gitpod/dev/preview/ssh-vm.sh
2022-05-04 17:36:20 +05:30

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#!/usr/bin/env bash
#
# Provides SSH access to the the VM where your preview environment is installed.
#
set -euo pipefail
THIS_DIR="$(dirname "$0")"
source "$THIS_DIR/util/preview-name-from-branch.sh"
if [[ -z "${VM_NAME:-}" ]]; then
VM_NAME="$(preview-name-from-branch)"
fi
NAMESPACE="preview-${VM_NAME}"
PRIVATE_KEY=$HOME/.ssh/vm_id_rsa
PUBLIC_KEY=$HOME/.ssh/vm_id_rsa.pub
PORT=8022
USER="ubuntu"
COMMAND=""
while getopts c:n:p:u:v: flag
do
case "${flag}" in
c) COMMAND="${OPTARG}";;
n) NAMESPACE="${OPTARG}";;
p) PORT="${OPTARG}";;
u) USER="${OPTARG}";;
v) VM_NAME="${OPTARG}";;
*) ;;
esac
done
function log {
echo "[$(date)] $*"
}
function has-harvester-access {
kubectl --context=harvester auth can-i get secrets > /dev/null 2>&1 || false
}
function set-up-ssh {
if [[ (! -f $PRIVATE_KEY) || (! -f $PUBLIC_KEY) ]]; then
echo Setting up ssh-keys
"$THIS_DIR"/util/install-vm-ssh-keys.sh
fi
}
if ! has-harvester-access; then
echo Setting up kubeconfig
"$THIS_DIR"/util/download-and-merge-harvester-kubeconfig.sh
fi
set-up-ssh
ssh "$USER"@127.0.0.1 \
-o UserKnownHostsFile=/dev/null \
-o StrictHostKeyChecking=no \
-o LogLevel=ERROR \
-o "ProxyCommand=$THIS_DIR/util/ssh-proxy-command.sh -p $PORT -n $NAMESPACE -v $VM_NAME" \
-i "$HOME/.ssh/vm_id_rsa" \
-p "$PORT" \
"$COMMAND"