FAB-16544 Homogenize orderer endpoint overrides

This CR is meant to bring the config between master and release-1.4
inline.  It adds the caCertsFile to the sample config, and additionally
tweaks the way errors are handled in the config processing to match
feedback which was incorporated into the master CRs.

Signed-off-by: Jason Yellick <jyellick@us.ibm.com>
Change-Id: Ibf3c21489bd81cf0434a3ec457180e1ddf95aa56

core/peer/config.go

@@ -279,9 +279,17 @@ func GetOrdererAddressOverrides() (map[string]*comm.OrdererEndpoint, error) {
 	if len(overrides) > 0 {
 		overrideMap = make(map[string]*comm.OrdererEndpoint)
 		for _, override := range overrides {
+			if override.CACertsFile == "" {
+				overrideMap[override.From] = &comm.OrdererEndpoint{
+					Address: override.To,
+				}
+				continue
+			}
+
 			pem, err := ioutil.ReadFile(override.CACertsFile)
 			if err != nil {
-				return nil, errors.WithMessage(err, fmt.Sprintf("could not read file '%s' specified for caCertsFile of orderer endpoint override from '%s' to '%s'", override.CACertsFile, override.From, override.To))
+				logger.Warningf("could not read file '%s' specified for caCertsFile of orderer endpoint override from '%s' to '%s', skipping: %s", override.CACertsFile, override.From, override.To, err)
+				continue
 			}
 
 			overrideMap[override.From] = &comm.OrdererEndpoint{

core/peer/config_test.go

@@ -325,9 +325,11 @@ func TestGetOrdererAddressOverrides(t *testing.T) {
   peer:
     deliveryclient:
       addressOverrides:
-        - from: myaddress
-          to: youraddress
-          caCertsFile: testdata/Org1-cert.pem
+        - from: myaddress0
+          to: youraddress0
+        - from: myaddress1
+          to: youraddress1
+          caCertsFile: testdata/missing.pem
         - from: myaddress2
           to: youraddress2
           caCertsFile: testdata/Org1-cert.pem`
@@ -339,22 +341,8 @@ func TestGetOrdererAddressOverrides(t *testing.T) {
 	}
 
 	expected := map[string]*comm.OrdererEndpoint{
-		"myaddress": {
-			Address: "youraddress",
-			PEMs: []byte(`-----BEGIN CERTIFICATE-----
-MIIB8TCCAZegAwIBAgIQU59imQ+xl+FmwuiFyUgFezAKBggqhkjOPQQDAjBYMQsw
-CQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNU2FuIEZy
-YW5jaXNjbzENMAsGA1UEChMET3JnMTENMAsGA1UEAxMET3JnMTAeFw0xNzA1MDgw
-OTMwMzRaFw0yNzA1MDYwOTMwMzRaMFgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpD
-YWxpZm9ybmlhMRYwFAYDVQQHEw1TYW4gRnJhbmNpc2NvMQ0wCwYDVQQKEwRPcmcx
-MQ0wCwYDVQQDEwRPcmcxMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEFkpP6EqE
-87ghFi25UWLvgPatxDiYKYaVSPvpo/XDJ0+9uUmK/C2r5Bvvxx1t8eTROwN77tEK
-r+jbJIxX3ZYQMKNDMEEwDgYDVR0PAQH/BAQDAgGmMA8GA1UdJQQIMAYGBFUdJQAw
-DwYDVR0TAQH/BAUwAwEB/zANBgNVHQ4EBgQEAQIDBDAKBggqhkjOPQQDAgNIADBF
-AiEA1Xkrpq+wrmfVVuY12dJfMQlSx+v0Q3cYce9BE1i2mioCIAzqyduK/lHPI81b
-nWiU9JF9dRQ69dEV9dxd/gzamfFU
------END CERTIFICATE-----
-`),
+		"myaddress0": {
+			Address: "youraddress0",
 		},
 		"myaddress2": {
 			Address: "youraddress2",

sampleconfig/core.yaml

@@ -333,8 +333,10 @@ peer:
         addressOverrides:
         #  - from:
         #    to:
+        #    caCertsFile:
         #  - from:
         #    to:
+        #    caCertsFile:
 
     # Type for the local MSP - by default it's of type bccsp
     localMspType: bccsp