#252646884

Committed 11 Mar 2022 07:34PM UTC coverage: 1.797% (-0.01%) from 1.81%

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push

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Commit Message

Merge pull request #292 from suculent/thinx-swarm

post-relese maintenance fixes

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33 of 1351 relevant lines covered (2.44%)

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0.72

/lib/thinx/database.js

// Database Manager

const Globals = require("./globals.js");
const app_config = Globals.app_config();
const fs = require("fs-extra");
module.exports = class Database {

        constructor() {
                this.nano = require("nano")(app_config.database_uri);
                console.log("✅ [info] Loaded module: Database");
        }

        nano() {
                return this.nano;
        }

        null_cb(err, body, header) {
                // only unexpected errors should be logged
                if (process.env.ENVIRONMENT === "test") {
                        // The database may already exist.
                        if (err.ststusCode !== 412) {
                                console.log(err, body, header);
                        }
                }
        }

        // Designated initalizer
        init(callback) {

                console.log("ℹ️ [info] Initializing databases...");

                let db_names = [
                        "devices", "builds", "users", "logs"
                ];

                this.nano.db.list((err, existing_dbs) => {

                        if ((typeof(existing_dbs) === "undefined") || (existing_dbs === null)) existing_dbs = [];

                        db_names.forEach((name) => {

                                if (existing_dbs.includes(name)) {
                                        console.log("DB", name, "already exists.");
                                        return;
                                }

                                console.log("ℹ️ [info] Creating database", name);

                                const dbprefix = Globals.prefix();

                                this.nano.db.create(dbprefix + "managed_" + name).then((/* body */) => {
                                        var couch_db = this.nano.db.use(dbprefix + "managed_" + name);
                                        this.injectDesign(couch_db, name, "/opt/thinx/thinx-device-api/design/design_" + name + ".json");
                                        this.injectReplFilter(couch_db, "/opt/thinx/thinx-device-api/design/filters_" + name + ".json");
                                        console.log(`ℹ️ [info] managed_${name} db is ready now.`);
                                }).catch((err2) => {
                                        this.handleDatabaseErrors(err2, "managed_" + name);
                                });
                        });

                        this.nano.db.list((err2, new_dbs) => {
                                if (typeof (callback) !== "undefined") {
                                        callback(err2, new_dbs);
                                } else {
                                        return new_dbs;
                                }
                        });

                        setTimeout(() => {
                                setInterval(this.compactDatabases, 3600 * 1000); // Compact databases once an hour        
                        }, 30000);
                        
                });
        }

        compactDatabases(opt_callback) {
                const prefix = Globals.prefix();
                this.nano = require("nano")(app_config.database_uri);
                this.nano.db.compact(prefix + "managed_logs");
                this.nano.db.compact(prefix + "managed_builds");
                this.nano.db.compact(prefix + "managed_devices");
                this.nano.db.compact(prefix + "managed_users", "owners_by_username", (err) => {
                        if (err) {
                                if (typeof(opt_callback) !== "undefined") opt_callback(err);
                        } else {
                                console.log("» Database compact jobs completed.");
                                if (typeof(opt_callback) !== "undefined") opt_callback(true);
                        }
                });
        }

        // Database preparation on first run
        getDocument(file) {
                if (!fs.existsSync(file)) {
                        console.log("Initializing replication filter failed, file does not exist", file);
                        return false;
                }
                const data = fs.readFileSync(file);
                if (typeof (data) === "undefined") {
                        console.log("» [getDocument] no data read.");
                        return false;
                }
                // Parser may fail
                try {
                        return JSON.parse(data);
                } catch (e) {
                        console.log("» Document File may not exist: " + e);
                        return false;
                }
        }

        logCouchError(err, body, header, tag) {
                if (err !== null) {
                        if (err.toString().indexOf("conflict") === -1) {
                                console.log("☣️ [error] Couch Init error: ", err, body, header, tag);
                        }
                        if (err.toString().indexOf("ENOTFOUND") !== -1) {
                                console.log("Critical DB integration error, exiting.");
                                process.exit(1);
                        }
                } else {
                        return;
                }
                if (typeof (body) !== "undefined") {
                        console.log("☣️ [error] Log Couch Insert body: " + body + " " + tag);
                }
                if (typeof (header) !== "undefined") {
                        console.log("☣️ [error] Log Couchd Insert header: " + header + " " + tag);
                }
        }

        injectDesign(db, design, file) {
                if (typeof (design) === "undefined") return;
                let design_doc = this.getDocument(file);
                if (design_doc != null) {
                        db.insert(design_doc, "_design/" + design, (err, body, header) => {
                                this.logCouchError(err, body, header, "init:design:" + design); // returns if no err
                        });
                } else {
                        console.log("☣️ [error] Design doc injection issue at " + file);
                }
        }

        injectReplFilter(db, file) {
                let filter_doc = this.getDocument(file);
                if (filter_doc !== false) {
                        db.insert(filter_doc, "_design/repl_filters", (err, body, header) => {
                                this.logCouchError(err, body, header, "init:repl:" + JSON.stringify(filter_doc)); // returns if no err
                        });
                } else {
                        console.log("☣️ [error] Filter doc injection issue (no doc) at " + file);
                }
        }

        handleDatabaseErrors(err, name) {
                if (err.toString().indexOf("the file already exists") !== -1) {
                        // silently fail, this is ok
                } else if (err.toString().indexOf("error happened") !== -1) {
                        console.log("🚫 [critical] Database connectivity issue. " + err.toString() + " URI: " + app_config.database_uri);
                        // give some time for DB to wake up until next try, also prevents too fast restarts...
                        setTimeout(() => {
                                process.exit(1);
                        }, 1000);
                } else {
                        console.log("🚫 [critical] Database " + name + " creation failed. " + err + " URI: " + app_config.database_uri);
                        setTimeout(() => {
                                process.exit(2);
                        }, 1000);
                }
        }
};

1	// Database Manager
2
3	const Globals = require("./globals.js");	1✔
4	const app_config = Globals.app_config();	×
5	const fs = require("fs-extra");	×
6	module.exports = class Database {	×
7
8	constructor() {
9	this.nano = require("nano")(app_config.database_uri);
10	console.log("✅ [info] Loaded module: Database");
11	}	×
12		×
13	nano() {
14	return this.nano;	×
15	}	×
16
17	null_cb(err, body, header) {	×
18	// only unexpected errors should be logged	×
19	if (process.env.ENVIRONMENT === "test") {
20	// The database may already exist.
21	if (err.ststusCode !== 412) {	×
22	console.log(err, body, header);	×
23	}	×
24	}
25	}
26
27	// Designated initalizer	×
28	init(callback) {
29
30	console.log("ℹ️ [info] Initializing databases...");
31
32	let db_names = [
33	"devices", "builds", "users", "logs"
34	];
35
36	this.nano.db.list((err, existing_dbs) => {
37
38	if ((typeof(existing_dbs) === "undefined") \|\| (existing_dbs === null)) existing_dbs = [];
39
40	db_names.forEach((name) => {
41
42	if (existing_dbs.includes(name)) {
43	console.log("DB", name, "already exists.");
44	return;
45	}
46
47	console.log("ℹ️ [info] Creating database", name);	×
48
49	const dbprefix = Globals.prefix();
50
51	this.nano.db.create(dbprefix + "managed_" + name).then((/* body */) => {
52	var couch_db = this.nano.db.use(dbprefix + "managed_" + name);
53	this.injectDesign(couch_db, name, "/opt/thinx/thinx-device-api/design/design_" + name + ".json");	×
54	this.injectReplFilter(couch_db, "/opt/thinx/thinx-device-api/design/filters_" + name + ".json");
55	console.log(`ℹ️ [info] managed_${name} db is ready now.`);	×
56	}).catch((err2) => {	×
57	this.handleDatabaseErrors(err2, "managed_" + name);
58	});
59	});
60
61	this.nano.db.list((err2, new_dbs) => {
62	if (typeof (callback) !== "undefined") {
63	callback(err2, new_dbs);
64	} else {	×
65	return new_dbs;
66	}	×
67	});
68
69	setTimeout(() => {
70	setInterval(this.compactDatabases, 3600 * 1000); // Compact databases once an hour	×
71	}, 30000);
72		×
73	});
74	}	×
75
76	compactDatabases(opt_callback) {	×
77	const prefix = Globals.prefix();	×
78	this.nano = require("nano")(app_config.database_uri);	×
79	this.nano.db.compact(prefix + "managed_logs");
80	this.nano.db.compact(prefix + "managed_builds");
81	this.nano.db.compact(prefix + "managed_devices");	×
82	this.nano.db.compact(prefix + "managed_users", "owners_by_username", (err) => {
83	if (err) {	×
84	if (typeof(opt_callback) !== "undefined") opt_callback(err);
85	} else {	×
86	console.log("» Database compact jobs completed.");	×
87	if (typeof(opt_callback) !== "undefined") opt_callback(true);	×
88	}	×
89	});	×
90	}
91		×
92	// Database preparation on first run
93	getDocument(file) {
94	if (!fs.existsSync(file)) {
95	console.log("Initializing replication filter failed, file does not exist", file);	×
96	return false;	×
97	}	×
98	const data = fs.readFileSync(file);
99	if (typeof (data) === "undefined") {	×
100	console.log("» [getDocument] no data read.");
101	return false;
102	}
103	// Parser may fail	×
104	try {	×
105	return JSON.parse(data);
106	} catch (e) {
107	console.log("» Document File may not exist: " + e);
108	return false;
109	}
110	}
111		×
112	logCouchError(err, body, header, tag) {	×
113	if (err !== null) {	×
114	if (err.toString().indexOf("conflict") === -1) {	×
115	console.log("☣️ [error] Couch Init error: ", err, body, header, tag);	×
116	}	×
117	if (err.toString().indexOf("ENOTFOUND") !== -1) {	×
118	console.log("Critical DB integration error, exiting.");	×
119	process.exit(1);	×
120	}
121	} else {	×
122	return;	×
123	}
124	if (typeof (body) !== "undefined") {
125	console.log("☣️ [error] Log Couch Insert body: " + body + " " + tag);
126	}
127	if (typeof (header) !== "undefined") {
128	console.log("☣️ [error] Log Couchd Insert header: " + header + " " + tag);
129	}	×
130	}	×
131		×
132	injectDesign(db, design, file) {
133	if (typeof (design) === "undefined") return;	×
134	let design_doc = this.getDocument(file);	×
135	if (design_doc != null) {	×
136	db.insert(design_doc, "_design/" + design, (err, body, header) => {	×
137	this.logCouchError(err, body, header, "init:design:" + design); // returns if no err
138	});
139	} else {	×
140	console.log("☣️ [error] Design doc injection issue at " + file);	×
141	}
142	}	×
143		×
144	injectReplFilter(db, file) {
145	let filter_doc = this.getDocument(file);
146	if (filter_doc !== false) {
147	db.insert(filter_doc, "_design/repl_filters", (err, body, header) => {
148	this.logCouchError(err, body, header, "init:repl:" + JSON.stringify(filter_doc)); // returns if no err	×
149	});	×
150	} else {	×
151	console.log("☣️ [error] Filter doc injection issue (no doc) at " + file);
152	}	×
153	}	×
154		×
155	handleDatabaseErrors(err, name) {
156	if (err.toString().indexOf("the file already exists") !== -1) {
157	// silently fail, this is ok	×
158	} else if (err.toString().indexOf("error happened") !== -1) {
159	console.log("🚫 [critical] Database connectivity issue. " + err.toString() + " URI: " + app_config.database_uri);	×
160	// give some time for DB to wake up until next try, also prevents too fast restarts...	×
161	setTimeout(() => {
162	process.exit(1);	×
163	}, 1000);	×
164	} else {
165	console.log("🚫 [critical] Database " + name + " creation failed. " + err + " URI: " + app_config.database_uri);
166	setTimeout(() => {
167	process.exit(2);
168	}, 1000);	×
169	}	×
170	}	×
171	};	×

suculent / thinx-device-api / #252646884

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