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|
#!/usr/bin/env sh
# shellcheck disable=SC1091
[ -f /etc/profile ] && . /etc/profile
set -e
script_dir="$(CDPATH="" cd -- "$(dirname -- "$0")" && pwd -P)"
usage() {
check_directories
cat <<EOF
USAGE:
${0} [options] FILENAME
Copy and edit the stock config file named: FILENAME
if FILENAME is already copied, it will be edited as-is.
Stock config files at: '${NETDATA_STOCK_CONFIG_DIR}'
User config files at: '${NETDATA_USER_CONFIG_DIR}'
The editor to use can be specified either by setting the EDITOR
environment variable, or by using the --editor option.
The file to edit can also be specified using the --file option.
For a list of known config files, run '${0} --list'
EOF
exit 0
}
error() {
echo >&2 "ERROR: ${1}"
}
abspath() {
if [ -d "${1}/" ]; then
echo "$(cd "${1}" && /usr/bin/env PWD= pwd -P)/"
elif [ -f "${1}" ]; then
echo "$(cd "$(dirname "${1}")" && /usr/bin/env PWD= pwd -P)/$(basename "${1}")"
elif echo "${1}" | grep -q '/'; then
if echo "${1}" | grep -q '^/'; then
mkdir -p "$(dirname "${1}")"
echo "$(cd "$(dirname "${1}")" && /usr/bin/env PWD= pwd -P)/$(basename "${1}")"
else
mkdir -p "${script_dir}/$(dirname "${1}")"
echo "${script_dir}/${1}"
fi
else
echo "${script_dir}/${1}"
fi
}
is_prefix() {
echo "${2}" | grep -qE "^${1}"
return $?
}
check_directories() {
if [ -e "${script_dir}/.environment" ]; then
OLDPATH="${PATH}"
# shellcheck disable=SC1091
. "${script_dir}/.environment"
PATH="${OLDPATH}"
fi
if [ -n "${NETDATA_PREFIX}" ] && [ -d "${NETDATA_PREFIX}/usr/lib/netdata/conf.d" ]; then
stock_dir="${NETDATA_PREFIX}/usr/lib/netdata/conf.d"
elif [ -n "${NETDATA_PREFIX}" ] && [ -d "${NETDATA_PREFIX}/lib/netdata/conf.d" ]; then
stock_dir="${NETDATA_PREFIX}/lib/netdata/conf.d"
elif [ -d "${script_dir}/../../usr/lib/netdata/conf.d" ]; then
stock_dir="${script_dir}/../../usr/lib/netdata/conf.d"
elif [ -d "${script_dir}/../../lib/netdata/conf.d" ]; then
stock_dir="${script_dir}/../../lib/netdata/conf.d"
elif [ -d "/usr/lib/netdata/conf.d" ]; then
stock_dir="/usr/lib/netdata/conf.d"
fi
[ -z "${NETDATA_USER_CONFIG_DIR}" ] && NETDATA_USER_CONFIG_DIR="${script_dir}"
[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="${stock_dir}"
if [ -z "${NETDATA_STOCK_CONFIG_DIR}" ]; then
error "Unable to find stock config directory."
exit 1
fi
}
check_editor() {
if [ -z "${editor}" ]; then
if [ -n "${EDITOR}" ] && command -v "${EDITOR}" >/dev/null 2>&1; then
editor="${EDITOR}"
elif command -v editor >/dev/null 2>&1; then
editor="editor"
elif command -v vi >/dev/null 2>&1; then
editor="vi"
else
error "Unable to find a usable editor, tried \${EDITOR} (${EDITOR}), editor, and vi."
exit 1
fi
elif ! command -v "${editor}" >/dev/null 2>&1; then
error "Unable to locate user specified editor ${editor}, is it in your PATH?"
exit 1
fi
}
running_in_container() {
[ -e /.dockerenv ] && return 0
[ -e /.dockerinit ] && return 0
[ -r /proc/1/environ ] && tr '\000' '\n' </proc/1/environ | grep -Eiq '^container=podman' && return 0
grep -qF -e /docker/ -e /libpod- /proc/self/cgroup 2>/dev/null && return 0
}
get_docker_command() {
if [ -x "${docker}" ]; then
return 0
elif command -v docker >/dev/null 2>&1; then
docker="$(command -v docker)"
elif command -v podman >/dev/null 2>&1; then
docker="$(command -v podman)"
else
error "Unable to find a usable container tool stack. I support Docker and Podman."
exit 1
fi
}
run_in_container() {
${docker} exec "${1}" /bin/sh -c "${2}" || return 1
return 0
}
check_for_container() {
get_docker_command
${docker} container inspect "${1}" >/dev/null 2>&1 || return 1
run_in_container "${1}" "[ -d \"${NETDATA_STOCK_CONFIG_DIR}\" ]" >/dev/null 2>&1 || return 1
return 0
}
handle_container() {
if running_in_container; then
return 0
elif [ -z "${container}" ] && [ -f "${script_dir}/.container-hostname" ]; then
echo >&2 "Autodetected containerized Netdata instance. Attempting to autodetect container ID."
possible_container="$(cat "${script_dir}/.container-hostname")"
if check_for_container "${possible_container}"; then
container="${possible_container}"
elif check_for_container netdata; then
container="netdata"
else
error "Could not autodetect container ID. It must be supplied on the command line with the --container option."
exit 1
fi
echo >&2 "Found Netdata container with ID or name ${container}"
elif [ -n "${container}" ]; then
if ! check_for_container "${container}"; then
error "No container with ID or name ${container} exists."
exit 1
fi
fi
}
list_files() {
check_directories
handle_container
if test -t && command -v tput > /dev/null 2>&1; then
width="$(tput cols)"
fi
if [ -z "${container}" ]; then
if [ "$(uname -s)" = "Linux" ]; then
# shellcheck disable=SC2046,SC2086
files="$(cd "${NETDATA_STOCK_CONFIG_DIR}" && ls ${width:+-C} ${width:+-w ${width}} $(find . -type f | cut -d '/' -f 2-))"
elif [ "$(uname -s)" = "FreeBSD" ]; then
if [ -n "${width}" ]; then
export COLUMNS="${width}"
fi
# shellcheck disable=SC2046
files="$(cd "${NETDATA_STOCK_CONFIG_DIR}" && ls ${width:+-C} $(find . -type f | cut -d '/' -f 2-))"
else
# shellcheck disable=SC2046
files="$(cd "${NETDATA_STOCK_CONFIG_DIR}" && ls $(find . -type f | cut -d '/' -f 2-))"
fi
else
files="$(run_in_container "${container}" "cd /usr/lib/netdata/conf.d && ls ${width:+-C} ${width:+-w ${width}} \$(find . -type f | cut -d '/' -f 2-)")"
fi
if [ -z "${files}" ]; then
error "Failed to find any configuration files."
exit 1
fi
cat <<EOF
The following configuration files are known to this script:
${files}
EOF
exit 0
}
parse_args() {
while [ -n "${1}" ]; do
case "${1}" in
"--help") usage ;;
"--list") list_files ;;
"--file")
if [ -n "${2}" ]; then
file="${2}"
shift 1
else
error "No file specified to edit."
exit 1
fi
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