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[AGENTRUN-142] compute instanceID in the server for configcheck command and configcheck flare #34321

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@GustavoCaso GustavoCaso commented Feb 21, 2025

What does this PR do?

Modify the config-check response to include the checkID of all the integration config instances.

Motivation

Ensure the instance ID from the status and configcheck command matches. Prior to this change the instance ID in the configcheck command was wrong. The problem is that we compute the check ID in the client, using scrubbed integration config information. That causes the information to be different from the status command

Describe how you validated your changes

  • Ensure the status and configcheck command display the same check ID
  • Ensure the config-check.log from the flare matches the check ID as well.

Possible Drawbacks / Trade-offs

Additional Notes

@GustavoCaso GustavoCaso changed the title compute instanceID in the server for configcheck command and configch… compute instanceID in the server for configcheck command and configcheck flare Feb 21, 2025
@GustavoCaso GustavoCaso changed the title compute instanceID in the server for configcheck command and configcheck flare [AGENTRUN-142] compute instanceID in the server for configcheck command and configcheck flare Feb 21, 2025
@github-actions github-actions bot added team/container-platform The Container Platform Team long review PR is complex, plan time to review it labels Feb 21, 2025
@@ -11,15 +11,13 @@ import (
"fmt"
"hash/fnv"
"strings"

"github.com/DataDog/datadog-agent/comp/core/autodiscovery/integration"
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I couldn't import the this library in the autodiscovery component because of import cycle. Seeing that the only reason that we include it here is because integration.Data#GetNameForInstance(), I change the function signature to get the instance name string and instead of using integration.Data I used []byte

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How does the cycle look like? I think ideally imports should reflect flow of data - autodiscovery provides data via subscriptions to multiple users, of which collector is just one example. It should not have any need to import any of the collector.

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agent-platform-auto-pr bot commented Feb 21, 2025

Uncompressed package size comparison

Comparison with ancestor ef7a913a0322e789822800b939b29393ac7c9351

Diff per package
package diff status size ancestor threshold
datadog-heroku-agent-amd64-deb 0.00MB 446.01MB 446.00MB 0.50MB
datadog-iot-agent-amd64-deb 0.00MB 61.90MB 61.90MB 0.50MB
datadog-iot-agent-x86_64-rpm 0.00MB 61.97MB 61.97MB 0.50MB
datadog-iot-agent-x86_64-suse 0.00MB 61.97MB 61.97MB 0.50MB
datadog-dogstatsd-amd64-deb 0.00MB 41.39MB 41.39MB 0.50MB
datadog-dogstatsd-x86_64-rpm 0.00MB 41.47MB 41.47MB 0.50MB
datadog-dogstatsd-x86_64-suse 0.00MB 41.47MB 41.47MB 0.50MB
datadog-dogstatsd-arm64-deb 0.00MB 39.65MB 39.65MB 0.50MB
datadog-iot-agent-arm64-deb 0.00MB 59.14MB 59.14MB 0.50MB
datadog-iot-agent-aarch64-rpm 0.00MB 59.21MB 59.21MB 0.50MB
datadog-agent-aarch64-rpm -0.00MB 867.77MB 867.77MB 0.50MB
datadog-agent-amd64-deb -0.00MB 868.68MB 868.69MB 0.50MB
datadog-agent-arm64-deb -0.00MB 858.02MB 858.02MB 0.50MB
datadog-agent-x86_64-rpm -0.00MB 878.45MB 878.46MB 0.50MB
datadog-agent-x86_64-suse -0.00MB 878.45MB 878.46MB 0.50MB

Decision

✅ Passed

@GustavoCaso GustavoCaso force-pushed the ensure-configcheck-checkID-matches-status branch from 6df3c62 to 2ddd23b Compare February 21, 2025 17:28
@@ -75,7 +75,7 @@ func GetClusterChecks(w io.Writer, checkName string) error {
if len(cr.Dangling) > 0 {
fmt.Fprintf(w, "=== %s configurations ===\n", color.RedString("Unassigned"))
for _, c := range cr.Dangling {
flare.PrintConfig(w, c, checkName)
flare.PrintClusterCheckConfig(w, c, checkName)
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@clamoriniere For this PR I decided to leave the cluster check v1 untouched. We currently do not scrub the integration config information, which is something that we need to do, but it would require more changes. This PR is already big enough, that I think is best to limit the size.

Once we merge this one and validate everything works as expected we can open a new PR that focus on scrubbing the integration config and precompute the check ID for the cluster check

@GustavoCaso GustavoCaso marked this pull request as ready for review February 21, 2025 17:37
@GustavoCaso GustavoCaso requested review from a team as code owners February 21, 2025 17:37
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Regression Detector

Regression Detector Results

Metrics dashboard
Target profiles
Run ID: ecf75d6c-e620-4ce8-8089-91065c64e7e1

Baseline: ef7a913
Comparison: 2ddd23b
Diff

Optimization Goals: ✅ No significant changes detected

Fine details of change detection per experiment

perf experiment goal Δ mean % Δ mean % CI trials links
quality_gate_idle_all_features memory utilization +0.54 [+0.49, +0.60] 1 Logs bounds checks dashboard
quality_gate_idle memory utilization +0.40 [+0.35, +0.44] 1 Logs bounds checks dashboard
tcp_syslog_to_blackhole ingress throughput +0.14 [+0.08, +0.20] 1 Logs
file_to_blackhole_1000ms_latency egress throughput +0.04 [-0.73, +0.82] 1 Logs
file_to_blackhole_0ms_latency_http1 egress throughput +0.02 [-0.81, +0.84] 1 Logs
tcp_dd_logs_filter_exclude ingress throughput +0.00 [-0.03, +0.04] 1 Logs
file_to_blackhole_100ms_latency egress throughput -0.00 [-0.67, +0.67] 1 Logs
uds_dogstatsd_to_api ingress throughput -0.00 [-0.27, +0.27] 1 Logs
file_to_blackhole_300ms_latency egress throughput -0.00 [-0.63, +0.63] 1 Logs
file_to_blackhole_0ms_latency_http2 egress throughput -0.01 [-0.78, +0.76] 1 Logs
file_to_blackhole_0ms_latency egress throughput -0.02 [-0.76, +0.72] 1 Logs
file_to_blackhole_500ms_latency egress throughput -0.02 [-0.82, +0.78] 1 Logs
file_tree memory utilization -0.03 [-0.10, +0.03] 1 Logs
file_to_blackhole_1000ms_latency_linear_load egress throughput -0.11 [-0.58, +0.35] 1 Logs
uds_dogstatsd_to_api_cpu % cpu utilization -0.40 [-1.28, +0.48] 1 Logs
quality_gate_logs % cpu utilization -2.75 [-5.70, +0.19] 1 Logs

Bounds Checks: ✅ Passed

perf experiment bounds_check_name replicates_passed links
file_to_blackhole_0ms_latency lost_bytes 10/10
file_to_blackhole_0ms_latency memory_usage 10/10
file_to_blackhole_0ms_latency_http1 lost_bytes 10/10
file_to_blackhole_0ms_latency_http1 memory_usage 10/10
file_to_blackhole_0ms_latency_http2 lost_bytes 10/10
file_to_blackhole_0ms_latency_http2 memory_usage 10/10
file_to_blackhole_1000ms_latency memory_usage 10/10
file_to_blackhole_1000ms_latency_linear_load memory_usage 10/10
file_to_blackhole_100ms_latency lost_bytes 10/10
file_to_blackhole_100ms_latency memory_usage 10/10
file_to_blackhole_300ms_latency lost_bytes 10/10
file_to_blackhole_300ms_latency memory_usage 10/10
file_to_blackhole_500ms_latency lost_bytes 10/10
file_to_blackhole_500ms_latency memory_usage 10/10
quality_gate_idle intake_connections 10/10 bounds checks dashboard
quality_gate_idle memory_usage 10/10 bounds checks dashboard
quality_gate_idle_all_features intake_connections 10/10 bounds checks dashboard
quality_gate_idle_all_features memory_usage 10/10 bounds checks dashboard
quality_gate_logs intake_connections 10/10
quality_gate_logs lost_bytes 10/10
quality_gate_logs memory_usage 10/10

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_logs, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check lost_bytes: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check intake_connections: 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.
  • 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.

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