From 4e8f6d1923782e7aef863441f7c1434ca1029164 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?L=C3=A9na=C3=AFc=20Huard?= Date: Wed, 20 May 2015 13:26:04 +0200 Subject: =?UTF-8?q?[libvirt=20cluster]=20Use=20net-dhcp-leases=20to=20find?= =?UTF-8?q?=20VMs=E2=80=99=20IPs?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Query libvirt’s DHCP leases rather than inspecting the host’s ARP cache to find the VMs’ IPs. --- .../libvirt/openshift-cluster/tasks/launch_instances.yml | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) (limited to 'playbooks/libvirt/openshift-cluster/tasks') diff --git a/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml b/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml index 359d0b2f3..8bf1e84ee 100644 --- a/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml +++ b/playbooks/libvirt/openshift-cluster/tasks/launch_instances.yml @@ -58,23 +58,17 @@ uri: '{{ libvirt_uri }}' with_items: instances -- name: Collect MAC addresses of the VMs - shell: 'virsh -c {{ libvirt_uri }} dumpxml {{ item }} | xmllint --xpath "string(//domain/devices/interface/mac/@address)" -' - register: scratch_mac - with_items: instances - - name: Wait for the VMs to get an IP - command: "egrep -c '{{ scratch_mac.results | oo_collect('stdout') | join('|') }}' /proc/net/arp" - ignore_errors: yes + shell: 'virsh net-dhcp-leases openshift-ansible | egrep -c ''{{ instances | join("|") }}''' register: nb_allocated_ips until: nb_allocated_ips.stdout == '{{ instances | length }}' retries: 30 delay: 1 - name: Collect IP addresses of the VMs - shell: "awk '/{{ item.stdout }}/ {print $1}' /proc/net/arp" + shell: 'virsh net-dhcp-leases openshift-ansible | awk ''$6 == "{{ item }}" {gsub(/\/.*/, "", $5); print $5}''' register: scratch_ip - with_items: scratch_mac.results + with_items: instances - set_fact: ips: "{{ scratch_ip.results | oo_collect('stdout') }}" -- cgit v1.2.3