9c1d085d2e
The CentOS cloud images from 7.2 (1511) onwards have a bogus name server entry in /etc/resolv.conf, 10.0.2.3. Cloud-init only appends name server entries to this file, and will not remove this bogus entry. Typically this leads to a delay of around 30 seconds when connecting via SSH, due to a timeout in NSS. The workaround employed here is to remove this bogus entry from the image using virt-customize, if it exists. See https://bugs.centos.org/view.php?id=14369. Fixes: #112
30 lines
1.3 KiB
Plaintext
30 lines
1.3 KiB
Plaintext
---
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###############################################################################
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# Overcloud configuration.
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# Default Ansible group for overcloud hosts if not present in
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# overcloud_group_hosts_map.
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overcloud_group_default: controllers
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# List of names of Ansible groups for overcloud hosts.
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overcloud_groups: >
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{{ (overcloud_group_hosts_map.keys() +
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[overcloud_group_default]) | reject('equalto', 'ignore') | unique | sort | list }}
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# Dict mapping overcloud Ansible group names to lists of hosts in the group.
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# As a special case, the group 'ignore' can be used to specify hosts that
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# should not be added to the inventory.
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overcloud_group_hosts_map: {}
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###############################################################################
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# Overcloud host image configuration.
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# The CentOS cloud images from 7.2 (1511) onwards have a bogus name server
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# entry in /etc/resolv.conf, 10.0.2.3. Cloud-init only appends name server
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# entries to this file, and will not remove this bogus entry. Typically this
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# leads to a delay of around 30 seconds when connecting via SSH, due to a
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# timeout in NSS. The workaround employed here is to remove this bogus entry
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# from the image using virt-customize, if it exists. See
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# https://bugs.centos.org/view.php?id=14369.
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overcloud_host_image_workaround_resolv_enabled: True
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