Install etcdctl on linux platforms

install-etcdctl.yml

---
- name: Install etcdctl from official etcd release
  hosts: managers
  become: true
  gather_facts: true

  vars:
    etcd_ver: "v3.5.12"
    install_dir: "/usr/bin"
    tmp_dir: "/tmp/etcdctl-install"
    # You can set arch per-host if needed; these cover most cases
    etcd_arch_map:
      x86_64: "amd64"
      aarch64: "arm64"
    etcd_arch: "{{ etcd_arch_map.get(ansible_architecture, 'amd64') }}"
    etcd_platform: "linux-{{ etcd_arch }}"
    tarball: "etcd-{{ etcd_ver }}-{{ etcd_platform }}.tar.gz"
    base_url: "https://github.com/etcd-io/etcd/releases/download/{{ etcd_ver }}"
    tar_url: "{{ base_url }}/{{ tarball }}"
    sums_url: "{{ base_url }}/SHA256SUMS"

  tasks:
    - name: Create temp dir
      ansible.builtin.file:
        path: "{{ tmp_dir }}"
        state: directory
        mode: "0755"

    - name: Download SHA256SUMS
      ansible.builtin.get_url:
        url: "{{ sums_url }}"
        dest: "{{ tmp_dir }}/SHA256SUMS"
        mode: "0644"

    - name: Extract checksum for our tarball
      ansible.builtin.shell: |
        set -euo pipefail
        awk '$2 == "{{ tarball }}" {print $1}' "{{ tmp_dir }}/SHA256SUMS"
      args:
        executable: /bin/bash
      register: etcd_tar_sha
      changed_when: false

    - name: Fail if checksum not found (wrong version/platform?)
      ansible.builtin.fail:
        msg: "No checksum found for {{ tarball }} in SHA256SUMS"
      when: etcd_tar_sha.stdout | trim == ""

    - name: Download etcd release tarball (with checksum verification)
      ansible.builtin.get_url:
        url: "{{ tar_url }}"
        dest: "{{ tmp_dir }}/{{ tarball }}"
        checksum: "sha256:{{ etcd_tar_sha.stdout | trim }}"
        mode: "0644"

    - name: Unpack tarball
      ansible.builtin.unarchive:
        src: "{{ tmp_dir }}/{{ tarball }}"
        dest: "{{ tmp_dir }}"
        remote_src: true
      # idempotence guard (folder name inside tarball)
      args:
        creates: "{{ tmp_dir }}/etcd-{{ etcd_ver }}-{{ etcd_platform }}/etcdctl"

    - name: Install etcdctl binary
      ansible.builtin.copy:
        src: "{{ tmp_dir }}/etcd-{{ etcd_ver }}-{{ etcd_platform }}/etcdctl"
        dest: "{{ install_dir }}/etcdctl"
        remote_src: true
        mode: "0755"
        owner: root
        group: root

    - name: Verify etcdctl
      ansible.builtin.command: "{{ install_dir }}/etcdctl version"
      register: etcdctl_ver_out
      changed_when: false

    - name: Show version
      ansible.builtin.debug:
        msg: "{{ etcdctl_ver_out.stdout_lines }}"

To install:

ansible-playbook -i inventory install-etcdctl.yml --limit managers -b

To confirm:

ansible managers -i inventory -b -m command -a "etcdctl version"