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
37 lines
1.4 KiB
YAML
37 lines
1.4 KiB
YAML
---
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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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- name: Ensure the overcloud host image has bogus name server entries removed
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hosts: seed
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tags:
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- overcloud-host-image-workaround
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tasks:
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- block:
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- name: Ensure libguestfs-tools is installed
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command: >
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docker exec bifrost_deploy
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bash -c '
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ansible localhost
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--connection local
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--become
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-m yum
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-a "name=libguestfs-tools state=installed"'
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- name: Ensure the overcloud host image has bogus name server entries removed
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command: >
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docker exec bifrost_deploy
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bash -c '
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export LIBGUESTFS_BACKEND=direct &&
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ansible localhost
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--connection local
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--become
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-m command
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-a "virt-customize -a /httpboot/deployment_image.qcow2 --edit \"/etc/resolv.conf:s/^nameserver 10\.0\.2\.3\$//\""'
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when: overcloud_host_image_workaround_resolv_enabled | bool
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