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Lint on pkg/* packages

Browse source 
- pkg/useragent
- pkg/units
- pkg/ulimit
- pkg/truncindex
- pkg/timeoutconn
- pkg/term
- pkg/tarsum
- pkg/tailfile
- pkg/systemd
- pkg/stringutils
- pkg/stringid
- pkg/streamformatter
- pkg/sockets
- pkg/signal
- pkg/proxy
- pkg/progressreader
- pkg/pools
- pkg/plugins
- pkg/pidfile
- pkg/parsers
- pkg/parsers/filters
- pkg/parsers/kernel
- pkg/parsers/operatingsystem

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
This commit is contained in:
Vincent Demeester 2015-07-25 10:35:07 +02:00
parent a922d62168
commit 9bcb3cba83
56 changed files with 455 additions and 195 deletions
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21
parsers/parsers.go
View file

@ -1,3 +1,6 @@
// Package parsers provides helper functions to parse and validate different type
// of string. It can be hosts, unix addresses, tcp addresses, filters, kernel
// operating system versions.
package parsers
import (
@ -9,6 +12,8 @@ import (
"strings"
)
// ParseHost parses the specified address and returns an address that will be used as the host.
// Depending of the address specified, will use the defaultTCPAddr or defaultUnixAddr
// FIXME: Change this not to receive default value as parameter
func ParseHost(defaultTCPAddr, defaultUnixAddr, addr string) (string, error) {
addr = strings.TrimSpace(addr)
@ -17,7 +22,7 @@ func ParseHost(defaultTCPAddr, defaultUnixAddr, addr string) (string, error) {
addr = fmt.Sprintf("unix://%s", defaultUnixAddr)
} else {
// Note - defaultTCPAddr already includes tcp:// prefix
addr = fmt.Sprintf("%s", defaultTCPAddr)
addr = defaultTCPAddr
}
}
addrParts := strings.Split(addr, "://")
@ -37,6 +42,10 @@ func ParseHost(defaultTCPAddr, defaultUnixAddr, addr string) (string, error) {
}
}
// ParseUnixAddr parses and validates that the specified address is a valid UNIX
// socket address. It returns a formatted UNIX socket address, either using the
// address parsed from addr, or the contents of defaultAddr if addr is a blank
// string.
func ParseUnixAddr(addr string, defaultAddr string) (string, error) {
addr = strings.TrimPrefix(addr, "unix://")
if strings.Contains(addr, "://") {
@ -48,6 +57,9 @@ func ParseUnixAddr(addr string, defaultAddr string) (string, error) {
return fmt.Sprintf("unix://%s", addr), nil
}
// ParseTCPAddr parses and validates that the specified address is a valid TCP
// address. It returns a formatted TCP address, either using the address parsed
// from addr, or the contents of defaultAddr if addr is a blank string.
func ParseTCPAddr(addr string, defaultAddr string) (string, error) {
addr = strings.TrimPrefix(addr, "tcp://")
if strings.Contains(addr, "://") || addr == "" {
@ -74,7 +86,7 @@ func ParseTCPAddr(addr string, defaultAddr string) (string, error) {
return fmt.Sprintf("tcp://%s:%d%s", host, p, u.Path), nil
}
// Get a repos name and returns the right reposName + tag|digest
// ParseRepositoryTag gets a repos name and returns the right reposName + tag|digest
// The tag can be confusing because of a port in a repository name.
// Ex: localhost.localdomain:5000/samalba/hipache:latest
// Digest ex: localhost:5000/foo/bar@sha256:bc8813ea7b3603864987522f02a76101c17ad122e1c46d790efc0fca78ca7bfb
@ -94,6 +106,8 @@ func ParseRepositoryTag(repos string) (string, string) {
return repos, ""
}
// PartParser parses and validates the specified string (data) using the specified template
// e.g. ip:public:private -> 192.168.0.1:80:8000
func PartParser(template, data string) (map[string]string, error) {
// ip:public:private
var (
@ -115,6 +129,7 @@ func PartParser(template, data string) (map[string]string, error) {
return out, nil
}
// ParseKeyValueOpt parses and validates the specified string as a key/value pair (key=value)
func ParseKeyValueOpt(opt string) (string, string, error) {
parts := strings.SplitN(opt, "=", 2)
if len(parts) != 2 {
@ -123,6 +138,7 @@ func ParseKeyValueOpt(opt string) (string, string, error) {
return strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1]), nil
}
// ParsePortRange parses and validates the specified string as a port-range (8000-9000)
func ParsePortRange(ports string) (uint64, uint64, error) {
if ports == "" {
return 0, 0, fmt.Errorf("Empty string specified for ports.")
@ -148,6 +164,7 @@ func ParsePortRange(ports string) (uint64, uint64, error) {
return start, end, nil
}
// ParseLink parses and validates the specified string as a link format (name:alias)
func ParseLink(val string) (string, string, error) {
if val == "" {
return "", "", fmt.Errorf("empty string specified for links")