Refactor deploy-to-proxmox.sh to improve container existence check and streamline storage selection: implement logic to verify if the cm4-provisioning container exists, adjust storage selection process accordingly, and enhance logging for better user feedback. Update documentation for clarity on new behavior.

chromium-setup/emmc-provisioning/scripts/deploy-to-proxmox.sh

@@ -3,11 +3,12 @@
 # LXC container (dashboard), usbboot (rpiboot), and PiShrink. Uses hostname "cm4-provisioning"
 # to find the container on redeploy; creates with next available ID if not found.
 #
-# Redeploy (re-run) behaviour: skips steps that are already configured so you can update
+# Redeploy (re-run) behaviour: checks first if the cm4-provisioning container exists;
-# only what changed. Always updates: host scripts, dashboard files, env, systemd/udev.
+# if so, skips storage selection. Skips other steps that are already configured so you
-# Skips when present: LXC creation, backups bind-mount (if same path), usbboot, PiShrink,
+# can update only what changed. Always updates: host scripts, dashboard files, env,
-# LXC python3-flask and openssh-server apt installs. Set DEPLOY_ROOTFS_STORAGE to avoid
+# systemd/udev. Skips when present: LXC creation, backups bind-mount (if same path),
-# storage prompt on redeploy.
+# usbboot, PiShrink, LXC python3-flask and openssh-server apt installs. Set
+# DEPLOY_ROOTFS_STORAGE to avoid storage prompt on first deploy (when container is new).
 #
 # With host internet: installs usbboot and PiShrink so USB flash/backup and dashboard
 # Shrink/Compress work. The only manual step left is to add a golden image for Deploy.
@@ -62,21 +63,45 @@ if [[ -n "$KEY_FILE" && -f "$KEY_FILE" ]]; then
 fi
 
 log "Deploying to $PROXMOX ..."
-log "[1/5] Cleaning remote staging dir ..."
+log "[1/5] Checking if cm4-provisioning container exists and listing storage ..."
-ssh "$PROXMOX" "rm -rf /tmp/emmc-provisioning-deploy"
+REMOTE_CHECK=$(ssh "$PROXMOX" "bash -s" << 'REMOTECHECK'
-log "[2/5] Rsync repo to $PROXMOX ..."
+LXC_HOSTNAME="cm4-provisioning"
-rsync -a "$REPO_DIR/" "$PROXMOX:/tmp/emmc-provisioning-deploy/" --exclude='.git' --exclude='scripts/deploy-to-proxmox.sh' --exclude='scripts/deploy-*.log'
+LXC_EXISTS=0
+for id in $(pct list 2>/dev/null | awk 'NR>1 {print $1}'); do
+  h=$(pct config "$id" 2>/dev/null | sed -n 's/^hostname: *//p')
+  if [[ "$h" == "$LXC_HOSTNAME" ]]; then LXC_EXISTS=1; break; fi
+done
+echo "LXC_EXISTS=$LXC_EXISTS"
+pvesm status 2>/dev/null | awk 'NR>1 { sub(/^[ \t]+/, ""); if ($2!="pbs" && $3~/active/) print $1 }'
+REMOTECHECK
+)
 
-# --- Ask user to select LXC rootfs storage (from host; PBS excluded) ---
+first_line=
-# Normalize: trim leading spaces so first column is storage name (pvesm can align columns)
-STORAGE_LIST=$(ssh "$PROXMOX" "pvesm status 2>/dev/null | awk 'NR>1 { sub(/^[ \t]+/, \"\"); if (\$2!=\"pbs\" && \$3~/active/) print \$1 }'" 2>/dev/null || true)
 storages=()
-while IFS= read -r line; do [[ -n "$line" ]] && storages+=("$line"); done <<< "$STORAGE_LIST"
+while IFS= read -r line; do
+  if [[ -z "$first_line" ]]; then
+    first_line="$line"
+  else
+    [[ -n "$line" ]] && storages+=("$line")
+  fi
+done <<< "$REMOTE_CHECK"
+
+if [[ "$first_line" == "LXC_EXISTS=1" ]]; then
+  LXC_ALREADY_EXISTS=1
+  log "Container cm4-provisioning already exists; no storage selection needed."
+  if [[ ${#storages[@]} -eq 0 ]]; then
+    log "Error: no Proxmox storage found on host (needed for validation). Run on host: pvesm status"
+    exit 1
+  fi
+  ROOTFS_STORAGE="${storages[0]}"
+  log "Using storage $ROOTFS_STORAGE for validation only."
+else
+  LXC_ALREADY_EXISTS=0
   if [[ ${#storages[@]} -eq 0 ]]; then
     log "Error: no Proxmox storage found on host (PBS excluded). Run on host: pvesm status"
     exit 1
   fi
-# If DEPLOY_ROOTFS_STORAGE is set and in the list, use it without prompting
+  # --- Ask user to select LXC rootfs storage only when creating new container ---
   if [[ -n "${DEPLOY_ROOTFS_STORAGE:-}" ]]; then
     for s in "${storages[@]}"; do
       if [[ "$s" == "$DEPLOY_ROOTFS_STORAGE" ]]; then
@@ -109,8 +134,14 @@ if [[ -z "${ROOTFS_STORAGE:-}" ]]; then
       done
     fi
   fi
+fi
 
-log "[3/5] Running remote install (host + LXC) ..."
+log "[2/5] Cleaning remote staging dir ..."
+ssh "$PROXMOX" "rm -rf /tmp/emmc-provisioning-deploy"
+log "[3/5] Rsync repo to $PROXMOX ..."
+rsync -a "$REPO_DIR/" "$PROXMOX:/tmp/emmc-provisioning-deploy/" --exclude='.git' --exclude='scripts/deploy-to-proxmox.sh' --exclude='scripts/deploy-*.log'
+
+log "[4/5] Running remote install (host + LXC) ..."
 
 # Pass optional LXC SSH vars (base64) and selected storage
 ssh "$PROXMOX" "ROOTFS_STORAGE='$ROOTFS_STORAGE' CM4_BACKUPS_HOST_PATH='${CM4_BACKUPS_HOST_PATH:-}' DEPLOY_SSH_KEY_B64='${DEPLOY_SSH_KEY_B64:-}' DEPLOY_LXC_PWD_B64='${DEPLOY_LXC_PWD_B64:-}'" bash -s << 'REMOTE'
@@ -308,6 +339,7 @@ LXC_IP=$(pct exec "$CTID" -- hostname -I 2>/dev/null | awk '{print $1}')
 echo "${LXC_IP:-}" > "$DEPLOY/lxc_ip.txt"
 
 log "Deploy done on remote. LXC ID: $CTID"
+# Heredoc terminator (must be at column 1, no leading space/tab)
 REMOTE
 
 # Read LXC IP written by remote (container hostname -I)