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Add FreeIPA DNS for ECS role
Signed-off-by: Webster Mudge <wmudge@cloudera.com>
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‎roles/freeipa_server_ecs/README.md‎

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# freeipa_server_ecs
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Configure DNS zones and wildcard records for Cloudera ECS.
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This role configures DNS zones and wildcard records within a **FreeIPA** server, which is a key step for Cloudera on Premise **Embedded Container Service (ECS)**. It simplifies the process of setting up name resolution for applications and services within a specific domain by automatically creating a DNS zone and populating it with wildcard DNS records pointing to a single IP address.
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The role will:
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- Authenticate to a FreeIPA server using the provided administrative credentials.
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- Create a new DNS zone based on the `ipaserver_domain` and the `zone_name` defined in the `freeipa_dns_records` list.
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- Add wildcard DNS records (`*` records) to the specified zone.
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- Point these wildcard records to the target IP address defined in `freeipa_dns_records_address`.
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- Optionally, skip a check for overlapping DNS zones if `dnszone_skip_overlap_check` is set to `true`.
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- Execute all commands via the FreeIPA API, either on a client or server context.
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## Requirements
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- A running and accessible **FreeIPA server**.
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- The `ipaadmin_principal` must have permissions to create DNS zones and records within the FreeIPA environment.
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- Network connectivity from the Ansible controller (or the `ipaapi_context` host) to the FreeIPA server.
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## Dependencies
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None.
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## Parameters
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| Variable | Type | Required | Default | Description |
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| --- | --- | --- | --- | --- |
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| `ipaadmin_password` | `str` | `True` | | **FreeIPA** administrative password for authentication. |
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| `ipaadmin_principal` | `str` | `False` | `admin` | **FreeIPA** administrative principal (user) for authentication. |
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| `ipaserver_host` | `str` | `False` | `inventory_hostname` | Hostname or IP address of the **FreeIPA** server to connect to. Defaults to the current host. |
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| `ipaserver_domain` | `str` | `True` | | The **FreeIPA** domain under which the DNS zone will be created (e.g., `example.internal`). |
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| `freeipa_dns_records` | `list` of `dict` | `False` | `[{'zone_name': 'apps.{{ ipaserver_domain }}', 'record_name': '*', 'record_type': 'A'}, {'zone_name': '{{ ipaserver_domain }}', 'record_name': '*', 'record_type': 'A'}]` | A list of DNS records to create within the specified **FreeIPA** domain. Each dictionary defines a record with its `zone_name`, `record_name`, and `record_type`. Defaults to creating two wildcard A records. |
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| `freeipa_dns_records_address` | `str` | `True` | | The target IP address for the DNS records defined in `freeipa_dns_records`. All records will point to this address. |
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| `dnszone_skip_overlap_check` | `bool` | `False` | `false` | A flag to skip the overlap check when creating DNS zones, which can be useful in specific configurations but should be used with caution. |
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| `ipaapi_context` | `str` | `False` | - | The **FreeIPA** role of the host where the DNS Zone creation command will be executed. Choices are `client` or `server`. |
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## Example Playbook
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```yaml
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- hosts: ipaserver_host
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tasks:
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- name: Configure FreeIPA DNS for ECS with default wildcard records
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ansible.builtin.import_role:
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name: cloudera.exe.freeipa_server_ecs
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vars:
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ipaadmin_password: "MySuperSecretAdminPassword" # Use Ansible Vault for this
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ipaserver_domain: "example.internal"
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freeipa_dns_records_address: "10.0.0.100"
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# The role will automatically create '*' records for 'apps.example.internal' and 'example.internal'
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- name: Configure a single custom DNS record for ECS
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ansible.builtin.import_role:
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name: cloudera.exe.freeipa_server_ecs
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vars:
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ipaadmin_password: "MySuperSecretAdminPassword"
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ipaserver_domain: "example.internal"
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freeipa_dns_records_address: "10.0.0.200"
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freeipa_dns_records:
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- zone_name: "custom.{{ ipaserver_domain }}"
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record_name: "customapp"
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record_type: "A"
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dnszone_skip_overlap_check: true
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ipaapi_context: "client"
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```
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## License
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```
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Copyright 2025 Cloudera, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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```

‎roles/freeipa_server_ecs/defaults/main.yml‎

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---
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# Copyright 2025 Cloudera, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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ipaadmin_principal: admin
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ipaadmin_password: "{{ undef(hint='Please define the FreeIPA adminstrator principal password') }}"
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ipaserver_domain: "{{ undef(hint='Please define the FreeIPA server domain') }}"
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ipaserver_host: "{{ inventory_hostname }}"
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# ipaapi_context:
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dnszone_skip_overlap_check: false
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freeipa_dns_records:
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- zone_name: "apps.{{ ipaserver_domain }}"
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record_name: "*"
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record_type: "A"
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freeipa_dns_records_address: "{{ undef(hint='Please define the FreeIPA DNS records target IP address for ECS') }}"

‎roles/freeipa_server_ecs/meta/argument_specs.yml‎

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---
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# Copyright 2025 Cloudera, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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argument_specs:
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main:
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short_description: Configure DNS zones and wildcard records for ECS
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description:
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- Ensures that DNS zones and wildcard records are set up in FreeIPA for ECS.
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- Creates a specified DNS zone and adds wildcard DNS records.
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author: Cloudera Labs
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version_added: 3.0.0
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options:
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ipaadmin_password:
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description: FreeIPA admin password used for authentication.
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required: true
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ipaadmin_principal:
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description: FreeIPA admin principal used for authentication.
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default: admin
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ipaserver_host:
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description: Hostname or IP address of the FreeIPA server.
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default: C(inventory_hostname)
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ipaserver_domain:
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description: The FreeIPA domain to use for creating the DNS zone and records.
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required: true
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freeipa_dns_records:
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description: DNS records to create within the FreeIPA domain, i.e. DNS zone.
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type: list
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elements: dict
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options:
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zone_name:
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description: Name of the DNS zone to create the record in.
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required: true
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record_name:
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description: Name of the DNS record (use C(*) for a wildcard record).
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required: true
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record_type:
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description: Type of the DNS record (e.g., A, AAAA).
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required: true
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default:
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- zone_name: "apps.C(ipaserver_domain)"
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record_name: "*"
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record_type: "A"
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- zone_name: "C(ipaserver_domain)"
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record_name: "*"
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record_type: "A"
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freeipa_dns_records_address:
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description: DNS records target IP address for the records defined in O(freeipa_dns_records).
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type: str
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required: true
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dnszone_skip_overlap_check:
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description: Skip overlap check when creating DNS zones.
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type: bool
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required: false
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default: false
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ipaapi_context:
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description: The FreeIPA role of the host where the DNS Zone creation will execute.
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type: str
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required: false
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choices:
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- client
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- server

‎roles/freeipa_server_ecs/molecule/default/converge.yml‎

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---
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# Copyright 2024 Cloudera, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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- name: Converge
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hosts: all
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gather_facts: true
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tasks:
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- name: Provision ECS DNS entries
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ansible.builtin.import_role:
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name: cloudera.exe.freeipa_server_ecs
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vars:
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freeipa_dns_records_address: "{{ ansible_default_ipv4.address }}"

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