Capture context from cobra CLI and pass forward (#2551)

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

pkg/fission-cli/cliwrapper/driver/cobra/cobra.go

@@ -17,6 +17,7 @@ limitations under the License.
 package cobra
 
 import (
+	"context"
 	"fmt"
 	"strings"
 	"time"
@@ -217,6 +218,10 @@ func WrapperChain(actions ...cmd.CommandAction) func(*cobra.Command, []string) e
 	}
 }
 
+func (u Cli) Context() context.Context {
+	return u.c.Context()
+}
+
 func (u Cli) IsSet(key string) bool {
 	return u.c.Flags().Changed(key)
 }

pkg/fission-cli/cliwrapper/driver/dummy/dummy.go

@@ -17,6 +17,7 @@ limitations under the License.
 package dummy
 
 import (
+	"context"
 	"time"
 
 	fCli "github.com/fission/fission/pkg/fission-cli/cliwrapper/cli"
@@ -33,6 +34,10 @@ func TestFlagSet() Cli {
 	return Cli{c: make(map[string]interface{})}
 }
 
+func (u Cli) Context() context.Context {
+	return context.TODO()
+}
+
 // Set allows to set any kinds of value with given key.
 // The type of set value should be matched with the returned
 // type of GetXXX function.