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feat(secrets): improve error messages for secrets management#47831

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gouri-yerra wants to merge 2 commits intomainfrom
feat/meaningful-secrets-error-messages
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feat(secrets): improve error messages for secrets management#47831
gouri-yerra wants to merge 2 commits intomainfrom
feat/meaningful-secrets-error-messages

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What does this PR do?

Improves error messages for secrets management so they are clearer and more actionable. Changes include:

  • Version mismatch: When the script expects payload version 1.0, the error now states that the Agent sends 1.1 and links to the docs.
  • Timeout: The error now mentions secret_backend_timeout and how to increase it.
  • Permissions: When the script fails with a permission error, the message includes platform-specific guidance (e.g. chmod 700 on Linux).
  • Both command + type set: The warning now explains that secret_backend_command takes precedence and how to switch to the native backend.
  • Unmarshal error: The error now shows the expected JSON format.
  • Empty secret: The message now mentions checking the backend and secret_backend_remove_trailing_line_break.
  • Secret not resolved: The message now includes a hint about the expected JSON format.

All secrets-related errors now include a link to the secrets management docs.

Motivation

Customers often see unclear secrets errors, especially around v0→v1 migration, which leads to more support tickets. Clearer, actionable messages should help users self-serve and reduce support load.

Describe how you validated your changes

Updated unit tests in comp/core/secrets/impl/fetch_secret_test.go to match the new messages.
Ran dda inv test --targets=./comp/core/secrets/impl — all 87 tests passed.
Testing doc
Manually tested with a local script:

  • Version mismatch → script expects 1.0, Agent sends 1.1
  • Timeout → mentions secret_backend_timeout
  • Both command + type set → warning with migration guidance
  • Empty secret → mentions backend and secret_backend_remove_trailing_line_break
  • Invalid JSON → shows expected format
  • Missing handle → hint about JSON format

Additional Notes

- Add actionable messages for timeout, permission, version mismatch
- Include docs link in all secrets-related errors
- Improve both command+type set warning with migration guidance
- Update unmarshal, empty secret, and unresolved handle messages
@gouri-yerra gouri-yerra self-assigned this Mar 13, 2026
@gouri-yerra gouri-yerra requested a review from a team as a code owner March 13, 2026 20:39
@gouri-yerra gouri-yerra requested a review from hush-hush March 13, 2026 20:39
@gouri-yerra gouri-yerra added the qa/done QA done before merge and regressions are covered by tests label Mar 13, 2026
@github-actions github-actions bot added the short review PR is simple enough to be reviewed quickly label Mar 13, 2026
@dd-octo-sts dd-octo-sts bot added internal Identify a non-fork PR team/agent-configuration labels Mar 13, 2026
@gouri-yerra gouri-yerra added the changelog/no-changelog No changelog entry needed label Mar 13, 2026
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}
errStr := err.Error()
stderrStr := stderr.buf.String()
if strings.Contains(strings.ToLower(errStr), "permission denied") || strings.Contains(strings.ToLower(errStr), "permission") {

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P2 Badge Restrict permission branch to real permission-denied errors

This condition matches any cmd.Run() error containing the substring permission, which can come from the command path itself (for example, fork/exec /opt/permission-helper: no such file or directory). In that case we now rewrite unrelated failures as permission denied, hiding the true cause and steering users to the wrong fix. Please match only concrete permission-denied patterns (e.g., permission denied/operation not permitted) instead of the broad permission substring.

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Match only permission denied, operation not permitted, and access is denied
instead of any error containing permission, to avoid false positives.
@github-actions github-actions bot added medium review PR review might take time and removed short review PR is simple enough to be reviewed quickly labels Mar 13, 2026
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Files inventory check summary

File checks results against ancestor 4fed36d1:

Results for datadog-agent_7.78.0~devel.git.590.3ea3be7.pipeline.102477218-1_amd64.deb:

No change detected

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Static quality checks

✅ Please find below the results from static quality gates
Comparison made with ancestor b9ff244
📊 Static Quality Gates Dashboard
🔗 SQG Job

Successful checks

Info

Quality gate Change Size (prev → curr → max)
agent_deb_amd64 +16.0 KiB (0.00% increase) 746.938 → 746.954 → 750.720
agent_deb_amd64_fips +8.0 KiB (0.00% increase) 705.304 → 705.312 → 711.230
agent_rpm_amd64 +16.0 KiB (0.00% increase) 746.922 → 746.938 → 750.690
agent_rpm_amd64_fips +8.0 KiB (0.00% increase) 705.288 → 705.295 → 711.210
agent_rpm_arm64 +12.0 KiB (0.00% increase) 724.842 → 724.854 → 732.890
agent_rpm_arm64_fips +16.0 KiB (0.00% increase) 686.154 → 686.169 → 694.440
agent_suse_amd64 +16.0 KiB (0.00% increase) 746.922 → 746.938 → 750.690
agent_suse_amd64_fips +8.0 KiB (0.00% increase) 705.288 → 705.295 → 711.210
agent_suse_arm64 +12.0 KiB (0.00% increase) 724.842 → 724.854 → 732.890
agent_suse_arm64_fips +16.0 KiB (0.00% increase) 686.154 → 686.169 → 694.440
docker_agent_amd64 +15.99 KiB (0.00% increase) 807.275 → 807.290 → 813.040
docker_agent_arm64 +12.0 KiB (0.00% increase) 809.996 → 810.007 → 819.570
docker_agent_jmx_amd64 +16.0 KiB (0.00% increase) 998.190 → 998.206 → 1003.920
docker_agent_jmx_arm64 +12.0 KiB (0.00% increase) 989.690 → 989.702 → 999.170
docker_cluster_agent_amd64 +4.01 KiB (0.00% increase) 203.662 → 203.666 → 206.270
docker_dogstatsd_amd64 +8.0 KiB (0.02% increase) 38.619 → 38.627 → 39.380
iot_agent_deb_armhf +4.0 KiB (0.01% increase) 40.843 → 40.847 → 41.030
13 successful checks with minimal change (< 2 KiB)
Quality gate Current Size
agent_heroku_amd64 311.743 MiB
docker_cluster_agent_arm64 218.164 MiB
docker_cws_instrumentation_amd64 7.142 MiB
docker_cws_instrumentation_arm64 6.689 MiB
docker_dogstatsd_arm64 36.939 MiB
dogstatsd_deb_amd64 29.847 MiB
dogstatsd_deb_arm64 28.000 MiB
dogstatsd_rpm_amd64 29.847 MiB
dogstatsd_suse_amd64 29.847 MiB
iot_agent_deb_amd64 43.048 MiB
iot_agent_deb_arm64 40.111 MiB
iot_agent_rpm_amd64 43.049 MiB
iot_agent_suse_amd64 43.049 MiB
On-wire sizes (compressed)
Quality gate Change Size (prev → curr → max)
agent_deb_amd64 +64.42 KiB (0.04% increase) 174.449 → 174.512 → 177.700
agent_deb_amd64_fips +31.83 KiB (0.02% increase) 165.336 → 165.367 → 172.230
agent_heroku_amd64 neutral 75.171 MiB → 79.970
agent_rpm_amd64 neutral 176.424 MiB → 180.780
agent_rpm_amd64_fips -35.58 KiB (0.02% reduction) 168.093 → 168.059 → 173.370
agent_rpm_arm64 +15.41 KiB (0.01% increase) 159.333 → 159.348 → 161.610
agent_rpm_arm64_fips +35.46 KiB (0.02% increase) 151.360 → 151.394 → 155.910
agent_suse_amd64 neutral 176.424 MiB → 180.780
agent_suse_amd64_fips -35.58 KiB (0.02% reduction) 168.093 → 168.059 → 173.370
agent_suse_arm64 +15.41 KiB (0.01% increase) 159.333 → 159.348 → 161.610
agent_suse_arm64_fips +35.46 KiB (0.02% increase) 151.360 → 151.394 → 155.910
docker_agent_amd64 +14.55 KiB (0.01% increase) 267.109 → 267.123 → 271.240
docker_agent_arm64 +8.81 KiB (0.00% increase) 254.420 → 254.429 → 259.800
docker_agent_jmx_amd64 neutral 335.766 MiB → 339.870
docker_agent_jmx_arm64 +12.16 KiB (0.00% increase) 319.056 → 319.068 → 324.390
docker_cluster_agent_amd64 neutral 71.277 MiB → 72.920
docker_cluster_agent_arm64 +3.47 KiB (0.01% increase) 66.918 → 66.921 → 68.220
docker_cws_instrumentation_amd64 neutral 2.999 MiB → 3.330
docker_cws_instrumentation_arm64 neutral 2.729 MiB → 3.090
docker_dogstatsd_amd64 neutral 14.945 MiB → 15.820
docker_dogstatsd_arm64 +11.75 KiB (0.08% increase) 14.274 → 14.285 → 14.830
dogstatsd_deb_amd64 neutral 7.884 MiB → 8.790
dogstatsd_deb_arm64 +2.2 KiB (0.03% increase) 6.770 → 6.772 → 7.710
dogstatsd_rpm_amd64 neutral 7.897 MiB → 8.800
dogstatsd_suse_amd64 neutral 7.897 MiB → 8.800
iot_agent_deb_amd64 neutral 11.348 MiB → 12.040
iot_agent_deb_arm64 +2.44 KiB (0.02% increase) 9.659 → 9.662 → 10.450
iot_agent_deb_armhf +2.12 KiB (0.02% increase) 9.890 → 9.892 → 10.620
iot_agent_rpm_amd64 neutral 11.368 MiB → 12.060
iot_agent_suse_amd64 neutral 11.368 MiB → 12.060

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Regression Detector

Regression Detector Results

Metrics dashboard
Target profiles
Run ID: bc91cdf2-b63f-44e1-bd3b-b08c6a15618e

Baseline: b9ff244
Comparison: 3ea3be7
Diff

Optimization Goals: ✅ No significant changes detected

Experiments ignored for regressions

Regressions in experiments with settings containing erratic: true are ignored.

perf experiment goal Δ mean % Δ mean % CI trials links
docker_containers_cpu % cpu utilization -1.41 [-4.42, +1.60] 1 Logs

Fine details of change detection per experiment

perf experiment goal Δ mean % Δ mean % CI trials links
file_tree memory utilization +0.61 [+0.56, +0.67] 1 Logs
otlp_ingest_metrics memory utilization +0.60 [+0.44, +0.75] 1 Logs
ddot_metrics_sum_cumulative memory utilization +0.31 [+0.17, +0.45] 1 Logs
ddot_metrics memory utilization +0.26 [+0.09, +0.44] 1 Logs
ddot_metrics_sum_cumulativetodelta_exporter memory utilization +0.26 [+0.04, +0.48] 1 Logs
uds_dogstatsd_20mb_12k_contexts_20_senders memory utilization +0.11 [+0.05, +0.16] 1 Logs
ddot_logs memory utilization +0.07 [-0.00, +0.14] 1 Logs
uds_dogstatsd_to_api_v3 ingress throughput +0.02 [-0.16, +0.19] 1 Logs
tcp_dd_logs_filter_exclude ingress throughput +0.01 [-0.09, +0.11] 1 Logs
file_to_blackhole_500ms_latency egress throughput +0.01 [-0.38, +0.40] 1 Logs
file_to_blackhole_0ms_latency egress throughput -0.01 [-0.50, +0.48] 1 Logs
file_to_blackhole_100ms_latency egress throughput -0.02 [-0.10, +0.06] 1 Logs
uds_dogstatsd_to_api ingress throughput -0.02 [-0.22, +0.18] 1 Logs
file_to_blackhole_1000ms_latency egress throughput -0.03 [-0.46, +0.40] 1 Logs
ddot_metrics_sum_delta memory utilization -0.04 [-0.22, +0.13] 1 Logs
quality_gate_metrics_logs memory utilization -0.05 [-0.29, +0.18] 1 Logs bounds checks dashboard
quality_gate_idle memory utilization -0.08 [-0.13, -0.02] 1 Logs bounds checks dashboard
quality_gate_idle_all_features memory utilization -0.21 [-0.24, -0.17] 1 Logs bounds checks dashboard
otlp_ingest_logs memory utilization -0.32 [-0.42, -0.22] 1 Logs
docker_containers_memory memory utilization -0.34 [-0.41, -0.26] 1 Logs
quality_gate_logs % cpu utilization -1.29 [-2.87, +0.29] 1 Logs bounds checks dashboard
tcp_syslog_to_blackhole ingress throughput -1.29 [-1.41, -1.17] 1 Logs
docker_containers_cpu % cpu utilization -1.41 [-4.42, +1.60] 1 Logs

Bounds Checks: ✅ Passed

perf experiment bounds_check_name replicates_passed observed_value links
docker_containers_cpu simple_check_run 10/10 701 ≥ 26
docker_containers_memory memory_usage 10/10 272.44MiB ≤ 370MiB
docker_containers_memory simple_check_run 10/10 697 ≥ 26
file_to_blackhole_0ms_latency memory_usage 10/10 0.19GiB ≤ 1.20GiB
file_to_blackhole_0ms_latency missed_bytes 10/10 0B = 0B
file_to_blackhole_1000ms_latency memory_usage 10/10 0.24GiB ≤ 1.20GiB
file_to_blackhole_1000ms_latency missed_bytes 10/10 0B = 0B
file_to_blackhole_100ms_latency memory_usage 10/10 0.20GiB ≤ 1.20GiB
file_to_blackhole_100ms_latency missed_bytes 10/10 0B = 0B
file_to_blackhole_500ms_latency memory_usage 10/10 0.22GiB ≤ 1.20GiB
file_to_blackhole_500ms_latency missed_bytes 10/10 0B = 0B
quality_gate_idle intake_connections 10/10 3 = 3 bounds checks dashboard
quality_gate_idle memory_usage 10/10 174.19MiB ≤ 175MiB bounds checks dashboard
quality_gate_idle_all_features intake_connections 10/10 3 = 3 bounds checks dashboard
quality_gate_idle_all_features memory_usage 10/10 489.12MiB ≤ 550MiB bounds checks dashboard
quality_gate_logs intake_connections 10/10 4 ≤ 6 bounds checks dashboard
quality_gate_logs memory_usage 10/10 205.84MiB ≤ 220MiB bounds checks dashboard
quality_gate_logs missed_bytes 10/10 0B = 0B bounds checks dashboard
quality_gate_metrics_logs cpu_usage 10/10 379.54 ≤ 2000 bounds checks dashboard
quality_gate_metrics_logs intake_connections 10/10 3 ≤ 6 bounds checks dashboard
quality_gate_metrics_logs memory_usage 10/10 407.29MiB ≤ 475MiB bounds checks dashboard
quality_gate_metrics_logs missed_bytes 10/10 0B = 0B bounds checks dashboard

Explanation

Confidence level: 90.00%
Effect size tolerance: |Δ mean %| ≥ 5.00%

Performance changes are noted in the perf column of each table:

  • ✅ = significantly better comparison variant performance
  • ❌ = significantly worse comparison variant performance
  • ➖ = no significant change in performance

A regression test is an A/B test of target performance in a repeatable rig, where "performance" is measured as "comparison variant minus baseline variant" for an optimization goal (e.g., ingress throughput). Due to intrinsic variability in measuring that goal, we can only estimate its mean value for each experiment; we report uncertainty in that value as a 90.00% confidence interval denoted "Δ mean % CI".

For each experiment, we decide whether a change in performance is a "regression" -- a change worth investigating further -- if all of the following criteria are true:

  1. Its estimated |Δ mean %| ≥ 5.00%, indicating the change is big enough to merit a closer look.

  2. Its 90.00% confidence interval "Δ mean % CI" does not contain zero, indicating that if our statistical model is accurate, there is at least a 90.00% chance there is a difference in performance between baseline and comparison variants.

  3. Its configuration does not mark it "erratic".

CI Pass/Fail Decision

Passed. All Quality Gates passed.

  • quality_gate_idle_all_features, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_idle_all_features, bounds check intake_connections: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check missed_bytes: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check intake_connections: 10/10 replicas passed. Gate passed.
  • quality_gate_metrics_logs, bounds check cpu_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_metrics_logs, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_metrics_logs, bounds check intake_connections: 10/10 replicas passed. Gate passed.
  • quality_gate_metrics_logs, bounds check missed_bytes: 10/10 replicas passed. Gate passed.
  • quality_gate_idle, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_idle, bounds check intake_connections: 10/10 replicas passed. Gate passed.

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