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mod_migrate: Check that the hostname is known, or yell and abort (thanks Link Mauve)
author Kim Alvefur <zash@zash.se>
date Sun, 27 Mar 2016 20:09:29 +0200
parents 891a5e925ae5
children 13f8ad3293c4
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1 ---
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2 labels:
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3 - 'Stage-Beta'
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4 summary: Implementation of the Munin node protocol
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5 ...
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7 Summary
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8 =======
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9
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10 This module implements the Munin reporting protocol, allowing you to
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11 collect statistics directly from Prosody into Munin.
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12
2009
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13 Configuration
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14 =============
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15
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16 There is only one recommended option, `munin_node_name`, which specifies
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17 the name that Prosody will identify itself by to the Munin server. You
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18 may want to set this to the same hostname as in the [SRV record][doc:dns]
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19 for the machine.
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21 ```lua
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22 modules_enabled = {
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23 -- your other modules
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24 "munin",
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25 }
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27 munin_node_name = "xmpp.example.com"
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28 ```
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31 ## Summary
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32
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33 All these must be in [the global section][doc:configure#overview].
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34
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35 Option Type Default
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36 ----------------------- -------- ---------------------------
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37 munin\_node\_name string `"localhost"`
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38 munin\_ignored\_stats set `{ }`
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39 munin\_ports set `{ 4949 }`
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40 munin\_interfaces set `{ "0.0.0.0", "::" }`[^1]
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41
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42 [^1]: Varies depending on availability of IPv4 and IPv6
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43
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44 ## Ports and interfaces
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47 `mod_munin` listens on port `4949` on all local interfaces by default.
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48 This can be changed with the standard [port and network configuration][doc:ports]:
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49
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50
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51 ``` lua
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52 -- defaults:
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53 munin_ports = { 4949 }
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54 munin_interfaces = { "::", "0.0.0.0" }
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55 ```
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56
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57 If you already have a `munin-node` instance running, you can set a
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58 different port to avoid the conflict.
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59
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60 ## Configuring Munin
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61
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62 Simply add `munin_node_name` surrounded by brackets to `/etc/munin/munin.conf`:
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63
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64 ``` ini
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65 [xmpp.example.com]
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66 address = xmpp.example.com
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67 port = 4949
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68 ```
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69
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70 You can leave out `address` if it equal to the name in brackets, and
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71 leave out the `port` if it is the default (`4949`).
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72
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73 Setting `address` to an IP address may sometimes be useful as the Munin
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74 collection server is not delayed by DNS lookups in case of network
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75 issues.
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76
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77 If you set a different port, or if the hostname to connect to is
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78 different from this hostname, make sure to add `port` and/or `address`
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79 options.
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80
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81 See [Munin documentation][muninconf] for more information.
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82
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83 Compatibility
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84 =============
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85
2010
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86 **Requires** Prosody 0.10 or above
2009
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87
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88 [muninconf]: http://guide.munin-monitoring.org/en/stable-2.0/reference/munin.conf.html