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482421dda3
- Specify fallback addresses - Defaults changed from cloudflare:443 to cloudflare:443,github.com:443 - Startup check runs a parallel dial to each of the addresses specified with a global 6s timeout - Full periodic check cycles through addresses as it fails and moves to retry
102 lines
2.2 KiB
Go
102 lines
2.2 KiB
Go
package healthcheck
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import (
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"context"
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"fmt"
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"net"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func Test_Checker_fullcheck(t *testing.T) {
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t.Parallel()
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t.Run("canceled real dialer", func(t *testing.T) {
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t.Parallel()
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dialer := &net.Dialer{}
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addresses := []string{"badaddress:9876", "cloudflare.com:443", "google.com:443"}
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checker := &Checker{
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dialer: dialer,
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tlsDialAddrs: addresses,
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}
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canceledCtx, cancel := context.WithCancel(context.Background())
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cancel()
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err := checker.fullPeriodicCheck(canceledCtx)
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require.Error(t, err)
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assert.EqualError(t, err, "TCP+TLS dial: context canceled")
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})
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t.Run("dial localhost:0", func(t *testing.T) {
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t.Parallel()
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const timeout = 100 * time.Millisecond
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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listenConfig := &net.ListenConfig{}
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listener, err := listenConfig.Listen(ctx, "tcp4", "localhost:0")
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require.NoError(t, err)
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t.Cleanup(func() {
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err = listener.Close()
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assert.NoError(t, err)
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})
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listeningAddress := listener.Addr()
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dialer := &net.Dialer{}
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checker := &Checker{
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dialer: dialer,
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tlsDialAddrs: []string{listeningAddress.String()},
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}
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err = checker.fullPeriodicCheck(ctx)
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assert.NoError(t, err)
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})
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}
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func Test_makeAddressToDial(t *testing.T) {
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t.Parallel()
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testCases := map[string]struct {
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address string
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addressToDial string
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err error
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}{
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"host without port": {
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address: "test.com",
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addressToDial: "test.com:443",
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},
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"host with port": {
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address: "test.com:80",
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addressToDial: "test.com:80",
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},
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"bad address": {
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address: "test.com::",
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err: fmt.Errorf("splitting host and port from address: address test.com::: too many colons in address"), //nolint:lll
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},
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}
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for name, testCase := range testCases {
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t.Run(name, func(t *testing.T) {
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t.Parallel()
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addressToDial, err := makeAddressToDial(testCase.address)
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assert.Equal(t, testCase.addressToDial, addressToDial)
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if testCase.err != nil {
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assert.EqualError(t, err, testCase.err.Error())
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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