// Finalize releases all i2c devices and exported digital and pwm pins.
func (e *Adaptor) Finalize() (err error) {
for _, pin := range e.digitalPins {
if pin != nil {
if errs := pin.Unexport(); errs != nil {
err = multierror.Append(err, errs)
}
}
}
for _, pin := range e.pwmPins {
if pin != nil {
if errs := pin.enable("0"); errs != nil {
err = multierror.Append(err, errs)
}
if errs := pin.unexport(); errs != nil {
err = multierror.Append(err, errs)
}
}
}
if e.i2cDevice != nil {
if errs := e.i2cDevice.Close(); errs != nil {
err = multierror.Append(err, errs)
}
}
return
}
func FixPerms() error {
const read = 0444
var merr error
for _, file := range LogFiles {
fi, err := os.Stat(file)
if err != nil {
if !os.IsNotExist(err) {
merr = multierror.Append(merr, err)
}
continue
}
if (fi.Mode() & read) != read {
err = os.Chmod(fi.Name(), fi.Mode()|read)
if err != nil {
merr = multierror.Append(merr, err)
}
}
}
return merr
}
func (c *callbacks) call(ident string) (err error) {
c.mu.Lock()
fns, ok := c.m[ident]
delete(c.m, ident)
c.mu.Unlock()
if !ok {
return nil
}
for i := range fns {
// Start executing from callbacks from the newest to the oldest (like defer).
fn := fns[len(fns)-i-1]
// Ensure panic in a callback does not break executing other callbacks.
func(fn func() error) {
defer func() {
if v := recover(); v != nil {
e, ok := v.(error)
if !ok {
e = fmt.Errorf("%v", v)
}
err = multierror.Append(err, e)
}
}()
if e := fn(); e != nil {
err = multierror.Append(err, e)
}
}(fn)
}
return err
}
// Connect initializes the Edison for use with the Arduino beakout board
func (e *Adaptor) Connect() (err error) {
e.digitalPins = make(map[int]sysfs.DigitalPin)
e.pwmPins = make(map[int]*pwmPin)
switch e.Board() {
case "sparkfun":
e.pinmap = sparkfunPinMap
if errs := e.sparkfunSetup(); errs != nil {
err = multierror.Append(err, errs)
}
case "arduino":
e.pinmap = arduinoPinMap
if errs := e.arduinoSetup(); errs != nil {
err = multierror.Append(err, errs)
}
case "miniboard":
e.pinmap = miniboardPinMap
if errs := e.miniboardSetup(); errs != nil {
err = multierror.Append(err, errs)
}
default:
errs := errors.New("Unknown board type: " + e.Board())
err = multierror.Append(err, errs)
}
return
}
func parseRawBool(key string, hcltree *hclObj.Object, errors *multierror.Error) bool {
if rawValue := hcltree.Get(key, false); rawValue != nil {
if rawValue.Type != hclObj.ValueTypeBool {
errors = multierror.Append(errors, fmt.Errorf("Invalid type assigned to property: %s. Expected string type, Found %s", key, rawValue.Type))
} else {
return rawValue.Value.(bool)
}
} else {
errors = multierror.Append(errors, fmt.Errorf("Property: %s not specified in the configuration", key))
}
return false
}
// Stop stops a Robot's connections and Devices
func (r *Robot) Stop() error {
var result error
log.Println("Stopping Robot", r.Name, "...")
err := r.Devices().Halt()
if err != nil {
result = multierror.Append(result, err)
}
err = r.Connections().Finalize()
if err != nil {
result = multierror.Append(result, err)
}
r.done <- true
return result
}
// Finalize closes connection to board and pins
func (c *Adaptor) Finalize() (err error) {
for _, pin := range c.digitalPins {
if pin != nil {
if e := pin.Unexport(); e != nil {
err = multierror.Append(err, e)
}
}
}
if c.i2cDevice != nil {
if e := c.i2cDevice.Close(); e != nil {
err = multierror.Append(err, e)
}
}
return
}
func TestMasterFinalizeErrors(t *testing.T) {
g := initTestMaster1Robot()
e := errors.New("adaptor finalize error 2")
testAdaptorFinalize = func() (err error) {
return e
}
var expected error
expected = multierror.Append(expected, e)
expected = multierror.Append(expected, e)
expected = multierror.Append(expected, e)
gobottest.Assert(t, g.Start(), nil)
gobottest.Assert(t, g.Stop(), expected)
}
func parseMaxExecutions(jobNode *hclObj.Object, errors *multierror.Error) string {
if rawCron := jobNode.Get("max_executions", false); rawCron != nil {
if rawCron.Len() > 1 {
errors = multierror.Append(errors, fmt.Errorf("max_executions was specified more than once"))
} else {
if rawCron.Type != hclObj.ValueTypeString {
errors = multierror.Append(errors, fmt.Errorf("max_executions was specified as an invalid type - expected string, found %s", rawCron.Type))
} else {
return rawCron.Value.(string)
}
}
} else {
errors = multierror.Append(errors, fmt.Errorf("No max_executions was specified in the configuration"))
}
return ""
}
func parseJob(jobNode *hclObj.Object, errors *multierror.Error) JobConfig {
config := JobConfig{}
if jobNode.Len() > 1 {
errors = multierror.Append(errors, fmt.Errorf("job was specified more than once"))
} else {
if jobNode.Type != hclObj.ValueTypeObject {
errors = multierror.Append(errors, fmt.Errorf("job was specified as an invalid type - expected object, found %s", jobNode.Type))
} else {
config.Name = jobNode.Key
config.Trigger = parseJobTrigger(jobNode, errors)
config.Exec = parseExec(jobNode, errors)
}
}
return config
}
// Exit causes as much of the Remotes struct to shutdown as quickly and as
// cleanly as possible. It only returns once everything is shutdown.
func (obj *Remotes) Exit() error {
obj.lock.Lock()
obj.exiting = true // don't spawn new ones once this flag is set!
obj.lock.Unlock()
close(obj.exitChan)
var reterr error
for _, f := range obj.remotes {
sshobj, exists := obj.sshmap[f]
if !exists || sshobj == nil {
continue
}
// TODO: should we run these as go routines?
if err := sshobj.Stop(); err != nil {
err = errwrap.Wrapf(err, "Remote: Error stopping!")
reterr = multierr.Append(reterr, err) // list of errors
}
}
if obj.callbackCancelFunc != nil {
obj.callbackCancelFunc() // cancel our callback
}
defer obj.cuid.Unregister()
obj.wg.Wait() // wait for everyone to exit
return reterr
}
func (auth *GitHubAuthFlag) Validate() error {
var errs *multierror.Error
if auth.ClientID == "" || auth.ClientSecret == "" {
errs = multierror.Append(
errs,
errors.New("must specify --github-auth-client-id and --github-auth-client-secret to use GitHub OAuth."),
)
}
if len(auth.Organizations) == 0 && len(auth.Teams) == 0 && len(auth.Users) == 0 {
errs = multierror.Append(
errs,
errors.New("at least one of the following is required for github-auth: organizations, teams, users."),
)
}
return errs.ErrorOrNil()
}
func OpenPubKey(location string) (types.ACIdentifier, *os.File, error) {
if app := tryAppFromString(location); app != nil {
// Proper ACIdentifier given, let's do the discovery
// TODO: hostHeaders, insecure
if pks, _, err := discovery.DiscoverPublicKeys(*app, nil, 0); err != nil {
return app.Name, nil, err
} else {
// We assume multiple returned keys are alternatives, not
// multiple different valid keychains.
var err error
for _, keyurl := range pks {
if keyf, er1 := OpenLocation(keyurl); er1 != nil {
err = multierror.Append(err, er1)
} else {
return app.Name, keyf, nil
}
}
// All keys erred
return app.Name, nil, err
}
} else {
// Not an ACIdentifier, let's open as raw location
f, err := OpenLocation(location)
return "", f, err
}
}
func parseVersion(hcltree *hclObj.Object, errors *multierror.Error) string {
if rawVersion := hcltree.Get("version", false); rawVersion != nil {
if rawVersion.Len() > 1 {
errors = multierror.Append(errors, fmt.Errorf("Version was specified more than once"))
} else {
if rawVersion.Type != hclObj.ValueTypeString {
errors = multierror.Append(errors, fmt.Errorf("Version was specified as an invalid type - expected string, found %s", rawVersion.Type))
} else {
return rawVersion.Value.(string)
}
}
} else {
errors = multierror.Append(errors, fmt.Errorf("No version was specified in the configuration"))
}
return "*** Error"
}
func deleteSecurityGroupRules(d *schema.ResourceData, meta interface{}, rules *schema.Set, ors *schema.Set) error {
var errs *multierror.Error
var wg sync.WaitGroup
wg.Add(ors.Len())
sem := make(chan struct{}, d.Get("parallelism").(int))
for _, rule := range ors.List() {
// Put a sleep here to avoid DoS'ing the API
time.Sleep(500 * time.Millisecond)
go func(rule map[string]interface{}) {
defer wg.Done()
sem <- struct{}{}
// Create a single rule
err := deleteSecurityGroupRule(d, meta, rule)
if err != nil {
errs = multierror.Append(errs, err)
}
// If we have at least one UUID, we need to save the rule
if len(rule["uuids"].(map[string]interface{})) > 0 {
rules.Add(rule)
}
<-sem
}(rule.(map[string]interface{}))
}
wg.Wait()
return errs.ErrorOrNil()
}
func TestMqttAdaptorConnect(t *testing.T) {
a := initTestMqttAdaptor()
var expected error
expected = multierror.Append(expected, errors.New("Network Error : Unknown protocol"))
gobottest.Assert(t, a.Connect(), expected)
}
func (auth *BasicAuthFlag) Validate() error {
var errs *multierror.Error
if auth.Username == "" {
errs = multierror.Append(
errs,
errors.New("must specify --basic-auth-username to use basic auth."),
)
}
if auth.Password == "" {
errs = multierror.Append(
errs,
errors.New("must specify --basic-auth-password to use basic auth."),
)
}
return errs.ErrorOrNil()
}
// Finalize calls Finalize on each Connection in c
func (c *Connections) Finalize() (err error) {
for _, connection := range *c {
if cerr := connection.Finalize(); cerr != nil {
err = multierror.Append(err, cerr)
}
}
return err
}
// Halt calls Halt on each Device in d
func (d *Devices) Halt() (err error) {
for _, device := range *d {
if derr := device.Halt(); derr != nil {
err = multierror.Append(err, derr)
}
}
return err
}
// Connect returns true if connection to mqtt is established
func (a *Adaptor) Connect() (err error) {
a.client = paho.NewClient(createClientOptions(a.clientID, a.Host, a.username, a.password))
if token := a.client.Connect(); token.Wait() && token.Error() != nil {
err = multierror.Append(err, token.Error())
}
return
}
func TestMasterStartDriverErrors(t *testing.T) {
g := initTestMaster1Robot()
e := errors.New("driver start error 1")
testDriverStart = func() (err error) {
return e
}
var expected error
expected = multierror.Append(expected, e)
expected = multierror.Append(expected, e)
expected = multierror.Append(expected, e)
gobottest.Assert(t, g.Start(), expected)
gobottest.Assert(t, g.Stop(), nil)
testDriverStart = func() (err error) { return }
}
// Validate the confifugration file
func Validate(c *qubot.Config) error {
var result error
if c.Database == nil {
result = multierror.Append(result, fmt.Errorf("'database' configuration section is missing"))
}
if c.Slack == nil {
result = multierror.Append(result, fmt.Errorf("'slack' configuration section is missing"))
}
if c.Redmine == nil {
result = multierror.Append(result, fmt.Errorf("'redmine' configuration section is missing"))
}
if c.Slack != nil {
if c.Slack.Nickname == "" {
result = multierror.Append(result, fmt.Errorf("slack: nickname is required"))
}
if c.Slack.Key == "" {
result = multierror.Append(result, fmt.Errorf("slack: key is required"))
}
}
if c.Redmine != nil {
if c.Redmine.URL == "" {
result = multierror.Append(result, fmt.Errorf("redmine: url is required"))
}
if c.Redmine.Key == "" {
result = multierror.Append(result, fmt.Errorf("redmine: key is required"))
}
}
return result
}
// Stop calls the Stop method of each Robot in the collection
func (r *Robots) Stop() (err error) {
for _, robot := range *r {
if rerr := robot.Stop(); rerr != nil {
err = multierror.Append(err, rerr)
return
}
}
return
}
func keyringErrorsOrNil(responses []*structs.KeyringResponse) error {
var errs error
for _, response := range responses {
if response.Error != "" {
errs = multierror.Append(errs, fmt.Errorf(response.Error))
}
}
return errs
}
func parseRawObject(key string, hcltree *hclObj.Object, errors *multierror.Error) (apisOut []*hclObj.Object) {
if apis := hcltree.Get(key, false); apis != nil {
for _, api := range apis.Elem(true) {
apisOut = append(apisOut, api)
}
} else {
errors = multierror.Append(errors, fmt.Errorf("No job_store was specified in the configuration"))
}
return apisOut
}
// validateRole contacts Vault and checks that the given Vault role is valid for
// the purposes of being used by Nomad
func (v *vaultClient) validateRole(role string) error {
if role == "" {
return fmt.Errorf("Invalid empty role name")
}
// Validate the role
rsecret, err := v.client.Logical().Read(fmt.Sprintf("auth/token/roles/%s", role))
if err != nil {
return fmt.Errorf("failed to lookup role %q: %v", role, err)
}
// Read and parse the fields
var data struct {
ExplicitMaxTtl int `mapstructure:"explicit_max_ttl"`
Orphan bool
Period int
Renewable bool
}
if err := mapstructure.WeakDecode(rsecret.Data, &data); err != nil {
return fmt.Errorf("failed to parse Vault role's data block: %v", err)
}
// Validate the role is acceptable
var mErr multierror.Error
if data.Orphan {
multierror.Append(&mErr, fmt.Errorf("Role must not allow orphans"))
}
if !data.Renewable {
multierror.Append(&mErr, fmt.Errorf("Role must allow tokens to be renewed"))
}
if data.ExplicitMaxTtl != 0 {
multierror.Append(&mErr, fmt.Errorf("Role can not use an explicit max ttl. Token must be periodic."))
}
if data.Period == 0 {
multierror.Append(&mErr, fmt.Errorf("Role must have a non-zero period to make tokens periodic."))
}
return mErr.ErrorOrNil()
}
func discoverACI(app discovery.App, asc *os.File) (*os.File, *os.File, error) {
var aci *os.File
// TODO: hostHeaders, insecure
if eps, _, err := discovery.DiscoverACIEndpoints(app, nil, 0); err != nil {
return nil, nil, err
} else {
var err error
if asc == nil {
err = nil
for _, ep := range eps {
if af, er1 := OpenLocation(ep.ASC); er1 != nil {
err = multierror.Append(err, er1)
} else {
asc = af
break
}
}
if err != nil {
return nil, nil, err
}
}
err = nil
for _, ep := range eps {
if af, er1 := OpenLocation(ep.ACI); er1 != nil {
err = multierror.Append(err, er1)
} else {
aci = af
break
}
if aci == nil {
if asc != nil {
asc.Close()
}
return nil, nil, err
}
}
return aci, asc, nil
}
}
func parseJobStore(hcltree *hclObj.Object, errors *multierror.Error) []string {
hosts := make([]string, 0)
if jobStore := hcltree.Get("job_store", false); jobStore != nil {
if jobStore.Len() > 1 {
errors = multierror.Append(errors, fmt.Errorf("job_store was specified more than once"))
} else {
if jobStore.Type != hclObj.ValueTypeList {
errors = multierror.Append(errors, fmt.Errorf("job_store was specified as an invalid type - expected string, found %s", jobStore.Type))
} else {
for _, host := range jobStore.Elem(true) {
hosts = append(hosts, host.Value.(string))
}
return hosts
}
}
} else {
errors = multierror.Append(errors, fmt.Errorf("No job_store was specified in the configuration"))
}
return []string{}
}
// Finalize closes connection to board and pins
func (r *Adaptor) Finalize() (err error) {
for _, pin := range r.digitalPins {
if pin != nil {
if perr := pin.Unexport(); err != nil {
err = multierror.Append(err, perr)
}
}
}
for _, pin := range r.pwmPins {
if perr := r.piBlaster(fmt.Sprintf("release %v\n", pin)); err != nil {
err = multierror.Append(err, perr)
}
}
if r.i2cDevice != nil {
if perr := r.i2cDevice.Close(); err != nil {
err = multierror.Append(err, perr)
}
}
return
}
func parseJobs(hcltree *hclObj.Object, errors *multierror.Error) []JobConfig {
outputConfig := make([]JobConfig, 0)
if rawJobs := hcltree.Get("job", false); rawJobs != nil {
if rawJobs.Type != hclObj.ValueTypeObject {
errors = multierror.Append(errors, fmt.Errorf("job was specified as an invalid type - expected list, found %s", rawJobs.Type))
} else {
arrayJobs := rawJobs.Elem(true)
for _, job := range arrayJobs {
outputConfig = append(outputConfig, parseJob(job, errors))
}
}
} else {
if len(outputConfig) == 0 {
errors = multierror.Append(errors, fmt.Errorf("No job_store was specified in the configuration"))
}
}
return outputConfig
}
