Ensure span links trace ids and attributes can't be null

[PerfectSlayer]

What Does This Do

Make sure span links trace ids and attributes can't be null.

Motivation

Follow up PR of #6758

Additional Notes

Jira ticket: [PROJ-IDENT]

[pr-commenter]

Benchmarks

Startup

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	bbujon/span-links
git_commit_date	1709301996	1709302174
git_commit_sha	31e5b49	72d8004
release_version	1.31.0-SNAPSHOT~31e5b492f6	1.31.0-SNAPSHOT~72d80043b9

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1709304999	1709304999
ci_job_id	448218531	448218531
ci_pipeline_id	29293688	29293688
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
module	Agent	Agent
parent	None	None
variant	iast	iast

Summary

Found 0 performance improvements and 2 performance regressions! Performance is the same for 41 metrics, 11 unstable metrics.

scenario	Δ mean execution_time	candidate mean execution_time	baseline mean execution_time
scenario:startup:insecure-bank:tracing:GlobalTracer	worse [+5.982ms; +8.944ms] or [+2.055%; +3.073%]	298.526ms	291.063ms
scenario:startup:petclinic:appsec:Remote Config	worse [+28.704µs; +56.602µs] or [+4.745%; +9.357%]	647.559µs	604.905µs

Load

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
end_time	2024-03-01T14:33:05	2024-03-01T14:51:39
git_branch	master	bbujon/span-links
git_commit_date	1709301996	1709302174
git_commit_sha	31e5b49	72d8004
release_version	1.31.0-SNAPSHOT~31e5b492f6	1.31.0-SNAPSHOT~72d80043b9
start_time	2024-03-01T14:32:52	2024-03-01T14:51:26

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1709304999	1709304999
ci_job_id	448218531	448218531
ci_pipeline_id	29293688	29293688
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
variant	iast	iast

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 12 metrics, 14 unstable metrics.

Request duration reports for insecure-bank

gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.31.0-SNAPSHOT~72d80043b9, baseline=1.31.0-SNAPSHOT~31e5b492f6
    dateFormat X
    axisFormat %s
section baseline
no_agent (363.775 µs) : 344, 384
.   : milestone, 364,
iast (474.343 µs) : 454, 495
.   : milestone, 474,
iast_FULL (529.281 µs) : 509, 550
.   : milestone, 529,
iast_GLOBAL (490.86 µs) : 470, 512
.   : milestone, 491,
iast_HARDCODED_SECRET_DISABLED (473.031 µs) : 452, 494
.   : milestone, 473,
iast_INACTIVE (447.513 µs) : 427, 468
.   : milestone, 448,
iast_TELEMETRY_OFF (467.092 µs) : 446, 488
.   : milestone, 467,
tracing (440.56 µs) : 421, 460
.   : milestone, 441,
section candidate
no_agent (367.519 µs) : 348, 387
.   : milestone, 368,
iast (472.111 µs) : 452, 492
.   : milestone, 472,
iast_FULL (537.806 µs) : 517, 558
.   : milestone, 538,
iast_GLOBAL (491.35 µs) : 471, 512
.   : milestone, 491,
iast_HARDCODED_SECRET_DISABLED (476.471 µs) : 456, 497
.   : milestone, 476,
iast_INACTIVE (440.329 µs) : 420, 461
.   : milestone, 440,
iast_TELEMETRY_OFF (470.212 µs) : 449, 492
.   : milestone, 470,
tracing (436.425 µs) : 416, 457
.   : milestone, 436,

Loading

• baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	363.775 µs [343.949 µs, 383.601 µs]	-
iast	474.343 µs [453.711 µs, 494.975 µs]	110.568 µs (30.4%)
iast_FULL	529.281 µs [508.94 µs, 549.621 µs]	165.506 µs (45.5%)
iast_GLOBAL	490.86 µs [469.84 µs, 511.879 µs]	127.085 µs (34.9%)
iast_HARDCODED_SECRET_DISABLED	473.031 µs [452.102 µs, 493.96 µs]	109.256 µs (30.0%)
iast_INACTIVE	447.513 µs [426.772 µs, 468.254 µs]	83.738 µs (23.0%)
iast_TELEMETRY_OFF	467.092 µs [446.129 µs, 488.056 µs]	103.317 µs (28.4%)
tracing	440.56 µs [420.756 µs, 460.363 µs]	76.785 µs (21.1%)

• candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	367.519 µs [347.826 µs, 387.212 µs]	-
iast	472.111 µs [451.784 µs, 492.438 µs]	104.592 µs (28.5%)
iast_FULL	537.806 µs [517.463 µs, 558.148 µs]	170.287 µs (46.3%)
iast_GLOBAL	491.35 µs [470.594 µs, 512.106 µs]	123.831 µs (33.7%)
iast_HARDCODED_SECRET_DISABLED	476.471 µs [455.969 µs, 496.973 µs]	108.952 µs (29.6%)
iast_INACTIVE	440.329 µs [420.021 µs, 460.637 µs]	72.81 µs (19.8%)
iast_TELEMETRY_OFF	470.212 µs [448.686 µs, 491.738 µs]	102.693 µs (27.9%)
tracing	436.425 µs [415.857 µs, 456.993 µs]	68.906 µs (18.7%)

Request duration reports for petclinic

gantt
    title petclinic - request duration [CI 0.99] : candidate=1.31.0-SNAPSHOT~72d80043b9, baseline=1.31.0-SNAPSHOT~31e5b492f6
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.35 ms) : 1331, 1369
.   : milestone, 1350,
appsec (1.78 ms) : 1756, 1803
.   : milestone, 1780,
iast (1.524 ms) : 1501, 1548
.   : milestone, 1524,
profiling (1.532 ms) : 1508, 1556
.   : milestone, 1532,
tracing (1.524 ms) : 1501, 1547
.   : milestone, 1524,
section candidate
no_agent (1.333 ms) : 1314, 1352
.   : milestone, 1333,
appsec (1.775 ms) : 1751, 1798
.   : milestone, 1775,
iast (1.534 ms) : 1511, 1558
.   : milestone, 1534,
profiling (1.58 ms) : 1555, 1604
.   : milestone, 1580,
tracing (1.497 ms) : 1473, 1520
.   : milestone, 1497,

Loading

• baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.35 ms [1.331 ms, 1.369 ms]	-
appsec	1.78 ms [1.756 ms, 1.803 ms]	429.728 µs (31.8%)
iast	1.524 ms [1.501 ms, 1.548 ms]	174.484 µs (12.9%)
profiling	1.532 ms [1.508 ms, 1.556 ms]	181.998 µs (13.5%)
tracing	1.524 ms [1.501 ms, 1.547 ms]	174.271 µs (12.9%)

• candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.333 ms [1.314 ms, 1.352 ms]	-
appsec	1.775 ms [1.751 ms, 1.798 ms]	441.693 µs (33.1%)
iast	1.534 ms [1.511 ms, 1.558 ms]	201.202 µs (15.1%)
profiling	1.58 ms [1.555 ms, 1.604 ms]	246.555 µs (18.5%)
tracing	1.497 ms [1.473 ms, 1.52 ms]	163.67 µs (12.3%)