feat: add ssh menu script with sample YAML config

.gitignore

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+config/

mtm-ssh-menu

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+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+CONFIG_DIR="$SCRIPT_DIR/config"
+
+usage() {
+	cat <<'EOF'
+Usage: sshm [--config-dir DIR]
+
+Options:
+  --help             Show this help message
+  --config-dir DIR   Use a custom config directory
+
+The config directory must contain:
+  - global.yaml
+  - hosts/*.yaml
+EOF
+}
+
+parse_args() {
+	while [[ $# -gt 0 ]]; do
+		case "$1" in
+			--config-dir)
+				if [[ $# -lt 2 ]]; then
+					printf 'Error: --config-dir requires a value.\n' >&2
+					exit 1
+				fi
+				CONFIG_DIR="$2"
+				shift 2
+				;;
+			--help|-h)
+				usage
+				exit 0
+				;;
+			*)
+				printf 'Error: unknown argument: %s\n' "$1" >&2
+				usage >&2
+				exit 1
+				;;
+		esac
+	done
+}
+parse_args "$@"
+
+dependency_check() {
+	if ! command -v yq >/dev/null 2>&1; then
+		printf 'Error: yq is required but not installed.\n' >&2
+		exit 1
+	fi
+	if ! command -v jq >/dev/null 2>&1; then
+		printf 'Error: jq is required but not installed.\n' >&2
+		exit 1
+	fi
+	if ! command -v ssh >/dev/null 2>&1; then
+		printf 'Error: ssh is required but not installed.\n' >&2
+		exit 1
+	fi
+	#if command -v fzf >/dev/null 2>&1; then
+	#	printf 'Error: fzf is required but not installed.\n' >&2
+	#	exit 1
+	#fi
+}
+dependency_check
+
+GLOBAL_CONFIG="$CONFIG_DIR/global.yaml"
+HOSTS_DIR="$CONFIG_DIR/hosts"
+DEFAULT_SSH_USER="root"
+DEFAULT_SSH_PORT="22"
+DEFAULT_SSH_OPTIONS=""
+SSH_JUMP_HOSTS={}
+SERVERS=""
+
+load_config() {
+	local GLOBAL_CONFIG_CONTENT
+	GLOBAL_CONFIG_CONTENT="$(<"$GLOBAL_CONFIG")"
+	DEFAULT_SSH_USER=$(yq -r '.ssh.default_user // "'$DEFAULT_SSH_USER'"' <<<"$GLOBAL_CONFIG_CONTENT")
+	DEFAULT_SSH_PORT=$(yq -r '.ssh.default_port // "'$DEFAULT_SSH_PORT'"' <<<"$GLOBAL_CONFIG_CONTENT")
+	DEFAULT_SSH_OPTIONS=$(yq -r '.ssh.default_options // "'"$DEFAULT_SSH_OPTIONS"'"' <<<"$GLOBAL_CONFIG_CONTENT")
+	SSH_JUMP_HOSTS=$(yq -r '.ssh.jump_hosts // {}' <<<"$GLOBAL_CONFIG_CONTENT")
+
+	shopt -s nullglob
+	for file in "$HOSTS_DIR"/*.yaml; do
+		local FILE_CONTENT GROUP_NAME GROUP_SERVERS INDEX
+		FILE_CONTENT="$(<"$file")"
+		GROUP_NAME=$(basename "$file")
+		GROUP_NAME=${GROUP_NAME%.*}
+		GROUP_NAME=$(yq -r '.group // "'"$GROUP_NAME"'"' <<<"$FILE_CONTENT")
+		GROUP_SERVERS=$(yq -r '.servers // []' <<<"$FILE_CONTENT")
+		#echo "$GROUP_NAME"
+		INDEX=0
+		
+		for ((i=0; i<$(jq -r '. | length' <<<"$GROUP_SERVERS"); i++)); do
+			local SSH_SERVER_NAME SSH_SERVER_ALIASES ALIASES SSH_SERVER_HOST SSH_SERVER_PORT SSH_SERVER_USER
+			SSH_SERVER_NAME=$(jq -r '.'"[$i]"'.name // ""' <<<"$GROUP_SERVERS")
+			SSH_SERVER_ALIASES=$(jq -r '.'"[$i]"'.aliases // ""' <<<"$GROUP_SERVERS")
+			SSH_SERVER_HOST=$(jq -r '.'"[$i]"'.host // ""' <<<"$GROUP_SERVERS")
+			SSH_SERVER_PORT=$(jq -r '.'"[$i]"'.port // "'"$DEFAULT_SSH_PORT"'"' <<<"$GROUP_SERVERS")
+			SSH_SERVER_USER=$(jq -r '.'"[$i]"'.port // "'"$DEFAULT_SSH_USER"'"' <<<"$GROUP_SERVERS")
+			#SSH_JUMP_HOST=$(jq -r '.'"[$i]"'.jump_host // ""' <<<"$GROUP_SERVERS")
+			#if [ "$SSH_JUMP_HOST" != "" ]; then
+			#	SSH_JUMP_HOST=$(jq -r '.yverdon // ""' <<<"$SSH_JUMP_HOSTS")
+			#fi
+			#SSH_OPTIONS=$(jq -r '.'"[$i]"'.options // ""' <<<"$GROUP_SERVERS")
+
+			if [ "$SSH_SERVER_ALIASES" != "" ]; then
+				ALIASES="("$(echo "$SSH_SERVER_ALIASES" | jq -r 'join(", ")')")"
+				#echo "$SSH_SERVER_NAME $ALIASES"
+			#else
+			#	echo "$SSH_SERVER_NAME"
+			fi
+			#if [ "$SSH_JUMP_HOST" == "" ]; then
+			#	echo "$SSH_SERVER_USER@$SSH_SERVER_HOST:$SSH_SERVER_PORT"
+			#else
+			#	echo "$SSH_SERVER_USER@$SSH_SERVER_HOST:$SSH_SERVER_PORT via $SSH_JUMP_HOST"
+			#fi
+			#echo "$SSH_OPTIONS"
+			#echo '{ "name": "'"$SSH_SERVER_NAME"'" }' | jq
+			if [ "$SERVERS" != "" ]; then
+				SERVERS+="\n"
+			fi
+			SERVERS+="${GROUP_NAME} | ${INDEX} | ${SSH_SERVER_HOST} | ${SSH_SERVER_NAME} ${ALIASES} | ${SSH_SERVER_USER} | ${SSH_SERVER_PORT}"
+			INDEX=$((INDEX+1))
+		done
+
+	done
+	shopt -u nullglob
+
+}
+popup_menu() {
+	local SERVER
+	SERVER=$(echo -e "${SERVERS}" | column -t -s "|" -o "|" | fzf -e --tac --with-nth=1,3,4,5,6 --delimiter="|")
+	local GROUP_NAME HOST_INDEX
+	GROUP_NAME=$(echo "$SERVER" | awk -F '|' '{print $1}' | xargs)
+	HOST_INDEX=$(echo "$SERVER" | awk -F '|' '{print $2}' | xargs)
+	ssh_connect "$GROUP_NAME" "$HOST_INDEX"
+}
+ssh_connect() {
+	local SERVER SSH_SERVER_USER SSH_SERVER_HOST SSH_SERVER_PORT SSH_SERVER_OPTIONS SSH_JUMP_HOST
+	SERVER=$(cat "$HOSTS_DIR/$1.yaml" | yq -r '.servers'"[$2]")
+	SSH_SERVER_USER=$(jq -r '.user // "'"$DEFAULT_SSH_USER"'"' <<<"$SERVER")
+	SSH_SERVER_HOST=$(jq -r '.host // ""' <<<"$SERVER")
+	SSH_SERVER_PORT=$(jq -r '.port // "'"$DEFAULT_SSH_PORT"'"' <<<"$SERVER")
+
+	SSH_SERVER_OPTIONS="-p $SSH_SERVER_PORT"
+	SSH_JUMP_HOST=$(jq -r '.jump_host // ""' <<<"$SERVER")
+	if [ "$SSH_JUMP_HOST" != "" ]; then
+		SSH_JUMP_HOST=$(jq -r '.'"$SSH_JUMP_HOST"' // ""' <<<"${SSH_JUMP_HOSTS}")
+		SSH_JUMP_HOST="-t $SSH_JUMP_HOST ssh -p $SSH_SERVER_PORT"
+		SSH_SERVER_OPTIONS=""
+	fi
+
+	echo "ssh ${SSH_SERVER_OPTIONS} ${SSH_JUMP_HOST} ${SSH_SERVER_USER}@${SSH_SERVER_HOST}"
+	ssh ${SSH_SERVER_OPTIONS} ${SSH_JUMP_HOST} "${SSH_SERVER_USER}"@"${SSH_SERVER_HOST}"
+}
+
+main() {
+	load_config
+	popup_menu
+}
+
+main

sample-config/global.yaml

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+ssh:
+  default_user: root
+  default_port: 22
+  default_options: ""
+  jump_hosts:
+    office: "user@192.168.10.11"

sample-config/hosts/dev.yaml

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+group: dev
+servers:
+  - name: api-1
+    aliases:
+      - api
+      - backend
+    host: 192.168.10.11
+    user: dev
+    port: 2222
+
+  - name: web-1
+    aliases:
+      - frontend
+      - ui
+    host: 192.168.10.12
+    user: dev
+    port: 22

sample-config/hosts/prod.yaml

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+group: prod
+servers:
+  - name: web-1
+    aliases:
+      - frontend
+      - web
+    host: web-1.prod.internal
+    jump_host: office
+
+  - name: db-1
+    aliases:
+      - database
+      - sql
+    host: 10.0.0.20
+    jump_host: office

sample-config/hosts/staging.yaml

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+group: staging
+servers:
+  - name: app-1
+    aliases:
+      - app
+      - application
+    host: staging-app.example.com
+    user: ubuntu
+    port: 22
+    ssh_options: ""
+
+  - name: worker-1
+    aliases:
+      - worker
+    host: 10.20.0.15
+    user: ubuntu
+    port: 22