query.py 5.36 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203
from zephir.i18n import _
"""
List all servers
"""

FETCH_ALL_SERVERS = '''
    SELECT serverid, servername, serverdescription, servermodelid, zoneid, machineid, automation, lastpeerconnection
    FROM server
 '''

"""
Fetch one server based on its ID
"""
FETCH_SERVER = '''
    SELECT serverid, servername, serverdescription, servermodelid, zoneid, machineid, automation, serverenvironment, lastpeerconnection
    FROM server
    WHERE serverid = %s
'''

"""
Fetch a server automation type
"""
FETCH_SERVER_AUTOMATION = '''
    SELECT automation
    FROM server
    WHERE serverid = %s
'''

"""
Creates a server based on its name and servermodel
"""
SERVER_INSERT = '''
    INSERT INTO server (servername, serverdescription, servermodelid)
    VALUES (%s, %s, %s)
    RETURNING *
'''

"""
Updates a server name based on its ID
"""
SERVER_UPDATE = '''
    UPDATE server
    SET servername = %s,
        serverdescription = %s
    WHERE serverid = %s
    RETURNING *
'''

"""
Set environment content for given server
"""
SERVER_UPDATE_ENVIRONMENT = '''
    UPDATE server
    SET serverenvironment = %s
    WHERE serverid = %s
'''

"""
Set last peer connection for given server
"""
SERVER_UPDATE_PEERCONNECTION = '''
    UPDATE server
    SET lastpeerconnection = %s
    WHERE serverid = %s
'''

"""
Set configuration content for given server
"""
SERVER_UPDATE_CONFIGURATION = '''
    UPDATE server
    SET serverconfiguration = %s
    WHERE serverid = %s
'''

"""
Get configuration content for given server
"""
FETCH_SERVER_CONFIGURATION = '''
    SELECT serverconfiguration FROM server
    WHERE serverid = %s
'''

"""
Set automation field to associate server with automation software
"""
SERVER_AUTOMATION_SET = '''
    UPDATE server
    SET automation = %s
    WHERE serverid = %s
'''

"""
Deletes a server based on its ID
"""
SERVER_DELETE = '''
    DELETE
    FROM server
    WHERE serverid = %s
    RETURNING *
'''

"""
Suppression du contenu de la table de jointure servermodelapplicationservice
"""
SERVER_ERASE = """DELETE from server"""


def fetchone(cursor, query: str, query_parameters: tuple=None, raises: bool=False):
    cursor.execute(query, query_parameters)
    fetched = cursor.fetchone()
    if not fetched:
        if raises:
            raise Exception(_("cannot find element with query {} and parameters {}").format(query, query_parameters))
        fetched = None
    return fetched


def server_row_to_dict(server, serverenvironment=False):
    server_obj = {'serverid': server['serverid'],
                  'servername': server['servername'],
                  'serverdescription': server['serverdescription'],
                  'servermodelid': server['servermodelid']}
    if server['lastpeerconnection'] is None:
        server_obj['lastpeerconnection'] = ""
    else:
        server_obj['lastpeerconnection'] = str(server['lastpeerconnection'])
    if serverenvironment:
        # Cas du describe : on veut le serverenvironment
        if server['serverenvironment'] is not None:
            server_obj['serverenvironment'] = server['serverenvironment']
        else:
            server_obj['serverenvironment'] = {}
    if server['automation'] is not None:
        server_obj['automation'] = server['automation']
    if server['zoneid'] is not None:
        server_obj['zoneid'] = server['zoneid']
    if server['machineid'] is not None:
        server_obj['machineid'] = server['machineid']
    return server_obj


def list_all_servers(cursor):
    cursor.execute(FETCH_ALL_SERVERS)
    ret = []
    for server in cursor.fetchall():
        ret.append(server_row_to_dict(server))
    return ret


def fetch_server_dict(cursor, serverid: int):
    return server_row_to_dict(fetchone(cursor, FETCH_SERVER, (serverid,), raises=True), serverenvironment=True)


def fetch_server(cursor, serverid: int):
    fetched = fetchone(cursor, FETCH_SERVER, (serverid,))
    if fetched is None:
        raise Exception(_('unable to find a server with id {}').format(serverid))
    return fetched


def insert_server(cursor, servername, serverdescription, servermodelid):
    return server_row_to_dict(fetchone(cursor, SERVER_INSERT, (servername, serverdescription, servermodelid), raises=True))


def update_server(cursor, serverid, servername, serverdescription):
    return server_row_to_dict(fetchone(cursor, SERVER_UPDATE, (servername, serverdescription, serverid), raises=True))


def update_environment(cursor, serverid, serverenvironment):
    cursor.execute(SERVER_UPDATE_ENVIRONMENT, (serverenvironment, serverid))
    return cursor.statusmessage


def update_configuration(cursor, serverid, serverconfiguration):
    cursor.execute(SERVER_UPDATE_CONFIGURATION, (serverconfiguration, serverid))
    return cursor.statusmessage


def update_peerconnection(cursor, serverid, lastpeerconnection):
    cursor.execute(SERVER_UPDATE_PEERCONNECTION, (lastpeerconnection, serverid))
    return cursor.statusmessage


def fetch_configuration(cursor, serverid):
    fetched = fetchone(cursor, FETCH_SERVER_CONFIGURATION, (serverid,), raises=True)
    return fetched


def delete_server(cursor, serverid):
    return server_row_to_dict(fetchone(cursor, SERVER_DELETE, (serverid,), raises=True))


def set_automation_value(cursor, serverid, automation):
    cursor.execute(SERVER_AUTOMATION_SET, (automation, serverid))
    return cursor.statusmessage


def erase_server(cursor):
    """
    Supprime le contenu de la table Server
    """
    cursor.execute(SERVER_ERASE)