spawn/vultr/lib/common.sh

#!/bin/bash
# Common bash functions for Vultr spawn scripts

# Bash safety flags
set -eo pipefail

# ============================================================
# Provider-agnostic functions
# ============================================================

# Source shared provider-agnostic functions (local or remote fallback)
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" 2>/dev/null && pwd)"
if [[ -n "$SCRIPT_DIR" && -f "$SCRIPT_DIR/../../shared/common.sh" ]]; then
    source "$SCRIPT_DIR/../../shared/common.sh"
else
    eval "$(curl -fsSL https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/shared/common.sh)"
fi

# Note: Provider-agnostic functions (logging, OAuth, browser, nc_listen) are now in shared/common.sh

# ============================================================
# Vultr specific functions
# ============================================================

readonly VULTR_API_BASE="https://api.vultr.com/v2"
# SSH_OPTS is now defined in shared/common.sh

# Configurable timeout/delay constants
INSTANCE_STATUS_POLL_DELAY=${INSTANCE_STATUS_POLL_DELAY:-5}  # Delay between instance status checks

vultr_api() {
    local method="$1"
    local endpoint="$2"
    local body="${3:-}"
    generic_cloud_api "$VULTR_API_BASE" "$VULTR_API_KEY" "$method" "$endpoint" "$body"
}

test_vultr_token() {
    local response
    response=$(vultr_api GET "/account")
    if echo "$response" | grep -q '"account"'; then
        log_info "API key validated"
        return 0
    else
        local error_msg
        error_msg=$(echo "$response" | python3 -c "import json,sys; d=json.loads(sys.stdin.read()); print(d.get('error','No details available'))" 2>/dev/null || echo "Unable to parse error")
        log_error "API Error: $error_msg"
        log_warn "Remediation steps:"
        log_warn "  1. Verify API key at: https://my.vultr.com/settings/#settingsapi"
        log_warn "  2. Ensure the key has appropriate permissions"
        log_warn "  3. Check key hasn't been revoked"
        return 1
    fi
}

ensure_vultr_token() {
    ensure_api_token_with_provider \
        "Vultr" \
        "VULTR_API_KEY" \
        "$HOME/.config/spawn/vultr.json" \
        "https://my.vultr.com/settings/#settingsapi" \
        "test_vultr_token"
}

# Check if SSH key is registered with Vultr
vultr_check_ssh_key() {
    local fingerprint="$1"
    local existing_keys
    existing_keys=$(vultr_api GET "/ssh-keys")
    echo "$existing_keys" | grep -q "$fingerprint"
}

# Register SSH key with Vultr
vultr_register_ssh_key() {
    local key_name="$1"
    local pub_path="$2"
    local pub_key
    pub_key=$(cat "$pub_path")
    local json_pub_key
    json_pub_key=$(json_escape "$pub_key")
    local register_body="{\"name\":\"$key_name\",\"ssh_key\":$json_pub_key}"
    local register_response
    register_response=$(vultr_api POST "/ssh-keys" "$register_body")

    if echo "$register_response" | grep -q '"ssh_key"'; then
        return 0
    else
        # Parse error details
        local error_msg
        error_msg=$(echo "$register_response" | python3 -c "import json,sys; d=json.loads(sys.stdin.read()); print(d.get('error','Unknown error'))" 2>/dev/null || echo "$register_response")
        log_error "API Error: $error_msg"

        log_warn "Common causes:"
        log_warn "  - SSH key already registered with this name"
        log_warn "  - Invalid SSH key format (must be valid ed25519 public key)"
        log_warn "  - API key lacks write permissions"
        return 1
    fi
}

ensure_ssh_key() {
    ensure_ssh_key_with_provider vultr_check_ssh_key vultr_register_ssh_key "Vultr"
}

get_server_name() {
    local server_name
    server_name=$(get_resource_name "VULTR_SERVER_NAME" "Enter server name: ") || return 1

    if ! validate_server_name "$server_name"; then
        return 1
    fi

    echo "$server_name"
}

# get_cloud_init_userdata is now defined in shared/common.sh

create_server() {
    local name="$1"
    local plan="${VULTR_PLAN:-vc2-1c-2gb}"
    local region="${VULTR_REGION:-ewr}"
    # Ubuntu 24.04 x64 OS ID
    local os_id="${VULTR_OS_ID:-2284}"

    # Validate env var inputs to prevent injection into Python code
    validate_resource_name "$plan" || { log_error "Invalid VULTR_PLAN"; return 1; }
    validate_region_name "$region" || { log_error "Invalid VULTR_REGION"; return 1; }
    if [[ ! "$os_id" =~ ^[0-9]+$ ]]; then log_error "Invalid VULTR_OS_ID: must be numeric"; return 1; fi

    log_warn "Creating Vultr instance '$name' (plan: $plan, region: $region)..."

    # Get all SSH key IDs
    local ssh_keys_response
    ssh_keys_response=$(vultr_api GET "/ssh-keys")
    local ssh_key_ids
    ssh_key_ids=$(extract_ssh_key_ids "$ssh_keys_response" "ssh_keys")

    local userdata
    userdata=$(get_cloud_init_userdata)
    local userdata_b64
    userdata_b64=$(echo "$userdata" | base64 -w0 2>/dev/null || echo "$userdata" | base64)

    local body
    body=$(python3 -c "
import json
body = {
    'label': '$name',
    'hostname': '$name',
    'region': '$region',
    'plan': '$plan',
    'os_id': $os_id,
    'sshkey_id': $ssh_key_ids,
    'user_data': '$userdata_b64',
    'backups': 'disabled'
}
print(json.dumps(body))
")

    local response
    response=$(vultr_api POST "/instances" "$body")

    if echo "$response" | grep -q '"instance"'; then
        VULTR_SERVER_ID=$(echo "$response" | python3 -c "import json,sys; print(json.loads(sys.stdin.read())['instance']['id'])")
        export VULTR_SERVER_ID
        log_info "Instance created: ID=$VULTR_SERVER_ID"
    else
        log_error "Failed to create Vultr instance"

        # Parse error details
        local error_msg
        error_msg=$(echo "$response" | python3 -c "import json,sys; d=json.loads(sys.stdin.read()); print(d.get('error','Unknown error'))" 2>/dev/null || echo "$response")
        log_error "API Error: $error_msg"

        log_warn "Common issues:"
        log_warn "  - Insufficient account balance"
        log_warn "  - Plan/region unavailable (try different VULTR_PLAN or VULTR_REGION)"
        log_warn "  - Instance limit reached"
        log_warn "  - Invalid cloud-init userdata"
        log_warn "Remediation: Check https://my.vultr.com/"
        return 1
    fi

    # Wait for instance to get an IP
    log_warn "Waiting for instance to become active..."
    local max_attempts=60
    local attempt=1
    while [[ "$attempt" -le "$max_attempts" ]]; do
        local status_response
        status_response=$(vultr_api GET "/instances/$VULTR_SERVER_ID")
        local status
        status=$(echo "$status_response" | python3 -c "import json,sys; print(json.loads(sys.stdin.read())['instance']['status'])")
        local power
        power=$(echo "$status_response" | python3 -c "import json,sys; print(json.loads(sys.stdin.read())['instance']['power_status'])")

        if [[ "$status" == "active" && "$power" == "running" ]]; then
            VULTR_SERVER_IP=$(echo "$status_response" | python3 -c "import json,sys; print(json.loads(sys.stdin.read())['instance']['main_ip'])")
            export VULTR_SERVER_IP
            log_info "Instance active: IP=$VULTR_SERVER_IP"
            return 0
        fi

        log_warn "Instance status: $status/$power ($attempt/$max_attempts)"
        sleep "${INSTANCE_STATUS_POLL_DELAY}"
        ((attempt++))
    done

    log_error "Instance did not become active in time"
    return 1
}

verify_server_connectivity() {
    local ip="$1"
    local max_attempts=${2:-30}
    # SSH_OPTS is defined in shared/common.sh
    # shellcheck disable=SC2154
    generic_ssh_wait "root" "$ip" "$SSH_OPTS -o ConnectTimeout=5" "echo ok" "SSH connectivity" "$max_attempts" 5
}


run_server() {
    local ip="$1"; local cmd="$2"
    # shellcheck disable=SC2086
    ssh $SSH_OPTS "root@$ip" "$cmd"
}

upload_file() {
    local ip="$1"; local local_path="$2"; local remote_path="$3"
    # shellcheck disable=SC2086
    scp $SSH_OPTS "$local_path" "root@$ip:$remote_path"
}

interactive_session() {
    local ip="$1"; local cmd="$2"
    ssh -t $SSH_OPTS "root@$ip" "$cmd"
}

destroy_server() {
    local server_id="$1"
    log_warn "Destroying instance $server_id..."
    vultr_api DELETE "/instances/$server_id"
    log_info "Instance $server_id destroyed"
}

list_servers() {
    local response
    response=$(vultr_api GET "/instances")
    python3 -c "
import json, sys
data = json.loads(sys.stdin.read())
instances = data.get('instances', [])
if not instances:
    print('No instances found')
    sys.exit(0)
print(f\"{'LABEL':<25} {'ID':<40} {'STATUS':<12} {'IP':<16} {'PLAN':<15}\")
print('-' * 108)
for i in instances:
    label = i.get('label', 'N/A')
    iid = i['id']
    status = i['status']
    ip = i.get('main_ip', 'N/A')
    plan = i['plan']
    print(f'{label:<25} {iid:<40} {status:<12} {ip:<16} {plan:<15}')
" <<< "$response"
}