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98c2c9d96c
* add env support for otel_span configuration Signed-off-by: Cuichen Li <cuichli@cisco.com> * update changelog * update changelog and some logic based on comment * Update CHANGELOG.md Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * add document about retrieve value from environment variable Signed-off-by: Cuichen Li <cuichli@cisco.com> * remove trailing whitespace Signed-off-by: Cuichen Li <cuichli@cisco.com> * parse environment variable before apply the options * Update CHANGELOG.md Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Update sdk/trace/provider_test.go Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Update CHANGELOG.md Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>