init

scripts/vm/env.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+# Shared environment for all VM scripts.
+# Source this — don't execute directly.
+
+# Caller must set QEMU_VM, or we fall back to PATH lookup.
+QEMU_VM="${QEMU_VM:-qemu-vm}"
+
+BRIDGE=qemu-br0
+GATEWAY=10.10.0.1/24
+SUBNET=10.10.0.0/24
+NETWORK=lab
+
+PROXY_VM=vm-proxy
+PROXY_IP=10.10.0.2/24
+
+IDP_VM=vm-idp
+IDP_IP=10.10.0.3/24
+
+PROXY_HOST="${PROXY_IP%%/*}"
+IDP_HOST="${IDP_IP%%/*}"
+
+SSH_USER=debian
+SSH_OPTS="-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=ERROR"
+
+clear_host_keys() {
+    ssh-keygen -R "$PROXY_HOST" 2>/dev/null || true
+    ssh-keygen -R "$IDP_HOST" 2>/dev/null || true
+}
+
+learn_host_keys() {
+    ssh-keyscan -H "$PROXY_HOST" >> ~/.ssh/known_hosts 2>/dev/null
+    ssh-keyscan -H "$IDP_HOST" >> ~/.ssh/known_hosts 2>/dev/null
+}
+
+wait_ssh() {
+    _host=$1 _i=0
+    while [ "$_i" -lt 60 ]; do
+        # shellcheck disable=SC2086
+        if ssh $SSH_OPTS "${SSH_USER}@${_host}" true 2>/dev/null; then
+            return 0
+        fi
+        _i=$((_i + 1))
+        sleep 1
+    done
+    echo "SSH timeout: ${_host}" >&2
+    return 1
+}