gcloud alpha composer environments list-upgrades - list the Cloud Composer image version upgrades for a specific environment

gcloud alpha composer environments list-upgrades(ENVIRONMENT :--location=LOCATION)[--filter=EXPRESSION][--limit=LIMIT][--page-size=PAGE_SIZE][--sort-by=[FIELD,…]][GCLOUD_WIDE_FLAG …]

• Image Version ID
• Composer 'default' flag
• List of supported python versions

Environment resource - The environment to list upgrades. The arguments in thisgroup can be used to specify the attributes of this resource. (NOTE) Someattributes are not given arguments in this group but can be set in other ways.

To set theproject attribute:

• provide the argumentenvironment on the command line with a fullyspecified name;
• provide the argument--project on the command line;
• set the propertycore/project.

This must be specified.

ENVIRONMENT

ID of the environment or fully qualified identifier for the environment.

To set theenvironment attribute:

• provide the argumentenvironment on the command line.

This positional argument must be specified if any of the other arguments in thisgroup are specified.

--location=LOCATION

Region where Composer environment runs or in which to create the environment.

To set thelocation attribute:

• provide the argumentenvironment on the command line with a fullyspecified name;
• provide the argument--location on the command line;
• set the propertycomposer/location.

--filter=EXPRESSION

Apply a Boolean filterEXPRESSION to each resource itemto be listed. If the expression evaluatesTrue, then that item islisted. For more details and examples of filter expressions, run $gcloud topic filters. This flaginteracts with other flags that are applied in this order:--flatten,--sort-by,--filter,--limit.

--limit=LIMIT

Maximum number of resources to list. The default isunlimited. Thisflag interacts with other flags that are applied in this order:--flatten,--sort-by,--filter,--limit.

--page-size=PAGE_SIZE

Some services group resource list output into pages. This flag specifies themaximum number of resources per page. The default is determined by the serviceif it supports paging, otherwise it isunlimited (no paging).Paging may be applied before or after--filter and--limit depending on the service.

--sort-by=[FIELD,…]

Comma-separated list of resource field key names to sort by. The default orderis ascending. Prefix a field with ``~´´ for descending order on thatfield. This flag interacts with other flags that are applied in this order:--flatten,--sort-by,--filter,--limit.

Run$gcloud help for details.