#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017 Google
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function

__metaclass__ = type

################################################################################
# Documentation
################################################################################

ANSIBLE_METADATA = {'metadata_version': '1.1', 'status': ["preview"], 'supported_by': 'community'}

DOCUMENTATION = '''
---
module: gcp_compute_instance_template
description:
- Defines an Instance Template resource that provides configuration settings for your
  virtual machine instances. Instance templates are not tied to the lifetime of an
  instance and can be used and reused as to deploy virtual machines. You can also
  use different templates to create different virtual machine configurations. Instance
  templates are required when you create a managed instance group.
- 'Tip: Disks should be set to autoDelete=true so that leftover disks are not left
  behind on machine deletion.'
short_description: Creates a GCP InstanceTemplate
author: Google Inc. (@googlecloudplatform)
requirements:
- python >= 2.6
- requests >= 2.18.4
- google-auth >= 1.3.0
options:
  state:
    description:
    - Whether the given object should exist in GCP
    choices:
    - present
    - absent
    default: present
    type: str
  description:
    description:
    - An optional description of this resource. Provide this property when you create
      the resource.
    required: false
    type: str
  name:
    description:
    - Name of the resource. The name is 1-63 characters long and complies with RFC1035.
    required: true
    type: str
  properties:
    description:
    - The instance properties for this instance template.
    required: false
    type: dict
    suboptions:
      can_ip_forward:
        description:
        - Enables instances created based on this template to send packets with source
          IP addresses other than their own and receive packets with destination IP
          addresses other than their own. If these instances will be used as an IP
          gateway or it will be set as the next-hop in a Route resource, specify true.
          If unsure, leave this set to false.
        required: false
        type: bool
      description:
        description:
        - An optional text description for the instances that are created from this
          instance template.
        required: false
        type: str
      disks:
        description:
        - An array of disks that are associated with the instances that are created
          from this template.
        elements: dict
        required: false
        type: list
        suboptions:
          auto_delete:
            description:
            - Specifies whether the disk will be auto-deleted when the instance is
              deleted (but not when the disk is detached from the instance).
            - 'Tip: Disks should be set to autoDelete=true so that leftover disks
              are not left behind on machine deletion.'
            required: false
            type: bool
          boot:
            description:
            - Indicates that this is a boot disk. The virtual machine will use the
              first partition of the disk for its root filesystem.
            required: false
            type: bool
          device_name:
            description:
            - Specifies a unique device name of your choice that is reflected into
              the /dev/disk/by-id/google-* tree of a Linux operating system running
              within the instance. This name can be used to reference the device for
              mounting, resizing, and so on, from within the instance.
            required: false
            type: str
          disk_encryption_key:
            description:
            - Encrypts or decrypts a disk using a customer-supplied encryption key.
            required: false
            type: dict
            suboptions:
              raw_key:
                description:
                - Specifies a 256-bit customer-supplied encryption key, encoded in
                  RFC 4648 base64 to either encrypt or decrypt this resource.
                required: false
                type: str
              rsa_encrypted_key:
                description:
                - Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied
                  encryption key to either encrypt or decrypt this resource.
                required: false
                type: str
          index:
            description:
            - Assigns a zero-based index to this disk, where 0 is reserved for the
              boot disk. For example, if you have many disks attached to an instance,
              each disk would have a unique index number. If not specified, the server
              will choose an appropriate value.
            required: false
            type: int
          initialize_params:
            description:
            - Specifies the parameters for a new disk that will be created alongside
              the new instance. Use initialization parameters to create boot disks
              or local SSDs attached to the new instance.
            required: false
            type: dict
            suboptions:
              disk_name:
                description:
                - Specifies the disk name. If not specified, the default is to use
                  the name of the instance.
                required: false
                type: str
              disk_size_gb:
                description:
                - Specifies the size of the disk in base-2 GB.
                required: false
                type: int
              disk_type:
                description:
                - Reference to a disk type.
                - Specifies the disk type to use to create the instance.
                - If not specified, the default is pd-standard.
                required: false
                type: str
              source_image:
                description:
                - The source image to create this disk. When creating a new instance,
                  one of initializeParams.sourceImage or disks.source is required.
                  To create a disk with one of the public operating system images,
                  specify the image by its family name.
                required: false
                type: str
              source_image_encryption_key:
                description:
                - The customer-supplied encryption key of the source image. Required
                  if the source image is protected by a customer-supplied encryption
                  key.
                - Instance templates do not store customer-supplied encryption keys,
                  so you cannot create disks for instances in a managed instance group
                  if the source images are encrypted with your own keys.
                required: false
                type: dict
                suboptions:
                  raw_key:
                    description:
                    - Specifies a 256-bit customer-supplied encryption key, encoded
                      in RFC 4648 base64 to either encrypt or decrypt this resource.
                    required: false
                    type: str
          interface:
            description:
            - Specifies the disk interface to use for attaching this disk, which is
              either SCSI or NVME. The default is SCSI.
            - Persistent disks must always use SCSI and the request will fail if you
              attempt to attach a persistent disk in any other format than SCSI.
            - 'Some valid choices include: "SCSI", "NVME"'
            required: false
            type: str
          mode:
            description:
            - The mode in which to attach this disk, either READ_WRITE or READ_ONLY.
              If not specified, the default is to attach the disk in READ_WRITE mode.
            - 'Some valid choices include: "READ_WRITE", "READ_ONLY"'
            required: false
            type: str
          source:
            description:
            - Reference to a disk. When creating a new instance, one of initializeParams.sourceImage
              or disks.source is required.
            - If desired, you can also attach existing non-root persistent disks using
              this property. This field is only applicable for persistent disks.
            - Note that for InstanceTemplate, specify the disk name, not the URL for
              the disk.
            - 'This field represents a link to a Disk resource in GCP. It can be specified
              in two ways. First, you can place a dictionary with key ''name'' and
              value of your resource''s name Alternatively, you can add `register:
              name-of-resource` to a gcp_compute_disk task and then set this source
              field to "{{ name-of-resource }}"'
            required: false
            type: dict
          type:
            description:
            - Specifies the type of the disk, either SCRATCH or PERSISTENT. If not
              specified, the default is PERSISTENT.
            - 'Some valid choices include: "SCRATCH", "PERSISTENT"'
            required: false
            type: str
      labels:
        description:
        - Labels to apply to this address. A list of key->value pairs.
        required: false
        type: dict
      machine_type:
        description:
        - The machine type to use in the VM instance template.
        required: true
        type: str
      min_cpu_platform:
        description:
        - Specifies a minimum CPU platform for the VM instance. Applicable values
          are the friendly names of CPU platforms .
        required: false
        type: str
      metadata:
        description:
        - The metadata key/value pairs to assign to instances that are created from
          this template. These pairs can consist of custom metadata or predefined
          keys.
        required: false
        type: dict
      guest_accelerators:
        description:
        - List of the type and count of accelerator cards attached to the instance
          .
        elements: dict
        required: false
        type: list
        suboptions:
          accelerator_count:
            description:
            - The number of the guest accelerator cards exposed to this instance.
            required: false
            type: int
          accelerator_type:
            description:
            - Full or partial URL of the accelerator type resource to expose to this
              instance.
            required: false
            type: str
      network_interfaces:
        description:
        - An array of configurations for this interface. This specifies how this interface
          is configured to interact with other network services, such as connecting
          to the internet. Only one network interface is supported per instance.
        elements: dict
        required: false
        type: list
        suboptions:
          access_configs:
            description:
            - An array of configurations for this interface. Currently, only one access
              config, ONE_TO_ONE_NAT, is supported. If there are no accessConfigs
              specified, then this instance will have no external internet access.
            elements: dict
            required: false
            type: list
            suboptions:
              name:
                description:
                - The name of this access configuration. The default and recommended
                  name is External NAT but you can use any arbitrary string you would
                  like. For example, My external IP or Network Access.
                required: true
                type: str
              nat_ip:
                description:
                - Reference to an address.
                - An external IP address associated with this instance.
                - Specify an unused static external IP address available to the project
                  or leave this field undefined to use an IP from a shared ephemeral
                  IP address pool. If you specify a static external IP address, it
                  must live in the same region as the zone of the instance.
                - 'This field represents a link to a Address resource in GCP. It can
                  be specified in two ways. First, you can place a dictionary with
                  key ''address'' and value of your resource''s address Alternatively,
                  you can add `register: name-of-resource` to a gcp_compute_address
                  task and then set this nat_ip field to "{{ name-of-resource }}"'
                required: false
                type: dict
              type:
                description:
                - The type of configuration. The default and only option is ONE_TO_ONE_NAT.
                - 'Some valid choices include: "ONE_TO_ONE_NAT"'
                required: true
                type: str
              set_public_ptr:
                description:
                - Specifies whether a public DNS PTR record should be created to map
                  the external IP address of the instance to a DNS domain name.
                required: false
                type: bool
              public_ptr_domain_name:
                description:
                - The DNS domain name for the public PTR record. You can set this
                  field only if the setPublicPtr field is enabled.
                required: false
                type: str
              network_tier:
                description:
                - This signifies the networking tier used for configuring this access
                  configuration. If an AccessConfig is specified without a valid external
                  IP address, an ephemeral IP will be created with this networkTier.
                  If an AccessConfig with a valid external IP address is specified,
                  it must match that of the networkTier associated with the Address
                  resource owning that IP.
                - 'Some valid choices include: "PREMIUM", "STANDARD"'
                required: false
                type: str
          alias_ip_ranges:
            description:
            - An array of alias IP ranges for this network interface. Can only be
              specified for network interfaces on subnet-mode networks.
            elements: dict
            required: false
            type: list
            suboptions:
              ip_cidr_range:
                description:
                - The IP CIDR range represented by this alias IP range.
                - This IP CIDR range must belong to the specified subnetwork and cannot
                  contain IP addresses reserved by system or used by other network
                  interfaces. This range may be a single IP address (e.g. 10.2.3.4),
                  a netmask (e.g. /24) or a CIDR format string (e.g. 10.1.2.0/24).
                required: false
                type: str
              subnetwork_range_name:
                description:
                - Optional subnetwork secondary range name specifying the secondary
                  range from which to allocate the IP CIDR range for this alias IP
                  range. If left unspecified, the primary range of the subnetwork
                  will be used.
                required: false
                type: str
          network:
            description:
            - Specifies the title of an existing network. When creating an instance,
              if neither the network nor the subnetwork is specified, the default
              network global/networks/default is used; if the network is not specified
              but the subnetwork is specified, the network is inferred.
            - 'This field represents a link to a Network resource in GCP. It can be
              specified in two ways. First, you can place a dictionary with key ''selfLink''
              and value of your resource''s selfLink Alternatively, you can add `register:
              name-of-resource` to a gcp_compute_network task and then set this network
              field to "{{ name-of-resource }}"'
            required: false
            type: dict
          network_ip:
            description:
            - An IPv4 internal network address to assign to the instance for this
              network interface. If not specified by the user, an unused internal
              IP is assigned by the system.
            required: false
            type: str
          subnetwork:
            description:
            - Reference to a VPC network.
            - If the network resource is in legacy mode, do not provide this property.
              If the network is in auto subnet mode, providing the subnetwork is optional.
              If the network is in custom subnet mode, then this field should be specified.
            - 'This field represents a link to a Subnetwork resource in GCP. It can
              be specified in two ways. First, you can place a dictionary with key
              ''selfLink'' and value of your resource''s selfLink Alternatively, you
              can add `register: name-of-resource` to a gcp_compute_subnetwork task
              and then set this subnetwork field to "{{ name-of-resource }}"'
            required: false
            type: dict
      scheduling:
        description:
        - Sets the scheduling options for this instance.
        required: false
        type: dict
        suboptions:
          automatic_restart:
            description:
            - Specifies whether the instance should be automatically restarted if
              it is terminated by Compute Engine (not terminated by a user).
            - You can only set the automatic restart option for standard instances.
              Preemptible instances cannot be automatically restarted.
            required: false
            type: bool
          on_host_maintenance:
            description:
            - Defines the maintenance behavior for this instance. For standard instances,
              the default behavior is MIGRATE. For preemptible instances, the default
              and only possible behavior is TERMINATE.
            - For more information, see Setting Instance Scheduling Options.
            required: false
            type: str
          preemptible:
            description:
            - Defines whether the instance is preemptible. This can only be set during
              instance creation, it cannot be set or changed after the instance has
              been created.
            required: false
            type: bool
      service_accounts:
        description:
        - A list of service accounts, with their specified scopes, authorized for
          this instance. Only one service account per VM instance is supported.
        elements: dict
        required: false
        type: list
        suboptions:
          email:
            description:
            - Email address of the service account.
            required: false
            type: str
          scopes:
            description:
            - The list of scopes to be made available for this service account.
            elements: str
            required: false
            type: list
      tags:
        description:
        - A list of tags to apply to this instance. Tags are used to identify valid
          sources or targets for network firewalls and are specified by the client
          during instance creation. The tags can be later modified by the setTags
          method. Each tag within the list must comply with RFC1035.
        required: false
        type: dict
        suboptions:
          fingerprint:
            description:
            - Specifies a fingerprint for this request, which is essentially a hash
              of the metadata's contents and used for optimistic locking.
            - The fingerprint is initially generated by Compute Engine and changes
              after every request to modify or update metadata. You must always provide
              an up-to-date fingerprint hash in order to update or change metadata.
            required: false
            type: str
          items:
            description:
            - An array of tags. Each tag must be 1-63 characters long, and comply
              with RFC1035.
            elements: str
            required: false
            type: list
  project:
    description:
    - The Google Cloud Platform project to use.
    type: str
  auth_kind:
    description:
    - The type of credential used.
    type: str
    required: true
    choices:
    - application
    - machineaccount
    - serviceaccount
    - accesstoken
  service_account_contents:
    description:
    - The contents of a Service Account JSON file, either in a dictionary or as a
      JSON string that represents it.
    type: jsonarg
  service_account_file:
    description:
    - The path of a Service Account JSON file if serviceaccount is selected as type.
    type: path
  service_account_email:
    description:
    - An optional service account email address if machineaccount is selected and
      the user does not wish to use the default email.
    type: str
  access_token:
    description:
    - An OAuth2 access token if credential type is accesstoken.
    type: str
  scopes:
    description:
    - Array of scopes to be used
    type: list
    elements: str
  env_type:
    description:
    - Specifies which Ansible environment you're running this module within.
    - This should not be set unless you know what you're doing.
    - This only alters the User Agent string for any API requests.
    type: str
'''

EXAMPLES = '''
- name: create a network
  google.cloud.gcp_compute_network:
    name: network-instancetemplate
    project: "{{ gcp_project }}"
    auth_kind: "{{ gcp_cred_kind }}"
    service_account_file: "{{ gcp_cred_file }}"
    state: present
  register: network

- name: create a address
  google.cloud.gcp_compute_address:
    name: address-instancetemplate
    region: us-west1
    project: "{{ gcp_project }}"
    auth_kind: "{{ gcp_cred_kind }}"
    service_account_file: "{{ gcp_cred_file }}"
    state: present
  register: address

- name: create a instance template
  google.cloud.gcp_compute_instance_template:
    name: test_object
    properties:
      disks:
      - auto_delete: 'true'
        boot: 'true'
        initialize_params:
          source_image: projects/ubuntu-os-cloud/global/images/family/ubuntu-1604-lts
      machine_type: n1-standard-1
      network_interfaces:
      - network: "{{ network }}"
        access_configs:
        - name: test-config
          type: ONE_TO_ONE_NAT
          nat_ip: "{{ address }}"
    project: test_project
    auth_kind: serviceaccount
    service_account_file: "/tmp/auth.pem"
    state: present
'''

RETURN = '''
creationTimestamp:
  description:
  - Creation timestamp in RFC3339 text format.
  returned: success
  type: str
description:
  description:
  - An optional description of this resource. Provide this property when you create
    the resource.
  returned: success
  type: str
id:
  description:
  - The unique identifier for the resource. This identifier is defined by the server.
  returned: success
  type: int
name:
  description:
  - Name of the resource. The name is 1-63 characters long and complies with RFC1035.
  returned: success
  type: str
properties:
  description:
  - The instance properties for this instance template.
  returned: success
  type: complex
  contains:
    canIpForward:
      description:
      - Enables instances created based on this template to send packets with source
        IP addresses other than their own and receive packets with destination IP
        addresses other than their own. If these instances will be used as an IP gateway
        or it will be set as the next-hop in a Route resource, specify true. If unsure,
        leave this set to false.
      returned: success
      type: bool
    description:
      description:
      - An optional text description for the instances that are created from this
        instance template.
      returned: success
      type: str
    disks:
      description:
      - An array of disks that are associated with the instances that are created
        from this template.
      returned: success
      type: complex
      contains:
        licenses:
          description:
          - Any applicable license URI.
          returned: success
          type: list
        autoDelete:
          description:
          - Specifies whether the disk will be auto-deleted when the instance is deleted
            (but not when the disk is detached from the instance).
          - 'Tip: Disks should be set to autoDelete=true so that leftover disks are
            not left behind on machine deletion.'
          returned: success
          type: bool
        boot:
          description:
          - Indicates that this is a boot disk. The virtual machine will use the first
            partition of the disk for its root filesystem.
          returned: success
          type: bool
        deviceName:
          description:
          - Specifies a unique device name of your choice that is reflected into the
            /dev/disk/by-id/google-* tree of a Linux operating system running within
            the instance. This name can be used to reference the device for mounting,
            resizing, and so on, from within the instance.
          returned: success
          type: str
        diskEncryptionKey:
          description:
          - Encrypts or decrypts a disk using a customer-supplied encryption key.
          returned: success
          type: complex
          contains:
            rawKey:
              description:
              - Specifies a 256-bit customer-supplied encryption key, encoded in RFC
                4648 base64 to either encrypt or decrypt this resource.
              returned: success
              type: str
            rsaEncryptedKey:
              description:
              - Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied
                encryption key to either encrypt or decrypt this resource.
              returned: success
              type: str
            sha256:
              description:
              - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied
                encryption key that protects this resource.
              returned: success
              type: str
        index:
          description:
          - Assigns a zero-based index to this disk, where 0 is reserved for the boot
            disk. For example, if you have many disks attached to an instance, each
            disk would have a unique index number. If not specified, the server will
            choose an appropriate value.
          returned: success
          type: int
        initializeParams:
          description:
          - Specifies the parameters for a new disk that will be created alongside
            the new instance. Use initialization parameters to create boot disks or
            local SSDs attached to the new instance.
          returned: success
          type: complex
          contains:
            diskName:
              description:
              - Specifies the disk name. If not specified, the default is to use the
                name of the instance.
              returned: success
              type: str
            diskSizeGb:
              description:
              - Specifies the size of the disk in base-2 GB.
              returned: success
              type: int
            diskType:
              description:
              - Reference to a disk type.
              - Specifies the disk type to use to create the instance.
              - If not specified, the default is pd-standard.
              returned: success
              type: str
            sourceImage:
              description:
              - The source image to create this disk. When creating a new instance,
                one of initializeParams.sourceImage or disks.source is required. To
                create a disk with one of the public operating system images, specify
                the image by its family name.
              returned: success
              type: str
            sourceImageEncryptionKey:
              description:
              - The customer-supplied encryption key of the source image. Required
                if the source image is protected by a customer-supplied encryption
                key.
              - Instance templates do not store customer-supplied encryption keys,
                so you cannot create disks for instances in a managed instance group
                if the source images are encrypted with your own keys.
              returned: success
              type: complex
              contains:
                rawKey:
                  description:
                  - Specifies a 256-bit customer-supplied encryption key, encoded
                    in RFC 4648 base64 to either encrypt or decrypt this resource.
                  returned: success
                  type: str
                sha256:
                  description:
                  - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied
                    encryption key that protects this resource.
                  returned: success
                  type: str
        interface:
          description:
          - Specifies the disk interface to use for attaching this disk, which is
            either SCSI or NVME. The default is SCSI.
          - Persistent disks must always use SCSI and the request will fail if you
            attempt to attach a persistent disk in any other format than SCSI.
          returned: success
          type: str
        mode:
          description:
          - The mode in which to attach this disk, either READ_WRITE or READ_ONLY.
            If not specified, the default is to attach the disk in READ_WRITE mode.
          returned: success
          type: str
        source:
          description:
          - Reference to a disk. When creating a new instance, one of initializeParams.sourceImage
            or disks.source is required.
          - If desired, you can also attach existing non-root persistent disks using
            this property. This field is only applicable for persistent disks.
          - Note that for InstanceTemplate, specify the disk name, not the URL for
            the disk.
          returned: success
          type: dict
        type:
          description:
          - Specifies the type of the disk, either SCRATCH or PERSISTENT. If not specified,
            the default is PERSISTENT.
          returned: success
          type: str
    labels:
      description:
      - Labels to apply to this address. A list of key->value pairs.
      returned: success
      type: dict
    machineType:
      description:
      - The machine type to use in the VM instance template.
      returned: success
      type: str
    minCpuPlatform:
      description:
      - Specifies a minimum CPU platform for the VM instance. Applicable values are
        the friendly names of CPU platforms .
      returned: success
      type: str
    metadata:
      description:
      - The metadata key/value pairs to assign to instances that are created from
        this template. These pairs can consist of custom metadata or predefined keys.
      returned: success
      type: dict
    guestAccelerators:
      description:
      - List of the type and count of accelerator cards attached to the instance .
      returned: success
      type: complex
      contains:
        acceleratorCount:
          description:
          - The number of the guest accelerator cards exposed to this instance.
          returned: success
          type: int
        acceleratorType:
          description:
          - Full or partial URL of the accelerator type resource to expose to this
            instance.
          returned: success
          type: str
    networkInterfaces:
      description:
      - An array of configurations for this interface. This specifies how this interface
        is configured to interact with other network services, such as connecting
        to the internet. Only one network interface is supported per instance.
      returned: success
      type: complex
      contains:
        accessConfigs:
          description:
          - An array of configurations for this interface. Currently, only one access
            config, ONE_TO_ONE_NAT, is supported. If there are no accessConfigs specified,
            then this instance will have no external internet access.
          returned: success
          type: complex
          contains:
            name:
              description:
              - The name of this access configuration. The default and recommended
                name is External NAT but you can use any arbitrary string you would
                like. For example, My external IP or Network Access.
              returned: success
              type: str
            natIP:
              description:
              - Reference to an address.
              - An external IP address associated with this instance.
              - Specify an unused static external IP address available to the project
                or leave this field undefined to use an IP from a shared ephemeral
                IP address pool. If you specify a static external IP address, it must
                live in the same region as the zone of the instance.
              returned: success
              type: dict
            type:
              description:
              - The type of configuration. The default and only option is ONE_TO_ONE_NAT.
              returned: success
              type: str
            setPublicPtr:
              description:
              - Specifies whether a public DNS PTR record should be created to map
                the external IP address of the instance to a DNS domain name.
              returned: success
              type: bool
            publicPtrDomainName:
              description:
              - The DNS domain name for the public PTR record. You can set this field
                only if the setPublicPtr field is enabled.
              returned: success
              type: str
            networkTier:
              description:
              - This signifies the networking tier used for configuring this access
                configuration. If an AccessConfig is specified without a valid external
                IP address, an ephemeral IP will be created with this networkTier.
                If an AccessConfig with a valid external IP address is specified,
                it must match that of the networkTier associated with the Address
                resource owning that IP.
              returned: success
              type: str
        aliasIpRanges:
          description:
          - An array of alias IP ranges for this network interface. Can only be specified
            for network interfaces on subnet-mode networks.
          returned: success
          type: complex
          contains:
            ipCidrRange:
              description:
              - The IP CIDR range represented by this alias IP range.
              - This IP CIDR range must belong to the specified subnetwork and cannot
                contain IP addresses reserved by system or used by other network interfaces.
                This range may be a single IP address (e.g. 10.2.3.4), a netmask (e.g.
                /24) or a CIDR format string (e.g. 10.1.2.0/24).
              returned: success
              type: str
            subnetworkRangeName:
              description:
              - Optional subnetwork secondary range name specifying the secondary
                range from which to allocate the IP CIDR range for this alias IP range.
                If left unspecified, the primary range of the subnetwork will be used.
              returned: success
              type: str
        name:
          description:
          - The name of the network interface, generated by the server. For network
            devices, these are eth0, eth1, etc .
          returned: success
          type: str
        network:
          description:
          - Specifies the title of an existing network. When creating an instance,
            if neither the network nor the subnetwork is specified, the default network
            global/networks/default is used; if the network is not specified but the
            subnetwork is specified, the network is inferred.
          returned: success
          type: dict
        networkIP:
          description:
          - An IPv4 internal network address to assign to the instance for this network
            interface. If not specified by the user, an unused internal IP is assigned
            by the system.
          returned: success
          type: str
        subnetwork:
          description:
          - Reference to a VPC network.
          - If the network resource is in legacy mode, do not provide this property.
            If the network is in auto subnet mode, providing the subnetwork is optional.
            If the network is in custom subnet mode, then this field should be specified.
          returned: success
          type: dict
    scheduling:
      description:
      - Sets the scheduling options for this instance.
      returned: success
      type: complex
      contains:
        automaticRestart:
          description:
          - Specifies whether the instance should be automatically restarted if it
            is terminated by Compute Engine (not terminated by a user).
          - You can only set the automatic restart option for standard instances.
            Preemptible instances cannot be automatically restarted.
          returned: success
          type: bool
        onHostMaintenance:
          description:
          - Defines the maintenance behavior for this instance. For standard instances,
            the default behavior is MIGRATE. For preemptible instances, the default
            and only possible behavior is TERMINATE.
          - For more information, see Setting Instance Scheduling Options.
          returned: success
          type: str
        preemptible:
          description:
          - Defines whether the instance is preemptible. This can only be set during
            instance creation, it cannot be set or changed after the instance has
            been created.
          returned: success
          type: bool
    serviceAccounts:
      description:
      - A list of service accounts, with their specified scopes, authorized for this
        instance. Only one service account per VM instance is supported.
      returned: success
      type: complex
      contains:
        email:
          description:
          - Email address of the service account.
          returned: success
          type: str
        scopes:
          description:
          - The list of scopes to be made available for this service account.
          returned: success
          type: list
    tags:
      description:
      - A list of tags to apply to this instance. Tags are used to identify valid
        sources or targets for network firewalls and are specified by the client during
        instance creation. The tags can be later modified by the setTags method. Each
        tag within the list must comply with RFC1035.
      returned: success
      type: complex
      contains:
        fingerprint:
          description:
          - Specifies a fingerprint for this request, which is essentially a hash
            of the metadata's contents and used for optimistic locking.
          - The fingerprint is initially generated by Compute Engine and changes after
            every request to modify or update metadata. You must always provide an
            up-to-date fingerprint hash in order to update or change metadata.
          returned: success
          type: str
        items:
          description:
          - An array of tags. Each tag must be 1-63 characters long, and comply with
            RFC1035.
          returned: success
          type: list
'''

################################################################################
# Imports
################################################################################

from ansible_collections.google.cloud.plugins.module_utils.gcp_utils import (
    navigate_hash,
    GcpSession,
    GcpModule,
    GcpRequest,
    remove_nones_from_dict,
    replace_resource_dict,
)
import json
import re
import time

################################################################################
# Main
################################################################################


def main():
    """Main function"""

    module = GcpModule(
        argument_spec=dict(
            state=dict(default='present', choices=['present', 'absent'], type='str'),
            description=dict(type='str'),
            name=dict(required=True, type='str'),
            properties=dict(
                type='dict',
                options=dict(
                    can_ip_forward=dict(type='bool'),
                    description=dict(type='str'),
                    disks=dict(
                        type='list',
                        elements='dict',
                        options=dict(
                            auto_delete=dict(type='bool'),
                            boot=dict(type='bool'),
                            device_name=dict(type='str'),
                            disk_encryption_key=dict(type='dict', no_log=True, options=dict(raw_key=dict(type='str'), rsa_encrypted_key=dict(type='str'))),
                            index=dict(type='int'),
                            initialize_params=dict(
                                type='dict',
                                options=dict(
                                    disk_name=dict(type='str'),
                                    disk_size_gb=dict(type='int'),
                                    disk_type=dict(type='str'),
                                    source_image=dict(type='str'),
                                    source_image_encryption_key=dict(type='dict', no_log=True, options=dict(raw_key=dict(type='str'))),
                                ),
                            ),
                            interface=dict(type='str'),
                            mode=dict(type='str'),
                            source=dict(type='dict'),
                            type=dict(type='str'),
                        ),
                    ),
                    labels=dict(type='dict'),
                    machine_type=dict(required=True, type='str'),
                    min_cpu_platform=dict(type='str'),
                    metadata=dict(type='dict'),
                    guest_accelerators=dict(type='list', elements='dict', options=dict(accelerator_count=dict(type='int'), accelerator_type=dict(type='str'))),
                    network_interfaces=dict(
                        type='list',
                        elements='dict',
                        options=dict(
                            access_configs=dict(
                                type='list',
                                elements='dict',
                                options=dict(
                                    name=dict(required=True, type='str'),
                                    nat_ip=dict(type='dict'),
                                    type=dict(required=True, type='str'),
                                    set_public_ptr=dict(type='bool'),
                                    public_ptr_domain_name=dict(type='str'),
                                    network_tier=dict(type='str'),
                                ),
                            ),
                            alias_ip_ranges=dict(
                                type='list', elements='dict', options=dict(ip_cidr_range=dict(type='str'), subnetwork_range_name=dict(type='str'))
                            ),
                            network=dict(type='dict'),
                            network_ip=dict(type='str'),
                            subnetwork=dict(type='dict'),
                        ),
                    ),
                    scheduling=dict(
                        type='dict', options=dict(automatic_restart=dict(type='bool'), on_host_maintenance=dict(type='str'), preemptible=dict(type='bool'))
                    ),
                    service_accounts=dict(type='list', elements='dict', options=dict(email=dict(type='str'), scopes=dict(type='list', elements='str'))),
                    tags=dict(type='dict', options=dict(fingerprint=dict(type='str'), items=dict(type='list', elements='str'))),
                ),
            ),
        )
    )

    if not module.params['scopes']:
        module.params['scopes'] = ['https://www.googleapis.com/auth/compute']

    state = module.params['state']
    kind = 'compute#instanceTemplate'

    fetch = fetch_resource(module, self_link(module), kind)
    changed = False

    if fetch:
        if state == 'present':
            if is_different(module, fetch):
                update(module, self_link(module), kind)
                fetch = fetch_resource(module, self_link(module), kind)
                changed = True
        else:
            delete(module, self_link(module), kind)
            fetch = {}
            changed = True
    else:
        if state == 'present':
            fetch = create(module, collection(module), kind)
            changed = True
        else:
            fetch = {}

    fetch.update({'changed': changed})

    module.exit_json(**fetch)


def create(module, link, kind):
    auth = GcpSession(module, 'compute')
    return wait_for_operation(module, auth.post(link, resource_to_request(module)))


def update(module, link, kind):
    delete(module, self_link(module), kind)
    create(module, collection(module), kind)


def delete(module, link, kind):
    auth = GcpSession(module, 'compute')
    return wait_for_operation(module, auth.delete(link))


def resource_to_request(module):
    request = {
        u'kind': 'compute#instanceTemplate',
        u'description': module.params.get('description'),
        u'name': module.params.get('name'),
        u'properties': InstanceTemplateProperties(module.params.get('properties', {}), module).to_request(),
    }
    request = encode_request(request, module)
    return_vals = {}
    for k, v in request.items():
        if v or v is False:
            return_vals[k] = v

    return return_vals


def fetch_resource(module, link, kind, allow_not_found=True):
    auth = GcpSession(module, 'compute')
    return return_if_object(module, auth.get(link), kind, allow_not_found)


def self_link(module):
    return "https://compute.googleapis.com/compute/v1/projects/{project}/global/instanceTemplates/{name}".format(**module.params)


def collection(module):
    return "https://compute.googleapis.com/compute/v1/projects/{project}/global/instanceTemplates".format(**module.params)


def return_if_object(module, response, kind, allow_not_found=False):
    # If not found, return nothing.
    if allow_not_found and response.status_code == 404:
        return None

    # If no content, return nothing.
    if response.status_code == 204:
        return None

    try:
        module.raise_for_status(response)
        result = response.json()
    except getattr(json.decoder, 'JSONDecodeError', ValueError):
        module.fail_json(msg="Invalid JSON response with error: %s" % response.text)

    result = decode_response(result, module)

    if navigate_hash(result, ['error', 'errors']):
        module.fail_json(msg=navigate_hash(result, ['error', 'errors']))

    return result


def is_different(module, response):
    request = resource_to_request(module)
    response = response_to_hash(module, response)
    request = decode_response(request, module)

    # Remove all output-only from response.
    response_vals = {}
    for k, v in response.items():
        if k in request:
            response_vals[k] = v

    request_vals = {}
    for k, v in request.items():
        if k in response:
            request_vals[k] = v

    return GcpRequest(request_vals) != GcpRequest(response_vals)


# Remove unnecessary properties from the response.
# This is for doing comparisons with Ansible's current parameters.
def response_to_hash(module, response):
    return {
        u'creationTimestamp': response.get(u'creationTimestamp'),
        u'description': response.get(u'description'),
        u'id': response.get(u'id'),
        u'name': response.get(u'name'),
        u'properties': InstanceTemplateProperties(response.get(u'properties', {}), module).from_response(),
    }


def disk_type_selflink(name, params):
    if name is None:
        return
    url = r"https://compute.googleapis.com/compute/v1/projects/.*/zones/.*/diskTypes/.*"
    if not re.match(url, name):
        name = "https://compute.googleapis.com/compute/v1/projects/{project}/zones/{zone}/diskTypes/%s".format(**params) % name
    return name


def async_op_url(module, extra_data=None):
    if extra_data is None:
        extra_data = {}
    url = "https://compute.googleapis.com/compute/v1/projects/{project}/global/operations/{op_id}"
    combined = extra_data.copy()
    combined.update(module.params)
    return url.format(**combined)


def wait_for_operation(module, response):
    op_result = return_if_object(module, response, 'compute#operation')
    if op_result is None:
        return {}
    status = navigate_hash(op_result, ['status'])
    wait_done = wait_for_completion(status, op_result, module)
    response = fetch_resource(module, navigate_hash(wait_done, ['targetLink']), 'compute#instanceTemplate')
    if response:
        return decode_response(response, module)
    else:
        return {}


def wait_for_completion(status, op_result, module):
    op_id = navigate_hash(op_result, ['name'])
    op_uri = async_op_url(module, {'op_id': op_id})
    while status != 'DONE':
        raise_if_errors(op_result, ['error', 'errors'], module)
        time.sleep(1.0)
        op_result = fetch_resource(module, op_uri, 'compute#operation', False)
        status = navigate_hash(op_result, ['status'])
    return op_result


def raise_if_errors(response, err_path, module):
    errors = navigate_hash(response, err_path)
    if errors is not None:
        module.fail_json(msg=errors)


def encode_request(request, module):
    if 'properties' in request and request['properties'] is not None and 'metadata' in request['properties'] and request['properties']['metadata'] is not None:
        request['properties']['metadata'] = metadata_encoder(request['properties']['metadata'])
    return request


def decode_response(response, module):
    if (
        'properties' in response
        and response['properties'] is not None
        and 'metadata' in response['properties']
        and response['properties']['metadata'] is not None
    ):
        response['properties']['metadata'] = metadata_decoder(response['properties']['metadata'])
    return response


# TODO(alexstephen): Implement updating metadata on existing resources.

# Expose instance 'metadata' as a simple name/value pair hash. However the API
# defines metadata as a NestedObject with the following layout:
#
# metadata {
#   fingerprint: 'hash-of-last-metadata'
#   items: [
#     {
#       key: 'metadata1-key'
#       value: 'metadata1-value'
#     },
#     ...
#   ]
# }
#
def metadata_encoder(metadata):
    metadata_new = []
    for key in metadata:
        value = metadata[key]
        metadata_new.append({"key": key, "value": value})
    return {'items': metadata_new}


# Map metadata.items[]{key:,value:} => metadata[key]=value
def metadata_decoder(metadata):
    items = {}
    if 'items' in metadata:
        metadata_items = metadata['items']
        for item in metadata_items:
            items[item['key']] = item['value']
    return items


class InstanceTemplateProperties(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = {}

    def to_request(self):
        return remove_nones_from_dict(
            {
                u'canIpForward': self.request.get('can_ip_forward'),
                u'description': self.request.get('description'),
                u'disks': InstanceTemplateDisksArray(self.request.get('disks', []), self.module).to_request(),
                u'labels': self.request.get('labels'),
                u'machineType': self.request.get('machine_type'),
                u'minCpuPlatform': self.request.get('min_cpu_platform'),
                u'metadata': self.request.get('metadata'),
                u'guestAccelerators': InstanceTemplateGuestacceleratorsArray(self.request.get('guest_accelerators', []), self.module).to_request(),
                u'networkInterfaces': InstanceTemplateNetworkinterfacesArray(self.request.get('network_interfaces', []), self.module).to_request(),
                u'scheduling': InstanceTemplateScheduling(self.request.get('scheduling', {}), self.module).to_request(),
                u'serviceAccounts': InstanceTemplateServiceaccountsArray(self.request.get('service_accounts', []), self.module).to_request(),
                u'tags': InstanceTemplateTags(self.request.get('tags', {}), self.module).to_request(),
            }
        )

    def from_response(self):
        return remove_nones_from_dict(
            {
                u'canIpForward': self.request.get(u'canIpForward'),
                u'description': self.request.get(u'description'),
                u'disks': InstanceTemplateDisksArray(self.request.get(u'disks', []), self.module).from_response(),
                u'labels': self.request.get(u'labels'),
                u'machineType': self.request.get(u'machineType'),
                u'minCpuPlatform': self.request.get(u'minCpuPlatform'),
                u'metadata': self.request.get(u'metadata'),
                u'guestAccelerators': InstanceTemplateGuestacceleratorsArray(self.request.get(u'guestAccelerators', []), self.module).from_response(),
                u'networkInterfaces': InstanceTemplateNetworkinterfacesArray(self.request.get(u'networkInterfaces', []), self.module).from_response(),
                u'scheduling': InstanceTemplateScheduling(self.request.get(u'scheduling', {}), self.module).from_response(),
                u'serviceAccounts': InstanceTemplateServiceaccountsArray(self.request.get(u'serviceAccounts', []), self.module).from_response(),
                u'tags': InstanceTemplateTags(self.request.get(u'tags', {}), self.module).from_response(),
            }
        )


class InstanceTemplateDisksArray(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = []

    def to_request(self):
        items = []
        for item in self.request:
            items.append(self._request_for_item(item))
        return items

    def from_response(self):
        items = []
        for item in self.request:
            items.append(self._response_from_item(item))
        return items

    def _request_for_item(self, item):
        return remove_nones_from_dict(
            {
                u'autoDelete': item.get('auto_delete'),
                u'boot': item.get('boot'),
                u'deviceName': item.get('device_name'),
                u'diskEncryptionKey': InstanceTemplateDiskencryptionkey(item.get('disk_encryption_key', {}), self.module).to_request(),
                u'index': item.get('index'),
                u'initializeParams': InstanceTemplateInitializeparams(item.get('initialize_params', {}), self.module).to_request(),
                u'interface': item.get('interface'),
                u'mode': item.get('mode'),
                u'source': replace_resource_dict(item.get(u'source', {}), 'name'),
                u'type': item.get('type'),
            }
        )

    def _response_from_item(self, item):
        return remove_nones_from_dict(
            {
                u'autoDelete': item.get(u'autoDelete'),
                u'boot': item.get(u'boot'),
                u'deviceName': item.get(u'deviceName'),
                u'diskEncryptionKey': InstanceTemplateDiskencryptionkey(item.get(u'diskEncryptionKey', {}), self.module).from_response(),
                u'index': item.get(u'index'),
                u'initializeParams': InstanceTemplateInitializeparams(self.module.params.get('initialize_params', {}), self.module).to_request(),
                u'interface': item.get(u'interface'),
                u'mode': item.get(u'mode'),
                u'source': item.get(u'source'),
                u'type': item.get(u'type'),
            }
        )


class InstanceTemplateDiskencryptionkey(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = {}

    def to_request(self):
        return remove_nones_from_dict({u'rawKey': self.request.get('raw_key'), u'rsaEncryptedKey': self.request.get('rsa_encrypted_key')})

    def from_response(self):
        return remove_nones_from_dict({u'rawKey': self.request.get(u'rawKey'), u'rsaEncryptedKey': self.request.get(u'rsaEncryptedKey')})


class InstanceTemplateInitializeparams(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = {}

    def to_request(self):
        return remove_nones_from_dict(
            {
                u'diskName': self.request.get('disk_name'),
                u'diskSizeGb': self.request.get('disk_size_gb'),
                u'diskType': disk_type_selflink(self.request.get('disk_type'), self.module.params),
                u'sourceImage': self.request.get('source_image'),
                u'sourceImageEncryptionKey': InstanceTemplateSourceimageencryptionkey(
                    self.request.get('source_image_encryption_key', {}), self.module
                ).to_request(),
            }
        )

    def from_response(self):
        return remove_nones_from_dict(
            {
                u'diskName': self.request.get(u'diskName'),
                u'diskSizeGb': self.request.get(u'diskSizeGb'),
                u'diskType': self.request.get(u'diskType'),
                u'sourceImage': self.request.get(u'sourceImage'),
                u'sourceImageEncryptionKey': InstanceTemplateSourceimageencryptionkey(
                    self.request.get(u'sourceImageEncryptionKey', {}), self.module
                ).from_response(),
            }
        )


class InstanceTemplateSourceimageencryptionkey(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = {}

    def to_request(self):
        return remove_nones_from_dict({u'rawKey': self.request.get('raw_key')})

    def from_response(self):
        return remove_nones_from_dict({u'rawKey': self.request.get(u'rawKey')})


class InstanceTemplateGuestacceleratorsArray(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = []

    def to_request(self):
        items = []
        for item in self.request:
            items.append(self._request_for_item(item))
        return items

    def from_response(self):
        items = []
        for item in self.request:
            items.append(self._response_from_item(item))
        return items

    def _request_for_item(self, item):
        return remove_nones_from_dict({u'acceleratorCount': item.get('accelerator_count'), u'acceleratorType': item.get('accelerator_type')})

    def _response_from_item(self, item):
        return remove_nones_from_dict({u'acceleratorCount': item.get(u'acceleratorCount'), u'acceleratorType': item.get(u'acceleratorType')})


class InstanceTemplateNetworkinterfacesArray(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = []

    def to_request(self):
        items = []
        for item in self.request:
            items.append(self._request_for_item(item))
        return items

    def from_response(self):
        items = []
        for item in self.request:
            items.append(self._response_from_item(item))
        return items

    def _request_for_item(self, item):
        return remove_nones_from_dict(
            {
                u'accessConfigs': InstanceTemplateAccessconfigsArray(item.get('access_configs', []), self.module).to_request(),
                u'aliasIpRanges': InstanceTemplateAliasiprangesArray(item.get('alias_ip_ranges', []), self.module).to_request(),
                u'network': replace_resource_dict(item.get(u'network', {}), 'selfLink'),
                u'networkIP': item.get('network_ip'),
                u'subnetwork': replace_resource_dict(item.get(u'subnetwork', {}), 'selfLink'),
            }
        )

    def _response_from_item(self, item):
        return remove_nones_from_dict(
            {
                u'accessConfigs': InstanceTemplateAccessconfigsArray(item.get(u'accessConfigs', []), self.module).from_response(),
                u'aliasIpRanges': InstanceTemplateAliasiprangesArray(item.get(u'aliasIpRanges', []), self.module).from_response(),
                u'network': item.get(u'network'),
                u'networkIP': item.get(u'networkIP'),
                u'subnetwork': item.get(u'subnetwork'),
            }
        )


class InstanceTemplateAccessconfigsArray(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = []

    def to_request(self):
        items = []
        for item in self.request:
            items.append(self._request_for_item(item))
        return items

    def from_response(self):
        items = []
        for item in self.request:
            items.append(self._response_from_item(item))
        return items

    def _request_for_item(self, item):
        return remove_nones_from_dict(
            {
                u'name': item.get('name'),
                u'natIP': replace_resource_dict(item.get(u'nat_ip', {}), 'address'),
                u'type': item.get('type'),
                u'setPublicPtr': item.get('set_public_ptr'),
                u'publicPtrDomainName': item.get('public_ptr_domain_name'),
                u'networkTier': item.get('network_tier'),
            }
        )

    def _response_from_item(self, item):
        return remove_nones_from_dict(
            {
                u'name': item.get(u'name'),
                u'natIP': item.get(u'natIP'),
                u'type': item.get(u'type'),
                u'setPublicPtr': item.get(u'setPublicPtr'),
                u'publicPtrDomainName': item.get(u'publicPtrDomainName'),
                u'networkTier': item.get(u'networkTier'),
            }
        )


class InstanceTemplateAliasiprangesArray(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = []

    def to_request(self):
        items = []
        for item in self.request:
            items.append(self._request_for_item(item))
        return items

    def from_response(self):
        items = []
        for item in self.request:
            items.append(self._response_from_item(item))
        return items

    def _request_for_item(self, item):
        return remove_nones_from_dict({u'ipCidrRange': item.get('ip_cidr_range'), u'subnetworkRangeName': item.get('subnetwork_range_name')})

    def _response_from_item(self, item):
        return remove_nones_from_dict({u'ipCidrRange': item.get(u'ipCidrRange'), u'subnetworkRangeName': item.get(u'subnetworkRangeName')})


class InstanceTemplateScheduling(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = {}

    def to_request(self):
        return remove_nones_from_dict(
            {
                u'automaticRestart': self.request.get('automatic_restart'),
                u'onHostMaintenance': self.request.get('on_host_maintenance'),
                u'preemptible': self.request.get('preemptible'),
            }
        )

    def from_response(self):
        return remove_nones_from_dict(
            {
                u'automaticRestart': self.request.get(u'automaticRestart'),
                u'onHostMaintenance': self.request.get(u'onHostMaintenance'),
                u'preemptible': self.request.get(u'preemptible'),
            }
        )


class InstanceTemplateServiceaccountsArray(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = []

    def to_request(self):
        items = []
        for item in self.request:
            items.append(self._request_for_item(item))
        return items

    def from_response(self):
        items = []
        for item in self.request:
            items.append(self._response_from_item(item))
        return items

    def _request_for_item(self, item):
        return remove_nones_from_dict({u'email': item.get('email'), u'scopes': item.get('scopes')})

    def _response_from_item(self, item):
        return remove_nones_from_dict({u'email': item.get(u'email'), u'scopes': item.get(u'scopes')})


class InstanceTemplateTags(object):
    def __init__(self, request, module):
        self.module = module
        if request:
            self.request = request
        else:
            self.request = {}

    def to_request(self):
        return remove_nones_from_dict({u'fingerprint': self.request.get('fingerprint'), u'items': self.request.get('items')})

    def from_response(self):
        return remove_nones_from_dict({u'fingerprint': self.request.get(u'fingerprint'), u'items': self.request.get(u'items')})


if __name__ == '__main__':
    main()
