ci: discard configuration step and parallelism for performance test pipeline (#127288)

- Removes user input and env var for performance test iterations
- Changes performance test execution queue
- Removes parallelism, queue mechanisms
- Removes dynamic creation of performance sub-steps

Co-authored-by: Spencer <spencer@elastic.co>

.buildkite/pipelines/performance/daily.yml

@@ -1,13 +1,4 @@
 steps:
-  - block: ':gear: Performance Tests Configuration'
-    prompt: 'Fill out the details for performance test'
-    fields:
-      - text: ':arrows_counterclockwise: Iterations'
-        key: 'performance-test-iteration-count'
-        hint: 'How many times you want to run tests? '
-        required: true
-    if: build.env('PERF_TEST_COUNT') == null
-
   - label: ':male-mechanic::skin-tone-2: Pre-Build'
     command: .buildkite/scripts/lifecycle/pre_build.sh
     agents:
@@ -24,7 +15,7 @@ steps:
   - label: ':muscle: Performance Tests with Playwright config'
     command: .buildkite/scripts/steps/functional/performance_playwright.sh
     agents:
-      queue: c2-16
+      queue: kb-static-ubuntu
     depends_on: build
 
   - wait: ~

.buildkite/scripts/steps/functional/performance_playwright.sh

@@ -1,24 +1,55 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-set -uo pipefail
+set -euo pipefail
 
-if [ -z "${PERF_TEST_COUNT+x}" ]; then
-  TEST_COUNT="$(buildkite-agent meta-data get performance-test-iteration-count)"
-else
-  TEST_COUNT=$PERF_TEST_COUNT
-fi
+source .buildkite/scripts/common/util.sh
 
-tput setab 2; tput setaf 0; echo "Performance test will be run at ${BUILDKITE_BRANCH} ${TEST_COUNT} times"
+.buildkite/scripts/bootstrap.sh
+.buildkite/scripts/download_build_artifacts.sh
 
-cat << EOF | buildkite-agent pipeline upload
-steps:
-  - command: .buildkite/scripts/steps/functional/performance_sub_playwright.sh
-    parallelism: "$TEST_COUNT"
-    concurrency: 20
-    concurrency_group: 'performance-test-group'
-    agents:
-      queue: c2-16
-EOF
+echo --- Run Performance Tests with Playwright config
 
+node scripts/es snapshot&
 
+esPid=$!
 
+export TEST_ES_URL=http://elastic:changeme@localhost:9200
+export TEST_ES_DISABLE_STARTUP=true
+
+sleep 120
+
+cd "$XPACK_DIR"
+
+jobId=$(npx uuid)
+export TEST_JOB_ID="$jobId"
+
+journeys=("ecommerce_dashboard" "flight_dashboard" "web_logs_dashboard" "promotion_tracking_dashboard")
+
+for i in "${journeys[@]}"; do
+    echo "JOURNEY[${i}] is running"
+
+    export TEST_PERFORMANCE_PHASE=WARMUP
+    export ELASTIC_APM_ACTIVE=false
+    export JOURNEY_NAME="${i}"
+    
+    checks-reporter-with-killswitch "Run Performance Tests with Playwright Config (Journey:${i},Phase: WARMUP)" \
+      node scripts/functional_tests \
+      --config test/performance/config.playwright.ts \
+      --include "test/performance/tests/playwright/${i}.ts" \
+      --kibana-install-dir "$KIBANA_BUILD_LOCATION" \
+      --debug \
+      --bail
+
+    export TEST_PERFORMANCE_PHASE=TEST
+    export ELASTIC_APM_ACTIVE=true
+
+    checks-reporter-with-killswitch "Run Performance Tests with Playwright Config (Journey:${i},Phase: TEST)" \
+      node scripts/functional_tests \
+      --config test/performance/config.playwright.ts \
+      --include "test/performance/tests/playwright/${i}.ts" \
+      --kibana-install-dir "$KIBANA_BUILD_LOCATION" \
+      --debug \
+      --bail
+done
+
+kill "$esPid"

.buildkite/scripts/steps/functional/performance_sub_playwright.sh

@@ -1,55 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-source .buildkite/scripts/common/util.sh
-
-.buildkite/scripts/bootstrap.sh
-.buildkite/scripts/download_build_artifacts.sh
-
-echo --- Run Performance Tests with Playwright config
-
-node scripts/es snapshot&
-
-esPid=$!
-
-export TEST_ES_URL=http://elastic:changeme@localhost:9200
-export TEST_ES_DISABLE_STARTUP=true
-
-sleep 120
-
-cd "$XPACK_DIR"
-
-jobId=$(npx uuid)
-export TEST_JOB_ID="$jobId"
-
-journeys=("ecommerce_dashboard" "flight_dashboard" "web_logs_dashboard" "promotion_tracking_dashboard")
-
-for i in "${journeys[@]}"; do
-    echo "JOURNEY[${i}] is running"
-
-    export TEST_PERFORMANCE_PHASE=WARMUP
-    export ELASTIC_APM_ACTIVE=false
-    export JOURNEY_NAME="${i}"
-    
-    checks-reporter-with-killswitch "Run Performance Tests with Playwright Config (Journey:${i},Phase: WARMUP)" \
-      node scripts/functional_tests \
-      --config test/performance/config.playwright.ts \
-      --include "test/performance/tests/playwright/${i}.ts" \
-      --kibana-install-dir "$KIBANA_BUILD_LOCATION" \
-      --debug \
-      --bail
-
-    export TEST_PERFORMANCE_PHASE=TEST
-    export ELASTIC_APM_ACTIVE=true
-
-    checks-reporter-with-killswitch "Run Performance Tests with Playwright Config (Journey:${i},Phase: TEST)" \
-      node scripts/functional_tests \
-      --config test/performance/config.playwright.ts \
-      --include "test/performance/tests/playwright/${i}.ts" \
-      --kibana-install-dir "$KIBANA_BUILD_LOCATION" \
-      --debug \
-      --bail
-done
-
-kill "$esPid"