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Add multi-machine support to forward-ssh.sh

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- Detects multiple private keys
- Adds validation for all discovered keys
- Defaults to "default" machine, with override via the first parameter
This commit is contained in:
Kris Lamoureux 2023-11-05 21:37:33 -05:00
parent a2e60972c7
commit be80681485
Signed by: kris
GPG Key ID: 3EDA9C3441EDA925
1 changed files with 22 additions and 5 deletions
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27
forward-ssh.sh
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@ -58,21 +58,38 @@ function ssh_connect {
}
# Check for valid PRIVATE_KEY location
PRIVATE_KEY="$(find .vagrant -name "private_key" 2>/dev/null)"
if ! ssh-keygen -l -f "$PRIVATE_KEY" &>/dev/null; then
echo "[ERROR]: The SSH key '$PRIVATE_KEY' is not valid. Is your virtual machine running?"
PRIVATE_KEY="$(find .vagrant -name "private_key" 2>/dev/null | sort)"
# Single vagrant machine or multiple
if [ "$(echo "$PRIVATE_KEY" | wc -l)" -gt 1 ]; then
while IFS= read -r KEYFILE; do
if ! ssh-keygen -l -f "$KEYFILE" &>/dev/null; then
echo "[ERROR]: The SSH key '$KEYFILE' is not valid. Is your virtual machines running?"
exit 1
fi
echo "[CHECK]: Valid key at $KEYFILE"
done < <(echo "$PRIVATE_KEY")
PRIVATE_KEY="$(echo "$PRIVATE_KEY" | grep -m1 "${1:-default}")"
elif ! ssh-keygen -l -f "$PRIVATE_KEY" &>/dev/null; then
echo "[ERROR]: The SSH key '$PRIVATE_KEY' is not valid. Is your virtual machine running?"
exit 1
else
echo "[CHECK]: Valid key at $PRIVATE_KEY"
fi
# Grab first IP or use whatever HOST_IP_FIELD is set to and check that the guest is up
HOST_IP="$(vagrant ssh -c "hostname -I | cut -d' ' -f${HOST_IP_FIELD:-1}" 2>/dev/null)"
HOST_IP="$(vagrant ssh -c "hostname -I | cut -d' ' -f${HOST_IP_FIELD:-1}" "${1:-default}" 2>/dev/null)"
if [ -z "$HOST_IP" ]; then
echo "[ERROR]: Failed to find ${1:-default}'s IP"
exit 1
fi
HOST_IP="${HOST_IP::-1}" # trim
if ! ping -c 1 "$HOST_IP" &>/dev/null; then
echo "[ERROR]: Cannot ping the host IP '$HOST_IP'"
exit 1
fi
echo "[CHECK]: Host at $HOST_IP is up"
echo "[CHECK]: Host at $HOST_IP (${1:-default}) is up"
# Pattern for matching processes running
MATCH_PATTERN="ssh -fNT -i ${PRIVATE_KEY}.*vagrant@"