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Another way to fulfill your use case is to have the "other" component to watch the config file. This is similar to the IPC solution but with this approach you are not limited to the programming languages supported by the Greengrass SDK.
Using the CLI is the only way to restart a component at this time. Assuming that you control the code in the component which is reading the configuration file, you could update it such that it calls exec to create a new instance of itself with the updated configuration. Even more ideally, it could be written to dynamically update based on configuration changes, for example by using our configuration subscription IPC https://docs.aws.amazon.com/greengrass/v2/developerguide/ipc-component-configuration.html#ipc-operation-subscribetoconfigurationupdate.
Hi , apologies for the delay on this follow up -
The documentation for the greengrass-cli component has a configuration for "AuthorizedPosixGroups". If I explicitly add the user (ggc_user) to this group, will I be able to invoke the restart command from another component without using any of the workarounds suggested?
LInk to docs: https://docs.aws.amazon.com/greengrass/v2/developerguide/greengrass-cli-component.html
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AWS公式更新しました 2年前
Hi , apologies for the delay on this follow up -
The documentation for the greengrass-cli component has a configuration for "AuthorizedPosixGroups". If I explicitly add the user (ggc_user) to this group, will I be able to invoke the restart command from another component without using any of the workarounds suggested?
LInk to docs: https://docs.aws.amazon.com/greengrass/v2/developerguide/greengrass-cli-component.html