upstream_ha: added environment variable support #9915

Job	Run time
run-ubuntu-unit-tests (-DFLB_JEMALLOC=On, gcc)	13m 30s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=On, clang)	13m 58s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=Off, gcc)	12m 48s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=Off, clang)	12m 47s
run-ubuntu-unit-tests (-DFLB_SMALL=On, gcc)	12m 57s
run-ubuntu-unit-tests (-DFLB_SMALL=On, clang)	14m 3s
run-ubuntu-unit-tests (-DSANITIZE_ADDRESS=On, gcc)	13m 11s
run-ubuntu-unit-tests (-DSANITIZE_ADDRESS=On, clang)	13m 24s
run-ubuntu-unit-tests (-DSANITIZE_UNDEFINED=On, gcc)	13m 20s
run-ubuntu-unit-tests (-DSANITIZE_UNDEFINED=On, clang)	13m 9s
run-ubuntu-unit-tests (-DFLB_COVERAGE=On, gcc)	46m 12s
run-ubuntu-unit-tests (-DFLB_SANITIZE_MEMORY=On, gcc)	12m 46s
run-ubuntu-unit-tests (-DFLB_SANITIZE_MEMORY=On, clang)	12m 50s
run-ubuntu-unit-tests (-DFLB_SANITIZE_THREAD=On, gcc)	12m 48s
run-ubuntu-unit-tests (-DFLB_SANITIZE_THREAD=On, clang)	12m 52s
run-macos-unit-tests (-DFLB_JEMALLOC=Off)	12m 57s
run-macos-unit-tests (-DFLB_SANITIZE_MEMORY=On)	12m 47s
run-macos-unit-tests (-DFLB_SANITIZE_THREAD=On)	12m 44s
Unit tests (matrix)	1s
	4h 29m 4s

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