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core: validate container ID before pct create to prevent failures (#10729)
* feat: validate container ID before pct create to prevent failures Add validation to ensure container IDs are not already in use before attempting to create containers. This prevents pct create failures when an ID is already assigned to a VM/LXC or used in LVM volumes. Changes: - Add validate_container_id() and get_valid_container_id() functions to build.func - Validate ID in base_settings() for default installation method - Validate ID in advanced_settings() dialog with user prompt for next available ID - Add validation to turnkey.sh with interactive dialog - Add validation to all-templates.sh with automatic ID correction Checks performed: - Container config file existence (/etc/pve/lxc/*.conf) - VM config file existence (/etc/pve/qemu-server/*.conf) - LVM logical volume usage Fixes issue where container creation would fail if the suggested/chosen ID was already in use. * feat: validate container ID before pct create to prevent failures Add validation to ensure container IDs are not already in use before attempting to create containers. This prevents pct create failures when an ID is already assigned to a VM/LXC or used in LVM volumes. Changes: - Add validate_container_id() and get_valid_container_id() functions to build.func - Validate ID in base_settings() for default installation method - Validate ID in advanced_settings() dialog with user prompt for next available ID - Add validation to turnkey.sh with interactive dialog - Add validation to all-templates.sh with automatic ID correction Checks performed: - Container config file existence (/etc/pve/lxc/*.conf) - VM config file existence (/etc/pve/qemu-server/*.conf) - LVM logical volume usage Fixes issue where container creation would fail if the suggested/chosen ID was already in use. * Update turnkey.sh * Update build.func
This commit is contained in:
CanbiZ (MickLesk)
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GitHub
GitHub
parent
97c6c4558a
commit
1ccf90cb27
124
misc/build.func
124
misc/build.func
@@ -231,6 +231,100 @@ install_ssh_keys_into_ct() {
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return 0
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}
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# ------------------------------------------------------------------------------
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# validate_container_id()
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#
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# - Validates if a container ID is available for use
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# - Checks if ID is already used by VM or LXC container
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# - Checks if ID is used in LVM logical volumes
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# - Returns 0 if ID is available, 1 if already in use
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# ------------------------------------------------------------------------------
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validate_container_id() {
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local ctid="$1"
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# Check if ID is numeric
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if ! [[ "$ctid" =~ ^[0-9]+$ ]]; then
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return 1
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fi
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# Check if config file exists for VM or LXC
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if [[ -f "/etc/pve/qemu-server/${ctid}.conf" ]] || [[ -f "/etc/pve/lxc/${ctid}.conf" ]]; then
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return 1
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fi
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# Check if ID is used in LVM logical volumes
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if lvs --noheadings -o lv_name 2>/dev/null | grep -qE "(^|[-_])${ctid}($|[-_])"; then
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return 1
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fi
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return 0
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}
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# ------------------------------------------------------------------------------
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# get_valid_container_id()
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#
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# - Returns a valid, unused container ID
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# - If provided ID is valid, returns it
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# - Otherwise increments from suggested ID until a free one is found
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# - Calls validate_container_id() to check availability
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# ------------------------------------------------------------------------------
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get_valid_container_id() {
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local suggested_id="${1:-$(pvesh get /cluster/nextid)}"
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while ! validate_container_id "$suggested_id"; do
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suggested_id=$((suggested_id + 1))
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done
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echo "$suggested_id"
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}
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# ------------------------------------------------------------------------------
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# validate_container_id()
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#
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# - Validates if a container ID is available for use
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# - Checks if ID is already used by VM or LXC container
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# - Checks if ID is used in LVM logical volumes
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# - Returns 0 if ID is available, 1 if already in use
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# ------------------------------------------------------------------------------
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validate_container_id() {
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local ctid="$1"
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# Check if ID is numeric
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if ! [[ "$ctid" =~ ^[0-9]+$ ]]; then
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return 1
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fi
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# Check if config file exists for VM or LXC
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if [[ -f "/etc/pve/qemu-server/${ctid}.conf" ]] || [[ -f "/etc/pve/lxc/${ctid}.conf" ]]; then
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return 1
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fi
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# Check if ID is used in LVM logical volumes
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if lvs --noheadings -o lv_name 2>/dev/null | grep -qE "(^|[-_])${ctid}($|[-_])"; then
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return 1
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fi
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return 0
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}
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# ------------------------------------------------------------------------------
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# get_valid_container_id()
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#
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# - Returns a valid, unused container ID
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# - If provided ID is valid, returns it
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# - Otherwise increments from suggested ID until a free one is found
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# - Calls validate_container_id() to check availability
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# ------------------------------------------------------------------------------
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get_valid_container_id() {
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local suggested_id="${1:-$(pvesh get /cluster/nextid)}"
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while ! validate_container_id "$suggested_id"; do
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suggested_id=$((suggested_id + 1))
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done
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echo "$suggested_id"
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}
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# ------------------------------------------------------------------------------
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# find_host_ssh_keys()
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#
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@@ -483,7 +577,15 @@ base_settings() {
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RAM_SIZE="${final_ram}"
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VERBOSE=${var_verbose:-"${1:-no}"}
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PW=${var_pw:-""}
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CT_ID=${var_ctid:-$NEXTID}
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# Validate and set Container ID
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local requested_id="${var_ctid:-$NEXTID}"
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if ! validate_container_id "$requested_id"; then
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msg_warn "Container ID $requested_id is already in use. Using next available ID: $(get_valid_container_id "$requested_id")"
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requested_id=$(get_valid_container_id "$requested_id")
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fi
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CT_ID="$requested_id"
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HN=${var_hostname:-$NSAPP}
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BRG=${var_brg:-"vmbr0"}
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NET=${var_net:-"dhcp"}
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@@ -1308,7 +1410,25 @@ advanced_settings() {
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--ok-button "Next" --cancel-button "Back" \
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--inputbox "\nSet Container ID" 10 58 "$_ct_id" \
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3>&1 1>&2 2>&3); then
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_ct_id="${result:-$NEXTID}"
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local input_id="${result:-$NEXTID}"
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# Validate that ID is numeric
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if ! [[ "$input_id" =~ ^[0-9]+$ ]]; then
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "Invalid ID" --msgbox "Container ID must be numeric." 8 58
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continue
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fi
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# Check if ID is already in use
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if ! validate_container_id "$input_id"; then
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if whiptail --backtitle "Proxmox VE Helper Scripts" --title "ID Already In Use" \
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--yesno "Container/VM ID $input_id is already in use.\n\nWould you like to use the next available ID ($(get_valid_container_id "$input_id"))?" 10 58; then
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_ct_id=$(get_valid_container_id "$input_id")
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else
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continue
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fi
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else
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_ct_id="$input_id"
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fi
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((STEP++))
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else
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((STEP--))
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