addet sh scripts

setup/docker-network.sh

@@ -0,0 +1,110 @@
+#!/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