Jira (FACT-3135) YAML anchors no longer function properly in Facter 4

[Nathanael Cole (Jira)]

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Nathanael Cole created an issue   Facter / FACT-3135 YAML anchors no longer function properly in Facter 4 Issue Type: Task Affects Versions: FACT 4.2.8 Assignee: Unassigned Components: Facter 4 Created: 2022/07/08 9:19 AM Priority: Normal Reporter: Nathanael Cole It appears that yaml anchors have stopped working in facter 4. In facter 3, this external yaml fact is processed correctly:   // "/opt/puppetlabs/facter/facts.d/test.yaml" 13L, 118C                                                  9,7           All --- one:   ipam:     a:       &a1       - foo     cname:       &a2       - bar two:   IPAM:     A: *a1     CNAME: *a2   When running puppet facts --debug:     // ESC[0;36mDebug: Facter: resolving facts from YAML file "/opt/puppetlabs/facter/facts.d/test.yaml".ESC[0m ESC[0;36mDebug: Facter: fact "one" has resolved to {   ipam => {     a => [       "foo"     ],     cname => [       "bar"     ]   } }.ESC[0m In facter 4, this fails:   // c:Error: Facter: Failed to handle /opt/puppetlabs/facter/facts.d/test.yaml as LegacyFacter::Util::Parser::YamlParser facts: Unknown alias: a1 The expectation is that yaml anchors should function the same as they did in prior versions. Support has recommended their use on multiple prior occasions. Add Comment   This message was sent by Atlassian Jira (v8.20.2#820002-sha1:829506d) -- You received this message because you are subscribed to the Google Groups "Puppet Bugs" group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-bugs+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/puppet-bugs/JIRA.454471.1657297143000.60070.1657297200095%40Atlassian.JIRA.