Merge "Add DIB element for ansible-deploy driver ramdisk"

imagebuild/ironic-ansible/README.rst

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+==============
+ironic-ansible
+==============
+
+Builds a ramdisk for Ironic Ansible deploy driver.
+
+This element is based on the following elements:
+
+- ``devuser`` to create and configure a user for Ansible to access the node
+- ``ironic-agent`` to provide Ironic API lookup and heartbeats via IPA
+
+Consult docs for those elements for available options.
+
+Additionally this element:
+
+- ensures OpenSSH is installed and configured properly
+- correctly sets hostname to avoid some Ansible problems with elevation
+
+Note: compared to ``devuser`` element, this element **always** gives
+the configured user password-less sudo permissions (*unconfigurable*).
+
+Requires Ironic API >= 1.22.

imagebuild/ironic-ansible/element-deps

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+ironic-agent
+devuser

imagebuild/ironic-ansible/element-provides

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+ironic-ansible-deploy

imagebuild/ironic-ansible/environment.d/95-ironic-ansible

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+export DIB_DEV_USER_PWDLESS_SUDO="yes"

imagebuild/ironic-ansible/package-installs.yaml

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+openssh-server:

imagebuild/ironic-ansible/post-install.d/81-ansible-ssh

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+#!/bin/bash
+
+if [ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]; then
+    set -x
+fi
+set -eu
+set -o pipefail
+
+ANSIBLE_DEPLOY_HOSTAME="ironic-ansible-deploy"
+
+echo $ANSIBLE_DEPLOY_HOSTAME > /etc/hostname
+
+# not having a hostname in hosts produces an extra output
+# on every "sudo" command like the following:
+#
+#   sudo: unable to resolve host <HOSTNAME>\r\n
+#
+# which as of Ansible 2.0.1.0 fails JSON parsing
+# in case of tasks using become+async.
+# Ansible issues #13965 (fixed in 2.0.1.0), #14568, #14714
+
+# ensure /etc/hosts has hostname in it
+sed -i "s/127.0.0.1\s*localhost/127.0.0.1 localhost $ANSIBLE_DEPLOY_HOSTAME/g" /etc/hosts
+
+# ensure SSH host keys exist
+ssh-keygen -f /etc/ssh/ssh_host_rsa_key -N '' -t rsa
+ssh-keygen -f /etc/ssh/ssh_host_dsa_key -N '' -t dsa
+ssh-keygen -f /etc/ssh/ssh_host_ecdsa_key -N '' -t ecdsa
+ssh-keygen -f /etc/ssh/ssh_host_ed25519_key -N '' -t ed25519

imagebuild/ironic-ansible/test-elements/build-succeeds-fedora/element-deps

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+fedora

imagebuild/ironic-ansible/test-elements/build-succeeds-fedora/element-type

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+ramdisk

imagebuild/ironic-ansible/test-elements/build-succeeds-fedora/environment.d/10-fedora-pin-mirror.bash

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+# Pin to this mirror because the roundrobin is fairly unreliable
+export DIB_DISTRIBUTION_MIRROR=http://dl.fedoraproject.org/pub/fedora/linux