Exemplo n.º 1
0
def setConfig(chuteName, sections, filepath):
    cfgFile = uci.UCIConfig(filepath)

    # Set the name in the comment field.
    for config, options in sections:
        config['comment'] = chuteName

    oldSections = cfgFile.getChuteConfigs(chuteName)
    if not uci.chuteConfigsMatch(oldSections, sections):
        cfgFile.delConfigs(oldSections)
        cfgFile.addConfigs(sections)
        cfgFile.save(internalid=chuteName)
Exemplo n.º 2
0
def setConfig(chute, old, cacheKeys, filepath):
    """
    Helper function used to modify config file of each various setting in /etc/config/
    Returns:
        True: if it modified a file
        False: if it did NOT cause any modifications
    Raises exception if an error occurs.
    """
    # First pull out all the cache keys from the @new chute
    newconfigs = []

    # chute may be None if a chute installation failed and we are backing out.
    # In that case, newconfigs should be an empty list, meaning there should be
    # nothing left of the chute in the configuration file after we are done.
    if chute is not None:
        for c in cacheKeys:
            t = chute.getCache(c)
            if(t):
                newconfigs += t

    # Get the chute name. At least one of chute or old should be valid.
    chute_name = chute.name if chute is not None else old.name

    # Add comment to each config so we can differentiate between different
    # chute specific configs.
    for e in newconfigs:
        c, o = e
        c['comment'] = chute_name

    # Get the old configs from the file for this chute.
    cfgFile = uci.UCIConfig(filepath)

    # Get all the configs that existed in the old version. Note we are getting
    # the old configs from the etc/config/ file instead of the chute object.
    # This is to improve reliability  - sometimes the file isn't changed it
    # should be because we have reset the board, messed with chutes, etc. and
    # the new/old chuteobjects are identical.
    oldconfigs = cfgFile.getChuteConfigs(chute_name)

    if (uci.chuteConfigsMatch(oldconfigs, newconfigs)):
        # configs match, skipping reloading
        # Save a backup in case we need to restore.
        cfgFile.backup(backupToken="paradrop")
        return False
    else:
        # We need to make changes so delete old configs, load new configs
        # configs don't match, changing chutes and reloading
        cfgFile.delConfigs(oldconfigs)
        cfgFile.addConfigs(newconfigs)
        cfgFile.save(backupToken="paradrop", internalid=chute_name)
        return True
Exemplo n.º 3
0
def setConfig(update, cacheKeys, filepath):
    """
    Helper function used to modify config file of each various setting in /etc/config/
    Returns:
        True: if it modified a file
        False: if it did NOT cause any modifications
    Raises exception if an error occurs.
    """
    # First pull out all the cache keys from the @new chute
    newconfigs = []

    # chute may be None if a chute installation failed and we are backing out.
    # In that case, newconfigs should be an empty list, meaning there should be
    # nothing left of the chute in the configuration file after we are done.
    if update.new is not None:
        for c in cacheKeys:
            t = update.cache_get(c)
            if t is not None:
                newconfigs.extend(t)

    # Get the chute name. At least one of chute or old should be valid.
    chute_name = update.new.name if update.new is not None else update.old.name

    # Add comment to each config so we can differentiate between different
    # chute specific configs.
    for c, o in newconfigs:
        c['comment'] = chute_name

    # Get the old configs from the file for this chute.
    cfgFile = uci.UCIConfig(filepath)

    # Get all the configs that existed in the old version. Note we are getting
    # the old configs from the etc/config/ file instead of the chute object.
    # This is to improve reliability  - sometimes the file isn't changed it
    # should be because we have reset the board, messed with chutes, etc. and
    # the new/old chuteobjects are identical.
    oldconfigs = cfgFile.getChuteConfigs(chute_name)

    if (uci.chuteConfigsMatch(oldconfigs, newconfigs)):
        # configs match, skipping reloading
        # Save a backup in case we need to restore.
        cfgFile.backup(backupToken="paradrop")
        return False
    else:
        # We need to make changes so delete old configs, load new configs
        # configs don't match, changing chutes and reloading
        cfgFile.delConfigs(oldconfigs)
        cfgFile.addConfigs(newconfigs)
        cfgFile.save(backupToken="paradrop", internalid=chute_name)
        return True
Exemplo n.º 4
0
def setConfig(chuteName, sections, filepath):
    cfgFile = uci.UCIConfig(filepath)

    # Set the name in the comment field.
    for config, options in sections:
        config['comment'] = chuteName

    oldSections = cfgFile.getChuteConfigs(chuteName)
    if not uci.chuteConfigsMatch(oldSections, sections):
        cfgFile.delConfigs(oldSections)
        cfgFile.addConfigs(sections)
        cfgFile.save(backupToken="paradrop", internalid=chuteName)
    else:
        # Save a backup of the file even though there were no changes.
        cfgFile.backup(backupToken="paradrop")
Exemplo n.º 5
0
def setConfig(chuteName, sections, filepath):
    cfgFile = uci.UCIConfig(filepath)

    # Set the name in the comment field.
    for config, options in sections:
        config['comment'] = chuteName

    oldSections = cfgFile.getChuteConfigs(chuteName)
    if not uci.chuteConfigsMatch(oldSections, sections):
        cfgFile.delConfigs(oldSections)
        cfgFile.addConfigs(sections)
        cfgFile.save(backupToken="paradrop", internalid=chuteName)
    else:
        # Save a backup of the file even though there were no changes.
        cfgFile.backup(backupToken="paradrop")
Exemplo n.º 6
0
def setConfig(chute, old, cacheKeys, filepath):
    """
    Helper function used to modify config file of each various setting in /etc/config/
    Returns:
        True: if it modified a file
        False: if it did NOT cause any modifications
    Raises exception if an error occurs.
    """
    # First pull out all the cache keys from the @new chute
    newconfigs = []
    for c in cacheKeys:
        t = chute.getCache(c)
        if (t):
            newconfigs += t

    if (len(newconfigs) == 0):
        out.info('no settings to add %r\n' % (chute))
        # We are no longer returning because we need to remove the old configs if necessary
        # return False

    # add comment to each config so we can differentiate between different chute specific configs
    for e in newconfigs:
        c, o = e
        c['comment'] = chute.name

    # Get the old configs from the file for this chuteid

    # Find the config file
    cfgFile = uci.UCIConfig(filepath)

    # Get all the configs that existed in the old version
    # Note we are getting the old configs from the etc/config/ file instead of the chute object
    # This is to improve reliability  - sometimes the file isn't changed it should be
    # because we have reset the board, messed with chutes, etc. and the new/old chuteobjects are identical
    oldconfigs = cfgFile.getChuteConfigs(chute.name)

    if (uci.chuteConfigsMatch(oldconfigs, newconfigs)):
        # configs match, skipping reloading
        # Save a backup in case we need to restore.
        cfgFile.backup(backupToken="paradrop")
        return False
    else:
        # We need to make changes so delete old configs, load new configs
        # configs don't match, changing chutes and reloading
        cfgFile.delConfigs(oldconfigs)
        cfgFile.addConfigs(newconfigs)
        cfgFile.save(backupToken="paradrop", internalid=chute.name)
        return True
Exemplo n.º 7
0
def setConfig(chute, old, cacheKeys, filepath):
    """
    Helper function used to modify config file of each various setting in /etc/config/
    Returns:
        True: if it modified a file
        False: if it did NOT cause any modifications
    Raises exception if an error occurs.
    """
    # First pull out all the cache keys from the @new chute
    newconfigs = []
    for c in cacheKeys:
        t = chute.getCache(c)
        if(t):
            newconfigs += t

    if(len(newconfigs) == 0):
        out.info('no settings to add %r\n' % (chute))
        # We are no longer returning because we need to remove the old configs if necessary
        # return False

    # add comment to each config so we can differentiate between different chute specific configs
    for e in newconfigs:
        c, o = e
        c['comment'] = chute.name

    # Get the old configs from the file for this chuteid

    # Find the config file
    cfgFile = uci.UCIConfig(filepath)

    # Get all the configs that existed in the old version
    # Note we are getting the old configs from the etc/config/ file instead of the chute object
    # This is to improve reliability  - sometimes the file isn't changed it should be
    # because we have reset the board, messed with chutes, etc. and the new/old chuteobjects are identical
    oldconfigs = cfgFile.getChuteConfigs(chute.name)

    if (uci.chuteConfigsMatch(oldconfigs, newconfigs)):
        # configs match, skipping reloading
        return False
    else:
        # We need to make changes so delete old configs, load new configs
        # configs don't match, changing chutes and reloading
        cfgFile.delConfigs(oldconfigs)
        cfgFile.addConfigs(newconfigs)
        cfgFile.save(backupToken="paradrop", internalid=chute.name)
        return True
Exemplo n.º 8
0
def test_uci():
    """
    Test UCI file utility module
    """
    from paradrop.lib.utils import uci
    from paradrop.lib import settings

    # Test functions for finding path to UCI files
    settings.UCI_CONFIG_DIR = "/tmp/config.d"
    assert uci.getSystemConfigDir() == "/tmp/config.d"
    assert uci.getSystemPath("network") == "/tmp/config.d/network"

    # Test stringify function
    assert uci.stringify("a") == "a"
    blob = {"a": "b"}
    assert uci.stringify(blob) == blob
    blob = {"a": {"b": "c"}}
    assert uci.stringify(blob) == blob
    blob = {"a": ["b", "c"]}
    assert uci.stringify(blob) == blob
    blob = {"a": 5}
    strblob = {"a": "5"}
    assert uci.stringify(blob) == strblob
    assert uci.isMatch(blob, strblob)

    # Write a realistic configuration and load with uci module
    path = writeTempFile(NETWORK_WAN_CONFIG)
    config = uci.UCIConfig(path)

    # Test if it found the config section that we know should be there
    empty = {}
    assert config.getConfig(empty) == []
    match = {"type": "interface", "name": "wan", "comment": "__PARADROP__"}
    assert len(config.getConfig(match)) == 1
    match = {"type": "interface", "name": "wan", "comment": "chute"}
    assert config.getConfig(match) == []
    assert config.getConfigIgnoreComments(empty) == []
    assert len(config.getConfigIgnoreComments(match)) == 1

    # More existence tests
    assert not config.existsConfig(empty, empty)
    match_config = {
        "type": "interface",
        "name": "wan",
        "comment": "__PARADROP__"
    }
    match_options = {
        "ifname": "eth0",
        "proto": "dhcp"
    }
    assert config.existsConfig(match_config, match_options)

    # Test adding and removing
    config.delConfigs([(match_config, match_options)])
    assert not config.existsConfig(match_config, match_options)
    config.addConfigs([(match_config, match_options)])
    assert config.existsConfig(match_config, match_options)
    config.delConfig(match_config, match_options)
    assert not config.existsConfig(match_config, match_options)
    config.addConfig(match_config, match_options)
    assert config.existsConfig(match_config, match_options)

    # Get configuration by chute name
    assert config.getChuteConfigs("none") == []
    assert len(config.getChuteConfigs("__PARADROP__")) == 1

    # Test saving and reloading
    config.save(backupToken="backup")
    config2 = uci.UCIConfig(path)

    # Simple test for the equality operators
    assert config == config2
    assert not (config != config2)

    # Test chuteConfigsMatch function
    assert not uci.chuteConfigsMatch(config.getChuteConfigs("__PARADROP__"),
            config2.getChuteConfigs("none"))
    assert uci.chuteConfigsMatch(config.getChuteConfigs("__PARADROP__"),
            config2.getChuteConfigs("__PARADROP__"))

    # Further test the equality operators
    config2.filepath = "NOMATCH"
    assert not (config == config2)
    assert config != config2

    config2.filepath = config.filepath
    config2.myname = "NOMATCH"
    assert not (config == config2)
    assert config != config2

    config2.myname = config.myname
    config2.config = []
    assert not (config == config2)
    assert config != config2
Exemplo n.º 9
0
def test_uci():
    """
    Test UCI file utility module
    """
    from paradrop.lib.utils import uci
    from paradrop.base import settings

    # Test functions for finding path to UCI files
    settings.loadSettings(mode="unittest")
    assert uci.getSystemConfigDir() == "/tmp/.paradrop-test/uci/config.d/"
    assert uci.getSystemPath(
        "network") == "/tmp/.paradrop-test/uci/config.d/network"

    # Test stringify function
    assert uci.stringify("a") == "a"
    blob = {"a": "b"}
    assert uci.stringify(blob) == blob
    blob = {"a": {"b": "c"}}
    assert uci.stringify(blob) == blob
    blob = {"a": ["b", "c"]}
    assert uci.stringify(blob) == blob
    blob = {"a": 5}
    strblob = {"a": "5"}
    assert uci.stringify(blob) == strblob
    assert uci.isMatch(blob, strblob)

    # Write a realistic configuration and load with uci module
    path = writeTempFile(NETWORK_WAN_CONFIG)
    config = uci.UCIConfig(path)

    # Test if it found the config section that we know should be there
    empty = {}
    assert config.getConfig(empty) == []
    match = {"type": "interface", "name": "wan", "comment": "__PARADROP__"}
    assert len(config.getConfig(match)) == 1
    match = {"type": "interface", "name": "wan", "comment": "chute"}
    assert config.getConfig(match) == []
    assert config.getConfigIgnoreComments(empty) == []
    assert len(config.getConfigIgnoreComments(match)) == 1

    # More existence tests
    assert not config.existsConfig(empty, empty)
    match_config = {
        "type": "interface",
        "name": "wan",
        "comment": "__PARADROP__"
    }
    match_options = {"ifname": "eth0", "proto": "dhcp"}
    assert config.existsConfig(match_config, match_options)

    # Test adding and removing
    config.delConfigs([(match_config, match_options)])
    assert not config.existsConfig(match_config, match_options)
    config.addConfigs([(match_config, match_options)])
    assert config.existsConfig(match_config, match_options)
    config.delConfig(match_config, match_options)
    assert not config.existsConfig(match_config, match_options)
    config.addConfig(match_config, match_options)
    assert config.existsConfig(match_config, match_options)

    # Get configuration by chute name
    assert config.getChuteConfigs("none") == []
    assert len(config.getChuteConfigs("__PARADROP__")) == 1

    # Test saving and reloading
    config.save(backupToken="backup")
    config2 = uci.UCIConfig(path)

    # Simple test for the equality operators
    assert config == config2
    assert not (config != config2)

    # Test chuteConfigsMatch function
    assert not uci.chuteConfigsMatch(config.getChuteConfigs("__PARADROP__"),
                                     config2.getChuteConfigs("none"))
    assert uci.chuteConfigsMatch(config.getChuteConfigs("__PARADROP__"),
                                 config2.getChuteConfigs("__PARADROP__"))

    # Further test the equality operators
    config2.filepath = "NOMATCH"
    assert not (config == config2)
    assert config != config2

    config2.filepath = config.filepath
    config2.myname = "NOMATCH"
    assert not (config == config2)
    assert config != config2

    config2.myname = config.myname
    config2.config = []
    assert not (config == config2)
    assert config != config2