]>
git.immae.eu Git - github/Chocobozzz/PeerTube.git/blob - server/lib/friends.js
3 const each
= require('async/each')
4 const eachLimit
= require('async/eachLimit')
5 const eachSeries
= require('async/eachSeries')
6 const fs
= require('fs')
7 const request
= require('request')
8 const waterfall
= require('async/waterfall')
10 const constants
= require('../initializers/constants')
11 const db
= require('../initializers/database')
12 const logger
= require('../helpers/logger')
13 const requests
= require('../helpers/requests')
18 reportAbuseVideoToFriend
,
27 function addVideoToFriends (videoData
, transaction
, callback
) {
30 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
34 createRequest(options
, callback
)
37 function updateVideoToFriends (videoData
, transaction
, callback
) {
40 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
44 createRequest(options
, callback
)
47 function removeVideoToFriends (videoParams
) {
50 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
53 createRequest(options
)
56 function reportAbuseVideoToFriend (reportData
, video
) {
59 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
61 toIds: [ video
.Author
.podId
]
63 createRequest(options
)
66 function hasFriends (callback
) {
67 db
.Pod
.countAll(function (err
, count
) {
68 if (err
) return callback(err
)
70 const hasFriends
= (count
!== 0)
71 callback(null, hasFriends
)
75 function getMyCertificate (callback
) {
76 fs
.readFile(constants
.CONFIG
.STORAGE
.CERT_DIR
+ 'peertube.pub', 'utf8', callback
)
79 function makeFriends (hosts
, callback
) {
82 logger
.info('Make friends!')
83 getMyCertificate(function (err
, cert
) {
85 logger
.error('Cannot read public cert.')
89 eachSeries(hosts
, function (host
, callbackEach
) {
90 computeForeignPodsList(host
, podsScore
, callbackEach
)
92 if (err
) return callback(err
)
94 logger
.debug('Pods scores computed.', { podsScore: podsScore
})
95 const podsList
= computeWinningPods(hosts
, podsScore
)
96 logger
.debug('Pods that we keep.', { podsToKeep: podsList
})
98 makeRequestsToWinningPods(cert
, podsList
, callback
)
103 function quitFriends (callback
) {
104 // Stop pool requests
105 db
.Request
.deactivate()
108 function flushRequests (callbackAsync
) {
109 db
.Request
.flush(callbackAsync
)
112 function getPodsList (callbackAsync
) {
113 return db
.Pod
.list(callbackAsync
)
116 function announceIQuitMyFriends (pods
, callbackAsync
) {
117 const requestParams
= {
119 path: '/api/' + constants
.API_VERSION
+ '/pods/remove',
123 // Announce we quit them
124 // We don't care if the request fails
125 // The other pod will exclude us automatically after a while
126 eachLimit(pods
, constants
.REQUESTS_IN_PARALLEL
, function (pod
, callbackEach
) {
127 requestParams
.toPod
= pod
128 requests
.makeSecureRequest(requestParams
, callbackEach
)
131 logger
.error('Some errors while quitting friends.', { err: err
})
132 // Don't stop the process
135 return callbackAsync(null, pods
)
139 function removePodsFromDB (pods
, callbackAsync
) {
140 each(pods
, function (pod
, callbackEach
) {
141 pod
.destroy().asCallback(callbackEach
)
145 // Don't forget to re activate the scheduler, even if there was an error
146 db
.Request
.activate()
148 if (err
) return callback(err
)
150 logger
.info('Removed all remote videos.')
151 return callback(null)
155 function sendOwnedVideosToPod (podId
) {
156 db
.Video
.listOwnedAndPopulateAuthorAndTags(function (err
, videosList
) {
158 logger
.error('Cannot get the list of videos we own.')
162 videosList
.forEach(function (video
) {
163 video
.toAddRemoteJSON(function (err
, remoteVideo
) {
165 logger
.error('Cannot convert video to remote.', { error: err
})
166 // Don't break the process
172 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
176 createRequest(options
)
182 // ---------------------------------------------------------------------------
184 module
.exports
= friends
186 // ---------------------------------------------------------------------------
188 function computeForeignPodsList (host
, podsScore
, callback
) {
189 getForeignPodsList(host
, function (err
, res
) {
190 if (err
) return callback(err
)
192 const foreignPodsList
= res
.data
194 // Let's give 1 point to the pod we ask the friends list
195 foreignPodsList
.push({ host
})
197 foreignPodsList
.forEach(function (foreignPod
) {
198 const foreignPodHost
= foreignPod
.host
200 if (podsScore
[foreignPodHost
]) podsScore
[foreignPodHost
]++
201 else podsScore
[foreignPodHost
] = 1
208 function computeWinningPods (hosts
, podsScore
) {
209 // Build the list of pods to add
210 // Only add a pod if it exists in more than a half base pods
212 const baseScore
= hosts
.length
/ 2
213 Object
.keys(podsScore
).forEach(function (podHost
) {
214 // If the pod is not me and with a good score we add it
215 if (isMe(podHost
) === false && podsScore
[podHost
] > baseScore
) {
216 podsList
.push({ host: podHost
})
223 function getForeignPodsList (host
, callback
) {
224 const path
= '/api/' + constants
.API_VERSION
+ '/pods'
226 request
.get(constants
.REMOTE_SCHEME
.HTTP
+ '://' + host
+ path
, function (err
, response
, body
) {
227 if (err
) return callback(err
)
230 const json
= JSON
.parse(body
)
231 return callback(null, json
)
238 function makeRequestsToWinningPods (cert
, podsList
, callback
) {
239 // Stop pool requests
240 db
.Request
.deactivate()
241 // Flush pool requests
242 db
.Request
.forceSend()
244 eachLimit(podsList
, constants
.REQUESTS_IN_PARALLEL
, function (pod
, callbackEach
) {
246 url: constants
.REMOTE_SCHEME
.HTTP
+ '://' + pod
.host
+ '/api/' + constants
.API_VERSION
+ '/pods/',
249 host: constants
.CONFIG
.WEBSERVER
.HOST
,
254 requests
.makeRetryRequest(params
, function (err
, res
, body
) {
256 logger
.error('Error with adding %s pod.', pod
.host
, { error: err
})
257 // Don't break the process
258 return callbackEach()
261 if (res
.statusCode
=== 200) {
262 const podObj
= db
.Pod
.build({ host: pod
.host
, publicKey: body
.cert
})
263 podObj
.save().asCallback(function (err
, podCreated
) {
265 logger
.error('Cannot add friend %s pod.', pod
.host
, { error: err
})
266 return callbackEach()
269 // Add our videos to the request scheduler
270 sendOwnedVideosToPod(podCreated
.id
)
272 return callbackEach()
275 logger
.error('Status not 200 for %s pod.', pod
.host
)
276 return callbackEach()
279 }, function endRequests () {
280 // Final callback, we've ended all the requests
281 // Now we made new friends, we can re activate the pool of requests
282 db
.Request
.activate()
284 logger
.debug('makeRequestsToWinningPods finished.')
289 // Wrapper that populate "toIds" argument with all our friends if it is not specified
290 // { type, endpoint, data, toIds, transaction }
291 function createRequest (options
, callback
) {
292 if (!callback
) callback = function () {}
293 if (options
.toIds
) return _createRequest(options
, callback
)
295 // If the "toIds" pods is not specified, we send the request to all our friends
296 db
.Pod
.listAllIds(options
.transaction
, function (err
, podIds
) {
298 logger
.error('Cannot get pod ids', { error: err
})
302 const newOptions
= Object
.assign(options
, { toIds: podIds
})
303 return _createRequest(newOptions
, callback
)
307 // { type, endpoint, data, toIds, transaction }
308 function _createRequest (options
, callback
) {
309 const type
= options
.type
310 const endpoint
= options
.endpoint
311 const data
= options
.data
312 const toIds
= options
.toIds
313 const transaction
= options
.transaction
317 // If there are no destination pods abort
318 if (toIds
.length
=== 0) return callback(null)
320 toIds
.forEach(function (toPod
) {
321 pods
.push(db
.Pod
.build({ id: toPod
}))
324 const createQuery
= {
332 const dbRequestOptions
= {
336 return db
.Request
.create(createQuery
, dbRequestOptions
).asCallback(function (err
, request
) {
337 if (err
) return callback(err
)
339 return request
.setPods(pods
, dbRequestOptions
).asCallback(callback
)
343 function isMe (host
) {
344 return host
=== constants
.CONFIG
.WEBSERVER
.HOST