| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/docker/swarmkit/api | Package api is a generated protocol buffer package. |
| github.com/docker/swarmkit/log | |
| github.com/rcrowley/go-metrics | Go port of Coda Hale's Metrics library |
| github.com/spf13/cobra | Package cobra is a commander providing a simple interface to create powerful modern CLI interfaces. |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| io | Package io provides basic interfaces to I/O primitives. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| time | Package time provides functionality for measuring and displaying time. |