From ba980522331db061b7a342141d227b304caf586e Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Mon, 24 Jul 2017 11:13:19 -0500 Subject: libvirt: add documentation about SSH keypair requirements --- README_libvirt.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/README_libvirt.md b/README_libvirt.md index c523d83fb..b8a24d705 100644 --- a/README_libvirt.md +++ b/README_libvirt.md @@ -23,6 +23,7 @@ Install dependencies 9. Check that your `$HOME` is accessible to the qemu user² 10. Configure dns resolution on the host³ 11. Install libselinux-python +12. Ensure you have an SSH private and public keypair at `~/.ssh/id_rsa` and `~/.ssh/id_rsa.pub`⁴ #### ¹ Depending on your distribution, libvirt access may be denied by default or may require a password at each access. @@ -103,6 +104,11 @@ sudo vi /etc/NetworkManager/dnsmasq.d/libvirt_dnsmasq.conf server=/example.com/192.168.55.1 ``` +#### ⁴ Private and public keypair in ~/.ssh/id_rsa and ~/.ssh/id_rsa.pub + +This playbook uses SSH keys to communicate with the libvirt-driven virtual machines. At this time the names of those keys are fixed and cannot be changed. + + Test The Setup -------------- -- cgit v1.2.3 From 04b1c99fd2b769979adf019fe064bc4ba601ef97 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Mon, 24 Jul 2017 11:15:37 -0500 Subject: libvirt: fall back to mkisofs if genisoimage isn't available --- README_libvirt.md | 2 +- playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml | 6 +++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/README_libvirt.md b/README_libvirt.md index b8a24d705..1661681a0 100644 --- a/README_libvirt.md +++ b/README_libvirt.md @@ -15,7 +15,7 @@ Install dependencies 3. Install [ebtables](http://ebtables.netfilter.org/) 4. Install [qemu and qemu-system-x86](http://wiki.qemu.org/Main_Page) 5. Install [libvirt-python and libvirt](http://libvirt.org/) -6. Install [genisoimage](http://cdrkit.org/) +6. Install [genisoimage](http://cdrkit.org/) or [mkisofs](http://cdrtools.sourceforge.net/private/cdrecord.html) 7. Enable and start the libvirt daemon, e.g: - `systemctl enable libvirtd` - `systemctl start libvirtd` diff --git a/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml b/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml index ccd29be29..f445206ef 100644 --- a/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml +++ b/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml @@ -49,8 +49,12 @@ - '{{ instances }}' - [ user-data, meta-data ] +- name: Check for genisoimage + command: which genisoimage + register: which_genisoimage + - name: Create the cloud-init config drive - command: 'genisoimage -output {{ libvirt_storage_pool_path }}/{{ item }}_cloud-init.iso -volid cidata -joliet -rock user-data meta-data' + command: '{{ 'genisoimage' if which_genisoimage.rc == 0 else 'mkisofs'}} -output {{ libvirt_storage_pool_path }}/{{ item }}_cloud-init.iso -volid cidata -joliet -rock user-data meta-data' args: chdir: '{{ libvirt_storage_pool_path }}/{{ item }}_configdrive/' creates: '{{ libvirt_storage_pool_path }}/{{ item }}_cloud-init.iso' -- cgit v1.2.3