github.com/opsramp/moby@v1.13.1/client/utils.go (about)

     1  package client
     2  
     3  import (
     4  	"github.com/docker/docker/api/types/filters"
     5  	"net/url"
     6  	"regexp"
     7  )
     8  
     9  var headerRegexp = regexp.MustCompile(`\ADocker/.+\s\((.+)\)\z`)
    10  
    11  // getDockerOS returns the operating system based on the server header from the daemon.
    12  func getDockerOS(serverHeader string) string {
    13  	var osType string
    14  	matches := headerRegexp.FindStringSubmatch(serverHeader)
    15  	if len(matches) > 0 {
    16  		osType = matches[1]
    17  	}
    18  	return osType
    19  }
    20  
    21  // getFiltersQuery returns a url query with "filters" query term, based on the
    22  // filters provided.
    23  func getFiltersQuery(f filters.Args) (url.Values, error) {
    24  	query := url.Values{}
    25  	if f.Len() > 0 {
    26  		filterJSON, err := filters.ToParam(f)
    27  		if err != nil {
    28  			return query, err
    29  		}
    30  		query.Set("filters", filterJSON)
    31  	}
    32  	return query, nil
    33  }