mirror of
https://github.com/tailscale/tailscale.git
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f01ff18b6f
Signed-off-by: nicksherron <nsherron90@gmail.com>
167 lines
3.7 KiB
Go
167 lines
3.7 KiB
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build linux
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// +build linux
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package aws
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import (
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"context"
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"testing"
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"github.com/aws/aws-sdk-go-v2/aws"
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"github.com/aws/aws-sdk-go-v2/aws/arn"
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"github.com/aws/aws-sdk-go-v2/service/ssm"
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ssmTypes "github.com/aws/aws-sdk-go-v2/service/ssm/types"
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"tailscale.com/ipn"
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"tailscale.com/tstest"
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)
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type mockedAWSSSMClient struct {
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value string
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}
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func (sp *mockedAWSSSMClient) GetParameter(_ context.Context, input *ssm.GetParameterInput, _ ...func(*ssm.Options)) (*ssm.GetParameterOutput, error) {
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output := new(ssm.GetParameterOutput)
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if sp.value == "" {
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return output, &ssmTypes.ParameterNotFound{}
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}
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output.Parameter = &ssmTypes.Parameter{
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Value: aws.String(sp.value),
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}
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return output, nil
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}
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func (sp *mockedAWSSSMClient) PutParameter(_ context.Context, input *ssm.PutParameterInput, _ ...func(*ssm.Options)) (*ssm.PutParameterOutput, error) {
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sp.value = *input.Value
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return new(ssm.PutParameterOutput), nil
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}
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func TestAWSStoreString(t *testing.T) {
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store := &awsStore{
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ssmARN: arn.ARN{
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Service: "ssm",
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Region: "eu-west-1",
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AccountID: "123456789",
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Resource: "parameter/foo",
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},
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}
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want := "awsStore(\"arn::ssm:eu-west-1:123456789:parameter/foo\")"
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if got := store.String(); got != want {
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t.Errorf("AWSStore.String = %q; want %q", got, want)
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}
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}
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func TestNewAWSStore(t *testing.T) {
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tstest.PanicOnLog()
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mc := &mockedAWSSSMClient{}
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storeParameterARN := arn.ARN{
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Service: "ssm",
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Region: "eu-west-1",
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AccountID: "123456789",
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Resource: "parameter/foo",
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}
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s, err := newStore(storeParameterARN.String(), mc)
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if err != nil {
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t.Fatalf("creating aws store failed: %v", err)
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}
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testStoreSemantics(t, s)
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// Build a brand new file store and check that both IDs written
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// above are still there.
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s2, err := newStore(storeParameterARN.String(), mc)
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if err != nil {
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t.Fatalf("creating second aws store failed: %v", err)
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}
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store2 := s.(*awsStore)
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// This is specific to the test, with the non-mocked API, LoadState() should
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// have been already called and successful as no err is returned from NewAWSStore()
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s2.(*awsStore).LoadState()
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expected := map[ipn.StateKey]string{
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"foo": "bar",
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"baz": "quux",
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}
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for id, want := range expected {
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bs, err := store2.ReadState(id)
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if err != nil {
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t.Errorf("reading %q (2nd store): %v", id, err)
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}
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if string(bs) != want {
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t.Errorf("reading %q (2nd store): got %q, want %q", id, string(bs), want)
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}
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}
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}
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func testStoreSemantics(t *testing.T, store ipn.StateStore) {
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t.Helper()
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tests := []struct {
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// if true, data is data to write. If false, data is expected
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// output of read.
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write bool
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id ipn.StateKey
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data string
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// If write=false, true if we expect a not-exist error.
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notExists bool
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}{
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{
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id: "foo",
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notExists: true,
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},
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{
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write: true,
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id: "foo",
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data: "bar",
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},
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{
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id: "foo",
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data: "bar",
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},
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{
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id: "baz",
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notExists: true,
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},
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{
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write: true,
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id: "baz",
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data: "quux",
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},
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{
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id: "foo",
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data: "bar",
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},
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{
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id: "baz",
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data: "quux",
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},
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}
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for _, test := range tests {
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if test.write {
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if err := store.WriteState(test.id, []byte(test.data)); err != nil {
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t.Errorf("writing %q to %q: %v", test.data, test.id, err)
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}
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} else {
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bs, err := store.ReadState(test.id)
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if err != nil {
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if test.notExists && err == ipn.ErrStateNotExist {
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continue
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}
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t.Errorf("reading %q: %v", test.id, err)
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continue
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}
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if string(bs) != test.data {
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t.Errorf("reading %q: got %q, want %q", test.id, string(bs), test.data)
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}
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}
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}
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}
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