SSM fails to install on latest Ubuntu 16.04

[kevindixon]

The latest Ubuntu 16.04 releases on AWS have SSM agent pre-installed with SNAP. Currently, ansible-aws-ssm assumes deb installation, and as such attempts to use the role fail.

From https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-manual-agent-install.html#agent-install-ubuntu:

Beginning with instances created from Ubuntu Server 16.04 AMIs identified with 20180627, the SSM Agent is pre-installed using Snap packages. For example: ubuntu/images/hvm-ssd/ubuntu-xenial-16.04-amd64-server-20180627

[kevindixon]

fatal: [XX.XX.XX.XX]: FAILED! => {"changed": false, "msg": "dpkg --force-confdef --force-confold -i /tmp/ansible_5Bfuqq/amazon-ssm-agent.deb failed", "stderr": "dpkg: error processing archive /tmp/ansible_5Bfuqq/amazon-ssm-agent.deb (--install):\n subprocess new pre-installation script returned error exit status 1\nErrors were encountered while processing:\n /tmp/ansible_5Bfuqq/amazon-ssm-agent.deb\n", "stderr_lines": ["dpkg: error processing archive /tmp/ansible_5Bfuqq/amazon-ssm-agent.deb (--install):", " subprocess new pre-installation script returned error exit status 1", "Errors were encountered while processing:", " /tmp/ansible_5Bfuqq/amazon-ssm-agent.deb"], "stdout": "Selecting previously unselected package amazon-ssm-agent.\n(Reading database ... 59804 files and directories currently installed.)\nPreparing to unpack .../amazon-ssm-agent.deb ...\nPreparing for install\n-> Systemd detected\nactive\namazon-ssm-agent 2.2.619.0 295 stable/… aws classic\n-> Amazon-ssm-agent is installed in this instance by snap, please use snap to update or uninstall.\n", "stdout_lines": ["Selecting previously unselected package amazon-ssm-agent.", "(Reading database ... 59804 files and directories currently installed.)", "Preparing to unpack .../amazon-ssm-agent.deb ...", "Preparing for install", "-> Systemd detected", "active", "amazon-ssm-agent 2.2.619.0 295 stable/… aws classic", "-> Amazon-ssm-agent is installed in this instance by snap, please use snap to update or uninstall."]}

[poolski]

Same here although using Chef rather than Ansible..