annotate mod_migrate/README.markdown @ 4976:75b6e5df65f9

various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
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children
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1 ---
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2 summary: prosodyctl cross storage driver migration tool
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3 ...
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5 Introduction
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6 ============
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7
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8 This module adds a command to `prosodyctl` for copying data between
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9 storage drivers.
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10
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11 Usage
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12 =====
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14 prosodyctl mod_migrate example.com <source-store>[-<store-type>] <target-driver> [users]*
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16 `<source-store>` would be e.g. `accounts` or `private`. To migrate
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17 archives, the optional suffix `<store-type>` would be set to `archive`,
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18 so e.g. `archive2-archive` or `muc_log-archive`. Multiple stores can be
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19 given if separated by commas.
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21 `<target-driver>` is the storage driver to copy data to, sans the
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22 `mod_storage_` prefix.
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24 `mod_migrate` tries to request a list of users from `usermanager`, but
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25 this does not always work. If so, you can supply usernames as arguments
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26 after the target driver.
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28 The process is something like this:
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30 1. Decide on the future configuration and add for example SQL
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31 connection details to your prosody config, but don't change the
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32 `store` option yet.
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33 2. With Prosody shut down, run
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34 `prosodyctl mod_migrate example.com accounts sql`
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35 3. Repeat for each store, substituting 'accounts'. E.g. vcards,
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36 private...
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37 4. Change the [`storage` configuration](https://prosody.im/doc/storage)
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38 to use the new driver.
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39 5. Start prosody again.
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41 Examples
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42 ========
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43
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44 ``` sh
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45 prosodyctl mod_migrate example.com accounts,roster,private,vcard sql
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46 ```
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47
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48 Compatibility
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49 =============
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50
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51 Should work with 0.8 and later.