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Diffstat (limited to 'playbooks/init/validate_hostnames.yml')
| -rw-r--r-- | playbooks/init/validate_hostnames.yml | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/playbooks/init/validate_hostnames.yml b/playbooks/init/validate_hostnames.yml new file mode 100644 index 000000000..86e0b2416 --- /dev/null +++ b/playbooks/init/validate_hostnames.yml @@ -0,0 +1,43 @@ +--- +- name: Validate node hostnames + hosts: oo_nodes_to_config + any_errors_fatal: true + tasks: + - name: Query DNS for IP address of {{ openshift.common.hostname }} + shell: + getent ahostsv4 {{ openshift.common.hostname }} | head -n 1 | awk '{ print $1 }' + register: lookupip + changed_when: false + failed_when: false + + - name: Validate openshift_hostname when defined + fail: + msg: > + The hostname {{ openshift.common.hostname }} for {{ ansible_nodename }} + doesn't resolve to an IP address owned by this host. Please set + openshift_hostname variable to a hostname that when resolved on the host + in question resolves to an IP address matching an interface on this host. + This will ensure proper functionality of OpenShift networking features. + Inventory setting: openshift_hostname={{ openshift_hostname }} + This check can be overridden by setting openshift_hostname_check=false in + the inventory. + See https://docs.openshift.org/latest/install_config/install/advanced_install.html#configuring-host-variables + when: + - lookupip.stdout != '127.0.0.1' + - lookupip.stdout not in ansible_all_ipv4_addresses + - openshift_hostname_check | default(true) + + - name: Validate openshift_ip exists on node when defined + fail: + msg: > + The IP address {{ openshift_ip }} does not exist on {{ ansible_nodename }}. + Please set the openshift_ip variable to an IP address of this node. + This will ensure proper functionality of OpenShift networking features. + Inventory setting: openshift_ip={{ openshift_ip }} + This check can be overridden by setting openshift_ip_check=false in + the inventory. + See https://docs.openshift.org/latest/install_config/install/advanced_install.html#configuring-host-variables + when: + - openshift_ip is defined + - openshift_ip not in ansible_all_ipv4_addresses + - openshift_ip_check | default(true) |