feat(iaas): min/max acc tests (#811)

* feat(iaas): security group min/max acc test

* feat(iaas): image min/max acc test

* feat(iaas): KeyPair min/max acc test

* feat(iaas): Network area min/max acc test
- fix: wrong atLeast-validator for `minimum_prefix_length`

* feat(iaas): Network min/max acc test

* feat(iaas): Volume min/max acc test
- fix: volume update doesn't work if no name was defined
- fix: volume.server_id can not be set
- fix: error message volume.size returns value but was null

* feat(iaas): Network interfaces min/max acc test

* feat(iaas): Affinity groups acc test

* feat(iaas): Server min/max acc test
- stackit_server_volume_attach
- stackit_server_network_interface_attach
- stackit_server_service_account_attach

* fix(iaas): acc test
- image: fix read of Config.VirtioScsi
- keypair: add missing RequiresReplace() for name
- server: add missing UserData read in datasource and resource

* feat(iaas): public ip acc test
- fix: when a nic is assigned to a public ip, the field network_interface_id leads to recreation

stackit/internal/services/iaas/testdata/resource-security-group-max.tf

@@ -0,0 +1,72 @@
+variable "project_id" {}
+
+variable "name" {}
+variable "description" {}
+variable "description_rule" {}
+variable "label" {}
+variable "stateful" {}
+variable "direction" {}
+variable "ether_type" {}
+variable "ip_range" {}
+variable "port" {}
+variable "protocol" {}
+variable "icmp_code" {}
+variable "icmp_type" {}
+variable "name_remote" {}
+
+resource "stackit_security_group" "security_group" {
+  project_id  = var.project_id
+  name        = var.name
+  description = var.description
+  labels = {
+    "acc-test" : var.label
+  }
+  stateful = var.stateful
+}
+
+resource "stackit_security_group_rule" "security_group_rule" {
+  project_id        = var.project_id
+  security_group_id = stackit_security_group.security_group.security_group_id
+  direction         = var.direction
+
+  description = var.description_rule
+  ether_type  = var.ether_type
+  port_range = {
+    min = var.port
+    max = var.port
+  }
+  protocol = {
+    name = var.protocol
+  }
+  ip_range = var.ip_range
+}
+
+resource "stackit_security_group_rule" "security_group_rule_icmp" {
+  project_id        = var.project_id
+  security_group_id = stackit_security_group.security_group.security_group_id
+  direction         = var.direction
+
+  description = var.description_rule
+  ether_type  = var.ether_type
+  icmp_parameters = {
+    code = var.icmp_code
+    type = var.icmp_type
+  }
+  protocol = {
+    name = "icmp"
+  }
+  ip_range = var.ip_range
+}
+
+resource "stackit_security_group" "security_group_remote" {
+  project_id = var.project_id
+  name       = var.name_remote
+}
+
+resource "stackit_security_group_rule" "security_group_rule_remote_security_group" {
+  project_id        = var.project_id
+  security_group_id = stackit_security_group.security_group.security_group_id
+  direction         = var.direction
+
+  remote_security_group_id = stackit_security_group.security_group_remote.security_group_id
+}