diff --git a/doc/source/configuration/hosts.rst b/doc/source/configuration/hosts.rst index 901f2ad73..2ba4adf39 100644 --- a/doc/source/configuration/hosts.rst +++ b/doc/source/configuration/hosts.rst @@ -12,6 +12,10 @@ deployment of containers. Hosts that are configured by Kayobe include: Unless otherwise stated, all host configuration described here is applied to each of these types of host. +.. seealso:: Ansible tags for limiting the scope of Kayobe commands are + included under the relevant sections of this page + (for more information see :ref:`usage-tags`). + Configuration Location ====================== @@ -49,6 +53,8 @@ used to control where these are located. SSH Known Hosts =============== +*tags:* + | ``ssh-known-host`` While strictly this configuration is applied to the Ansible control host (``localhost``), it is applied during the ``host configure`` commands. @@ -59,6 +65,8 @@ as defined in ``${KAYOBE_CONFIG_PATH}/network-allocation.yml`` (see Kayobe User Bootstrapping ========================= +*tags:* + | ``kayobe-ansible-user`` Kayobe uses a user account defined by the ``kayobe_ansible_user`` variable (in ``${KAYOBE_CONFIG_PATH}/globals.yml``) for remote SSH access. By default, this @@ -86,6 +94,8 @@ For example, to set the bootstrap user for controllers to ``centos``: PyPI Mirror =========== +*tags:* + | ``pip`` Kayobe supports configuration of a PyPI mirror, via variables in ``${KAYOBE_CONFIG_PATH}/pip.yml``. This functionality is enabled by setting the @@ -109,6 +119,8 @@ https://test.pypi.org/simple/: Kayobe Remote Virtual Environment ================================= +*tags:* + | ``kayobe-target-venv`` By default, Ansible executes modules remotely using the system python interpreter, even if the Ansible control process is executed from within a @@ -130,6 +142,8 @@ for the ``seed``, ``seed-hypervisor``, and ``overcloud`` groups. Disk Wiping =========== +*tags:* + | ``wipe-disks`` Using hosts that may have stale data on their disks could affect the deployment of the cloud. This is not a configuration option, since it should only be @@ -138,6 +152,8 @@ performed once to avoid losing useful data. It is triggered by passing the Users and Groups ================ +*tags:* + | ``users`` Linux user accounts and groups can be configured using the ``users_default`` variable in ``${KAYOBE_CONFIG_PATH}/users.yml``. The format of the list is @@ -172,6 +188,8 @@ added to the Kayobe configuration. Package Repositories ==================== +*tags:* + | ``yum`` Kayobe supports configuration of package repositories via Yum, via variables in ``${KAYOBE_CONFIG_PATH}/yum.yml``. @@ -245,6 +263,8 @@ It is possible to disable the EPEL Yum repository by setting SELinux ======= +*tags:* + | ``disable-selinux`` SELinux is not supported by Kolla Ansible currently, so it is disabled by Kayobe. If necessary, Kayobe will reboot systems in order to apply a change to @@ -254,12 +274,16 @@ setting ``disable_selinux_do_reboot`` to ``false``. Network Configuration ===================== +*tags:* + | ``network`` Configuration of host networking is covered in depth in :ref:`configuration-network`. Sysctls ======= +*tags:* + | ``sysctl`` Arbitrary ``sysctl`` configuration can be applied to hosts. The variable format is a dict/map, mapping parameter names to their required values. The following @@ -282,6 +306,8 @@ For example, to set the ``net.ipv4.ip_forward`` parameter to ``1`` on controller Disable cloud-init ================== +*tags:* + | ``disable-cloud-init`` cloud-init is a popular service for performing system bootstrapping. If you are not using cloud-init, this section can be skipped. @@ -299,6 +325,8 @@ the initial server bootstrapping, set ``disable_cloud_init`` to ``true`` in Disable Glean ============= +*tags:* + | ``disable-glean`` The ``glean`` service can be used to perform system bootstrapping, serving a similar role to ``cloud-init``. If you are not using ``glean``, this section @@ -316,6 +344,8 @@ overwritten by Kayobe are removed. Timezone ======== +*tags:* + | ``ntp`` The timezone can be configured via the ``timezone`` variable in ``${KAYOBE_CONFIG_PATH}/ntp.yml``. The value must be a valid Linux @@ -328,6 +358,8 @@ timezone. For example: NTP === +*tags:* + | ``ntp`` Network Time Protocol (NTP) may be configured via variables in ``${KAYOBE_CONFIG_PATH}/ntp.yml``. The list of NTP servers is @@ -374,6 +406,8 @@ following in ``${KAYOBE_CONFIG_PATH}/kolla.yml``: Software RAID ============= +*tags:* + | ``mdadm`` While it is possible to use RAID directly with LVM, some operators may prefer the userspace tools provided by ``mdadm`` or may have existing software RAID @@ -411,6 +445,8 @@ available as ``/dev/md0``: LVM === +*tags:* + | ``lvm`` Logical Volume Manager (LVM) physical volumes, volume groups, and logical volumes may be configured via the ``lvm_groups`` variable. For convenience, @@ -560,7 +596,7 @@ custom one. create: true mount: false -Kolla-ansible bootstrap-servers +Kolla-Ansible bootstrap-servers =============================== Kolla Ansible provides some host configuration functionality via the @@ -574,8 +610,11 @@ See the `Kolla Ansible documentation for more information on the functions performed by this command, and how to configure it. -Kolla-ansible Remote Virtual Environment +Kolla-Ansible Remote Virtual Environment ======================================== +*tags:* + | ``kolla-ansible`` + | ``kolla-target-venv`` See :ref:`configuration-kolla-ansible-venv` for information about remote Python virtual environments for Kolla Ansible. @@ -584,6 +623,8 @@ virtual environments for Kolla Ansible. Docker Engine ============= +*tags:* + | ``docker`` Docker engine configuration is applied by both Kayobe and Kolla Ansible (during bootstrap-servers). @@ -612,6 +653,8 @@ issues observed. Ceph Block Devices ================== +*tags:* + | ``kolla-ceph`` If using Kolla Ansible to deploy Ceph, some preparation of block devices is required. The list of disks to configure for use by Ceph is specified via diff --git a/doc/source/usage.rst b/doc/source/usage.rst index 1618d2c7b..047480a95 100644 --- a/doc/source/usage.rst +++ b/doc/source/usage.rst @@ -56,6 +56,8 @@ an `Ansible host pattern `_, and will ultimately be passed to ``ansible-playbook`` as a ``--limit`` argument. +.. _usage-tags: + Tags ----