Tinkerbell.Sandbox/generate-env.sh

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2.7 KiB
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#!/usr/bin/env bash
# stops the execution if a command or pipeline has an error
set -eu
if command -v tput >/dev/null && tput setaf 1 >/dev/null 2>&1; then
# color codes
RED="$(tput setaf 1)"
RESET="$(tput sgr0)"
fi
ERR="${RED:-}ERROR:${RESET:-}"
source ./current_versions.sh
err() (
if [[ -z ${1:-} ]]; then
cat >&2
else
echo "$ERR " "$@" >&2
fi
)
candidate_interfaces() (
ip -o link show |
awk -F': ' '{print $2}' |
sed 's/[ \t].*//;/^\(lo\|bond0\|\|\)$/d' |
sort
)
validate_tinkerbell_network_interface() (
local tink_interface=$1
if ! candidate_interfaces | grep -q "^$tink_interface$"; then
err "Invalid interface ($tink_interface) selected, must be one of:"
candidate_interfaces | err
return 1
else
return 0
fi
)
generate_password() (
head -c 12 /dev/urandom | sha256sum | cut -d' ' -f1
)
generate_env() (
local tink_interface=$1
validate_tinkerbell_network_interface "$tink_interface"
local tink_password
tink_password=$(generate_password)
local registry_password
registry_password=$(generate_password)
cat <<-EOF
# Tinkerbell Stack version
export OSIE_DOWNLOAD_LINK=${OSIE_DOWNLOAD_LINK}
export TINKERBELL_TINK_SERVER_IMAGE=${TINKERBELL_TINK_SERVER_IMAGE}
export TINKERBELL_TINK_CLI_IMAGE=${TINKERBELL_TINK_CLI_IMAGE}
export TINKERBELL_TINK_BOOTS_IMAGE=${TINKERBELL_TINK_BOOTS_IMAGE}
export TINKERBELL_TINK_HEGEL_IMAGE=${TINKERBELL_TINK_HEGEL_IMAGE}
export TINKERBELL_TINK_WORKER_IMAGE=${TINKERBELL_TINK_WORKER_IMAGE}
# Network interface for Tinkerbell's network
export TINKERBELL_NETWORK_INTERFACE="$tink_interface"
# Decide on a subnet for provisioning. Tinkerbell should "own" this
# network space. Its subnet should be just large enough to be able
# to provision your hardware.
export TINKERBELL_CIDR=${TINKERBELL_CIDR:-"29"}
# Host IP is used by provisioner to expose different services such as
# tink, boots, etc.
#
# The host IP should the first IP in the range, and the Nginx IP
# should be the second address.
export TINKERBELL_HOST_IP=${TINKERBELL_HOST_IP:-"192.168.1.1"}
# Tink server username and password
export TINKERBELL_TINK_USERNAME=admin
export TINKERBELL_TINK_PASSWORD="$tink_password"
# Docker Registry's username and password
export TINKERBELL_REGISTRY_USERNAME=admin
export TINKERBELL_REGISTRY_PASSWORD="$registry_password"
# Tink cli options
export TINKERBELL_GRPC_AUTHORITY=${TINKERBELL_HOST_IP:-"192.168.1.1"}:42113
export TINKERBELL_CERT_URL=http://${TINKERBELL_HOST_IP:-"192.168.1.1"}:42114/cert
# Legacy options, to be deleted:
export FACILITY=onprem
export ROLLBAR_TOKEN=ignored
export ROLLBAR_DISABLE=1
EOF
)
main() (
if [[ -z ${1:-} ]]; then
err "Usage: $0 network-interface-name > .env"
exit 1
fi
generate_env "$1"
)
main "$@"