homelab/traefik
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Factorize labels

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* refactor(accesslog): factorize file name.
* traefik.frontend.rule
* traefik.frontend.value
* traefik.backend.circuitbreaker.expression
* traefik.enable
* traefik.backend.loadbalancer.method
* traefik.backend.loadbalancer.sticky
* traefik.backend.maxconn.amount
* traefik.backend.maxconn.extractorfunc
* traefik.port
* traefik.tags
* traefik.backend
* traefik.weight
* traefik.domain
* traefik.protocol
* traefik.frontend.passHostHeader
* traefik.frontend.whitelistSourceRange
* traefik.frontend.priority
* traefik.frontend.entryPoints
* traefik.frontend.auth.basic
* traefik.backend.id
* traefik.backend.circuitbreaker
* traefik.frontend.rule.type
* traefik.portIndex
* refactor(docker): specific labels
* refactor(rancher): specific labels
* traefik.backend.healthcheck.*
* refactor(providers): factorize labels.
This commit is contained in:
Ludovic Fernandez 2017-07-10 16:58:12 +02:00 • committed by SALLEYRON Julien
parent 2e84b1e556
commit d653a348b1
20 changed files with 390 additions and 330 deletions
Download patch file Download diff file Expand all files Collapse all files

65
provider/docker/docker.go
View file

@ -35,6 +35,11 @@ const (
SwarmAPIVersion string = "1.24"
// SwarmDefaultWatchTime is the duration of the interval when polling docker
SwarmDefaultWatchTime = 15 * time.Second
labelDockerNetwork = "traefik.docker.network"
labelBackendLoadbalancerSwarm = "traefik.backend.loadbalancer.swarm"
labelDockerComposeProject = "com.docker.compose.project"
labelDockerComposeService = "com.docker.compose.service"
)
var _ provider.Provider = (*Provider)(nil)
@ -319,7 +324,7 @@ func (p *Provider) loadDockerConfig(containersInspected []dockerData) *types.Con
}
func (p *Provider) hasCircuitBreakerLabel(container dockerData) bool {
if _, err := getLabel(container, "traefik.backend.circuitbreaker.expression"); err != nil {
if _, err := getLabel(container, types.LabelBackendCircuitbreakerExpression); err != nil {
return false
}
return true
@ -455,8 +460,8 @@ func (p *Provider) getServiceProtocol(container dockerData, serviceName string)
}
func (p *Provider) hasLoadBalancerLabel(container dockerData) bool {
_, errMethod := getLabel(container, "traefik.backend.loadbalancer.method")
_, errSticky := getLabel(container, "traefik.backend.loadbalancer.sticky")
_, errMethod := getLabel(container, types.LabelBackendLoadbalancerMethod)
_, errSticky := getLabel(container, types.LabelBackendLoadbalancerSticky)
if errMethod != nil && errSticky != nil {
return false
}
@ -464,31 +469,31 @@ func (p *Provider) hasLoadBalancerLabel(container dockerData) bool {
}
func (p *Provider) hasMaxConnLabels(container dockerData) bool {
if _, err := getLabel(container, "traefik.backend.maxconn.amount"); err != nil {
if _, err := getLabel(container, types.LabelBackendMaxconnAmount); err != nil {
return false
}
if _, err := getLabel(container, "traefik.backend.maxconn.extractorfunc"); err != nil {
if _, err := getLabel(container, types.LabelBackendMaxconnExtractorfunc); err != nil {
return false
}
return true
}
func (p *Provider) getCircuitBreakerExpression(container dockerData) string {
if label, err := getLabel(container, "traefik.backend.circuitbreaker.expression"); err == nil {
if label, err := getLabel(container, types.LabelBackendCircuitbreakerExpression); err == nil {
return label
}
return "NetworkErrorRatio() > 1"
}
func (p *Provider) getLoadBalancerMethod(container dockerData) string {
if label, err := getLabel(container, "traefik.backend.loadbalancer.method"); err == nil {
if label, err := getLabel(container, types.LabelBackendLoadbalancerMethod); err == nil {
return label
}
return "wrr"
}
func (p *Provider) getMaxConnAmount(container dockerData) int64 {
if label, err := getLabel(container, "traefik.backend.maxconn.amount"); err == nil {
if label, err := getLabel(container, types.LabelBackendMaxconnAmount); err == nil {
i, errConv := strconv.ParseInt(label, 10, 64)
if errConv != nil {
log.Errorf("Unable to parse traefik.backend.maxconn.amount %s", label)
@ -500,14 +505,14 @@ func (p *Provider) getMaxConnAmount(container dockerData) int64 {
}
func (p *Provider) getMaxConnExtractorFunc(container dockerData) string {
if label, err := getLabel(container, "traefik.backend.maxconn.extractorfunc"); err == nil {
if label, err := getLabel(container, types.LabelBackendMaxconnExtractorfunc); err == nil {
return label
}
return "request.host"
}
func (p *Provider) containerFilter(container dockerData) bool {
_, err := strconv.Atoi(container.Labels["traefik.port"])
_, err := strconv.Atoi(container.Labels[types.LabelPort])
if len(container.NetworkSettings.Ports) == 0 && err != nil {
log.Debugf("Filtering container without port and no traefik.port label %s", container.Name)
return false
@ -518,7 +523,7 @@ func (p *Provider) containerFilter(container dockerData) bool {
return false
}
constraintTags := strings.Split(container.Labels["traefik.tags"], ",")
constraintTags := strings.Split(container.Labels[types.LabelTags], ",")
if ok, failingConstraint := p.MatchConstraints(constraintTags); !ok {
if failingConstraint != nil {
log.Debugf("Container %v pruned by '%v' constraint", container.Name, failingConstraint.String())
@ -547,11 +552,11 @@ func (p *Provider) getFrontendName(container dockerData) string {
// GetFrontendRule returns the frontend rule for the specified container, using
// it's label. It returns a default one (Host) if the label is not present.
func (p *Provider) getFrontendRule(container dockerData) string {
if label, err := getLabel(container, "traefik.frontend.rule"); err == nil {
if label, err := getLabel(container, types.LabelFrontendRule); err == nil {
return label
}
if labels, err := getLabels(container, []string{"com.docker.compose.project", "com.docker.compose.service"}); err == nil {
return "Host:" + p.getSubDomain(labels["com.docker.compose.service"]+"."+labels["com.docker.compose.project"]) + "." + p.Domain
if labels, err := getLabels(container, []string{labelDockerComposeProject, labelDockerComposeService}); err == nil {
return "Host:" + p.getSubDomain(labels[labelDockerComposeService]+"."+labels[labelDockerComposeProject]) + "." + p.Domain
}
if len(p.Domain) > 0 {
return "Host:" + p.getSubDomain(container.ServiceName) + "." + p.Domain
@ -560,17 +565,17 @@ func (p *Provider) getFrontendRule(container dockerData) string {
}
func (p *Provider) getBackend(container dockerData) string {
if label, err := getLabel(container, "traefik.backend"); err == nil {
if label, err := getLabel(container, types.LabelBackend); err == nil {
return provider.Normalize(label)
}
if labels, err := getLabels(container, []string{"com.docker.compose.project", "com.docker.compose.service"}); err == nil {
return provider.Normalize(labels["com.docker.compose.service"] + "_" + labels["com.docker.compose.project"])
if labels, err := getLabels(container, []string{labelDockerComposeProject, labelDockerComposeService}); err == nil {
return provider.Normalize(labels[labelDockerComposeService] + "_" + labels[labelDockerComposeProject])
}
return provider.Normalize(container.ServiceName)
}
func (p *Provider) getIPAddress(container dockerData) string {
if label, err := getLabel(container, "traefik.docker.network"); err == nil && label != "" {
if label, err := getLabel(container, labelDockerNetwork); err == nil && label != "" {
networkSettings := container.NetworkSettings
if networkSettings.Networks != nil {
network := networkSettings.Networks[label]
@ -606,7 +611,7 @@ func (p *Provider) getIPAddress(container dockerData) string {
}
func (p *Provider) getPort(container dockerData) string {
if label, err := getLabel(container, "traefik.port"); err == nil {
if label, err := getLabel(container, types.LabelPort); err == nil {
return label
}
@ -630,42 +635,42 @@ func (p *Provider) getPort(container dockerData) string {
}
func (p *Provider) getWeight(container dockerData) string {
if label, err := getLabel(container, "traefik.weight"); err == nil {
if label, err := getLabel(container, types.LabelWeight); err == nil {
return label
}
return "0"
}
func (p *Provider) getSticky(container dockerData) string {
if label, err := getLabel(container, "traefik.backend.loadbalancer.sticky"); err == nil {
if label, err := getLabel(container, types.LabelBackendLoadbalancerSticky); err == nil {
return label
}
return "false"
}
func (p *Provider) getIsBackendLBSwarm(container dockerData) string {
if label, err := getLabel(container, "traefik.backend.loadbalancer.swarm"); err == nil {
if label, err := getLabel(container, labelBackendLoadbalancerSwarm); err == nil {
return label
}
return "false"
}
func (p *Provider) getDomain(container dockerData) string {
if label, err := getLabel(container, "traefik.domain"); err == nil {
if label, err := getLabel(container, types.LabelDomain); err == nil {
return label
}
return p.Domain
}
func (p *Provider) getProtocol(container dockerData) string {
if label, err := getLabel(container, "traefik.protocol"); err == nil {
if label, err := getLabel(container, types.LabelProtocol); err == nil {
return label
}
return "http"
}
func (p *Provider) getPassHostHeader(container dockerData) string {
if passHostHeader, err := getLabel(container, "traefik.frontend.passHostHeader"); err == nil {
if passHostHeader, err := getLabel(container, types.LabelFrontendPassHostHeader); err == nil {
return passHostHeader
}
return "true"
@ -674,28 +679,28 @@ func (p *Provider) getPassHostHeader(container dockerData) string {
func (p *Provider) getWhitelistSourceRange(container dockerData) []string {
var whitelistSourceRange []string
if whitelistSourceRangeLabel, err := getLabel(container, "traefik.frontend.whitelistSourceRange"); err == nil {
if whitelistSourceRangeLabel, err := getLabel(container, types.LabelTraefikFrontendWhitelistSourceRange); err == nil {
whitelistSourceRange = provider.SplitAndTrimString(whitelistSourceRangeLabel)
}
return whitelistSourceRange
}
func (p *Provider) getPriority(container dockerData) string {
if priority, err := getLabel(container, "traefik.frontend.priority"); err == nil {
if priority, err := getLabel(container, types.LabelFrontendPriority); err == nil {
return priority
}
return "0"
}
func (p *Provider) getEntryPoints(container dockerData) []string {
if entryPoints, err := getLabel(container, "traefik.frontend.entryPoints"); err == nil {
if entryPoints, err := getLabel(container, types.LabelFrontendEntryPoints); err == nil {
return strings.Split(entryPoints, ",")
}
return []string{}
}
func (p *Provider) getBasicAuth(container dockerData) []string {
if basicAuth, err := getLabel(container, "traefik.frontend.auth.basic"); err == nil {
if basicAuth, err := getLabel(container, types.LabelFrontendAuthBasic); err == nil {
return strings.Split(basicAuth, ",")
}
@ -703,7 +708,7 @@ func (p *Provider) getBasicAuth(container dockerData) []string {
}
func isContainerEnabled(container dockerData, exposedByDefault bool) bool {
return exposedByDefault && container.Labels["traefik.enable"] != "false" || container.Labels["traefik.enable"] == "true"
return exposedByDefault && container.Labels[types.LabelEnable] != "false" || container.Labels[types.LabelEnable] == "true"
}
func getLabel(container dockerData, label string) (string, error) {