v1.33.1

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⚡ Notable Changes

WinGet is now supported for installing stern

If you're running on Windows, usually the actual best way is to use WinGet to install which is Windows' built-in package manager, you can install like this:

winget install stern.stern

Changes

• Added WinGet release target. (#​354) aa558b6 (Gregor Noczinski)

v1.33.0

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⚡ Notable Changes

New template variables Labels and Annotations

You can now use Labels and Annotations in your templates.

stern -n kube-system -l component --template '{{printf "%-25s %s" .Labels.component .Message}}{{"\n"}}'

Changes

• Update dependencies for Kubernetes 1.34 (#​349) d6a0679 (Takashi Kusumi)
• Fix asdf installation typo (#​348) 5946e7f (Guruprasad Bhat)
• 338: fix: move highlighting after formatting (#​339) 6d915a8 (Peter)
• Add support for labels & annotations in templates (#​344) 3cd85b4 (Nicholas Hurden)

v1.32.0

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⚡ Notable Changes

A new template function prettyJSON

You can now use a new template function prettyJSON that parse input and emit it as pretty printed JSON. If it parse fails output string as is.

# Will try to parse .Message as JSON and pretty print it, if not json will output as is
stern --template='{{ .Message | prettyJSON }}{{"\n"}}' backend

# Or with parsed json, will drop non-json logs because of `with`
stern --template='{{ with $msg := .Message | tryParseJSON }}{{ prettyJSON $msg }}{{"\n"}}{{end}}' backend

A new template function bunyanLevelColor

You can now use a new template function bunyanLevelColor that print bunyan numeric log level using appropriate color.

A new flag --condition

A new --condition allows you to filter logs with the pod condition on: [condition-name[=condition-value]. The default condition-value is true. Match is case-insensitive. Currently, it is only supported with --tail=0 or --no-follow.

# Only display logs for pods that are not ready:
stern . --condition=ready=false --tail=0

Changes

• Add --condition (#​276) 2576972 (Felipe Santos)
• Add check for when --no-follow is set with --tail=0 (#​331) 276e906 (Felipe Santos)
• Implement JSON pretty print (#​324) ccd8add (Fabio Napoleoni)
• Fix descriptions of extjson and ppextjson (#​325) d9a9858 (Takashi Kusumi)
• Allow levelColor template function to parse numbers (#​321) db69276 (Jimmie Högklint)

v1.31.0

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Changes

• Fix --verbosity flag to show missing logs (#​317) c2b4410 (Takashi Kusumi)
• Update dependencies for Kubernetes 1.31 (#​315) a4fdcc9 (Takashi Kusumi)