openai: be defensive about response object shape

[tlhunter]

What does this PR do?

• gets more defensive about response object shape
• already did this for the request objects

Motivation

• this can happen when using a streaming response with certain endpoints
• should fix OpenAI Tracer Throws Exception When Using Streaming #3385

[github-actions]

Overall package size

Self size: 4.9 MB
Deduped: 57.99 MB
No deduping: 58.09 MB

Dependency sizes

name	version	self size	total size
@datadog/native-iast-taint-tracking	1.5.0	14.86 MB	14.86 MB
@datadog/native-appsec	3.2.0	13.38 MB	13.39 MB
@datadog/pprof	3.1.0	10.66 MB	11.5 MB
protobufjs	7.2.4	2.74 MB	6.52 MB
@datadog/native-iast-rewriter	2.0.1	2.09 MB	2.1 MB
@opentelemetry/core	1.14.0	872.87 kB	1.47 MB
@datadog/native-metrics	2.0.0	898.77 kB	1.3 MB
@opentelemetry/api	1.4.1	780.32 kB	780.32 kB
msgpack-lite	0.1.26	201.16 kB	281.59 kB
opentracing	0.14.7	194.81 kB	194.81 kB
semver	7.5.3	93.39 kB	123.79 kB
@datadog/sketches-js	2.1.0	109.9 kB	109.9 kB
lodash.sortby	4.7.0	75.76 kB	75.76 kB
lru-cache	7.14.0	74.95 kB	74.95 kB
ipaddr.js	2.0.1	59.52 kB	59.52 kB
int64-buffer	0.1.10	49.18 kB	49.18 kB
ignore	5.2.0	48.87 kB	48.87 kB
import-in-the-middle	1.3.5	34.34 kB	38.81 kB
istanbul-lib-coverage	3.2.0	29.34 kB	29.34 kB
retry	0.10.1	27.44 kB	27.44 kB
lodash.uniq	4.5.0	25.01 kB	25.01 kB
limiter	1.1.5	23.17 kB	23.17 kB
lodash.kebabcase	4.1.1	17.75 kB	17.75 kB
lodash.pick	4.4.0	16.33 kB	16.33 kB
node-abort-controller	3.0.1	14.33 kB	14.33 kB
crypto-randomuuid	1.0.0	11.18 kB	11.18 kB
diagnostics_channel	1.1.0	7.07 kB	7.07 kB
path-to-regexp	0.1.7	6.78 kB	6.78 kB
koalas	1.0.2	6.47 kB	6.47 kB
methods	1.1.2	5.29 kB	5.29 kB
module-details-from-path	1.0.3	4.47 kB	4.47 kB

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

[codecov]

Codecov Report

Merging #3408 (c4c63b4) into master (550569a) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3408   +/-   ##
=======================================
  Coverage   84.25%   84.25%           
=======================================
  Files         214      214           
  Lines        8392     8392           
  Branches       33       33           
=======================================
  Hits         7071     7071           
  Misses       1321     1321           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[pr-commenter]

Benchmarks

Benchmark execution time: 2023-07-17 22:57:16

Comparing candidate commit c4c63b4 in PR branch tlhunter/openai-defensive-response with baseline commit 550569a in branch master.

Found 0 performance improvements and 3 performance regressions! Performance is the same for 372 metrics, 16 unstable metrics.

scenario:plugin-graphql-with-depth-and-collapse-on-18

• 🟥 max_rss_usage [+131.905KB; +139.251KB] or [+15.890%; +16.775%]

scenario:plugin-graphql-with-depth-off-18

• 🟥 max_rss_usage [+130.787KB; +133.793KB] or [+15.886%; +16.251%]

scenario:plugin-graphql-with-depth-on-max-18

• 🟥 max_rss_usage [+122.289KB; +151.339KB] or [+14.792%; +18.306%]