Mercurial > prosody-modules

annotate mod_storage_mongodb/mod_storage_mongodb.lua @ 4776:13e913471b75

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mod_http_admin_api: Ensure freshness of metrics when in manual mode When in manual collection mode, as recommended for Prometheus, collection needs to be triggered manually, or they would be stale, possibly dating from the start of the server. This might vary per metric depending on how and when the metrics are gathered.
author Kim Alvefur <zash@zash.se>
date Thu, 18 Nov 2021 19:26:07 +0100
parents b21236b6b8d8
children
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1 local next = next;
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2 local setmetatable = setmetatable;
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3
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4 local params = assert ( module:get_option("mongodb") , "mongodb configuration not found" );
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6 prosody.unlock_globals();
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7 local mongo = require "mongo";
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8 prosody.lock_globals();
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10 local json = require "util.json";
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12 local conn
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14 local keyval_store = {};
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15 keyval_store.__index = keyval_store;
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17 function keyval_store:get(username)
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18 local host = module.host or "_global";
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19 local store = self.store;
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21 -- The database name can't have a period in it (hence it can't be a host/ip)
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22 local namespace = params.dbname .. "." .. host;
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23 local v = { _id = { store = store ; username = username } };
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25 local cursor , err = conn:query ( namespace , v );
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26 if not cursor then return nil , err end;
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28 local r , err = cursor:next ( );
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29 if not r then return nil , err end;
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30 return r.data;
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31 end
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33 function keyval_store:set(username, data)
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34 local host = module.host or "_global";
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35 local store = self.store;
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37 -- The database name can't have a period in it (hence it can't be a host/ip)
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38 local namespace = params.dbname .. "." .. host;
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39 local v = { _id = { store = store ; username = username } };
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40
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41 if next(data) ~= nil then -- set data
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42 v.data = data;
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43 return conn:insert ( namespace , json.encode(v) );
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44 else -- delete data
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45 return conn:remove ( namespace , v );
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46 end;
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47 end
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49 local driver = {};
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51 function driver:open(store, typ)
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52 if not conn then
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53 conn = assert ( mongo.Connection.New ( true ) );
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54 assert ( conn:connect ( params.server ) );
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55 if params.username then
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56 assert ( conn:auth ( params ) );
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57 end
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58 end
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60 if not typ then -- default key-value store
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61 return setmetatable({ store = store }, keyval_store);
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62 end;
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63 return nil, "unsupported-store";
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64 end
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65
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66 module:provides("storage", driver);