Get dependency status based on docker service and docker container #429
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ilgooz
suggested changes
Sep 6, 2018
container/container.go
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| // containerExists return true if the docker service can be found, return false otherwise and return | ||
| // any errors that are not `NotFound` errors | ||
| func (c *Container) containerExists(namespace []string) (bool, error) { |
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// containerExists checks if container with namespace can be found.
container/container.go
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| // presenceHandling handle the error the check the presence of a docker resource. | ||
| // It returns any error that are not docker `NotFound` errors | ||
| // It returns a boolean that says if the docker resource exists | ||
| func presenceHandling(err error) (bool, error) { |
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// presenceHandling checks err to see if it's a Docker NotFound error and if not
// it'll return the err back.
container/container.go
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| // serviceExists return true if the docker container can be found, return false otherwise and return | ||
| // any errors that are not `NotFound` errors | ||
| func (c *Container) serviceExists(namespace []string) (bool, error) { |
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// serviceExists checks if corresponding container for service namespace can be found.
container/container.go
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| // Otherwise the following status will be applied: | ||
| // - RUNNING: When the container is running in docker (whatever the status of the service) | ||
| // - STARTING: When the service is running but the container is not yet started | ||
| // - STOPPED: When neither the container nor the service are running in docker | ||
| func (c *Container) Status(namespace []string) (StatusType, error) { |
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// status returns the status of the container based on the docker container and docker service.
// if any error occurs during the status check, status will be shown as UNKNOWN.
// otherwise the following rules will be applied to determine a status:
// - RUNNING: when the container is running in docker regardless of the status of the service.
// - STARTING: when the service is running but the container is not yet started.
// - STOPPED: when the container and the service is not running in docker.
container/container.go
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| func (c *Container) containerExists(namespace []string) (bool, error) { | ||
| container, err := c.FindContainer(namespace) | ||
| if err == nil && container.State != nil && | ||
| xstrings.SliceContains([]string{"exited", "dead"}, container.State.Status) { |
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return !xstrings.SliceContains([]string{"exited", "dead"}, container.State.Status), nil ?
available statuses:
created, restarting, running, removing, paused, exited, dead
krhubert
approved these changes
Sep 11, 2018
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Pull request based on this one #411