- **Full IaaS Service Support** - Complete implementation of ArvanCloud IaaS resources and data sources using IaaS's public APIs (v1 and v2) - **IaaS Resources** (20 resources): - `resource/arvancloud_iaas_server` - Virtual machine management - `resource/arvancloud_iaas_server_action` - Server power management (start, stop, reboot, etc. - no import support) - `resource/arvancloud_iaas_volume` - Block storage volumes - `resource/arvancloud_iaas_volume_attachment` - Attach volumes to servers - `resource/arvancloud_iaas_snapshot` - Server snapshots - `resource/arvancloud_iaas_snapshot_volume` - Volume snapshots - `resource/arvancloud_iaas_file_storage` - NFS file storage - `resource/arvancloud_iaas_file_storage_attachment` - Mount file storage to servers - `resource/arvancloud_iaas_network` - Private networks - `resource/arvancloud_iaas_network_attachment` - Attach servers to networks - `resource/arvancloud_iaas_floating_ip` - Floating IP management - `resource/arvancloud_iaas_floating_ip_attachment` - Attach floating IPs to servers - `resource/arvancloud_iaas_public_ip` - Additional public IPs for servers - `resource/arvancloud_iaas_security_group` - Security groups (firewall) - `resource/arvancloud_iaas_security_group_rule` - Security group rules - `resource/arvancloud_iaas_security_group_attachment` - Attach security groups to servers - `resource/arvancloud_iaas_ssh_key` - SSH key management - `resource/arvancloud_iaas_image` - Custom image management - `resource/arvancloud_iaas_ptr_record` - Reverse DNS (PTR) records - **IaaS Data Sources** (16 data sources): - `data/arvancloud_iaas_regions` - Available regions - `data/arvancloud_iaas_availability_zones` - Availability zones per region - `data/arvancloud_iaas_flavors` - Server flavors (CPU, RAM, disk configurations) - `data/arvancloud_iaas_images` - Available OS images - `data/arvancloud_iaas_servers` - Query existing servers - `data/arvancloud_iaas_volumes` - Query block volumes - `data/arvancloud_iaas_volume_limits` - Volume quota and limits - `data/arvancloud_iaas_snapshots` - Query snapshots - `data/arvancloud_iaas_file_storages` - Query file storages - `data/arvancloud_iaas_networks` - Query private networks - `data/arvancloud_iaas_floating_ips` - Query floating IPs - `data/arvancloud_iaas_security_groups` - Query security groups - `data/arvancloud_iaas_ssh_keys` - Query SSH keys - `data/arvancloud_iaas_backups` - Query server backups - `data/arvancloud_iaas_backup_slots` - Backup slot availability - `data/arvancloud_iaas_backup_s3_providers` - S3 backup providers - Comprehensive documentation for all IaaS resources and data sources - Complete example configurations for all IaaS resources and data sources - Terraform import support for IaaS attachment resources with composite ID formats