_custom_certs.sls || echo "  - controller" >> ${P_DIR}/extra_custom_certs.sls
         fi
-        grep -q "arvados.${R}" ${S_DIR}/top.sls    || echo "    - arvados.${R}" >> ${S_DIR}/top.sls
-        # Pillars
-        grep -q "aws_credentials" ${P_DIR}/top.sls          || echo "    - aws_credentials" >> ${P_DIR}/top.sls
-        grep -q "postgresql" ${P_DIR}/top.sls               || echo "    - postgresql" >> ${P_DIR}/top.sls
-        grep -q "nginx_passenger" ${P_DIR}/top.sls          || echo "    - nginx_passenger" >> ${P_DIR}/top.sls
-        grep -q "nginx_${R}_configuration" ${P_DIR}/top.sls || echo "    - nginx_${R}_configuration" >> ${P_DIR}/top.sls
+        grep -q "arvados.api" ${STATES_TOP} || echo "    - arvados.api" >> ${STATES_TOP}
+        grep -q "arvados.controller" ${STATES_TOP} || echo "    - arvados.controller" >> ${STATES_TOP}
+
+        ### Pillars ###
+        grep -q "logrotate_api" ${PILLARS_TOP}            || echo "    - logrotate_api" >> ${PILLARS_TOP}
+        grep -q "aws_credentials" ${PILLARS_TOP}          || echo "    - aws_credentials" >> ${PILLARS_TOP}
+        grep -q "postgresql" ${PILLARS_TOP}               || echo "    - postgresql" >> ${PILLARS_TOP}
+        grep -q "nginx_passenger" ${PILLARS_TOP}          || echo "    - nginx_passenger" >> ${PILLARS_TOP}
+        grep -q "nginx_api_configuration" ${PILLARS_TOP} || echo "    - nginx_api_configuration" >> ${PILLARS_TOP}
+        grep -q "nginx_controller_configuration" ${PILLARS_TOP} || echo "    - nginx_controller_configuration" >> ${PILLARS_TOP}
+
+        if [ "${ENABLE_BALANCER}" == "no" ]; then
+          if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+            if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
+              grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
+            fi
+
+            grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
+            grep -q "letsencrypt_${R}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${R}_configuration" >> ${PILLARS_TOP}
+            sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${R}.${DOMAIN}*/g;
+                    s#__CERT_PEM__#/etc/letsencrypt/live/${R}.${DOMAIN}/fullchain.pem#g;
+                    s#__CERT_KEY__#/etc/letsencrypt/live/${R}.${DOMAIN}/privkey.pem#g" \
+            ${P_DIR}/nginx_${R}_configuration.sls
+          else
+            grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
+            sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${R}_cert_file_copy/g;
+                    s#__CERT_PEM__#/etc/nginx/ssl/arvados-${R}.pem#g;
+                    s#__CERT_KEY__#/etc/nginx/ssl/arvados-${R}.key#g" \
+            ${P_DIR}/nginx_${R}_configuration.sls
+            grep -q ${R} ${P_DIR}/extra_custom_certs.sls || echo "  - ${R}" >> ${P_DIR}/extra_custom_certs.sls
+          fi
+        fi
+        # We need to tweak the Nginx's pillar depending whether we want plain nginx or nginx+passenger
+        NGINX_INSTALL_SOURCE="install_from_phusionpassenger"
+        sed -i "s/__NGINX_INSTALL_SOURCE__/${NGINX_INSTALL_SOURCE}/g" ${P_DIR}/nginx_passenger.sls
       ;;
-      "controller" | "websocket" | "workbench" | "workbench2" | "webshell" | "keepweb" | "keepproxy")
-        # States
-        grep -q "nginx.passenger" ${S_DIR}/top.sls || echo "    - nginx.passenger" >> ${S_DIR}/top.sls
-        # Currently, only available on config_examples/multi_host/aws
-        if [ "x${USE_LETSENCRYPT}" = "xyes" ]; then
-          if [ "x${USE_LETSENCRYPT_IAM_USER}" != "xyes" ]; then
-            grep -q "aws_credentials" ${S_DIR}/top.sls || echo "    - aws_credentials" >> ${S_DIR}/top.sls
+      "websocket" | "workbench" | "workbench2" | "webshell" | "keepweb" | "keepproxy")
+        ### States ###
+        if [ "${R}" = "workbench" ]; then
+          grep -q "    - logrotate" ${STATES_TOP} || echo "    - logrotate" >> ${STATES_TOP}
+          NGINX_INSTALL_SOURCE="install_from_phusionpassenger"
+          if grep -q "    - nginx$" ${STATES_TOP}; then
+            sed -i s/"^    - nginx.*$"/"    - nginx.passenger"/g ${STATES_TOP}
+          else
+            echo "    - nginx.passenger" >> ${STATES_TOP}
           fi
-          grep -q "letsencrypt"     ${S_DIR}/top.sls || echo "    - letsencrypt" >> ${S_DIR}/top.sls
+        else
+          grep -q "\- nginx$" ${STATES_TOP} || echo "    - nginx" >> ${STATES_TOP}
+        fi
+
+        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+          if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
+            grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
+          fi
+          grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
         else
           # Use custom certs, special case for keepweb
           if [ ${R} = "keepweb" ]; then
-            copy_custom_cert ${CUSTOM_CERTS_DIR} download
-            copy_custom_cert ${CUSTOM_CERTS_DIR} collections
+            if [ "${SSL_MODE}" = "bring-your-own" ]; then
+              copy_custom_cert ${CUSTOM_CERTS_DIR} download
+              copy_custom_cert ${CUSTOM_CERTS_DIR} collections
+            fi
           else
-            copy_custom_cert ${CUSTOM_CERTS_DIR} ${R}
+            if [ "${SSL_MODE}" = "bring-your-own" ]; then
+              copy_custom_cert ${CUSTOM_CERTS_DIR} ${R}
+            fi
           fi
         fi
+
         # webshell role is just a nginx vhost, so it has no state
         if [ "${R}" != "webshell" ]; then
-          grep -q "arvados.${R}" ${S_DIR}/top.sls || echo "    - arvados.${R}" >> ${S_DIR}/top.sls
+          grep -q "arvados.${R}" ${STATES_TOP} || echo "    - arvados.${R}" >> ${STATES_TOP}
         fi
-        # Pillars
-        grep -q "nginx_passenger" ${P_DIR}/top.sls          || echo "    - nginx_passenger" >> ${P_DIR}/top.sls
-        grep -q "nginx_${R}_configuration" ${P_DIR}/top.sls || echo "    - nginx_${R}_configuration" >> ${P_DIR}/top.sls
+
+        ### Pillars ###
+        if [ "${R}" = "workbench" ]; then
+          grep -q "logrotate_wb1" ${PILLARS_TOP} || echo "    - logrotate_wb1" >> ${PILLARS_TOP}
+        fi
+        grep -q "nginx_passenger" ${PILLARS_TOP}          || echo "    - nginx_passenger" >> ${PILLARS_TOP}
+        grep -q "nginx_${R}_configuration" ${PILLARS_TOP} || echo "    - nginx_${R}_configuration" >> ${PILLARS_TOP}
         # Special case for keepweb
         if [ ${R} = "keepweb" ]; then
-          grep -q "nginx_download_configuration" ${P_DIR}/top.sls || echo "    - nginx_download_configuration" >> ${P_DIR}/top.sls
-          grep -q "nginx_collections_configuration" ${P_DIR}/top.sls || echo "    - nginx_collections_configuration" >> ${P_DIR}/top.sls
+          grep -q "nginx_download_configuration" ${PILLARS_TOP} || echo "    - nginx_download_configuration" >> ${PILLARS_TOP}
+          grep -q "nginx_collections_configuration" ${PILLARS_TOP} || echo "    - nginx_collections_configuration" >> ${PILLARS_TOP}
         fi
 
-        # Currently, only available on config_examples/multi_host/aws
-        if [ "x${USE_LETSENCRYPT}" = "xyes" ]; then
-          if [ "x${USE_LETSENCRYPT_IAM_USER}" != "xyes" ]; then
-            grep -q "aws_credentials" ${P_DIR}/top.sls || echo "    - aws_credentials" >> ${P_DIR}/top.sls
+        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
+          if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
+            grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
           fi
-          grep -q "letsencrypt"     ${P_DIR}/top.sls || echo "    - letsencrypt" >> ${P_DIR}/top.sls
-          grep -q "letsencrypt_${R}_configuration" ${P_DIR}/top.sls || echo "    - letsencrypt_${R}_configuration" >> ${P_DIR}/top.sls
+          grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
+          grep -q "letsencrypt_${R}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${R}_configuration" >> ${PILLARS_TOP}
 
           # As the pillar differ whether we use LE or custom certs, we need to do a final edition on them
           # Special case for keepweb
           if [ ${R} = "keepweb" ]; then
             for kwsub in download collections; do
-              sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${kwsub}.${CLUSTER}.${DOMAIN}*/g;
-                      s#__CERT_PEM__#/etc/letsencrypt/live/${kwsub}.${CLUSTER}.${DOMAIN}/fullchain.pem#g;
-                      s#__CERT_KEY__#/etc/letsencrypt/live/${kwsub}.${CLUSTER}.${DOMAIN}/privkey.pem#g" \
+              sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${kwsub}.${DOMAIN}*/g;
+                      s#__CERT_PEM__#/etc/letsencrypt/live/${kwsub}.${DOMAIN}/fullchain.pem#g;
+                      s#__CERT_KEY__#/etc/letsencrypt/live/${kwsub}.${DOMAIN}/privkey.pem#g" \
               ${P_DIR}/nginx_${kwsub}_configuration.sls
             done
           else
-            sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${R}.${CLUSTER}.${DOMAIN}*/g;
-                    s#__CERT_PEM__#/etc/letsencrypt/live/${R}.${CLUSTER}.${DOMAIN}/fullchain.pem#g;
-                    s#__CERT_KEY__#/etc/letsencrypt/live/${R}.${CLUSTER}.${DOMAIN}/privkey.pem#g" \
+            sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${R}.${DOMAIN}*/g;
+                    s#__CERT_PEM__#/etc/letsencrypt/live/${R}.${DOMAIN}/fullchain.pem#g;
+                    s#__CERT_KEY__#/etc/letsencrypt/live/${R}.${DOMAIN}/privkey.pem#g" \
             ${P_DIR}/nginx_${R}_configuration.sls
           fi
         else
+          grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
           # As the pillar differ whether we use LE or custom certs, we need to do a final edition on them
           # Special case for keepweb
           if [ ${R} = "keepweb" ]; then
             for kwsub in download collections; do
-              sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_file_copy_arvados-${kwsub}.pem/g;
+              sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${kwsub}_cert_file_copy/g;
                       s#__CERT_PEM__#/etc/nginx/ssl/arvados-${kwsub}.pem#g;
                       s#__CERT_KEY__#/etc/nginx/ssl/arvados-${kwsub}.key#g" \
               ${P_DIR}/nginx_${kwsub}_configuration.sls
               grep -q ${kwsub} ${P_DIR}/extra_custom_certs.sls || echo "  - ${kwsub}" >> ${P_DIR}/extra_custom_certs.sls
             done
           else
-            sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_file_copy_arvados-${R}.pem/g;
+            sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${R}_cert_file_copy/g;
                     s#__CERT_PEM__#/etc/nginx/ssl/arvados-${R}.pem#g;
                     s#__CERT_KEY__#/etc/nginx/ssl/arvados-${R}.key#g" \
             ${P_DIR}/nginx_${R}_configuration.sls
             grep -q ${R} ${P_DIR}/extra_custom_certs.sls || echo "  - ${R}" >> ${P_DIR}/extra_custom_certs.sls
           fi
         fi
+        # We need to tweak the Nginx's pillar depending whether we want plain nginx or nginx+passenger
+        sed -i "s/__NGINX_INSTALL_SOURCE__/${NGINX_INSTALL_SOURCE}/g" ${P_DIR}/nginx_passenger.sls
       ;;
       "shell")
         # States
-        grep -q "docker" ${S_DIR}/top.sls       || echo "    - docker.software" >> ${S_DIR}/top.sls
-        grep -q "arvados.${R}" ${S_DIR}/top.sls || echo "    - arvados.${R}" >> ${S_DIR}/top.sls
+        echo "    - extra.shell_sudo_passwordless" >> ${STATES_TOP}
+        echo "    - extra.shell_cron_add_login_sync" >> ${STATES_TOP}
+        grep -q "docker" ${STATES_TOP}       || echo "    - docker.software" >> ${STATES_TOP}
+        grep -q "arvados.${R}" ${STATES_TOP} || echo "    - arvados.${R}" >> ${STATES_TOP}
         # Pillars
-        grep -q "docker" ${P_DIR}/top.sls       || echo "    - docker" >> ${P_DIR}/top.sls
+        grep -q "docker" ${PILLARS_TOP}       || echo "    - docker" >> ${PILLARS_TOP}
       ;;
-      "dispatcher")
+      "dispatcher" | "keepbalance" | "keepstore")
         # States
-        grep -q "arvados.${R}" ${S_DIR}/top.sls || echo "    - arvados.${R}" >> ${S_DIR}/top.sls
-        # Pillars
-        # ATM, no specific pillar needed
-      ;;
-      "keepstore")
-        # States
-        grep -q "arvados.${R}" ${S_DIR}/top.sls || echo "    - arvados.${R}" >> ${S_DIR}/top.sls
+        grep -q "arvados.${R}" ${STATES_TOP} || echo "    - arvados.${R}" >> ${STATES_TOP}
         # Pillars
         # ATM, no specific pillar needed
       ;;
@@ -717,50 +994,33 @@ if [ "${DUMP_CONFIG}" = "yes" ]; then
   exit 0
 fi
 
-# FIXME! #16992 Temporary fix for psql call in arvados-api-server
-if [ -e /root/.psqlrc ]; then
-  if ! ( grep 'pset pager off' /root/.psqlrc ); then
-    RESTORE_PSQL="yes"
-    cp /root/.psqlrc /root/.psqlrc.provision.backup
-  fi
-else
-  DELETE_PSQL="yes"
-fi
-
-echo '\pset pager off' >> /root/.psqlrc
-# END FIXME! #16992 Temporary fix for psql call in arvados-api-server
-
 # Now run the install
-salt-call --local state.apply -l ${LOG_LEVEL}
-
-# FIXME! #16992 Temporary fix for psql call in arvados-api-server
-if [ "x${DELETE_PSQL}" = "xyes" ]; then
-  echo "Removing .psql file"
-  rm /root/.psqlrc
-fi
+salt-call --state-output=mixed --local state.apply -l ${LOG_LEVEL}
 
-if [ "x${RESTORE_PSQL}" = "xyes" ]; then
-  echo "Restoring .psql file"
-  mv -v /root/.psqlrc.provision.backup /root/.psqlrc
+# Finally, make sure that /etc/hosts is not overwritten on reboot
+if [ -d /etc/cloud/cloud.cfg.d ]; then
+  # TODO: will this work on CentOS?
+  sed -i 's/^manage_etc_hosts: true/#manage_etc_hosts: true/g' /etc/cloud/cloud.cfg.d/*
 fi
-# END FIXME! #16992 Temporary fix for psql call in arvados-api-server
 
 # Leave a copy of the Arvados CA so the user can copy it where it's required
-if [ "$DEV_MODE" = "yes" ]; then
-  echo "Copying the Arvados CA certificate to the installer dir, so you can import it"
-  # If running in a vagrant VM, also add default user to docker group
-  if [ "x${VAGRANT}" = "xyes" ]; then
-    cp /etc/ssl/certs/arvados-snakeoil-ca.pem /vagrant/${CLUSTER}.${DOMAIN}-arvados-snakeoil-ca.pem
+if [ "${SSL_MODE}" = "self-signed" ]; then
+  echo "Copying the Arvados CA certificate '${DOMAIN}-arvados-snakeoil-ca.crt' to the installer dir, so you can import it"
+  if [ "x${VAGRANT:-}" = "xyes" ]; then
+    cp /etc/ssl/certs/arvados-snakeoil-ca.pem /vagrant/${DOMAIN}-arvados-snakeoil-ca.pem
+  else
+    cp /etc/ssl/certs/arvados-snakeoil-ca.pem ${SCRIPT_DIR}/${DOMAIN}-arvados-snakeoil-ca.crt
+  fi
+fi
 
+if [ "x${VAGRANT:-}" = "xyes" ]; then
+    # If running in a vagrant VM, also add default user to docker group
     echo "Adding the vagrant user to the docker group"
     usermod -a -G docker vagrant
-  else
-    cp /etc/ssl/certs/arvados-snakeoil-ca.pem ${SCRIPT_DIR}/${CLUSTER}.${DOMAIN}-arvados-snakeoil-ca.pem
-  fi
 fi
 
 # Test that the installation finished correctly
-if [ "x${TEST}" = "xyes" ]; then
+if [ "x${TEST:-}" = "xyes" ]; then
   cd ${T_DIR}
   # If we use RVM, we need to run this with it, or most ruby commands will fail
   RVM_EXEC=""