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#!/usr/bin/env bash
# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -exuo pipefail
function ansible_host () {
# Setup host via ansible playbook.
#
# Variable read:
# - ${HOST} - Server production IP address (Linux).
set -exuo pipefail
pushd "${TOOLS_DIR}"/testbed-setup/ansible || die "Pushd failed!"
ssh-copy-id -o StrictHostKeyChecking=no testuser@"${HOST}"
ansible-playbook --vault-id vault_pass --extra-vars '@vault.yml' \
--inventory lf_inventory site.yaml --limit ${HOST} || {
die "Failed to ansible host!"
}
popd || die "Popd failed!"
}
function installed () {
# Check if the given utility is installed. Fail if not installed.
#
# Arguments:
# - ${1} - Utility to check.
# Returns:
# - 0 - If command is installed.
# - 1 - If command is not installed.
set -exuo pipefail
command -v "${1}"
}
function pxe_cimc () {
# Reboot server with next boot set to PXE, disables PXE after server is UP
# to prevent endless loop.
#
# Variable read:
# - ${HOST} - Server production IP address (Linux).
# - ${MGMT} - Server management IP address (IPMI/CIMC).
# - ${USER} - CIMC user.
# - ${PASS} - CIMC pass.
set -exuo pipefail
pushd "${TOOLS_DIR}"/testbed-setup/cimc || die "Pushd failed!"
./cimc.py -u "${USER}" -p "${PASS}" "${MGMT}" --debug -pxe || {
die "Failed to send the PXE reboot command!"
}
for i in $(seq 1 500); do
warn "Waiting for server to become reachable ... " || die
if pingable "${HOST}"; then
./cimc.py -u "${USER}" -p "${PASS}" "${MGMT}" --debug -hdd || {
die "Failed to send the HDD command!"
}
ssh-keygen -f "/home/testuser/.ssh/known_hosts" -R "${HOST}" || {
die "Failed to remove obsolete SSH key!"
}
warn "Server reachable, PXE running!" || die
break
fi
done
popd || die "Popd failed!"
}
function pxe_host () {
# Reboot host into PXE mode and detect once it is up.
#
# Variable read:
# - ${@} - All script arguments from command line.
# Variable set:
# - ${HOST} - Server production IP address (Linux).
# - ${MGMT} - Server management IP address (IPMI/CIMC).
# - ${USER} - User.
# - ${PASS} - Pass.
set -exuo pipefail
if ! installed ipmitool; then
die "ipmitool not present. Please install before continue!"
fi
HOST=${1}
MGMT=${2}
USER=${3}
PASS=${4}
ipmi="ipmitool -I lanplus -H ${MGMT} -U ${USER} -P ${PASS} chassis status"
cimc="./cimc.py -u ${USER} -p ${PASS} ${MGMT} --mac-table"
pushd "${TOOLS_DIR}"/testbed-setup/cimc || die "Pushd failed!"
if ${ipmi}; then
warn "This is IMPI managed server!"
pxe_supermicro || die
elif ${cimc}; then
warn "This is CIMC managed server!"
pxe_cimc || die
else
die "Unknown management console!"
fi
popd || die "Popd failed!"
wait_for_ssh || die
}
function pxe_supermicro () {
# Reboot server with next boot set to PXE.
#
# Variable read:
# - ${HOST} - Server production IP address (Linux).
# - ${MGMT} - Server management IP address (IPMI/CIMC).
# - ${USER} - IPMI user.
# - ${PASS} - IPMI pass.
set -exuo pipefail
if ! installed ipmitool; then
die "ipmitool not present. Please install before continue!"
fi
cmd="chassis bootdev pxe"
ipmitool -I lanplus -H "${MGMT}" -U "${USER}" -P "${PASS}" "${cmd}" || {
die "Failed to send the ${cmd} command!"
}
cmd="power reset"
ipmitool -I lanplus -H "${MGMT}" -U "${USER}" -P "${PASS}" "${cmd}" || {
die "Failed to send the ${cmd} command!"
}
for i in $(seq 1 500); do
warn "Waiting for server to become reachable ... " || die
if pingable "${HOST}"; then
ssh-keygen -f "/home/testuser/.ssh/known_hosts" -R "${HOST}" || {
die "Failed to remove obsolete SSH key!"
}
warn "Server reachable, PXE running!" || die
break
fi
done
}
function pingable () {
# Check if the host is reachable over ping. Fail if not reachable.
#
# Arguments:
# - ${1} - Host to check.
# Returns:
# - 0 - If host is reachable over ping.
# - 1 - If host is not reachable over ping.
set -exuo pipefail
ping -q -c 1 "${1}" 2>&1 > /dev/null
}
function wait_for_ssh () {
# Check if the host is reachable over SSH. Fail if not reachable.
#
# Variable read:
# - ${HOST} - Server production IP address (Linux).
set -exuo pipefail
while ! ssh "${HOST}"
do
warn "SSH not yet reachable, trying again!"
sleep 2
done
warn "SSH reachable!"
}
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