mirror of https://gitee.com/openkylin/libvirt.git
393 lines
12 KiB
Plaintext
393 lines
12 KiB
Plaintext
# Master libvirt daemon configuration file
|
|
#
|
|
# For further information consult http://libvirt.org/format.html
|
|
#
|
|
# NOTE: the tests/daemon-conf regression test script requires
|
|
# that each "PARAMETER = VALUE" line in this file have the parameter
|
|
# name just after a leading "#".
|
|
|
|
#################################################################
|
|
#
|
|
# Network connectivity controls
|
|
#
|
|
|
|
# Flag listening for secure TLS connections on the public TCP/IP port.
|
|
# NB, must pass the --listen flag to the libvirtd process for this to
|
|
# have any effect.
|
|
#
|
|
# It is necessary to setup a CA and issue server certificates before
|
|
# using this capability.
|
|
#
|
|
# This is enabled by default, uncomment this to disable it
|
|
#listen_tls = 0
|
|
|
|
# Listen for unencrypted TCP connections on the public TCP/IP port.
|
|
# NB, must pass the --listen flag to the libvirtd process for this to
|
|
# have any effect.
|
|
#
|
|
# Using the TCP socket requires SASL authentication by default. Only
|
|
# SASL mechanisms which support data encryption are allowed. This is
|
|
# DIGEST_MD5 and GSSAPI (Kerberos5)
|
|
#
|
|
# This is disabled by default, uncomment this to enable it.
|
|
#listen_tcp = 1
|
|
|
|
|
|
|
|
# Override the port for accepting secure TLS connections
|
|
# This can be a port number, or service name
|
|
#
|
|
#tls_port = "16514"
|
|
|
|
# Override the port for accepting insecure TCP connections
|
|
# This can be a port number, or service name
|
|
#
|
|
#tcp_port = "16509"
|
|
|
|
|
|
# Override the default configuration which binds to all network
|
|
# interfaces. This can be a numeric IPv4/6 address, or hostname
|
|
#
|
|
#listen_addr = "192.168.0.1"
|
|
|
|
|
|
# Flag toggling mDNS advertizement of the libvirt service.
|
|
#
|
|
# Alternatively can disable for all services on a host by
|
|
# stopping the Avahi daemon
|
|
#
|
|
# This is disabled by default, uncomment this to enable it
|
|
#mdns_adv = 1
|
|
|
|
# Override the default mDNS advertizement name. This must be
|
|
# unique on the immediate broadcast network.
|
|
#
|
|
# The default is "Virtualization Host HOSTNAME", where HOSTNAME
|
|
# is subsituted for the short hostname of the machine (without domain)
|
|
#
|
|
#mdns_name = "Virtualization Host Joe Demo"
|
|
|
|
|
|
#################################################################
|
|
#
|
|
# UNIX socket access controls
|
|
#
|
|
|
|
# Set the UNIX domain socket group ownership. This can be used to
|
|
# allow a 'trusted' set of users access to management capabilities
|
|
# without becoming root.
|
|
#
|
|
# This is restricted to 'root' by default.
|
|
#unix_sock_group = "libvirt"
|
|
|
|
# Set the UNIX socket permissions for the R/O socket. This is used
|
|
# for monitoring VM status only
|
|
#
|
|
# Default allows any user. If setting group ownership may want to
|
|
# restrict this to:
|
|
#unix_sock_ro_perms = "0777"
|
|
|
|
# Set the UNIX socket permissions for the R/W socket. This is used
|
|
# for full management of VMs
|
|
#
|
|
# Default allows only root. If PolicyKit is enabled on the socket,
|
|
# the default will change to allow everyone (eg, 0777)
|
|
#
|
|
# If not using PolicyKit and setting group ownership for access
|
|
# control then you may want to relax this to:
|
|
#unix_sock_rw_perms = "0770"
|
|
|
|
# Set the name of the directory in which sockets will be found/created.
|
|
#unix_sock_dir = "/var/run/libvirt"
|
|
|
|
#################################################################
|
|
#
|
|
# Authentication.
|
|
#
|
|
# - none: do not perform auth checks. If you can connect to the
|
|
# socket you are allowed. This is suitable if there are
|
|
# restrictions on connecting to the socket (eg, UNIX
|
|
# socket permissions), or if there is a lower layer in
|
|
# the network providing auth (eg, TLS/x509 certificates)
|
|
#
|
|
# - sasl: use SASL infrastructure. The actual auth scheme is then
|
|
# controlled from /etc/sasl2/libvirt.conf. For the TCP
|
|
# socket only GSSAPI & DIGEST-MD5 mechanisms will be used.
|
|
# For non-TCP or TLS sockets, any scheme is allowed.
|
|
#
|
|
# - polkit: use PolicyKit to authenticate. This is only suitable
|
|
# for use on the UNIX sockets. The default policy will
|
|
# require a user to supply their own password to gain
|
|
# full read/write access (aka sudo like), while anyone
|
|
# is allowed read/only access.
|
|
#
|
|
# Set an authentication scheme for UNIX read-only sockets
|
|
# By default socket permissions allow anyone to connect
|
|
#
|
|
# To restrict monitoring of domains you may wish to enable
|
|
# an authentication mechanism here
|
|
#auth_unix_ro = "none"
|
|
|
|
# Set an authentication scheme for UNIX read-write sockets
|
|
# By default socket permissions only allow root. If PolicyKit
|
|
# support was compiled into libvirt, the default will be to
|
|
# use 'polkit' auth.
|
|
#
|
|
# If the unix_sock_rw_perms are changed you may wish to enable
|
|
# an authentication mechanism here
|
|
#auth_unix_rw = "none"
|
|
|
|
# Change the authentication scheme for TCP sockets.
|
|
#
|
|
# If you don't enable SASL, then all TCP traffic is cleartext.
|
|
# Don't do this outside of a dev/test scenario. For real world
|
|
# use, always enable SASL and use the GSSAPI or DIGEST-MD5
|
|
# mechanism in /etc/sasl2/libvirt.conf
|
|
#auth_tcp = "sasl"
|
|
|
|
# Change the authentication scheme for TLS sockets.
|
|
#
|
|
# TLS sockets already have encryption provided by the TLS
|
|
# layer, and limited authentication is done by certificates
|
|
#
|
|
# It is possible to make use of any SASL authentication
|
|
# mechanism as well, by using 'sasl' for this option
|
|
#auth_tls = "none"
|
|
|
|
|
|
|
|
#################################################################
|
|
#
|
|
# TLS x509 certificate configuration
|
|
#
|
|
|
|
|
|
# Override the default server key file path
|
|
#
|
|
#key_file = "/etc/pki/libvirt/private/serverkey.pem"
|
|
|
|
# Override the default server certificate file path
|
|
#
|
|
#cert_file = "/etc/pki/libvirt/servercert.pem"
|
|
|
|
# Override the default CA certificate path
|
|
#
|
|
#ca_file = "/etc/pki/CA/cacert.pem"
|
|
|
|
# Specify a certificate revocation list.
|
|
#
|
|
# Defaults to not using a CRL, uncomment to enable it
|
|
#crl_file = "/etc/pki/CA/crl.pem"
|
|
|
|
|
|
|
|
#################################################################
|
|
#
|
|
# Authorization controls
|
|
#
|
|
|
|
|
|
# Flag to disable verification of our own server certificates
|
|
#
|
|
# When libvirtd starts it performs some sanity checks against
|
|
# its own certificates.
|
|
#
|
|
# Default is to always run sanity checks. Uncommenting this
|
|
# will disable sanity checks which is not a good idea
|
|
#tls_no_sanity_certificate = 1
|
|
|
|
# Flag to disable verification of client certificates
|
|
#
|
|
# Client certificate verification is the primary authentication mechanism.
|
|
# Any client which does not present a certificate signed by the CA
|
|
# will be rejected.
|
|
#
|
|
# Default is to always verify. Uncommenting this will disable
|
|
# verification - make sure an IP whitelist is set
|
|
#tls_no_verify_certificate = 1
|
|
|
|
|
|
# A whitelist of allowed x509 Distinguished Names
|
|
# This list may contain wildcards such as
|
|
#
|
|
# "C=GB,ST=London,L=London,O=Red Hat,CN=*"
|
|
#
|
|
# See the POSIX fnmatch function for the format of the wildcards.
|
|
#
|
|
# NB If this is an empty list, no client can connect, so comment out
|
|
# entirely rather than using empty list to disable these checks
|
|
#
|
|
# By default, no DN's are checked
|
|
#tls_allowed_dn_list = ["DN1", "DN2"]
|
|
|
|
|
|
# A whitelist of allowed SASL usernames. The format for usernames
|
|
# depends on the SASL authentication mechanism. Kerberos usernames
|
|
# look like username@REALM
|
|
#
|
|
# This list may contain wildcards such as
|
|
#
|
|
# "*@EXAMPLE.COM"
|
|
#
|
|
# See the POSIX fnmatch function for the format of the wildcards.
|
|
#
|
|
# NB If this is an empty list, no client can connect, so comment out
|
|
# entirely rather than using empty list to disable these checks
|
|
#
|
|
# By default, no Username's are checked
|
|
#sasl_allowed_username_list = ["joe@EXAMPLE.COM", "fred@EXAMPLE.COM" ]
|
|
|
|
|
|
|
|
#################################################################
|
|
#
|
|
# Processing controls
|
|
#
|
|
|
|
# The maximum number of concurrent client connections to allow
|
|
# over all sockets combined.
|
|
#max_clients = 20
|
|
|
|
|
|
# The minimum limit sets the number of workers to start up
|
|
# initially. If the number of active clients exceeds this,
|
|
# then more threads are spawned, upto max_workers limit.
|
|
# Typically you'd want max_workers to equal maximum number
|
|
# of clients allowed
|
|
#min_workers = 5
|
|
#max_workers = 20
|
|
|
|
|
|
# The number of priority workers. If all workers from above
|
|
# pool will stuck, some calls marked as high priority
|
|
# (notably domainDestroy) can be executed in this pool.
|
|
#prio_workers = 5
|
|
|
|
# Total global limit on concurrent RPC calls. Should be
|
|
# at least as large as max_workers. Beyond this, RPC requests
|
|
# will be read into memory and queued. This directly impact
|
|
# memory usage, currently each request requires 256 KB of
|
|
# memory. So by default upto 5 MB of memory is used
|
|
#
|
|
# XXX this isn't actually enforced yet, only the per-client
|
|
# limit is used so far
|
|
#max_requests = 20
|
|
|
|
# Limit on concurrent requests from a single client
|
|
# connection. To avoid one client monopolizing the server
|
|
# this should be a small fraction of the global max_requests
|
|
# and max_workers parameter
|
|
#max_client_requests = 5
|
|
|
|
#################################################################
|
|
#
|
|
# Logging controls
|
|
#
|
|
|
|
# Logging level: 4 errors, 3 warnings, 2 information, 1 debug
|
|
# basically 1 will log everything possible
|
|
#log_level = 3
|
|
|
|
# Logging filters:
|
|
# A filter allows to select a different logging level for a given category
|
|
# of logs
|
|
# The format for a filter is:
|
|
# x:name
|
|
# where name is a match string e.g. remote or qemu
|
|
# the x prefix is the minimal level where matching messages should be logged
|
|
# 1: DEBUG
|
|
# 2: INFO
|
|
# 3: WARNING
|
|
# 4: ERROR
|
|
#
|
|
# Multiple filter can be defined in a single @filters, they just need to be
|
|
# separated by spaces.
|
|
#
|
|
# e.g. to only get warning or errors from the remote layer and only errors
|
|
# from the event layer:
|
|
#log_filters="3:remote 4:event"
|
|
|
|
# Logging outputs:
|
|
# An output is one of the places to save logging information
|
|
# The format for an output can be:
|
|
# x:stderr
|
|
# output goes to stderr
|
|
# x:syslog:name
|
|
# use syslog for the output and use the given name as the ident
|
|
# x:file:file_path
|
|
# output to a file, with the given filepath
|
|
# In all case the x prefix is the minimal level, acting as a filter
|
|
# 1: DEBUG
|
|
# 2: INFO
|
|
# 3: WARNING
|
|
# 4: ERROR
|
|
#
|
|
# Multiple output can be defined, they just need to be separated by spaces.
|
|
# e.g. to log all warnings and errors to syslog under the libvirtd ident:
|
|
#log_outputs="3:syslog:libvirtd"
|
|
#
|
|
|
|
# Log debug buffer size: default 64
|
|
# The daemon keeps an internal debug log buffer which will be dumped in case
|
|
# of crash or upon receiving a SIGUSR2 signal. This setting allows to override
|
|
# the default buffer size in kilobytes.
|
|
# If value is 0 or less the debug log buffer is deactivated
|
|
#log_buffer_size = 64
|
|
|
|
|
|
##################################################################
|
|
#
|
|
# Auditing
|
|
#
|
|
# This setting allows usage of the auditing subsystem to be altered:
|
|
#
|
|
# audit_level == 0 -> disable all auditing
|
|
# audit_level == 1 -> enable auditing, only if enabled on host (default)
|
|
# audit_level == 2 -> enable auditing, and exit if disabled on host
|
|
#
|
|
#audit_level = 2
|
|
#
|
|
# If set to 1, then audit messages will also be sent
|
|
# via libvirt logging infrastructure. Defaults to 0
|
|
#
|
|
#audit_logging = 1
|
|
|
|
###################################################################
|
|
# UUID of the host:
|
|
# Provide the UUID of the host here in case the command
|
|
# 'dmidecode -s system-uuid' does not provide a valid uuid. In case
|
|
# 'dmidecode' does not provide a valid UUID and none is provided here, a
|
|
# temporary UUID will be generated.
|
|
# Keep the format of the example UUID below. UUID must not have all digits
|
|
# be the same.
|
|
|
|
# NB This default all-zeros UUID will not work. Replace
|
|
# it with the output of the 'uuidgen' command and then
|
|
# uncomment this entry
|
|
#host_uuid = "00000000-0000-0000-0000-000000000000"
|
|
|
|
###################################################################
|
|
# Keepalive protocol:
|
|
# This allows libvirtd to detect broken client connections or even
|
|
# dead client. A keepalive message is sent to a client after
|
|
# keepalive_interval seconds of inactivity to check if the client is
|
|
# still responding; keepalive_count is a maximum number of keepalive
|
|
# messages that are allowed to be sent to the client without getting
|
|
# any response before the connection is considered broken. In other
|
|
# words, the connection is automatically closed approximately after
|
|
# keepalive_interval * (keepalive_count + 1) seconds since the last
|
|
# message received from the client. If keepalive_interval is set to
|
|
# -1, libvirtd will never send keepalive requests; however clients
|
|
# can still send them and the deamon will send responses. When
|
|
# keepalive_count is set to 0, connections will be automatically
|
|
# closed after keepalive_interval seconds of inactivity without
|
|
# sending any keepalive messages.
|
|
#
|
|
#keepalive_interval = 5
|
|
#keepalive_count = 5
|
|
#
|
|
# If set to 1, libvirtd will refuse to talk to clients that do not
|
|
# support keepalive protocol. Defaults to 0.
|
|
#
|
|
#keepalive_required = 1
|