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Fix reload test; address other PR feedback

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pull/8694/head
Paul Banks 4 years ago
parent 54a33efa4b
commit f6d55e1d25
No known key found for this signature in database
GPG Key ID: C25A851A849B8221
4 changed files with 34 additions and 27 deletions
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4
agent/agent.go
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@ -290,7 +290,6 @@ type Agent struct {
// IP.
httpConnLimiter connlimit.Limiter
// enterpriseAgent embeds fields that we only access in consul-enterprise builds
enterpriseAgent
}
@ -3574,6 +3573,9 @@ func (a *Agent) reloadConfigInternal(newCfg *config.RuntimeConfig) error {
a.State.SetDiscardCheckOutput(newCfg.DiscardCheckOutput)
// Reload metrics config
a.uiConfig.Store(newCfg.UIConfig)
return nil
}

46
agent/config/builder.go
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@ -1109,11 +1109,26 @@ func (b *Builder) Build() (rt RuntimeConfig, err error) {
return rt, nil
}
// reBasicName validates that a field contains only lower case alphanumerics,
// underscore and dash and is non-empty.
var reBasicName = regexp.MustCompile("^[a-z0-9_-]+$")
func validateBasicName(field, value string, allowEmpty bool) error {
if value == "" {
if allowEmpty {
return nil
}
return fmt.Errorf("%s cannot be empty", field)
}
if !reBasicName.MatchString(value) {
return fmt.Errorf("%s can only contain lowercase alphanumeric, - or _ characters."+
" received: %q", field, value)
}
return nil
}
// Validate performs semantic validation of the runtime configuration.
func (b *Builder) Validate(rt RuntimeConfig) error {
// reDatacenter defines a regexp for a valid datacenter name
var reBasicName = regexp.MustCompile("^[a-z0-9_-]+$")
var reDatacenter = reBasicName
// validContentPath defines a regexp for a valid content path name.
var validContentPath = regexp.MustCompile(`^[A-Za-z0-9/_-]+$`)
@ -1122,11 +1137,8 @@ func (b *Builder) Validate(rt RuntimeConfig) error {
// check required params we cannot recover from first
//
if rt.Datacenter == "" {
return fmt.Errorf("datacenter cannot be empty")
}
if !reDatacenter.MatchString(rt.Datacenter) {
return fmt.Errorf("datacenter cannot be %q. Please use only [a-z0-9-_]", rt.Datacenter)
if err := validateBasicName("datacenter", rt.Datacenter, false); err != nil {
return err
}
if rt.DataDir == "" && !rt.DevMode {
return fmt.Errorf("data_dir cannot be empty")
@ -1140,17 +1152,14 @@ func (b *Builder) Validate(rt RuntimeConfig) error {
return fmt.Errorf("ui-content-path cannot have 'v[0-9]'. received: %q", rt.UIConfig.ContentPath)
}
if rt.UIConfig.MetricsProvider != "" &&
!reBasicName.MatchString(rt.UIConfig.MetricsProvider) {
return fmt.Errorf("ui_config.metrics_provider can only contain lowercase "+
"alphanumeric or _ characters. received: %q", rt.UIConfig.MetricsProvider)
if err := validateBasicName("ui_config.metrics_provider", rt.UIConfig.MetricsProvider, true); err != nil {
return err
}
if rt.UIConfig.MetricsProviderOptionsJSON != "" {
// Attempt to parse the JSON to ensure it's valid, parsing into a map
// ensures we get an object.
var dummyMap map[string]interface{}
err := json.Unmarshal([]byte(rt.UIConfig.MetricsProviderOptionsJSON),
&dummyMap)
err := json.Unmarshal([]byte(rt.UIConfig.MetricsProviderOptionsJSON), &dummyMap)
if err != nil {
return fmt.Errorf("ui_config.metrics_provider_options_json must be empty "+
"or a string containing a valid JSON object. received: %q",
@ -1166,9 +1175,8 @@ func (b *Builder) Validate(rt RuntimeConfig) error {
}
}
for k, v := range rt.UIConfig.DashboardURLTemplates {
if !reBasicName.MatchString(k) {
return fmt.Errorf("ui_config.dashboard_url_templates key names can only "+
"contain lowercase alphanumeric or _ characters. received: %q", k)
if err := validateBasicName("ui_config.dashboard_url_templates key names", k, false); err != nil {
return err
}
u, err := url.Parse(v)
if err != nil || !(u.Scheme == "http" || u.Scheme == "https") {
@ -1247,8 +1255,8 @@ func (b *Builder) Validate(rt RuntimeConfig) error {
if rt.AutopilotMaxTrailingLogs < 0 {
return fmt.Errorf("autopilot.max_trailing_logs cannot be %d. Must be greater than or equal to zero", rt.AutopilotMaxTrailingLogs)
}
if rt.ACLDatacenter != "" && !reDatacenter.MatchString(rt.ACLDatacenter) {
return fmt.Errorf("acl_datacenter cannot be %q. Please use only [a-z0-9-_]", rt.ACLDatacenter)
if err := validateBasicName("acl_datacenter", rt.ACLDatacenter, true); err != nil {
return err
}
// In DevMode, UI is enabled by default, so to enable rt.UIDir, don't perform this check
if !rt.DevMode && rt.UIConfig.Enabled && rt.UIConfig.Dir != "" {

8
agent/config/runtime_test.go
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@ -1712,7 +1712,7 @@ func TestBuilder_BuildAndValide_ConfigFlagsAndEdgecases(t *testing.T) {
},
json: []string{`{ "acl_datacenter": "%" }`},
hcl: []string{`acl_datacenter = "%"`},
err: `acl_datacenter cannot be "%". Please use only [a-z0-9-_]`,
err: `acl_datacenter can only contain lowercase alphanumeric, - or _ characters.`,
warns: []string{`The 'acl_datacenter' field is deprecated. Use the 'primary_datacenter' field instead.`},
},
{
@ -1881,7 +1881,7 @@ func TestBuilder_BuildAndValide_ConfigFlagsAndEdgecases(t *testing.T) {
args: []string{`-data-dir=` + dataDir},
json: []string{`{ "datacenter": "%" }`},
hcl: []string{`datacenter = "%"`},
err: `datacenter cannot be "%". Please use only [a-z0-9-_]`,
err: `datacenter can only contain lowercase alphanumeric, - or _ characters.`,
},
{
desc: "dns does not allow socket",
@ -4306,7 +4306,7 @@ func TestBuilder_BuildAndValide_ConfigFlagsAndEdgecases(t *testing.T) {
metrics_provider = "((((lisp 4 life))))"
}
`},
err: `ui_config.metrics_provider can only contain lowercase alphanumeric or _ characters.`,
err: `ui_config.metrics_provider can only contain lowercase alphanumeric, - or _ characters.`,
},
{
desc: "metrics_provider_options_json invalid JSON",
@ -4393,7 +4393,7 @@ func TestBuilder_BuildAndValide_ConfigFlagsAndEdgecases(t *testing.T) {
}
}
`},
err: `ui_config.dashboard_url_templates key names can only contain lowercase alphanumeric or _ characters.`,
err: `ui_config.dashboard_url_templates key names can only contain lowercase alphanumeric, - or _ characters.`,
},
{
desc: "dashboard_url_templates value format",

3
agent/http.go
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@ -29,7 +29,6 @@ import (
"github.com/hashicorp/go-cleanhttp"
"github.com/mitchellh/mapstructure"
"github.com/pkg/errors"
"github.com/ryboe/q"
)
// MethodNotAllowedError should be returned by a handler when the HTTP method is not allowed.
@ -170,7 +169,6 @@ func (fs *settingsInjectedIndexFS) Open(name string) (http.File, error) {
}
content, err := ioutil.ReadAll(file)
q.Q(err)
if err != nil {
return nil, fmt.Errorf("failed reading index.html: %s", err)
}
@ -184,7 +182,6 @@ func (fs *settingsInjectedIndexFS) Open(name string) (http.File, error) {
// First built an escaped, JSON blob from the settings passed.
bs, err := json.Marshal(fs.UISettings)
q.Q(string(bs))
if err != nil {
return nil, fmt.Errorf("failed marshalling UI settings JSON: %s", err)
}

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