Fix failure on IPv6 single stack cluster #1547
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When FLUENT_FILTER_KUBERNETES_URL is not set, KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT are used as a fallback. When applying such a fallback, it will fail on only IPv6 is available. It causes the following error: /usr/local/lib/ruby/3.2.0/uri/rfc3986_parser.rb:66:in `split': bad URI(is not URI?): "https://IPV6_ADDRESS:443/api" (URI::InvalidURIError) IPv6 address must be enclosed with square brackets. Closes: fluent#1546 Signed-off-by: Kentaro Hayashi <[email protected]>
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When FLUENT_FILTER_KUBERNETES_URL is not set, KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT are used as a fallback.
When applying such a fallback, it will fail on only IPv6 is available. It causes the following error:
/usr/local/lib/ruby/3.2.0/uri/rfc3986_parser.rb:66:in `split': bad
URI(is not URI?):
"https://IPV6_ADDRESS:443/api" (URI::InvalidURIError)
IPv6 address must be enclosed with square brackets.
Closes: #1546