author | Kim Alvefur <zash@zash.se> |
Wed, 13 Mar 2024 23:45:25 +0100 | |
changeset 5872 | bdcb61275afe |
parent 5706 | 616c0459aca7 |
permissions | -rw-r--r-- |
3702
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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1 |
local http = require "net.http"; |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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local json = require "util.json"; |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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3 |
local parse_timestamp = require "util.datetime".parse; |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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4 |
|
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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5 |
module:set_global(); |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
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|
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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local current_credentials = module:shared("/*/aws_profile/credentials"); |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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|
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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9 |
local function get_role_credentials(role_name, cb) |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
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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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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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11 |
local credentials = credentials_json and json.decode(credentials_json); |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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12 |
if not credentials or not (credentials.AccessKeyId and credentials.SecretAccessKey) then |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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module:log("warn", "Failed to fetch credentials for %q", role_name); |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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cb(nil); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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15 |
return; |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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16 |
end |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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17 |
local expiry = parse_timestamp(credentials.Expiration); |
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mod_aws_profile: New module for role-based access to AWS APIs
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local ttl = os.difftime(expiry, os.time()); |
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mod_aws_profile: New module for role-based access to AWS APIs
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parents:
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19 |
cb({ |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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20 |
access_key = credentials.AccessKeyId; |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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21 |
secret_key = credentials.SecretAccessKey; |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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ttl = ttl; |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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expiry = expiry; |
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mod_aws_profile: New module for role-based access to AWS APIs
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}); |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
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end); |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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end |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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|
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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28 |
local function get_credentials(cb) |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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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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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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30 |
role_name = role_name and role_name:match("%S+"); |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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31 |
if not role_name then |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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32 |
module:log("warn", "Unable to discover role name"); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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33 |
cb(nil); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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34 |
return; |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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35 |
end |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
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36 |
get_role_credentials(role_name, cb); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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37 |
end); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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38 |
end |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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|
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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40 |
function refresh_credentials(force) |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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41 |
if not force and current_credentials.expiry and current_credentials.expiry - os.time() > 300 then |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
42 |
return; |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
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43 |
end |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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44 |
get_credentials(function (credentials) |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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45 |
if not credentials then |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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46 |
module:log("warn", "Failed to refresh credentials!"); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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47 |
return; |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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48 |
end |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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49 |
current_credentials.access_key = credentials.access_key; |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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50 |
current_credentials.secret_key = credentials.secret_key; |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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51 |
current_credentials.expiry = credentials.expiry; |
5706
616c0459aca7
mod_aws_profile: Fix use of timer API
Kim Alvefur <zash@zash.se>
parents:
3702
diff
changeset
|
52 |
module:add_timer(credentials.ttl or 240, refresh_credentials); |
3702
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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53 |
module:fire_event("aws_profile/credentials-refreshed", current_credentials); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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54 |
end); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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55 |
end |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
diff
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|
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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57 |
function module.load() |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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58 |
refresh_credentials(true); |
1d719d4ef18f
mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
parents:
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59 |
end |