jpalala · October 3, 2025 03:43 · Oct 3, 2025 · Oct 3, 2025 · Oct 3, 2025
diff --git a/picker.ssh.sh b/picker.ssh.sh
@@ -0,0 +1,73 @@
+#!/bin/bash
+
+# ==============================================================================
+# SSH History Selection Utility (ssh_history.sh)
+#
+# This script reads the user's bash history, filters for SSH connections,
+# and presents a unique list in an interactive numbered menu for selection.
+#
+# Dependencies: grep, awk, tac, uniq (standard Unix utilities)
+# ==============================================================================
+
+# Define the history file path. Adjust this if you use zsh (~/.zsh_history).
+HISTORY_FILE="$HOME/.bash_history"
+
+# --- Setup and Filtering ---
+
+if [ ! -f "$HISTORY_FILE" ]; then
+    echo "Error: History file not found at $HISTORY_FILE" >&2
+    exit 1
+fi
+
+# 1. Generate the unique, reversed list of hosts and store it in a temporary variable.
+HOST_LIST=$(grep -h "^ssh " "$HISTORY_FILE" |
+            awk '{print $2}' |
+            tac |
+            uniq)
+
+# Check if any SSH hosts were found
+if [ -z "$HOST_LIST" ]; then
+    echo "No unique SSH commands found in history."
+    exit 0
+fi
+
+# 2. Convert the newline-separated list into a Bash array.
+readarray -t HOST_ARRAY <<< "$HOST_LIST"
+
+echo "--- Select SSH Host (Enter the number, or 'q' to quit) ---"
+echo ""
+
+# --- Interactive Selection using 'select' ---
+
+# PS3 is the prompt string for the select loop
+PS3='Enter number to connect or "q" to quit: '
+
+# 'select host_choice in "${HOST_ARRAY[@]}"' creates a numbered menu.
+# The selected value is stored in 'host_choice'.
+select host_choice in "${HOST_ARRAY[@]}" "Quit"; do
+
+    # If the user selected an item (host_choice is not empty)
+    if [[ -n "$host_choice" ]]; then
+
+        if [[ "$host_choice" == "Quit" ]]; then
+            echo "Selection cancelled."
+            break # Exit the select loop
+        fi
+
+        # 4. Connect to the selected host by replacing the current shell process with SSH
+        echo "Connecting to: $host_choice..."
+
+        # Use 'exec' so when SSH exits, the script exits immediately without
+        # returning to the 'select' loop or requiring another 'break'.
+        exec ssh "$host_choice"
+
+    # Handle invalid input (e.g., entering text or an invalid number)
+    else
+        echo "Invalid selection. Please enter a number from the list or 'q' to quit."
+    fi
+done
+
+echo ""
+echo "-----------------------------------------------------"
+
+exit 0
diff --git a/ssh-picker.py b/ssh-picker.py
@@ -0,0 +1,82 @@
+import os
+import re
+import subprocess
+import sys
+
+def get_ssh_history():
+    """Reads ~/.bash_history and extracts unique SSH host strings."""
+    # NOTE: This assumes Bash history. Adjust for Zsh (~/.zsh_history) if needed.
+    history_file = os.path.expanduser("~/.bash_history")
+
+    # Regex to capture the host part of an SSH command: 'ssh user@host [options]'
+    SSH_REGEX = re.compile(r"^\s*ssh\s+([^-@\s]+(?:@\S+)?)") 
+
+    hosts = []
+
+    try:
+        # Read history file in reverse (newest first)
+        with open(history_file, 'r') as f:
+            for line in reversed(f.readlines()):
+                match = SSH_REGEX.search(line)
+                if match:
+                    host_string = match.group(1).split()[0] # Take only the first word after 'ssh'
+
+                    # Deduplicate the list
+                    if host_string not in hosts:
+                        hosts.append(host_string)
+    except FileNotFoundError:
+        print(f"Error: History file not found at {history_file}", file=sys.stderr)
+        sys.exit(1)
+
+    return hosts
+
+def run_fzf_selection(hosts):
+    """Pipes the list of hosts to fzf and returns the selected host."""
+
+    if not hosts:
+        print("No SSH commands found in history.", file=sys.stderr)
+        return None
+
+    try:
+        # 1. Join hosts with newlines for piping
+        input_data = "\n".join(hosts)
+
+        # 2. Call fzf via subprocess
+        # --no-sort ensures the history order (newest first) is maintained
+        # --prompt sets a helpful prompt text
+        process = subprocess.run(
+            ['fzf', '--no-sort', '--prompt=Select SSH Host: '],
+            input=input_data,
+            capture_output=True,
+            text=True,
+            check=True # Raise an exception for non-zero exit codes (e.g., fzf not installed)
+        )
+
+        # fzf prints the selected line to stdout
+        return process.stdout.strip()
+
+    except FileNotFoundError:
+        print("Error: 'fzf' is not installed or not in your PATH.", file=sys.stderr)
+        print("Please install fzf (e.g., 'brew install fzf' or 'sudo apt install fzf').", file=sys.stderr)
+        sys.exit(1)
+    except subprocess.CalledProcessError:
+        # User canceled fzf (e.g., pressed Esc)
+        sys.exit(0)
+
+def main():
+    history_hosts = get_ssh_history()
+    selected_host = run_fzf_selection(history_hosts)
+
+    if selected_host:
+        print(f"Connecting to: {selected_host}...")
+
+        # Crucial step: Use os.execvp to replace the current Python process 
+        # with the SSH process, passing control to the SSH client.
+        try:
+            os.execvp("ssh", ["ssh", selected_host])
+        except FileNotFoundError:
+            print("Error: 'ssh' command not found.", file=sys.stderr)
+            sys.exit(1)
+
+if __name__ == "__main__":
+    main()
diff --git a/bastion-connector.sh b/bastion-connector.sh
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# bastion-connector.sh
+# Simple helper to SSH into private VPC hosts via a bastion jump server.
+
+# Usage:
+#   ./bastion-connector.sh <TARGET_PRIVATE_IP> [USERNAME]
+#
+# Example:
+#   ./bastion-connector.sh 10.15.3.42 ubuntu
+#   ./bastion-connector.sh 10.15.7.10 root
+
+# --- Configurable Variables ---
+BASTION_HOST="bastion.vpc.example.com"  # Change to your real bastion hostname/IP
+TARGET_IP="$1"
+TARGET_USER="${2:-ubuntu}"   # Default username if not provided
+
+# --- Validation ---
+if [ -z "$TARGET_IP" ]; then
+  echo "Usage: $0 <TARGET_PRIVATE_IP> [USERNAME]"
+  exit 1
+fi
+
+echo "🔌 Connecting to $TARGET_IP via bastion $BASTION_HOST ..."
+ssh -J "$TARGET_USER@$BASTION_HOST" "$TARGET_USER@$TARGET_IP"