Route table check tool¶
The route table check tool checks whether the route parameters returned by a router match what is expected. The tool can also be used to check whether a path redirect, path rewrite, or host rewrite match what is expected.
The tool expects two input files:
- A v2 router config file (YAML or JSON). The router config file schema is found in config and the config file extension must reflect its file type (for instance, .json for JSON and .yaml for YAML).
- A tool config JSON file. The tool config JSON file schema is found in
The tool config input file specifies urls (composed of authorities and paths)
and expected route parameter values. Additional parameters such as additional headers are optional.
Schema: All internal schemas in the tool are based on proto3.
This is enabled by an extra optional parameter
--useproto. This parameter will become the default in the future releases and enables more validation features in the tool. Any new feature addition in validations will be added behind this parameter. Migration: If you are currently using the tool and plan to migrate to use
--useproto, change the yaml/json test’s schema based on the proto. Few known changes necessary are:
:authorityinput is now
:pathinput is now
:methodinput is now
method. This is a required property.
additional_headersin the input along with
testsis a root level field in the yaml/json.
The program exits with status EXIT_FAILURE if any test case does not match the expected route parameter value.
--detailsoption prints out details for each test. The first line indicates the test name.
If a test fails, details of the failed test cases are printed. The first field is the expected route parameter value. The second field is the actual route parameter value. The third field indicates the parameter that is compared. In the following example, Test_2 and Test_5 failed while the other tests passed. In the failed test cases, conflict details are printed.
Test_1 Test_2 default other virtual_host_name Test_3 Test_4 Test_5 locations ats cluster_name Test_6
Testing with valid runtime values is not currently supported, this may be added in future work.
The tool can be built locally using Bazel.
bazel build //test/tools/router_check:router_check_tool
The tool takes two input files and an optional command line parameter
--details. The expected order of command line arguments is: 1. The router configuration file. 2. The tool configuration json file. 3.
--useprototo use any new features in the tool. 4. The optional details flag.
bazel-bin/test/tools/router_check/router_check_tool router_config.(yaml|json) tool_config.json bazel-bin/test/tools/router_check/router_check_tool router_config.(yaml|json) tool_config.json --details bazel-bin/test/tools/router_check/router_check_tool router_config.(yaml|json) tool_config.json --details --useproto
A bash shell script test can be run with bazel. The test compares routes using different router and tool configuration files. The configuration files can be found in test/tools/router_check/test/config/… .
bazel test //test/tools/router_check/...