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flua REST API client for PDU
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Authored By
rmoeller
Wed, Oct 7, 1:43 PM
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2 KB
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flua REST API client for PDU
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#!/usr/libexec/flua
local fetch <const> = require('fetch')
local ucl <const> = require('ucl')
local function encode(s)
local function hex(char)
return string.format('%%%02X', string.byte(char))
end
s = string.gsub(s, '\n', '\r\n')
s = string.gsub(s, '([^%w %-%_%.%~])', hex)
s = string.gsub(s, ' ', '+')
return s
end
local function http_query_string(params)
local query_parts <const> = {}
for name, value in pairs(params) do
if value == true then
table.insert(query_parts, encode(name))
else
table.insert(query_parts, table.concat({
encode(name), encode(tostring(value))
}, '='))
end
end
return table.concat(query_parts, '&')
end
local function field(name, value)
return {name=name, value=value}
end
function PduApiClient:request(method, path, body, query)
local url = self.baseUrl .. path
if query ~= nil then
url = url .. '?' .. http_query_string(query)
end
local headers <const> = {field('Accept', 'application/json')}
local content
if body ~= nil then
table.insert(headers, field('Content-Type', 'application/json'))
content = ucl.to_json(body, true)
end
if self.token ~= nil then
table.insert(headers, field('authorization', 'bearer ' .. self.token))
end
local f <close> = assert(fetch.xrequest(url, method, self.flags, headers,
nil, nil, nil, content))
local parser <const> = ucl.parser()
parser:parse_string(f:read('*a'))
return parser:get_object()
end
function PduApiClient:login(username, password)
local response <const> = self:request('POST', '/sys/login', {
userLogin = {
usr = username,
pwd = password,
}
})
if response.errCode ~= 0 then
error('Login failed: ' .. ucl.to_json(response))
end
self.token = response.token
if self.token == nil or self.token == '' then
error('Login failed (invalid token): ' .. ucl.to_json(response))
end
return response
end
local client <const> = assert(PduApiClient{baseUrl='https://192.168.1.118/api'})
client:login('admin', io.read('*a'))
--print(ucl.to_json(client:request('GET', '/sys/top_banner')))
print(ucl.to_json(client:request('PUT', '/overview/outlet/enable', {
outletEnConfs = {
outlet_id = 6,
outlet_enable = true,
}
})))

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flua REST API client for PDU (2 KB)

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