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|
#
# Author:: Daniel DeLeo (<dan@getchef.com>)
# Copyright:: Copyright 2014 Chef Software, Inc.
# 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 'spec_helper'
require 'chef/policy_builder'
describe Chef::PolicyBuilder::Policyfile do
let(:node_name) { "joe_node" }
let(:ohai_data) { {"platform" => "ubuntu", "platform_version" => "13.04", "fqdn" => "joenode.example.com"} }
let(:json_attribs) { {"custom_attr" => "custom_attr_value"} }
let(:override_runlist) { nil }
let(:events) { Chef::EventDispatch::Dispatcher.new }
let(:policy_builder) { Chef::PolicyBuilder::Policyfile.new(node_name, ohai_data, json_attribs, override_runlist, events) }
# Convert a SHA1 (160 bit) hex string into an x.y.z version number where the
# maximum value is smaller than a postgres BIGINT (signed 64bit, so 63 usable
# bits). This requires enterprise Chef or open source server 11.1.0+ (currently not released)
#
# The SHA1 is devided as follows:
# * "major": first 14 chars (56 bits)
# * "minor": next 14 chars (56 bits)
# * "patch": last 12 chars (48 bits)
def id_to_dotted(sha1_id)
major = sha1_id[0...14]
minor = sha1_id[14...28]
patch = sha1_id[28..40]
decimal_integers =[major, minor, patch].map {|hex| hex.to_i(16) }
decimal_integers.join(".")
end
let(:example1_lock_data) do
# based on https://github.com/danielsdeleo/chef-workflow2-prototype/blob/master/skeletons/basic_policy/Policyfile.lock.json
{
"identifier" => "168d2102fb11c9617cd8a981166c8adc30a6e915",
"version" => "2.3.5",
# NOTE: for compatibility mode we include the dotted id in the policyfile to enhance discoverability.
"dotted_decimal_identifier" => id_to_dotted("168d2102fb11c9617cd8a981166c8adc30a6e915"),
"source" => { "path" => "./cookbooks/demo" },
"scm_identifier"=> {
"vcs"=> "git",
"rev_id"=> "9d5b09026470c322c3cb5ca8a4157c4d2f16cef3",
"remote"=> nil,
},
}
end
let(:example2_lock_data) do
{
"identifier" => "feab40e1fca77c7360ccca1481bb8ba5f919ce3a",
"version" => "4.2.0",
# NOTE: for compatibility mode we include the dotted id in the policyfile to enhance discoverability.
"dotted_decimal_identifier" => id_to_dotted("feab40e1fca77c7360ccca1481bb8ba5f919ce3a"),
"source" => { "api" => "https://community.getchef.com/api/v1/cookbooks/example2" },
}
end
let(:policyfile_default_attributes) { {"policyfile_default_attr" => "policyfile_default_value"} }
let(:policyfile_override_attributes) { {"policyfile_override_attr" => "policyfile_override_value"} }
let(:policyfile_run_list) { ["recipe[example1::default]", "recipe[example2::server]"] }
let(:basic_valid_policy_data) do
{
"name" => "example-policy",
"revision_id" => "123abc",
"run_list" => policyfile_run_list,
"cookbook_locks" => {
"example1" => example1_lock_data,
"example2" => example2_lock_data,
},
"default_attributes" => policyfile_default_attributes,
"override_attributes" => policyfile_override_attributes,
}
end
let(:parsed_policyfile_json) { basic_valid_policy_data }
let(:err_namespace) { Chef::PolicyBuilder::Policyfile }
it "configures a Chef HTTP API client" do
http = double("Chef::ServerAPI")
server_url = "https://api.opscode.com/organizations/example"
Chef::Config[:chef_server_url] = server_url
expect(Chef::ServerAPI).to receive(:new).with(server_url).and_return(http)
expect(policy_builder.http_api).to eq(http)
end
describe "reporting unsupported features" do
def initialize_pb
Chef::PolicyBuilder::Policyfile.new(node_name, ohai_data, json_attribs, override_runlist, events)
end
it "always gives `false` for #temporary_policy?" do
expect(initialize_pb.temporary_policy?).to be_falsey
end
context "chef-solo" do
before { Chef::Config[:solo] = true }
it "errors on create" do
expect { initialize_pb }.to raise_error(err_namespace::UnsupportedFeature)
end
end
context "when given an override run_list" do
let(:override_runlist) { "recipe[foo],recipe[bar]" }
it "errors on create" do
expect { initialize_pb }.to raise_error(err_namespace::UnsupportedFeature)
end
end
context "when json_attribs contains a run_list" do
let(:json_attribs) { {"run_list" => []} }
it "errors on create" do
expect { initialize_pb }.to raise_error(err_namespace::UnsupportedFeature)
end
end
context "when an environment is configured" do
before { Chef::Config[:environment] = "blurch" }
it "errors when an environment is configured" do
expect { initialize_pb }.to raise_error(err_namespace::UnsupportedFeature)
end
end
end
describe "loading policy data" do
let(:http_api) { double("Chef::ServerAPI") }
let(:configured_environment) { nil }
let(:override_runlist) { nil }
let(:primary_runlist) { nil }
let(:original_default_attrs) { {"default_key" => "default_value"} }
let(:original_override_attrs) { {"override_key" => "override_value"} }
let(:node) do
node = Chef::Node.new
node.name(node_name)
node.default_attrs = original_default_attrs
node.override_attrs = original_override_attrs
node.run_list(primary_runlist) if primary_runlist
node
end
before do
Chef::Config[:policy_document_native_api] = false
Chef::Config[:deployment_group] = "example-policy-stage"
allow(policy_builder).to receive(:http_api).and_return(http_api)
end
describe "when using compatibility mode (policy_document_native_api == false)" do
before do
Chef::Config[:deployment_group] = "example-policy-stage"
end
context "when the deployment group cannot be loaded" do
let(:error404) { Net::HTTPServerException.new("404 message", :body) }
before do
expect(http_api).to receive(:get).
with("data/policyfiles/example-policy-stage").
and_raise(error404)
end
it "raises an error" do
expect { policy_builder.finish_load_node(node) }.to raise_error(err_namespace::ConfigurationError)
end
end
context "when the deployment_group is not configured" do
before do
Chef::Config[:deployment_group] = nil
end
it "errors while loading the node" do
expect { policy_builder.finish_load_node(node) }.to raise_error(err_namespace::ConfigurationError)
end
end
context "when deployment_group is correctly configured" do
let(:policy_relative_url) { "data/policyfiles/example-policy-stage" }
before do
expect(http_api).to receive(:get).with(policy_relative_url).and_return(parsed_policyfile_json)
end
it "fetches the policy file from a data bag item" do
expect(policy_builder.policy).to eq(parsed_policyfile_json)
end
it "extracts the run_list from the policyfile" do
expect(policy_builder.run_list).to eq(policyfile_run_list)
end
end
end
context "and policy_document_native_api is configured" do
before do
Chef::Config[:policy_document_native_api] = true
Chef::Config[:policy_group] = "policy-stage"
Chef::Config[:policy_name] = "example"
end
context "and policy_name or policy_group are not configured" do
it "raises a Configuration error for policy_group" do
Chef::Config[:policy_group] = nil
expect { policy_builder.policy }.to raise_error(err_namespace::ConfigurationError)
end
it "raises a Configuration error for policy_name" do
Chef::Config[:policy_name] = nil
expect { policy_builder.policy }.to raise_error(err_namespace::ConfigurationError)
end
end
context "and policy_name and policy_group are configured" do
let(:policy_relative_url) { "policy_groups/policy-stage/policies/example" }
before do
expect(http_api).to receive(:get).with(policy_relative_url).and_return(parsed_policyfile_json)
end
it "fetches the policy file from a data bag item" do
expect(policy_builder.policy).to eq(parsed_policyfile_json)
end
it "extracts the run_list from the policyfile" do
expect(policy_builder.run_list).to eq(policyfile_run_list)
end
end
end
describe "building policy from the policyfile" do
before do
allow(policy_builder).to receive(:policy).and_return(parsed_policyfile_json)
end
it "fetches the policy file from a data bag item" do
expect(policy_builder.policy).to eq(parsed_policyfile_json)
end
it "extracts the run_list from the policyfile" do
expect(policy_builder.run_list).to eq(policyfile_run_list)
end
it "extracts the cookbooks and versions for display from the policyfile" do
expected = [
"example1::default@2.3.5 (168d210)",
"example2::server@4.2.0 (feab40e)",
]
expect(policy_builder.run_list_with_versions_for_display).to eq(expected)
end
it "generates a RunListExpansion-alike object for feeding to the CookbookCompiler" do
expect(policy_builder.run_list_expansion_ish).to respond_to(:recipes)
expect(policy_builder.run_list_expansion_ish.recipes).to eq(["example1::default", "example2::server"])
end
it "implements #expand_run_list in a manner compatible with ExpandNodeObject" do
policy_builder.finish_load_node(node)
expect(policy_builder.expand_run_list).to respond_to(:recipes)
expect(policy_builder.expand_run_list.recipes).to eq(["example1::default", "example2::server"])
expect(policy_builder.expand_run_list.roles).to eq([])
end
describe "validating the Policyfile.lock" do
it "errors if the policyfile json contains any non-recipe items" do
parsed_policyfile_json["run_list"] = ["role[foo]"]
expect { policy_builder.validate_policyfile }.to raise_error(err_namespace::PolicyfileError)
end
it "errors if the policyfile json contains non-fully qualified recipe items" do
parsed_policyfile_json["run_list"] = ["recipe[foo]"]
expect { policy_builder.validate_policyfile }.to raise_error(err_namespace::PolicyfileError)
end
it "errors if the policyfile doesn't have a run_list key" do
parsed_policyfile_json.delete("run_list")
expect { policy_builder.validate_policyfile }.to raise_error(err_namespace::PolicyfileError)
end
it "error if the policyfile doesn't have a cookbook_locks key" do
parsed_policyfile_json.delete("cookbook_locks")
expect { policy_builder.validate_policyfile }.to raise_error(err_namespace::PolicyfileError)
end
it "accepts a valid policyfile" do
policy_builder.validate_policyfile
end
end
describe "building the node object" do
let(:extra_chef_config) { {} }
before do
# must be set before #build_node is called to have the proper effect
extra_chef_config.each do |key, value|
Chef::Config[key] = value
end
policy_builder.finish_load_node(node)
policy_builder.build_node
end
# it sets policy_name and policy_group in the following priority order:
# -j JSON > config file > node object
describe "selecting policy_name and policy_group from the various sources" do
context "when only set in node JSON" do
let(:json_attribs) do
{
"policy_name" => "policy_name_from_node_json",
"policy_group" => "policy_group_from_node_json",
}
end
it "sets policy_name and policy_group on Chef::Config" do
expect(Chef::Config[:policy_name]).to eq("policy_name_from_node_json")
expect(Chef::Config[:policy_group]).to eq("policy_group_from_node_json")
end
it "sets policy_name and policy_group on the node object" do
expect(node.policy_name).to eq("policy_name_from_node_json")
expect(node.policy_group).to eq("policy_group_from_node_json")
end
end
context "when only set in Chef::Config" do
let(:extra_chef_config) do
{
policy_name: "policy_name_from_config",
policy_group: "policy_group_from_config",
}
end
it "sets policy_name and policy_group on the node object" do
expect(node.policy_name).to eq("policy_name_from_config")
expect(node.policy_group).to eq("policy_group_from_config")
end
end
context "when only set on the node" do
let(:node) do
node = Chef::Node.new
node.name(node_name)
node.policy_name = "policy_name_from_node"
node.policy_group = "policy_group_from_node"
node
end
it "sets policy_name and policy_group on Chef::Config" do
expect(Chef::Config[:policy_name]).to eq("policy_name_from_node")
expect(Chef::Config[:policy_group]).to eq("policy_group_from_node")
end
end
context "when set in Chef::Config and the fetched node" do
let(:node) do
node = Chef::Node.new
node.name(node_name)
node.policy_name = "policy_name_from_node"
node.policy_group = "policy_group_from_node"
node
end
let(:extra_chef_config) do
{
policy_name: "policy_name_from_config",
policy_group: "policy_group_from_config",
}
end
it "prefers the policy_name and policy_group from Chef::Config" do
expect(node.policy_name).to eq("policy_name_from_config")
expect(node.policy_group).to eq("policy_group_from_config")
end
end
context "when set in node json and the fetched node" do
let(:json_attribs) do
{
"policy_name" => "policy_name_from_node_json",
"policy_group" => "policy_group_from_node_json",
}
end
let(:node) do
node = Chef::Node.new
node.name(node_name)
node.policy_name = "policy_name_from_node"
node.policy_group = "policy_group_from_node"
node
end
it "prefers the policy_name and policy_group from the node json" do
expect(policy_builder.policy_name).to eq("policy_name_from_node_json")
expect(policy_builder.policy_group).to eq("policy_group_from_node_json")
expect(Chef::Config[:policy_name]).to eq("policy_name_from_node_json")
expect(Chef::Config[:policy_group]).to eq("policy_group_from_node_json")
expect(node.policy_name).to eq("policy_name_from_node_json")
expect(node.policy_group).to eq("policy_group_from_node_json")
end
end
context "when set in all sources" do
let(:json_attribs) do
{
"policy_name" => "policy_name_from_node_json",
"policy_group" => "policy_group_from_node_json",
}
end
let(:node) do
node = Chef::Node.new
node.name(node_name)
node.policy_name = "policy_name_from_node"
node.policy_group = "policy_group_from_node"
node
end
let(:extra_chef_config) do
{
policy_name: "policy_name_from_config",
policy_group: "policy_group_from_config",
}
end
it "prefers the policy_name and group from node json" do
expect(policy_builder.policy_name).to eq("policy_name_from_node_json")
expect(policy_builder.policy_group).to eq("policy_group_from_node_json")
expect(Chef::Config[:policy_name]).to eq("policy_name_from_node_json")
expect(Chef::Config[:policy_group]).to eq("policy_group_from_node_json")
expect(node.policy_name).to eq("policy_name_from_node_json")
expect(node.policy_group).to eq("policy_group_from_node_json")
end
end
end
it "resets default and override data" do
expect(node["default_key"]).to be_nil
expect(node["override_key"]).to be_nil
end
describe "setting attribute values" do
before do
policy_builder.build_node
end
it "resets default and override data" do
expect(node["default_key"]).to be_nil
expect(node["override_key"]).to be_nil
end
it "applies ohai data" do
expect(ohai_data).to_not be_empty # ensure test is testing something
ohai_data.each do |key, value|
expect(node.automatic_attrs[key]).to eq(value)
end
end
it "applies attributes from json file" do
expect(node["custom_attr"]).to eq("custom_attr_value")
end
it "applies attributes from the policyfile" do
expect(node["policyfile_default_attr"]).to eq("policyfile_default_value")
expect(node["policyfile_override_attr"]).to eq("policyfile_override_value")
end
it "sets the policyfile's run_list on the node object" do
expect(node.run_list).to eq(policyfile_run_list)
end
it "creates node.automatic_attrs[:roles]" do
expect(node.automatic_attrs[:roles]).to eq([])
end
it "create node.automatic_attrs[:recipes]" do
expect(node.automatic_attrs[:recipes]).to eq(["example1::default", "example2::server"])
end
end
context "when a named run_list is given" do
before do
Chef::Config[:named_run_list] = "deploy-app"
end
context "and the named run_list is not present in the policy" do
it "raises a ConfigurationError" do
err_class = Chef::PolicyBuilder::Policyfile::ConfigurationError
err_text = "Policy 'example-policy' revision '123abc' does not have named_run_list 'deploy-app'(available named_run_lists: [])"
expect { policy_builder.build_node }.to raise_error(err_class, err_text)
end
end
context "and the named run_list is present in the policy" do
let(:parsed_policyfile_json) do
basic_valid_policy_data.dup.tap do |p|
p["named_run_lists"] = {
"deploy-app" => [ "recipe[example1::default]" ]
}
end
end
before do
policy_builder.build_node
end
it "sets the run list to the desired named run list" do
expect(policy_builder.run_list).to eq([ "recipe[example1::default]" ])
expected_expansion = Chef::PolicyBuilder::Policyfile::RunListExpansionIsh.new([ "example1::default" ], [])
expect(policy_builder.run_list_expansion).to eq(expected_expansion)
expect(policy_builder.run_list_with_versions_for_display).to eq(["example1::default@2.3.5 (168d210)"])
expect(node.run_list).to eq([ Chef::RunList::RunListItem.new("recipe[example1::default]") ])
expect(node[:roles]).to eq( [] )
expect(node[:recipes]).to eq( ["example1::default"] )
end
it "disables the cookbook cache cleaner" do
expect(Chef::CookbookCacheCleaner.instance.skip_removal).to be(true)
end
end
end
end
describe "fetching the desired cookbook set" do
let(:example1_cookbook_data) { double("CookbookVersion Hash for example1 cookbook") }
let(:example2_cookbook_data) { double("CookbookVersion Hash for example2 cookbook") }
let(:example1_cookbook_object) { double("Chef::CookbookVersion for example1 cookbook", version: "0.1.2") }
let(:example2_cookbook_object) { double("Chef::CookbookVersion for example2 cookbook", version: "1.2.3") }
let(:expected_cookbook_hash) do
{ "example1" => example1_cookbook_object, "example2" => example2_cookbook_object }
end
let(:example1_xyz_version) { example1_lock_data["dotted_decimal_identifier"] }
let(:example2_xyz_version) { example2_lock_data["dotted_decimal_identifier"] }
let(:example1_identifier) { example1_lock_data["identifier"] }
let(:example2_identifier) { example2_lock_data["identifier"] }
let(:cookbook_synchronizer) { double("Chef::CookbookSynchronizer") }
shared_examples "fetching cookbooks when they don't exist" do
context "and a cookbook is missing" do
let(:error404) { Net::HTTPServerException.new("404 message", :body) }
before do
policy_builder.finish_load_node(node)
policy_builder.build_node
expect(http_api).to receive(:get).with(cookbook1_url).
and_raise(error404)
end
it "raises an error indicating which cookbook is missing" do
expect { policy_builder.cookbooks_to_sync }.to raise_error(Chef::Exceptions::CookbookNotFound)
end
end
end
shared_examples_for "fetching cookbooks when they exist" do
context "and the cookbooks can be fetched" do
before do
Chef.reset!
policy_builder.finish_load_node(node)
policy_builder.build_node
allow(Chef::CookbookSynchronizer).to receive(:new).
with(expected_cookbook_hash, events).
and_return(cookbook_synchronizer)
end
after do
Chef.reset!
end
it "builds a Hash of the form 'cookbook_name' => Chef::CookbookVersion" do
expect(policy_builder.cookbooks_to_sync).to eq(expected_cookbook_hash)
end
it "syncs the desired cookbooks via CookbookSynchronizer" do
expect(cookbook_synchronizer).to receive(:sync_cookbooks)
policy_builder.sync_cookbooks
end
it "builds a run context" do
expect(cookbook_synchronizer).to receive(:sync_cookbooks)
expect_any_instance_of(Chef::RunContext).to receive(:load).with(policy_builder.run_list_expansion_ish)
expect_any_instance_of(Chef::CookbookCollection).to receive(:validate!)
run_context = policy_builder.setup_run_context
expect(run_context.node).to eq(node)
expect(run_context.cookbook_collection.keys).to match_array(["example1", "example2"])
end
it "makes the run context available via static method on Chef" do
expect(cookbook_synchronizer).to receive(:sync_cookbooks)
expect_any_instance_of(Chef::RunContext).to receive(:load).with(policy_builder.run_list_expansion_ish)
expect_any_instance_of(Chef::CookbookCollection).to receive(:validate!)
run_context = policy_builder.setup_run_context
expect(Chef.run_context).to eq(run_context)
end
end
end # shared_examples_for "fetching cookbooks"
context "when using compatibility mode (policy_document_native_api == false)" do
let(:cookbook1_url) { "cookbooks/example1/#{example1_xyz_version}" }
let(:cookbook2_url) { "cookbooks/example2/#{example2_xyz_version}" }
context "when the cookbooks don't exist on the server" do
include_examples "fetching cookbooks when they don't exist"
end
context "when the cookbooks exist on the server" do
before do
expect(http_api).to receive(:get).with(cookbook1_url).
and_return(example1_cookbook_object)
expect(http_api).to receive(:get).with(cookbook2_url).
and_return(example2_cookbook_object)
end
include_examples "fetching cookbooks when they exist"
end
end
context "when using native API mode (policy_document_native_api == true)" do
before do
Chef::Config[:policy_document_native_api] = true
Chef::Config[:policy_group] = "policy-stage"
Chef::Config[:policy_name] = "example"
end
let(:cookbook1_url) { "cookbook_artifacts/example1/#{example1_identifier}" }
let(:cookbook2_url) { "cookbook_artifacts/example2/#{example2_identifier}" }
context "when the cookbooks don't exist on the server" do
include_examples "fetching cookbooks when they don't exist"
end
context "when the cookbooks exist on the server" do
before do
expect(http_api).to receive(:get).with(cookbook1_url).
and_return(example1_cookbook_data)
expect(http_api).to receive(:get).with(cookbook2_url).
and_return(example2_cookbook_data)
expect(Chef::CookbookVersion).to receive(:from_cb_artifact_data).with(example1_cookbook_data).
and_return(example1_cookbook_object)
expect(Chef::CookbookVersion).to receive(:from_cb_artifact_data).with(example2_cookbook_data).
and_return(example2_cookbook_object)
end
include_examples "fetching cookbooks when they exist"
end
end
end
end
end
end
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