jitsi: Put gen-passwords.sh into the repository instead of extracting stable-7882.tar.gz

This enables us to modify gen-passwords.sh to suit Federated specific
needs, such as using a shared JVB password for Jitsi Scale.

lib/files/jitsi/README.md

@@ -1,6 +1,9 @@
-The files here are unmodified copies of the tarballs at
+The original version of the `gen-passwords.sh` script is
-https://github.com/jitsi/docker-jitsi-meet/tags
+part of docker-jitsi-meet:
+https://github.com/jitsi/docker-jitsi-meet/blob/master/gen-passwords.sh
 
-The only purpose is extracting `gen-passwords.sh`, so
+The version here is taken from tag `stable-9779`, last
-it is ok for the file to be out of sync with the
+modification in commit ID `084266cec54854373d039d20eff13318b2903580`.
-container being used as long as that file remains unchanged.
+
+Local modifications:
+* none; importing the original version unchanged so we can track all of our changes in git.

lib/files/jitsi/gen-passwords.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+function generatePassword() {
+    openssl rand -hex 16
+}
+
+JICOFO_AUTH_PASSWORD=$(generatePassword)
+JVB_AUTH_PASSWORD=$(generatePassword)
+JIGASI_XMPP_PASSWORD=$(generatePassword)
+JIBRI_RECORDER_PASSWORD=$(generatePassword)
+JIBRI_XMPP_PASSWORD=$(generatePassword)
+
+sed -i.bak \
+    -e "s#JICOFO_AUTH_PASSWORD=.*#JICOFO_AUTH_PASSWORD=${JICOFO_AUTH_PASSWORD}#g" \
+    -e "s#JVB_AUTH_PASSWORD=.*#JVB_AUTH_PASSWORD=${JVB_AUTH_PASSWORD}#g" \
+    -e "s#JIGASI_XMPP_PASSWORD=.*#JIGASI_XMPP_PASSWORD=${JIGASI_XMPP_PASSWORD}#g" \
+    -e "s#JIBRI_RECORDER_PASSWORD=.*#JIBRI_RECORDER_PASSWORD=${JIBRI_RECORDER_PASSWORD}#g" \
+    -e "s#JIBRI_XMPP_PASSWORD=.*#JIBRI_XMPP_PASSWORD=${JIBRI_XMPP_PASSWORD}#g" \
+    "$(dirname "$0")/.env"

lib/jitsi.sh

@@ -18,8 +18,7 @@ config_jitsi() {
   fi
 
 # Extract Jitsi's gen-password.sh into /federated/apps/jitsi
-tar zxvf /federated/lib/files/jitsi/stable-* --strip-components 1 --wildcards -C /federated/apps/jitsi '*/gen-passwords.sh' &> /dev/null
+install -c -m 755 /federated/lib/files/jitsi/gen-passwords.sh /federated/apps/jitsi/
-[ $? -ne 0 ] && fail "Couldn't extract files/jitsi/stable* into /federated/apps/jitsi"
 
 # Create docker compose file
 cat > /federated/apps/jitsi/docker-compose.yml <<EOF