From: Alex Bennée <alex.bennee@linaro.org>
Date: Thu, 10 May 2018 09:45:55 +0000 (+0100)
Subject: docker: add "probe" command for configure
X-Git-Tag: v3.0.0-rc0~108^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=15df9d3783d80f64be3149b9120b6a086bdc210a;p=thirdparty%2Fqemu.git

docker: add "probe" command for configure

This is a helper function for the configure script. It replies yes,
sudo or no to inform the user if non-interactive docker support is
available. We trap the Exception to fail gracefully.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
---

diff --git a/tests/docker/docker.py b/tests/docker/docker.py
index 1246ba95787..f8267586eb6 100755
--- a/tests/docker/docker.py
+++ b/tests/docker/docker.py
@@ -390,6 +390,24 @@ class ImagesCommand(SubCommand):
     def run(self, args, argv):
         return Docker().command("images", argv, args.quiet)
 
+
+class ProbeCommand(SubCommand):
+    """Probe if we can run docker automatically"""
+    name = "probe"
+
+    def run(self, args, argv):
+        try:
+            docker = Docker()
+            if docker._command[0] == "docker":
+                print "yes"
+            elif docker._command[0] == "sudo":
+                print "sudo"
+        except Exception:
+            print "no"
+
+        return
+
+
 def main():
     parser = argparse.ArgumentParser(description="A Docker helper",
             usage="%s <subcommand> ..." % os.path.basename(sys.argv[0]))