github/containerd
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

ctr: Add helpers to database to check Linux and ARM arch

Browse Source 
On ARM platforms, we have to prepare the variant for spec.platform.
Currently, this action would only work on Linux/ARM system. We
introduce these two helpers to check running system's OS and Arch.

Change-Id: Iff14087699219413779dd6caf1bf9524db1cc19e
Signed-off-by: Wei Chen <Wei.Chen@arm.com>
This commit is contained in:
Wei Chen 2017-09-30 14:21:23 +08:00
parent 1a560540b9
commit 4355ba2f83
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
platforms/database.go
View File

@ -5,6 +5,13 @@ import (
"strings" "strings"
) )
// isLinuxOS returns true if the operating system is Linux.
//
// The OS value should be normalized before calling this function.
func isLinuxOS(os string) bool {
return os == "linux"
}
// These function are generated from from https://golang.org/src/go/build/syslist.go. // These function are generated from from https://golang.org/src/go/build/syslist.go.
// //
// We use switch statements because they are slightly faster than map lookups // We use switch statements because they are slightly faster than map lookups
@ -21,6 +28,17 @@ func isKnownOS(os string) bool {
return false return false
} }
// isArmArch returns true if the architecture is ARM.
//
// The arch value should be normalized before being passed to this function.
func isArmArch(arch string) bool {
switch arch {
case "arm", "arm64":
return true
}
return false
}
// isKnownArch returns true if we know about the architecture. // isKnownArch returns true if we know about the architecture.
// //
// The arch value should be normalized before being passed to this function. // The arch value should be normalized before being passed to this function.