[FAB-10545] extended peer runner for some e2e tests

added the option to pass env vars that are needed for
private data e2e tests (leader election flags) and also
added a function that allows to get channel info which
will be used in some e2e tests.

Change-Id: If2de895329f6aa53f7f47d945225fd31d4f1da5f
Signed-off-by: nirro <nirro@il.ibm.com>

Author: nirrozenbaum

integration/runner/peer.go

@@ -107,6 +107,19 @@ func (p *Peer) CreateChannel(channel string, filename string, orderer string) *g
 	return r
 }
 
+func (p *Peer) GetChannelInfo(channel string) *ginkgomon.Runner {
+	cmd := exec.Command(p.Path, "channel", "getinfo", "-c", channel)
+	p.setupEnvironment(cmd)
+
+	r := ginkgomon.New(ginkgomon.Config{
+		Name:          "channel get info",
+		AnsiColorCode: "4;35m",
+		Command:       cmd,
+	})
+
+	return r
+}
+
 func (p *Peer) FetchChannel(channel string, filename string, block string, orderer string) *ginkgomon.Runner {
 	cmd := exec.Command(p.Path, "channel", "fetch", block, "-c", channel, "-o", orderer, filename)
 	p.setupEnvironment(cmd)