Pass --ca-file to helm upgrade when applicable [#74]

internal/run/upgrade.go

@@ -20,6 +20,7 @@ type Upgrade struct {
 	Force         bool
 	Atomic        bool
 	CleanupOnFail bool
+	CAFile        string
 
 	cmd cmd
 }
@@ -82,6 +83,9 @@ func (u *Upgrade) Prepare(cfg Config) error {
 	for _, vFile := range u.ValuesFiles {
 		args = append(args, "--values", vFile)
 	}
+	if u.CAFile != "" {
+		args = append(args, "--ca-file", u.CAFile)
+	}
 
 	args = append(args, u.Release, u.Chart)
 	u.cmd = command(helmBin, args...)

internal/run/upgrade_test.go

@@ -102,6 +102,7 @@ func (suite *UpgradeTestSuite) TestPrepareWithUpgradeFlags() {
 		Force:         true,
 		Atomic:        true,
 		CleanupOnFail: true,
+		CAFile:        "local_ca.cert",
 	}
 
 	cfg := Config{}
@@ -121,6 +122,7 @@ func (suite *UpgradeTestSuite) TestPrepareWithUpgradeFlags() {
 			"--set-string", "height=5ft10in",
 			"--values", "/usr/local/stats",
 			"--values", "/usr/local/grades",
+			"--ca-file", "local_ca.cert",
 			"maroon_5_memories", "hot_ac"}, args)
 
 		return suite.mockCmd