metalbear-co/mirrord Preview Environment

Start or stop a mirrord preview environment

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Maintenance Recency: Activelast commit Apr 10, 2026
License: MIT

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workflow.ymlSHA-pinned

uses: metalbear-co/mirrord-preview@441260afa3bea790b133038a70e00914629d3ba6 # 0.1.4

tags can be moved; commit SHAs can't. why a SHA?

Inputs

name	description	required	default
action	Action to perform: "start" or "stop"	yes	—
target	Kubernetes target path (e.g. deployment/my-app). Required for start.	no	—
namespace	Kubernetes namespace of the target. Optional, defaults to current context namespace.	no	—
mode	Traffic mode: "steal" or "mirror". Default: steal	no	steal
filter	Header filter regex applied to incoming HTTP traffic (and future SQS/Kafka filters). May reference {key}.	no	—
ports	JSON array of HTTP filter ports, e.g. [80, 8080]	no	—
ttl_mins	Session time-to-live in minutes. Integer or "infinite".	no	—
image	Container image for the preview environment (e.g. myrepo/myapp:latest). Required for start.	no	—
key	Unique preview session key. Optional for start (auto-generated if omitted), required for stop.	no	—
cli_path	Path to mirrord cli, will be used instead of the latest version when specified. Note that this works by symlinking `/usr/local/bin/mirrord` to this path.	no	—
extra_config	JSON object merged into the generated mirrord.json. Allows setting any additional mirrord config options. Overrides generated fields if overlapping.	no	—

Outputs

name	description
session-key	The preview session key (extracted from mirrord CLI output)