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feat(transport): Log DirectPath misconfiguration #2225

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merged 9 commits into from
Nov 6, 2023
Merged

feat(transport): Log DirectPath misconfiguration #2225

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8b5fa0a
feat(transport): Log DirectPath misconfiguration
mohanli-ml Oct 17, 2023
8ae04cc
feat(transport): Log DirectPath misconfiguration
mohanli-ml Oct 19, 2023
7436e43
Merge branch 'master' into dp-logs
mohanli-ml Oct 27, 2023
340abd0
feat(transport): Log DirectPath misconfiguration
mohanli-ml Oct 27, 2023
5fdd37b
Merge branch 'master' into dp-logs
mohanli-ml Nov 2, 2023
8208f7d
feat(transport): Log DirectPath misconfiguration
mohanli-ml Nov 2, 2023
e0fff1a
Merge branch 'master' into dp-logs
mohanli-ml Nov 3, 2023
2daa2ab
feat(transport): Log DirectPath misconfiguration
mohanli-ml Nov 3, 2023
389a077
Merge branch 'main' into dp-logs
noahdietz Nov 6, 2023
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19 changes: 19 additions & 0 deletions transport/grpc/dial.go
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Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,7 @@ func dial(ctx context.Context, insecure bool, o *internal.DialSettings) (*grpc.C
)

// Attempt Direct Path:
logDirectPathMisconfig(endpoint, creds.TokenSource, o)
if isDirectPathEnabled(endpoint, o) && isTokenSourceDirectPathCompatible(creds.TokenSource, o) && metadata.OnGCE() {
// Overwrite all of the previously specific DialOptions, DirectPath uses its own set of credentials and certificates.
grpcOpts = []grpc.DialOption{
Expand Down Expand Up @@ -296,6 +297,24 @@ func checkDirectPathEndPoint(endpoint string) bool {
return true
}

func logDirectPathMisconfig(endpoint string, ts oauth2.TokenSource, o *internal.DialSettings) {
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Please add tests for this function in case changes are made to this code there's expectation on what's expected for this code.

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Added. PTAL.

if isDirectPathXdsUsed(o) {
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// Case 1: does not enable DirectPath
if !isDirectPathEnabled(endpoint, o) {
log.Println("WARNING: DirectPath is misconfigured. Please set the EnableDirectPath option along with the EnableDirectPathXds option.")
} else {
// Case 2: credential is not correctly set
if !isTokenSourceDirectPathCompatible(ts, o) {
log.Println("WARNING: DirectPath is misconfigured. Please make sure the token source is fetched from GCE metadata server and the default service account is used.")
}
// Case 3: not running on GCE
if !metadata.OnGCE() {
log.Println("WARNING: DirectPath is misconfigured. DirectPath is only available in a GCE environment.")
}
}
}
}

func processAndValidateOpts(opts []option.ClientOption) (*internal.DialSettings, error) {
var o internal.DialSettings
for _, opt := range opts {
Expand Down