IP_STATUS_FILE and routing improvements (#130)

- Obtains VPN public IP address from routing table
- Logs and writes VPN Public IP address to `/ip` as soon as VPN is up
- Obtain port forward, logs it and writes it as soon as VPN is up
- Routing fully refactored and tested
- Routing reads from `/proc/net/route`
- Routing mutates the routes using `ip route ...`

internal/routing/mockLogger_test.go

@@ -0,0 +1,126 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/qdm12/golibs/logging (interfaces: Logger)
+
+// Package routing is a generated GoMock package.
+package routing
+
+import (
+	gomock "github.com/golang/mock/gomock"
+	logging "github.com/qdm12/golibs/logging"
+	reflect "reflect"
+)
+
+// MockLogger is a mock of Logger interface
+type MockLogger struct {
+	ctrl     *gomock.Controller
+	recorder *MockLoggerMockRecorder
+}
+
+// MockLoggerMockRecorder is the mock recorder for MockLogger
+type MockLoggerMockRecorder struct {
+	mock *MockLogger
+}
+
+// NewMockLogger creates a new mock instance
+func NewMockLogger(ctrl *gomock.Controller) *MockLogger {
+	mock := &MockLogger{ctrl: ctrl}
+	mock.recorder = &MockLoggerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use
+func (m *MockLogger) EXPECT() *MockLoggerMockRecorder {
+	return m.recorder
+}
+
+// Debug mocks base method
+func (m *MockLogger) Debug(arg0 ...interface{}) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{}
+	for _, a := range arg0 {
+		varargs = append(varargs, a)
+	}
+	m.ctrl.Call(m, "Debug", varargs...)
+}
+
+// Debug indicates an expected call of Debug
+func (mr *MockLoggerMockRecorder) Debug(arg0 ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Debug", reflect.TypeOf((*MockLogger)(nil).Debug), arg0...)
+}
+
+// Error mocks base method
+func (m *MockLogger) Error(arg0 ...interface{}) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{}
+	for _, a := range arg0 {
+		varargs = append(varargs, a)
+	}
+	m.ctrl.Call(m, "Error", varargs...)
+}
+
+// Error indicates an expected call of Error
+func (mr *MockLoggerMockRecorder) Error(arg0 ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Error", reflect.TypeOf((*MockLogger)(nil).Error), arg0...)
+}
+
+// Info mocks base method
+func (m *MockLogger) Info(arg0 ...interface{}) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{}
+	for _, a := range arg0 {
+		varargs = append(varargs, a)
+	}
+	m.ctrl.Call(m, "Info", varargs...)
+}
+
+// Info indicates an expected call of Info
+func (mr *MockLoggerMockRecorder) Info(arg0 ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Info", reflect.TypeOf((*MockLogger)(nil).Info), arg0...)
+}
+
+// Sync mocks base method
+func (m *MockLogger) Sync() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Sync")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Sync indicates an expected call of Sync
+func (mr *MockLoggerMockRecorder) Sync() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Sync", reflect.TypeOf((*MockLogger)(nil).Sync))
+}
+
+// Warn mocks base method
+func (m *MockLogger) Warn(arg0 ...interface{}) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{}
+	for _, a := range arg0 {
+		varargs = append(varargs, a)
+	}
+	m.ctrl.Call(m, "Warn", varargs...)
+}
+
+// Warn indicates an expected call of Warn
+func (mr *MockLoggerMockRecorder) Warn(arg0 ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Warn", reflect.TypeOf((*MockLogger)(nil).Warn), arg0...)
+}
+
+// WithPrefix mocks base method
+func (m *MockLogger) WithPrefix(arg0 string) logging.Logger {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "WithPrefix", arg0)
+	ret0, _ := ret[0].(logging.Logger)
+	return ret0
+}
+
+// WithPrefix indicates an expected call of WithPrefix
+func (mr *MockLoggerMockRecorder) WithPrefix(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WithPrefix", reflect.TypeOf((*MockLogger)(nil).WithPrefix), arg0)
+}