ceph-ansible/roles/ceph-common/defaults/main.yml

---
# You can override vars by using host or group vars

###########
# GENERAL #
###########

fetch_directory: fetch/

###########
# INSTALL #
###########

mon_group_name: mons
osd_group_name: osds
rgw_group_name: rgws
mds_group_name: mdss
restapi_group_name: restapis

# If check_firewall is true, then ansible will try to determine if the
# Ceph ports are blocked by a firewall. If the machine running ansible
# cannot reach the Ceph ports for some other reason, you may need or
# want to set this to False to skip those checks.
check_firewall: True

# This variable determines if ceph packages can be updated.  If False, the
# package resources will use "state=present".  If True, they will use
# "state=latest".
upgrade_ceph_packages: False

# /!\ EITHER ACTIVE ceph_stable OR ceph_stable_ice OR ceph_dev /!\

debian_package_dependencies:
  - python-pycurl
  - hdparm
  - ntp

centos_package_dependencies:
  - python-pycurl
  - hdparm
  - yum-plugin-priorities.noarch
  - epel-release
  - ntp
  - python-setuptools
  - libselinux-python

redhat_package_dependencies:
  - python-pycurl
  - hdparm
  - ntp
  - python-setuptools

# Whether or not to install the ceph-test package.
ceph_test: False

## Configure package origin
#
ceph_origin: 'upstream' # or 'distro'
# 'distro' means that no separate repo file will be added
# you will get whatever version of Ceph is included in your Linux distro.
#
ceph_use_distro_backports: false # DEBIAN ONLY


# STABLE
########

# COMMUNITY VERSION
ceph_stable: false # use ceph stable branch
ceph_stable_key: https://download.ceph.com/keys/release.asc
ceph_stable_release: infernalis # ceph stable release
ceph_stable_repo: "http://ceph.com/debian-{{ ceph_stable_release }}"

###################
# Stable Releases #
###################
ceph_stable_releases:
  - dumpling
  - emperor
  - firefly
  - giant
  - hammer

# Use the option below to specify your applicable package tree, eg. when using non-LTS Ubuntu versions
# # for a list of available Debian distributions, visit http://ceph.com/debian-{{ ceph_stable_release }}/dists/
# for more info read: https://github.com/ceph/ceph-ansible/issues/305
#ceph_stable_distro_source:

# This option is needed for _both_ stable and dev version, so please always fill the right version
# # for supported distros, see http://ceph.com/rpm-{{ ceph_stable_release }}/
ceph_stable_redhat_distro: el7

# ENTERPRISE VERSION ICE (old, prior to the 1.3)
ceph_stable_ice: false # use Inktank Ceph Enterprise
#ceph_stable_ice_url: https://download.inktank.com/enterprise
# these two variables are used in `with_items` and starting
# with ansible 2.0 these need to be defined even if the tasks's
# `when` clause doesn't evaluate to true
ceph_stable_ice_temp_path: /opt/ICE/ceph-repo/
ceph_stable_ice_kmod: 3.10-0.1.20140702gitdc9ac62.el7.x86_64
#ceph_stable_ice_distro: rhel7 # Please check the download website for the supported versions.
#ceph_stable_ice_version: 1.2.2
#ceph_stable_ice_kmod_version: 1.2
#ceph_stable_ice_user: # htaccess user
#ceph_stable_ice_password: # htaccess password

# ENTERPRISE VERSION RED HAT STORAGE (from 1.3)
# This version is only supported on RHEL 7.1
# As of RHEL 7.1, libceph.ko and rbd.ko are now included in Red Hat's kernel
# packages natively. The RHEL 7.1 kernel packages are more stable and secure than
# using these 3rd-party kmods with RHEL 7.0. Please update your systems to RHEL
# 7.1 or later if you want to use the kernel RBD client.
#
# The CephFS kernel client is undergoing rapid development upstream, and we do
# not recommend running the CephFS kernel module on RHEL 7's 3.10 kernel at this
# time. Please use ELRepo's latest upstream 4.x kernels if you want to run CephFS
# on RHEL 7.
#
ceph_stable_rh_storage: false
ceph_stable_rh_storage_cdn_install: false # assumes all the nodes can connect to cdn.redhat.com
ceph_stable_rh_storage_iso_install: false # usually used when nodes don't have access to cdn.redhat.com
#ceph_stable_rh_storage_iso_path:
ceph_stable_rh_storage_mount_path: /tmp/rh-storage-mount
ceph_stable_rh_storage_repository_path: /tmp/rh-storage-repo # where to copy iso's content

# DEV
# ###

ceph_dev: false # use ceph development branch
ceph_dev_key: https://download.ceph.com/keys/autobuild.asc
ceph_dev_branch: master # development branch you would like to use e.g: master, wip-hack

# supported distros are centos6, centos7, fc17, fc18, fc19, fc20, fedora17, fedora18,
# fedora19, fedora20, opensuse12, sles0. (see http://gitbuilder.ceph.com/).
# For rhel, please pay attention to the versions: 'rhel6 3' or 'rhel 4', the fullname is _very_ important.
ceph_dev_redhat_distro: centos7


######################
# CEPH CONFIGURATION #
######################

## Ceph options
#
# Each cluster requires a unique, consistent filesystem ID. By
# default, the playbook generates one for you and stores it in a file
# in `fetch_directory`. If you want to customize how the fsid is
# generated, you may find it useful to disable fsid generation to
# avoid cluttering up your ansible repo. If you set `generate_fsid` to
# false, you *must* generate `fsid` in another way.
fsid: "{{ cluster_uuid.stdout }}"
generate_fsid: true

cephx: true
cephx_require_signatures: true # Kernel RBD does NOT support signatures for Kernels < 3.18!
cephx_cluster_require_signatures: true
cephx_service_require_signatures: false
max_open_files: 131072
disable_in_memory_logs: true # set this to false while enabling the options below

# Debug logs
enable_debug_global: false
debug_global_level: 20
enable_debug_mon: false
debug_mon_level: 20
enable_debug_osd: false
debug_osd_level: 20
enable_debug_mds: false
debug_mds_level: 20

## Client options
#
rbd_cache: "true"
rbd_cache_writethrough_until_flush: "true"
rbd_concurrent_management_ops: 20
rbd_client_directories: false # this will create rbd_client_log_path and rbd_client_admin_socket_path directories with proper permissions
rbd_client_directory_user: qemu
rbd_client_directory_group: libvirtd
rbd_client_log_file: /var/log/rbd-clients/qemu-guest-$pid.log # must be writable by QEMU and allowed by SELinux or AppArmor
rbd_client_log_path: /var/log/rbd-clients/
rbd_client_admin_socket_path: /var/run/ceph/rbd-clients # must be writable by QEMU and allowed by SELinux or AppArmor
rbd_default_features: 3
rbd_default_map_options: rw
rbd_default_format: 2

## Monitor options
#
# You must define either monitor_interface or monitor_address. Preference
# will go to monitor_interface if both are defined.
monitor_interface: interface
monitor_address: 0.0.0.0
mon_use_fqdn: false # if set to true, the MON name used will be the fqdn in the ceph.conf
mon_osd_down_out_interval: 600
mon_osd_min_down_reporters: 7 # number of OSDs per host + 1
mon_clock_drift_allowed: .15
mon_clock_drift_warn_backoff: 30
mon_osd_full_ratio: .95
mon_osd_nearfull_ratio: .85
mon_osd_report_timeout: 300
mon_pg_warn_max_per_osd: 0 # disable complains about low pgs numbers per osd
mon_osd_allow_primary_affinity: "true"
mon_pg_warn_max_object_skew: 10 # set to 20 or higher to disable complaints about number of PGs being too low if some pools have very few objects bringing down the average number of objects per pool. This happens when running RadosGW. Ceph default is 10

## OSD options
#
journal_size: 0
pool_default_pg_num: 128
pool_default_pgp_num: 128
pool_default_size: 2
pool_default_min_size: 1
public_network: 0.0.0.0/0
cluster_network: "{{ public_network }}"
osd_mkfs_type: xfs
osd_mkfs_options_xfs: -f -i size=2048
osd_mount_options_xfs: noatime,largeio,inode64,swalloc
osd_mon_heartbeat_interval: 30

# CRUSH
pool_default_crush_rule: 0
osd_crush_update_on_start: "true"

# Object backend
osd_objectstore: filestore

# xattrs. by default, 'filestore xattr use omap' is set to 'true' if
# 'osd_mkfs_type' is set to 'ext4'; otherwise it isn't set. This can
# be set to 'true' or 'false' to explicitly override those
# defaults. Leave it 'null' to use the default for your chosen mkfs
# type.
filestore_xattr_use_omap: null

# Performance tuning
filestore_merge_threshold: 40
filestore_split_multiple: 8
osd_op_threads: 8
filestore_op_threads: 8
filestore_max_sync_interval: 5
osd_max_scrubs: 1
# The OSD scrub window can be configured starting hammer only!
# Default settings will define a 24h window for the scrubbing operation
# The window is predefined from 0am midnight to midnight the next day.
osd_scrub_begin_hour: 0
osd_scrub_end_hour: 24

# Recovery tuning
osd_recovery_max_active: 5
osd_max_backfills: 2
osd_recovery_op_priority: 2
osd_recovery_max_chunk: 1048576
osd_recovery_threads: 1

# Deep scrub
osd_scrub_sleep: .1
osd_disk_thread_ioprio_class: idle
osd_disk_thread_ioprio_priority: 0
osd_scrub_chunk_max: 5
osd_deep_scrub_stride: 1048576

## MDS options
#
mds_use_fqdn: false # if set to true, the MDS name used will be the fqdn in the ceph.conf

## Rados Gateway options
#
#radosgw_dns_name: your.subdomain.tld # subdomains used by radosgw. See http://ceph.com/docs/master/radosgw/config/#enabling-subdomain-s3-calls
radosgw_frontend: civetweb # supported options are 'apache' or 'civetweb', also edit roles/ceph-rgw/defaults/main.yml
radosgw_civetweb_port: 8080 # on Infernalis we get: "set_ports_option: cannot bind to 80: 13 (Permission denied)"
radosgw_keystone: false # activate OpenStack Keystone options full detail here: http://ceph.com/docs/master/radosgw/keystone/
#radosgw_keystone_url: # url:admin_port ie: http://192.168.0.1:35357
radosgw_keystone_admin_token: password
radosgw_keystone_accepted_roles: Member, _member_, admin
radosgw_keystone_token_cache_size: 10000
radosgw_keystone_revocation_internal: 900
radosgw_s3_auth_use_keystone: "true"
radosgw_nss_db_path: /var/lib/ceph/radosgw/ceph-radosgw.{{ ansible_hostname }}/nss
# Toggle 100-continue support for Apache and FastCGI
# WARNING: Changing this value will cause an outage of Apache while it is reinstalled on RGW nodes
http_100_continue: false
# Rados Gateway options
redhat_distro_ceph_extra: centos6.4 # supported distros are centos6.3, centos6.4, centos6, fedora18, fedora19, opensuse12.2, rhel6.3, rhel6.4, rhel6.5, rhel6, sles11sp2
email_address: foo@bar.com

## REST API options
#
restapi_interface: "{{ monitor_interface }}"
restapi_address: "{{ monitor_address }}"
restapi_port: 5000
restapi_base_url: /api/v0.1
restapi_log_level: warning # available level are: critical, error, warning, info, debug

## Testing mode
# enable this mode _only_ when you have a single node
# if you don't want it keep the option commented
#common_single_host_mode: true


###################
# CONFIG OVERRIDE #
###################

# Ceph configuration file override.
# This allows you to specify more configuration options
# using an INI style format.
# The following sections are supported: [global], [mon], [osd], [mds], [rgw]
#
# Example:
# ceph_conf_overrides:
#   global:
#     foo: 1234
#     bar: 5678
#
ceph_conf_overrides: {}


#############
# OS TUNING #
#############

disable_transparent_hugepage: true
disable_swap: true
os_tuning_params:
  - { name: kernel.pid_max, value: 4194303 }
  - { name: fs.file-max, value: 26234859 }
  - { name: vm.zone_reclaim_mode, value: 0 }
  - { name: vm.vfs_cache_pressure, value: 50 }
  - { name: vm.min_free_kbytes, value: "{{ vm_min_free_kbytes }}" }


##########
# DOCKER #
##########

docker: false