provisioned volume checkpoint

create-linode.sh

@@ -24,6 +24,10 @@ VOLUME_NAME="ValVol202609"
 VOLUME_DEVICE="/dev/disk/by-id/scsi-0Linode_Volume_$VOLUME_NAME"
 VOLUME_MOUNT="/mnt/$VOLUME_NAME"
 
+# StackScript that mounts the volume on first boot (see stackscript.md).
+# Enter the numeric StackScript ID manually after creating it in the Linode UI.
+STACKSCRIPT_ID="2225110"
+
 if [[ "$SCRIPT_ACTION" == "" || "$SCRIPT_ACTION" == "--help" || "$SCRIPT_ACTION" == "-?" ]]; then
   echo "Linode helper script: create-linode.sh <action> <label> [args]"
   echo "Create:  create-linode.sh c <new label>"
@@ -45,6 +49,8 @@ if [[ "$SCRIPT_ACTION" == "c" ]]; then
   INSTANCE_SIZE="g6-standard-4"
   INSTANCE_IMAGE="linode/debian13"
 
+  # The StackScript (see stackscript.md) runs as root on first boot and mounts
+  # the volume, so no SSH session is needed to configure it.
   curl -s -H "Content-Type: application/json" \
     -H "Authorization: Bearer $LINODE_API_KEY" \
     -X POST -d '{
@@ -53,11 +59,29 @@ if [[ "$SCRIPT_ACTION" == "c" ]]; then
           "type": "'$INSTANCE_SIZE'",
           "image": "'$INSTANCE_IMAGE'",
           "root_pass": "'$ROOT_PASS'",
-          "authorized_users": ["ni7ne_midpriv"]
+          "authorized_users": ["ni7ne_midpriv"],
+          "stackscript_id": '$STACKSCRIPT_ID'
         }' \
     https://api.linode.com/v4/linode/instances | jq .
 
-  sleep 60
+  # Wait for the Linode to finish provisioning instead of blindly sleeping.
+  # Poll the status until it reports "running", which is the state required
+  # before the volume can be attached. 60 attempts x 10s = 10 minute ceiling.
+  INSTANCE_STATUS=""
+  for _ in $(seq 1 60); do
+    INSTANCE_STATUS=$(curl -s -H "Authorization: Bearer $LINODE_API_KEY" https://api.linode.com/v4/linode/instances | jq -r '.data[] | select(.label == "'$LINODE_LABEL'") | .status')
+    if [[ "$INSTANCE_STATUS" == "running" ]]; then
+      break
+    fi
+    echo "Waiting for $LINODE_LABEL to reach running (status: ${INSTANCE_STATUS:-unknown})..."
+    sleep 10
+  done
+
+  if [[ "$INSTANCE_STATUS" != "running" ]]; then
+    echo "ERROR: $LINODE_LABEL did not reach running (last status: ${INSTANCE_STATUS:-unknown})." >&2
+    exit 1
+  fi
+
   INSTANCE_IP=$(curl -s -H "Authorization: Bearer $LINODE_API_KEY" https://api.linode.com/v4/linode/instances | jq '.data[] | select(.label == "'$LINODE_LABEL'") | .ipv4[]' | sed -e "s/\"//g")
   INSTANCE_ID=$(curl -s -H "Authorization: Bearer $LINODE_API_KEY" https://api.linode.com/v4/linode/instances | jq '.data[] | select(.label == "'$LINODE_LABEL'") | .id' | sed -e "s/\"//g")
   echo "Instance IP: $INSTANCE_IP"
@@ -73,16 +97,10 @@ if [[ "$SCRIPT_ACTION" == "c" ]]; then
         }' \
     https://api.linode.com/v4/volumes/$VOLUME_ID/attach | jq .
 
-  # Give the volume a moment to appear on the instance before mounting it.
+  # Give the volume a moment to appear on the instance before the StackScript
+  # (which runs on first boot) mounts it.
   sleep 15
 
-  # SSH CONFIG BLOCK
-  ssh -o "StrictHostKeyChecking no" root@$INSTANCE_IP "mkdir -p $VOLUME_MOUNT"
-  ssh -o "StrictHostKeyChecking no" root@$INSTANCE_IP "mount $VOLUME_DEVICE $VOLUME_MOUNT"
-  # Mount on every boot, without duplicating the line on re-runs.
-  ssh -o "StrictHostKeyChecking no" root@$INSTANCE_IP "grep -q '$VOLUME_DEVICE' /etc/fstab || echo '$VOLUME_DEVICE $VOLUME_MOUNT ext4 defaults,noatime,nofail 0 2' >> /etc/fstab"
-  # END SSH CONFIG BLOCK
-
   echo "$(date -Iminutes) --- Id:$INSTANCE_ID --- IP:$INSTANCE_IP Summoned $LINODE_LABEL with volume $VOLUME_ID." >>$LOGFILE
   echo "Started with root pass $ROOT_PASS"
 
@@ -125,7 +143,7 @@ if [[ "$SCRIPT_ACTION" == "x" ]]; then
 
   if [[ "$REMOTE_ACTION" == "" ]]; then
     echo "Connecting: $INSTANCE_IP"
-    ssh root@$INSTANCE_IP
+    ssh -o "StrictHostKeyChecking no" root@$INSTANCE_IP
   fi
 
 fi