feat(xo-server): allow logging to external syslog

Follow-up of 756d2fe4e

CHANGELOG.unreleased.md

@@ -9,6 +9,7 @@
 
 - [Backup/Encryption] Use `aes-256-gcm` instead of `aes-256-ccm` to mitigate [padding oracle attacks](https://en.wikipedia.org/wiki/Padding_oracle_attack) (PR [#6447](https://github.com/vatesfr/xen-orchestra/pull/6447))
 - [Settings/Remote] Display `lock` icon for encrypted remote and a warning if the remote uses a legacy encryption algorithm (PR [#6465](https://github.com/vatesfr/xen-orchestra/pull/6465))
+- `xo-server`'s logs can now be sent to an external Syslog server
 
 ### Bug fixes
 

packages/xo-server/package.json

@@ -117,9 +117,11 @@
     "serve-static": "^1.13.1",
     "set-cookie-parser": "^2.3.5",
     "source-map-support": "^0.5.16",
+    "split-log": "^1.0.12",
     "split2": "^4.1.0",
     "stoppable": "^1.0.5",
     "subleveldown": "^6.0.1",
+    "syslog-client": "^1.1.1",
     "tar-stream": "^2.0.1",
     "tmp": "^0.2.1",
     "unzipper": "^0.10.5",

yarn.lock

@@ -17002,6 +17002,14 @@ speedometer@~1.0.0:
   resolved "https://registry.yarnpkg.com/speedometer/-/speedometer-1.0.0.tgz#cd671cb06752c22bca3370e2f334440be4fc62e2"
   integrity sha512-lgxErLl/7A5+vgIIXsh9MbeukOaCb2axgQ+bKCdIE+ibNT4XNYGNCR1qFEGq6F+YDASXK3Fh/c5FgtZchFolxw==
 
+split-log@^1.0.12:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/split-log/-/split-log-1.0.12.tgz#f53216d86039fccc0b69241dc1929b51539be6f2"
+  integrity sha512-goseewD3PJ2ilS8Wg6Fse/I+c3bZ1tRvlU2iXYi6PYg/6mDbd41FlqNSr0E1pD9Enem3wRm/XanJrTzmiMnMuQ==
+  dependencies:
+    lodash "^4.17.4"
+    strftime "^0.10.0"
+
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
@@ -17188,6 +17196,11 @@ stream-splicer@^2.0.0:
     inherits "^2.0.1"
     readable-stream "^2.0.2"
 
+strftime@^0.10.0:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/strftime/-/strftime-0.10.1.tgz#108af1176a7d5252cfbddbdb2af044dfae538389"
+  integrity sha512-nVvH6JG8KlXFPC0f8lojLgEsPA18lRpLZ+RrJh/NkQV2tqOgZfbas8gcU8SFgnnqR3rWzZPYu6N2A3xzs/8rQg==
+
 strict-event-emitter-types@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/strict-event-emitter-types/-/strict-event-emitter-types-2.0.0.tgz#05e15549cb4da1694478a53543e4e2f4abcf277f"
@@ -17604,6 +17617,11 @@ syntax-error@^1.1.1:
   dependencies:
     acorn-node "^1.2.0"
 
+syslog-client@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/syslog-client/-/syslog-client-1.1.1.tgz#bdb28de3b5b7eb28a11352ec3eb78e55aed2ab6b"
+  integrity sha512-c3qKw8JzCuHt0mwrzKQr8eqOc3RB28HgOpFuwGMO3GLscVpfR+0ECevWLZq/yIJTbx3WTb3QXBFVpTFtKAPDrw==
+
 tap-mocha-reporter@^5.0.3:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/tap-mocha-reporter/-/tap-mocha-reporter-5.0.3.tgz#3e261b2a43092ba8bc0cb67a89b33e283decee05"