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fix idempotency of policy and user creation (#9)
* fix idempotency of policy and user creation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| # To learn more about Custom Resources, see https://docs.chef.io/custom_resources.html | ||
| # | ||
| # Author:: Corey Hemminger | ||
| # Cookbook:: chef_software | ||
| # Resource:: iam_policy | ||
| # | ||
| # Copyright:: 2024, Corey Hemminger | ||
| # | ||
| # 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. | ||
| unified_mode true | ||
| provides :iam_policy | ||
|
|
||
| description 'manage IAM policies' | ||
|
|
||
| property :name, String, | ||
| name_property: true, | ||
| description: 'Name of the IAM policy' | ||
|
|
||
| property :policy_hash, Hash, | ||
| required: true, | ||
| description: 'Policy json in ruby hash format' | ||
|
|
||
| property :api_token, String, | ||
| required: true, | ||
| sensitive: true, | ||
| description: 'Automate API token' | ||
|
|
||
| action :create do | ||
| description 'Create a new IAM user' | ||
|
|
||
| name = new_resource.name | ||
| policy_hash = new_resource.policy_hash | ||
| policy_json = policy_hash.to_json | ||
| api_token = new_resource.api_token | ||
| # Try to fetch policy from server | ||
| srv_policy = get_iam_policy(policy_hash['id'], api_token) | ||
| # Test if policy on server exists and any errors contacting server | ||
| test_result = if srv_policy['error'].eql?("no policy with ID \"#{policy_hash['id']}\" found") | ||
| true | ||
| elsif srv_policy['error'] | ||
| raise srv_policy['error'].inspect | ||
| elsif srv_policy['policy']['id'].eql?(policy_hash['id']) | ||
| false | ||
| else | ||
| raise "Unable to determine status of policy ensure this policy_hash id doesn't match an existing srv_policy\npolicy_hash: #{policy_hash['id'].inspect}\nsrv_policy: #{srv_policy['id'].inspect}\nor the error message from server says \"no policy with ID \"#{policy_hash['id']}\" found\"\nError_msg: #{srv_policy['error'].inspect}\n" | ||
| end | ||
| execute "create iam policy #{name}" do | ||
| command "curl --insecure -s -H \"api-token: #{api_token}\" -H \"Content-Type: application/json\" -d '#{policy_json}' https://localhost/apis/iam/v2/policies" | ||
| only_if { test_result } | ||
| sensitive true | ||
| end | ||
| end | ||
|
|
||
| action :update do | ||
| name = new_resource.name | ||
| policy_hash = new_resource.policy_hash | ||
| policy_json = policy_hash.to_json | ||
| api_token = new_resource.api_token | ||
| # Try to fetch policy from server | ||
| srv_policy = get_iam_policy(policy_json['id'], api_token) | ||
| Chef::Log.info("\nuserpolicy: #{policy_json.inspect}\nsrv_policy: #{srv_policy.inspect}\n") | ||
| # Test policy from server and desired policy match key by key from desired policy | ||
| test_result = if srv_policy['error'] | ||
| raise srv_policy['error'].inspect | ||
| else | ||
| test = true | ||
| policy_hash.each_key do |key| | ||
| if key.eql?('statements') | ||
| policy_hash['statements'].each_index do |i| | ||
| policy_hash['statements'][i].each_key do |statement_key| | ||
| test = policy_hash['statements'][i][statement_key].eql?(srv_policy['policy']['statements'][i][statement_key]) | ||
| break if test.eql?(false) | ||
| end | ||
| break if test.eql?(false) | ||
| end | ||
| break if test.eql?(false) | ||
| next | ||
| end | ||
| break if test.eql?(false) | ||
| test = policy_hash[key].eql?(srv_policy['policy'][key]) | ||
| break if test.eql?(false) | ||
| end | ||
| test | ||
| end | ||
| execute "update iam policy #{name}" do | ||
| command "curl -X PUT --insecure -s -H \"api-token: #{api_token}\" -H \"Content-Type: application/json\" -d '#{policy_json}' https://localhost/apis/iam/v2/policies/#{policy_hash['id']}" | ||
| not_if { test_result } | ||
| sensitive true | ||
| end | ||
| end |
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