Mercurial > prosody-modules
annotate mod_aws_profile/mod_aws_profile.lua @ 4730:1da4b815d2fe
mod_cloud_notify: Identify (and immediately push) urgent stanzas, e.g. calls
This covers the following things:
- A session that appears online, but has a broken TCP connection
- Clients such as Siskin and Snikket iOS that require a push for calls to work
It allows the stanza to be pushed immediately instead of waiting for the
session to hibernate or an ack to timeout.
It shouldn't break any existing cases.
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 27 Oct 2021 19:12:03 +0100 |
parents | 1d719d4ef18f |
children | 616c0459aca7 |
rev | line source |
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mod_aws_profile: New module for role-based access to AWS APIs
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1 local http = require "net.http"; |
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2 local json = require "util.json"; |
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3 local parse_timestamp = require "util.datetime".parse; |
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4 |
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5 module:set_global(); |
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6 |
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7 local current_credentials = module:shared("/*/aws_profile/credentials"); |
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8 |
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9 local function get_role_credentials(role_name, cb) |
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10 http.request("http://169.254.169.254/latest/meta-data/iam/security-credentials/"..role_name, nil, function (credentials_json) |
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11 local credentials = credentials_json and json.decode(credentials_json); |
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12 if not credentials or not (credentials.AccessKeyId and credentials.SecretAccessKey) then |
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13 module:log("warn", "Failed to fetch credentials for %q", role_name); |
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14 cb(nil); |
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15 return; |
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16 end |
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17 local expiry = parse_timestamp(credentials.Expiration); |
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18 local ttl = os.difftime(expiry, os.time()); |
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19 cb({ |
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20 access_key = credentials.AccessKeyId; |
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21 secret_key = credentials.SecretAccessKey; |
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22 ttl = ttl; |
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23 expiry = expiry; |
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24 }); |
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25 end); |
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26 end |
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27 |
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28 local function get_credentials(cb) |
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29 http.request("http://169.254.169.254/latest/meta-data/iam/security-credentials", nil, function (role_name) |
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30 role_name = role_name and role_name:match("%S+"); |
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31 if not role_name then |
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32 module:log("warn", "Unable to discover role name"); |
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33 cb(nil); |
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34 return; |
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35 end |
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36 get_role_credentials(role_name, cb); |
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37 end); |
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38 end |
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39 |
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40 function refresh_credentials(force) |
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41 if not force and current_credentials.expiry and current_credentials.expiry - os.time() > 300 then |
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42 return; |
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43 end |
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44 get_credentials(function (credentials) |
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45 if not credentials then |
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46 module:log("warn", "Failed to refresh credentials!"); |
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47 return; |
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48 end |
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49 current_credentials.access_key = credentials.access_key; |
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50 current_credentials.secret_key = credentials.secret_key; |
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51 current_credentials.expiry = credentials.expiry; |
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52 module:timer(credentials.ttl or 240, refresh_credentials); |
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53 module:fire_event("aws_profile/credentials-refreshed", current_credentials); |
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54 end); |
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55 end |
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56 |
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57 function module.load() |
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58 refresh_credentials(true); |
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59 end |