110 lines
3.8 KiB
Bash
110 lines
3.8 KiB
Bash
#!/bin/sh
|
|
|
|
# ╭───────────────╮
|
|
# │ env functions │
|
|
# ╰───────────────╯
|
|
# ───────────────────────────────────< ANSI color codes >───────────────────────────────────
|
|
RED='\033[0;31m'
|
|
CYAN='\033[0;36m'
|
|
YELLOW='\033[0;33m'
|
|
LIGHT_GREEN='\033[0;92m'
|
|
BOLD='\033[1m'
|
|
NC='\033[0m' # No Color
|
|
|
|
echo_error() {
|
|
printf "${BOLD}${RED}ERROR: ${NC}${RED}%s${NC}\n" "$1" >&2
|
|
}
|
|
|
|
echo_info() {
|
|
printf "${BOLD}${CYAN}INFO: ${NC}${CYAN}%s${NC}\n" "$1"
|
|
}
|
|
|
|
echo_warning() {
|
|
printf "${BOLD}${YELLOW}WARNING: ${NC}${YELLOW}%s${NC}\n" "$1"
|
|
}
|
|
|
|
echo_note() {
|
|
printf "${BOLD}${LIGHT_GREEN}NOTE: ${NC}${LIGHT_GREEN}%s${NC}\n" "$1"
|
|
}
|
|
|
|
command_exists() {
|
|
command -v "$@" >/dev/null 2>&1
|
|
}
|
|
|
|
# ─────────────< Check if the user is root and set sudo variable if necessary >─────────────
|
|
check_root() {
|
|
if [ "$(id -u)" -ne 0 ]; then
|
|
if command_exists sudo; then
|
|
echo_info "User is not root. Using sudo for privileged operations."
|
|
_sudo="sudo"
|
|
else
|
|
echo_error "No sudo found and you're not root! Can't install packages."
|
|
return 1
|
|
fi
|
|
else
|
|
echo_info "Root access confirmed."
|
|
_sudo=""
|
|
fi
|
|
}
|
|
|
|
# ──────────────────────< Check if the given command exists silently >──────────────────────
|
|
command_exists() {
|
|
command -v "$@" >/dev/null 2>&1
|
|
}
|
|
|
|
# ╭────────────────────────────────────╮
|
|
# │ insert your scripts/functions here │
|
|
# ╰────────────────────────────────────╯
|
|
|
|
# Function to initialize or update the Docker daemon configuration
|
|
dnetwork_init() {
|
|
if ! command_exists docker; then
|
|
echo_error "No docker was found! Cannot continue!"
|
|
return 1
|
|
fi
|
|
|
|
CONFIG_FILE="/etc/docker/daemon.json"
|
|
|
|
echo_info "Checking Docker daemon configuration..."
|
|
|
|
# Check if the configuration file exists
|
|
if [ ! -f "$CONFIG_FILE" ]; then
|
|
echo_warning "Docker daemon configuration file not found. Creating it."
|
|
${_sudo} mkdir -p /etc/docker
|
|
${_sudo} tee "$CONFIG_FILE" >/dev/null <<EOF
|
|
{
|
|
"default-address-pools": [
|
|
{
|
|
"base": "10.0.0.0/8",
|
|
"size": 24
|
|
}
|
|
]
|
|
}
|
|
EOF
|
|
echo_note "Configuration file created with default network."
|
|
else
|
|
# Check if the "default-address-pools" entry exists
|
|
if grep -q '"default-address-pools"' "$CONFIG_FILE"; then
|
|
echo_note "Docker daemon configuration already contains 'default-address-pools'. No changes made."
|
|
else
|
|
echo_warning "Adding 'default-address-pools' to existing configuration."
|
|
${_sudo} jq '. + {"default-address-pools": [{"base": "10.0.0.0/8", "size": 24}]}' "$CONFIG_FILE" | ${_sudo} tee "$CONFIG_FILE.tmp" >/dev/null
|
|
${_sudo} mv "$CONFIG_FILE.tmp" "$CONFIG_FILE"
|
|
echo_note "Default address pool added to configuration."
|
|
fi
|
|
fi
|
|
|
|
echo_info "Restarting Docker to apply changes..."
|
|
${_sudo} systemctl restart docker && echo_note "Docker restarted successfully." || echo_error "Failed to restart Docker."
|
|
}
|
|
|
|
# ───────────────────────────────< main function to execute >───────────────────────────────
|
|
main() {
|
|
if check_root; then
|
|
dnetwork_init
|
|
else
|
|
echo_error "Something went terribly wrong!"
|
|
fi
|
|
}
|
|
|
|
main
|