Support Amazon Linux (#182)

* Support Amazon Linux

* amazon: Add tests for Scanner Detect functionality

* amazon: Add more test cases for unhappy paths.

This commit also asserts the logged output via observer.

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon: Add a test case for invalid fixed pkg version

Signed-off-by: Simarpreet Singh <simar@linux.com>

* mod: go mod tidy

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon: Inject dependency seams for exposed db interface and logger.

This commit also exposes an interface for doing db operations.

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon: Use injected logger for scanner.

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon_test: Add a sample testdata dir

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon: Add tests for for Get() for amazon vulns.

Signed-off-by: Simarpreet Singh <simar@linux.com>

* vulnsrc_test: Fix invocation call to SetVersion()

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon_test: Add a test for severirtyFromPriority

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon_test: Add tests for constructVersion()

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon: Refactor walkFunc outside for testability purposes

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon: Refactor walkFn and add tests for it.

Signed-off-by: Simarpreet Singh <simar@linux.com>

* amazon: Refactor commitFunc closure and add tests

This commit also introduces an interface for the
vulnerability package to be used as a seam.

Signed-off-by: Simarpreet Singh <simar@linux.com>

* Revert "amazon: Use injected logger for scanner."

This reverts commit 5a81e4d824a95f4de4aae2e2b903eedd0f7e241f.

* test(amazon): fix failed tests

* fix(vulnerability): trim references

* test(amazon): add integration test

pkg/utils/progress.go

@@ -37,6 +37,7 @@ func (s *Spinner) Stop() {
 	s.client.Stop()
 }
 
+// TODO: Expose an interface for progressbar
 type ProgressBar struct {
 	client *pb.ProgressBar
 }