sfcbd - Online in the Cloud

PROGRAM:

NAME

sfcbd - Small-Footprint CIM Broker (sfcb)

SYNOPSIS

sfcbd [options]

DESCRIPTION

sfcb is a lightweight CIM daemon (aka CIMOM) that responds to CIM client requests for
system management data and/or performs system management tasks. sfcb supports most of the
standard CIM XML over http/https protocol. It is highly modular, allowing functionality
to be easily added, removed or customized for different management applications. sfcb is
specifically targetted for small embedded system that do not have the available CPU,
memory or disk resources to support a full-blown enterprise-level CIMOM. That said, sfcb
runs very well on a regular Linux/Unix system and supports most of the functions required
by CIM clients to manage such the system. Supported CIM operations include:

GetClass
EnumerateClasses
EnumerateClassNames
GetInstance
DeleteInstance
CreateInstance
ModifyInstance
EnumerateInstances
EnumerateInstanceNames
InvokeMethod (MethodCall)
ExecQuery
Associators
AssociatorNames
References
ReferenceNames

CIM process and lifecycle indications (aka 'events') are also supported.

OPTIONS

Supported command line options are:

-c, --config-file=FILE
Specify an alternative configuration file. Default=/etc/sfcb/sfcb.cfg

-d, --daemon
Run sfcbd (and child processes) in the background.

-h, --help
Print help message and exit.

-k, --color-trace
-k, --color-trace Color the trace output of each process

-s, --collect-stats
Turn on runtime statistics collecting. If enabled then various sfcbd runtime
statistics will be written to ./sfcbStat. Default is no statistics are collected.

-t, --trace-components=NUM
Activate component-level tracing messages, where NUM is an OR-ed bitmask integer
defining which component to trace. Specifying "-t ?" will list all the components
and their associated integer bitmask.

-v, --version
Prints version information and exits.

CONFIGURATION FILE

sfcbd reads the configuration file /etc/sfcb/sfcb.cfg (or the file specified with the -c
option) at start up. The configuration file contains option : value pairs, one per line.
For a complete list of options, see the default configuration file included with the sfcb
package.

httpPort
Local port that sfcbd should listen to receive HTTP (i.e. insecure) requests from
CIM clients. Default=5988

enableHttp
Whether sfcb should accept HTTP client connections. Default=true.

httpProcs
Maximum number of simultaneous HTTP client connections before blocking new incoming
HTTP requests. Default=8

httpsPort
Local port that sfcbd should listen to receive HTTPS (i.e. secure) requests from
CIM clients. Default=5989

enableHttps
Whether sfcb should accept HTTPS client connections. Default=false.

httpsProcs
Maximum number of simultaneous HTTPS client connections before blocking new
incoming HTTPS requests. Default=8

enableInterOp
Whether sfcb should provide the interop namespace for indication support.
Default=true

provProcs
Maximum number of simultaneous provider processes. After this point if a new
incoming request requires loading a new provider, then one of the existing
providers will first be automatically unloaded. Default=32

doBasicAuth
Perform basic authentication on the client userid (obtained from the HTTP/HTTPS
header) before allowing the request. Default=false (i.e. no client authentication
performed).

basicAuthLib
Name of the local library to call to authenticate the client userid.
Default=sfcBasicAuthentication

useChunking
Tell sfcbd to use HTTP/HTTPS 'chunking' to return large volumes of response data to
the client in 'chunks', rather than buffering the data and sending it back all at
once. Default=true

keepaliveTimeout
Specify the maximum time in seconds an sfcb HTTP process will wait between two
requests on one connection before terminating. Setting it to 0 will disable HTTP
keep-alive. Default=0

keepaliveMaxRequest
Specify the maximum number of consecutive request on one connection. Setting it to
0 will effectively disable HTTP keep-alive. Default=10

registrationDir
Specify the registration directory, which contains the provider registration data,
the staging area and the static repository. Default=/var/lib/sfcb/registration

providerDirs
A space separated list of directories where sfcb is looking for provider libraries.
Default=/usr/lib /usr/lib/cmpi

providerSampleInterval
The interval in seconds at which the provider manager is checking for idle
providers. Default: 30

providerTimeoutInterval
The interval in seconds before an idle provider gets unloaded by the provider
manager. Default: 60

providerAutoGroup
If set to true, all providers residing in the same shared library will be executed
in the same process unless another group has been specified in the provider
registration file. Default: true

sslCertificateFilePath
Specify the name of the file containing the server's certificate. The file must be
in PEM format. This file is only required if enableHttps is set to true. Default=
/etc/sfcb/server.pem

sslKeyFilePath
Specify the name of the file containing the private key for the server's
certificate. The file must be in PEM format and may not be passphrase-protected.
This file is only required if enableHttps is set to true.
Default=/etc/sfcb/file.pem

sslClientTrustStore
Specify the name of the file or directory containing either the CA certificate
issuing client certificates or self-signed certificates of the clients. This
setting is only required if sslClientCertificate is set to accept or require.

If a file, it must be in PEM format.

If a directory, it must be in "hash format": each file in the directory should be
named hash.0, where hash is the output of openssl x509 -hash. See the -CApath
option in verify(1) from the openssl package for more information about the hash
format.

Default=/etc/sfcb/client.pem

sslClientCertificate
Specify the way sfcb handles client certificate based authentication. If set to
ignore it will not request a certificate from the client. If set to accept it will
request a certificate from the client but not fail if the client doesn't present
one. If set to require it will refuse the client connection if the client doesn't
present a certificate. Default=ignore

certificateAuthLib
Name of the local library to call for client-certificate based user authentication.
Called only if sslClientCertificate is not set to ignore.
Default=sfcCertificateAuthentication

traceLevel
Specify the trace level for sfcb. Can be overriden by setting environment variable
SFCB_TRACE_LEVEL. Default:0.

traceMask
Specify the trace mask for sfcb. Can be overriden by the command line option
--trace-components. Default: 0.

traceFile
Specify the trace file for sfcb. Can be overriden by setting environment variable
SFCB_TRACE_FILE. Default: stderr.

ENVIRONMENT

SFCB_PAUSE_PROVIDER
Specifies the name of the provider to pause after first being loaded to facilitate
attaching a runtime debugger to the provider's process for debugging purposes.

SFCB_PAUSE_CODEC
Specifies the name of the sfcb codec (currently only "http") to pause after first
being started to facilitate attaching a runtime debugger to the process.

SFCB_TRACE
Specifies the level of trace/debug messages for sfcb. Valid values are 0 (no trace
messages), or 1 (key trace messages only) to 4 (all messages). A default value of 1
will be assumed, if this variable is not set.
[Note: SFCB_TRACE level is used in conjunction with sfcb's component-level tracing
to control the level of detail of trace messages to display within each component]

SFCB_TRACE_FILE
By default sfcb trace messages are written to STDERR. Setting this envorinment
variable causes the trace messages to be written to a file instead.

SFCB_TRAP
If set this environment variable enables trap interrupts on x86 platforms to be
generated by sfcb in special situations.
[Note: not currently ever used]

SFCB_LABELPROCS
If set to a positive integer value, enable the process labeling feature. This adds
a description of each process' role to the process cmdline so that it appears in
'ps' output. The identifying info will be appended to the original arv data,
following any passed arguments. The number of bytes appended is limited by the
value of SFCB_LABELPROCS. A value of about 100 should be enough in most cases. A
smaller value may truncate the data, but this may be desired. To disable, set the
vaue to zero, or unset the env var.

SBLIM_TRACE
Specifies the level of trace/debug messages for SBLIM providers. Valid values are
0 (no trace messages), or 1 (key trace messages only) to 4 (all messages).
[Note: this only applies to SBLIM providers written with explicit trace messages in
their source code.]

SBLIM_TRACE_FILE
By default SBLIM provider trace messages are written to STDERR. Setting this
envorinment variable causes the trace messages to be written to a file instead.

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