Obsidian-LiveSync (#16233)

* Add obsidian-livesync (ct)

* Update ct/obsidian-livesync.sh

Co-authored-by: Sam Heinz <sam@samheinz.com>

* Fix source line for build.func in obsidian-livesync.sh

Updated the source line to always fetch build.func from the specified URL.

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ (MickLesk) <47820557+MickLesk@users.noreply.github.com>
Co-authored-by: Sam Heinz <sam@samheinz.com>

install/obsidian-livesync-install.sh

@@ -0,0 +1,98 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/vrtmrz/obsidian-livesync | https://couchdb.apache.org/
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+setup_deb822_repo \
+  "couchdb" \
+  "https://couchdb.apache.org/repo/keys.asc" \
+  "https://apache.jfrog.io/artifactory/couchdb-deb/" \
+  "$(get_os_info codename)" \
+  "main"
+
+msg_info "Installing CouchDB"
+COUCHDB_ADMIN_USER="admin"
+COUCHDB_PASSWORD="$(openssl rand -hex 24)"
+COUCHDB_COOKIE="$(openssl rand -hex 16)"
+
+cat <<EOF | debconf-set-selections
+couchdb couchdb/mode select standalone
+couchdb couchdb/mode seen true
+couchdb couchdb/bindaddress string 0.0.0.0
+couchdb couchdb/bindaddress seen true
+couchdb couchdb/cookie string ${COUCHDB_COOKIE}
+couchdb couchdb/cookie seen true
+couchdb couchdb/adminpass password ${COUCHDB_PASSWORD}
+couchdb couchdb/adminpass seen true
+couchdb couchdb/adminpass_again password ${COUCHDB_PASSWORD}
+couchdb couchdb/adminpass_again seen true
+EOF
+DEBIAN_FRONTEND=noninteractive $STD apt-get install -y couchdb
+
+cat <<EOF >/root/.couchdb.credentials
+COUCHDB_ADMIN_USER="${COUCHDB_ADMIN_USER}"
+COUCHDB_ADMIN_PASSWORD="${COUCHDB_PASSWORD}"
+COUCHDB_COOKIE="${COUCHDB_COOKIE}"
+EOF
+msg_ok "Installed CouchDB"
+
+msg_info "Configuring CouchDB"
+mkdir -p /opt/couchdb/etc/local.d /opt/obsidian-livesync
+cat <<EOF >/opt/couchdb/etc/local.d/obsidian-livesync.ini
+[couchdb]
+single_node = true
+max_document_size = 50000000
+
+[admins]
+admin = ${COUCHDB_PASSWORD}
+
+[chttpd]
+bind_address = 0.0.0.0
+port = 5984
+max_http_request_size = 4294967296
+
+[chttpd_auth]
+require_valid_user = true
+
+[httpd]
+enable_cors = true
+WWW-Authenticate = Basic realm="couchdb"
+
+[cors]
+credentials = true
+origins = app://obsidian.md,capacitor://localhost,http://localhost
+headers = accept, authorization, content-type, origin, referer
+methods = GET, PUT, POST, HEAD, DELETE
+max_age = 3600
+EOF
+cat <<EOF >/opt/obsidian-livesync/.env
+COUCHDB_URL=http://${LOCAL_IP}:5984
+COUCHDB_USER=admin
+COUCHDB_PASSWORD=${COUCHDB_PASSWORD}
+COUCHDB_DATABASE=obsidiannotes
+EOF
+chmod 600 /opt/obsidian-livesync/.env
+msg_ok "Configured CouchDB"
+
+msg_info "Creating LiveSync Database"
+systemctl enable -q couchdb
+systemctl restart couchdb
+for _ in {1..30}; do
+  curl -fsS -u "admin:${COUCHDB_PASSWORD}" -X PUT http://127.0.0.1:5984/obsidiannotes >/dev/null 2>&1 && break
+  sleep 1
+done
+msg_ok "Created LiveSync Database"
+
+motd_ssh
+customize
+cleanup_lxc