blob: b04243a3135e58a089783c5051f6192884b2dfd9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
# frozen_string_literal: true
#
# Author:: Renato Covarrubias (<rnt@rnt.cl>)
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require "net/http" unless defined?(Net::HTTP)
module Ohai
module Mixin
module OCIMetadata
OCI_METADATA_ADDR = "169.254.169.254"
OCI_METADATA_URL = "/opc/v2"
CHASSIS_ASSET_TAG_FILE = "/sys/devices/virtual/dmi/id/chassis_asset_tag"
# fetch the meta content with a timeout and the required header
def http_get(uri)
conn = Net::HTTP.start(OCI_METADATA_ADDR)
conn.read_timeout = 6
conn.get(
uri,
{
"Authorization" => "Bearer Oracle",
"User-Agent" => "chef-ohai/#{Ohai::VERSION}",
}
)
end
# parse JSON data from a String to a Hash
#
# @param [String] response_body json as string to parse
#
# @return [Hash]
def parse_json(response_body)
data = String(response_body)
parser = FFI_Yajl::Parser.new
parser.parse(data)
rescue FFI_Yajl::ParseError
logger.warn("Mixin OciMetadata: Metadata response is NOT valid JSON")
nil
end
# Fetch metadata from api
def fetch_metadata(metadata = "instance")
response = http_get("#{OCI_METADATA_URL}/#{metadata}")
return nil unless response.code == "200"
if response.code == "200"
parse_json(response.body)
else
logger.warn("Mixin OciMetadata: Received response code #{response.code} requesting metadata")
nil
end
end
end
end
end
|
