From patchwork Mon Mar 10 14:18:09 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 14010084 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B092722ACD4 for ; Mon, 10 Mar 2025 14:18:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741616303; cv=none; b=Joiaj2yeTv7Q8neMksVcUlkdtmmFKhD7QtHN4U2D6SwfukVrcbKSv9v4tQg1ukOXaHCbqsCAGLgg75LOGz2GTwT1aeWiZGplFrrO31N88Z+r+pPxJW6cv9Kh1E/cHMfY/cvIGhmz78Ekr6OnKF5mwug84pG5Sgm4gsVSTvpTpNI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741616303; c=relaxed/simple; bh=MhQD+qKnGkZueanVyHLYBjoWjZBPstg8Paau9b2pnYU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LxF3Ok+Mb9Kthd+hR+NbA1QjRyY81WkitN9jKqI8R8DnGiArPC2DZaBuiRKRRrJ4GNWAHSVxl6U719a3OqZRK5X3MHqt0u698pDQ87hWLZQhCt2/VJjAulnKoEBAOZObIstVjB73NgSZrn6Pqx9MAK5hfPuiZzz2DPJg9Fo0a6Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JYgbAsDv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JYgbAsDv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9719C4CEE5; Mon, 10 Mar 2025 14:18:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741616303; bh=MhQD+qKnGkZueanVyHLYBjoWjZBPstg8Paau9b2pnYU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JYgbAsDv7qkEWz7pTGs1JQruF/W9FuTdcn74dKDxTEsAwUNjaumQ7izpE9M8grusk hbDpsHQOyYhsbx34H503/1QYWAmbNPhxn5zTUbCxR0veH9rWpzeGirFar81knKl7eS 1qEM4AXxEY8F07gwoFr+sQP+Wq0uMAi7VynIvxbA50TCXiKHKW1+vpzqT2uK2JiWJi phoYHxid1mPxTV2izW/y/qnFolW/IXhN9dpt8U8Sv3++grCblnlRGDTPD9gLAGsNZZ oLtxKd76gwTqUFc+Vi96EckQHXY4nBuUtIelzdILsJsixhXezmNkBFJ3ju8s2SOBIp G5w9LAay75yMQ== From: cel@kernel.org To: Luis Chamberlain , Chandan Babu R , Jeff Layton Cc: , Chuck Lever Subject: [PATCH v1 09/13] volume_group: Create volume group on terraform/AWS nodes Date: Mon, 10 Mar 2025 10:18:09 -0400 Message-ID: <20250310141813.969325-10-cel@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310141813.969325-1-cel@kernel.org> References: <20250310141813.969325-1-cel@kernel.org> Precedence: bulk X-Mailing-List: kdevops@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Chuck Lever Signed-off-by: Chuck Lever --- .../volume_group/tasks/terraform/aws.yml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 playbooks/roles/volume_group/tasks/terraform/aws.yml diff --git a/playbooks/roles/volume_group/tasks/terraform/aws.yml b/playbooks/roles/volume_group/tasks/terraform/aws.yml new file mode 100644 index 000000000000..e7cca3e259b0 --- /dev/null +++ b/playbooks/roles/volume_group/tasks/terraform/aws.yml @@ -0,0 +1,54 @@ +--- +# +# To guarantee idempotency, these steps have to generate the exact +# same physical_volumes list every time they are run. +# +# Skip the block device on which the root filesystem resides, and +# skip the device that is to be used for /data. +# +# On AWS, normally the root device is /dev/nvme0n1 and the data +# device is /dev/nvme1n1. However, this is not always the case: +# block volumes can be attached to an instance in any order, thus +# may appear as any device named /dev/nvmeNn1. +# +# So, extract the block device names, which should remain fixed for +# the lifetime of the instance and its block devices. Use these to +# avoid using the root and data devices as LVM physical volumes. +# + +- name: Gather AWS instance information about the target node + delegate_to: localhost + amazon.aws.ec2_instance_info: + region: "{{ terraform_aws_region }}" + filters: + "tag:Name": "{{ inventory_hostname }}" + instance-state-name: ["running"] + register: instance_info + +# bdm is a list of dictionaries -- one dictionary per block device +- name: Extract the block device mappings dictionary + ansible.builtin.set_fact: + bdm: "{{ instance_info.instances[0].block_device_mappings }}" + +- name: Discover the root device + ansible.builtin.set_fact: + root_ebs_volume: "{{ bdm | selectattr('device_name', 'match', '/dev/sda1') | first }}" + +# FIXME: Stuff "/dev/sdf" into the data_device variable for AWS +- name: Discover the data device + ansible.builtin.set_fact: + data_ebs_volume: "{{ bdm | selectattr('device_name', 'match', '/dev/sdf') | first }}" + +- name: Add unused EBS volumes to the volume list + vars: + root_volume_id: "{{ root_ebs_volume.ebs.volume_id | string | regex_replace('-', '') }}" + data_volume_id: "{{ data_ebs_volume.ebs.volume_id | string | regex_replace('-', '') }}" + ansible.builtin.set_fact: + physical_volumes: "{{ physical_volumes + ['/dev/' + item.key] }}" + when: + - item.value.model == "Amazon Elastic Block Store" + - item.value.serial != root_volume_id + - item.value.serial != data_volume_id + loop_control: + label: "Adding block device: /dev/{{ item.key }}" + with_dict: "{{ ansible_devices }}"