cms.conf

{
    "_help": "There is no way to put comments in a JSON file; the",
    "_help": "fields starting with '_' are meant to be comments.",



    "_section": "System-wide configuration",

    "temp_dir": "/tmp",

    "_help": "Whether to have a backdoor (see doc for the risks).",
    "backdoor": false,

    "_help": "The user/group that CMS will be run as.",
    "cmsuser": "cmsuser",


    "_section": "AsyncLibrary",

    "core_services":
    {
        "LogService":        [["localhost", 29000]],
        "ResourceService":   [["localhost", 28000]],
        "ScoringService":    [["localhost", 28500]],
        "Checker":           [["localhost", 22000]],
        "EvaluationService": [["localhost", 25000]],
        "Worker":            [["localhost", 26000],
                              ["localhost", 26001],
                              ["localhost", 26002],
                              ["localhost", 26003]],
        "ContestWebServer":  [["localhost", 21000]],
        "AdminWebServer":    [["localhost", 21100]],
        "ProxyService":      [["localhost", 28600]],
        "PrintingService":   [["localhost", 25123]]
        },

    "other_services":
    {
        "TestFileCacher":    [["localhost", 27501]]
        },



    "_section": "Database",

    "_help": "Connection string for the database.",
    "database": "postgresql+psycopg2://cmsuser:your_password_here@localhost:5432/cmsdb",

    "_help": "Whether SQLAlchemy prints DB queries on stdout.",
    "database_debug": false,

    "_help": "Whether to use two-phase commit.",
    "twophase_commit": false,



    "_section": "Worker",

    "_help": "Don't delete the sandbox directory under /tmp/ when they",
    "_help": "are not needed anymore. Warning: this can easily eat GB",
    "_help": "of space very soon.",
    "keep_sandbox": false,



    "_section": "Sandbox",

    "_help": "Do not allow contestants' solutions to write files bigger",
    "_help": "than this size (expressed in KB; defaults to 1 GB).",
    "max_file_size": 1048576,



    "_section": "WebServers",

    "_help": "This key is used to encode information that can be seen",
    "_help": "by the user, namely cookies and auto-incremented",
    "_help": "numbers. It should be changed for each",
    "_help": "contest. Particularly, you should not use this example",
    "_help": "for other than testing. It must be a 16 bytes long",
    "_help": "hexadecimal number. You can easily create a key calling:",
    "_help": "python -c 'from cmscommon import crypto; print(crypto.get_hex_random_key())'",
    "secret_key":             "8e045a51e4b102ea803c06f92841a1fb",

    "_help": "Whether Tornado prints debug information on stdout.",
    "tornado_debug": false,



    "_section": "ContestWebServer",

    "_help": "Listening HTTP addresses and ports for the CWSs listed above",
    "_help": "in core_services. If you access them through a proxy (acting",
    "_help": "as a load balancer) running on the same host you could put",
    "_help": "127.0.0.1 here for additional security.",
    "contest_listen_address": [""],
    "contest_listen_port":    [8888],

    "_help": "Login cookie duration in seconds. The duration is refreshed",
    "_help": "on every manual request.",
    "cookie_duration": 10800,

    "_help": "If CWSs write submissions to disk before storing them in",
    "_help": "the DB, and where to save them. %s = DATA_DIR.",
    "submit_local_copy":      true,
    "submit_local_copy_path": "%s/submissions/",

    "_help": "The number of proxies that will be crossed before CWSs get",
    "_help": "the request. This is used to decide whether to assume that",
    "_help": "the real source IP address is the one listed in the request",
    "_help": "headers or not. For example, if you're using nginx as a load",
    "_help": "balancer, you will likely want to set this value to 1.",
    "num_proxies_used": 0,

    "_help": "Maximum size of a submission in bytes. If you use a proxy",
    "_help": "and set these sizes to large values remember to change",
    "_help": "client_max_body_size in nginx.conf too.",
    "max_submission_length": 100000,
    "max_input_length": 5000000,

    "_help": "STL documentation path in the system (exposed in CWS).",
    "stl_path": "/usr/share/cppreference/doc/html/",



    "_section": "AdminWebServer",

    "_help": "Listening HTTP address and port for the AWS. If you access",
    "_help": "it through a proxy running on the same host you could put",
    "_help": "127.0.0.1 here for additional security.",
    "admin_listen_address": "",
    "admin_listen_port":    8889,

    "_help": "Login cookie duration for admins in seconds.",
    "_help": "The duration is refreshed on every manual request.",
    "admin_cookie_duration": 36000,



    "_section": "ScoringService",

    "_help": "List of URLs (with embedded username and password) of the",
    "_help": "RWSs where the scores are to be sent. Don't include the",
    "_help": "load balancing proxy (if any), just the backends. If any",
    "_help": "of them uses HTTPS specify a file with the certificates",
    "_help": "you trust.",
    "rankings": ["http://usern4me:passw0rd@localhost:8890/"],
    "https_certfile": null,



    "_section": "PrintingService",

    "_help": "Maximum size of a print job in bytes.",
    "max_print_length": 10000000,

    "_help": "Printer name (can be found out using 'lpstat -p';",
    "_help": "if null, printing is disabled)",
    "printer": null,

    "_help": "Output paper size (probably A4 or Letter)",
    "paper_size": "A4",

    "_help": "Maximum number of pages a user can print per print job",
    "_help": "(excluding the title page). Text files are cropped to this",
    "_help": "length. Too long pdf files are rejected.",
    "max_pages_per_job": 10,
    "max_jobs_per_user": 10,
    "pdf_printing_allowed": false,



    "_help": "This is the end of this file."
}