volume checkpoint

create-linode.sh

@@ -13,15 +13,22 @@ source .env
 #ROOT_PASS="StartRootPass5678"
 SCRIPT_ACTION=$1
 LINODE_LABEL=$2
-# ni7ne 1997630
 # oily 2111036
 WHICH_DOMAIN="2111036"
 LOGFILE="./linodes.log"
 
+# Pre-existing Valheim volume, attached to every Linode at creation time.
+# The filesystem (mkfs.ext4) was already created; see voldirections.txt.
+VOLUME_ID="18073448"
+VOLUME_NAME="ValVol202609"
+VOLUME_DEVICE="/dev/disk/by-id/scsi-0Linode_Volume_$VOLUME_NAME"
+VOLUME_MOUNT="/mnt/$VOLUME_NAME"
+
 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>"
-  echo "         (fixed size: 8GB shared, newest Debian image)"
+  echo "         (fixed size: 8GB shared, newest Debian image;"
+  echo "          attaches and mounts volume $VOLUME_NAME)"
   echo "Destroy: create-linode.sh d <label>"
   echo "Connect: create-linode.sh x <label>"
   echo "         create-linode.sh x <label> get <remote source> <local dest>"
@@ -56,11 +63,27 @@ if [[ "$SCRIPT_ACTION" == "c" ]]; then
   echo "Instance IP: $INSTANCE_IP"
   echo "Instance ID: $INSTANCE_ID"
 
+  # Attach the pre-existing Valheim volume (see voldirections.txt).
+  # The volume must be attached to a running Linode; the image boots on create.
+  curl -s -H "Content-Type: application/json" \
+    -H "Authorization: Bearer $LINODE_API_KEY" \
+    -X POST -d '{
+          "linode_id": '$INSTANCE_ID',
+          "persist_across_boots": true
+        }' \
+    https://api.linode.com/v4/volumes/$VOLUME_ID/attach | jq .
+
+  # Give the volume a moment to appear on the instance before mounting it.
+  sleep 15
+
   # SSH CONFIG BLOCK
-  #ssh -o "StrictHostKeyChecking no" root@$INSTANCE_IP "apt update && apt install -y jq"
+  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 $LINODE_LABEL." >>$LOGFILE
+  echo "$(date -Iminutes) --- Id:$INSTANCE_ID --- IP:$INSTANCE_IP Summoned $LINODE_LABEL with volume $VOLUME_ID." >>$LOGFILE
   echo "Started with root pass $ROOT_PASS"
 
 fi
@@ -113,7 +136,7 @@ if [[ "$SCRIPT_ACTION" == "a" ]]; then
   INSTANCE_IP=$(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")
 
   NI_SUBDOMAIN=$3
-  echo "Previous value ni7ne:"
+  echo "Previous value:"
   curl -s -H "Authorization: Bearer $LINODE_API_KEY" \
     https://api.linode.com/v4/domains/$WHICH_DOMAIN/records | jq .