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Code Issues Releases Activity

suppress messages on docker events check

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This commit is contained in:
Umputun 2021-04-16 17:36:57 -05:00
parent 7f991b1e18
commit b667720cc3
1 changed files with 29 additions and 13 deletions
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42
app/discovery/provider/docker.go
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@ -62,7 +62,7 @@ func (d *Docker) Events(ctx context.Context) (res <-chan discovery.ProviderID) {
// List all containers and make url mappers
// If AutoAPI enabled all each container and set all params, if not - allow only container with reproxy.* labels
func (d *Docker) List() ([]discovery.URLMapper, error) {
containers, err := d.listContainers()
containers, err := d.listContainers(true)
if err != nil {
return nil, err
}
@ -182,7 +182,7 @@ func (d *Docker) events(ctx context.Context, eventsCh chan<- discovery.ProviderI
saved := make(map[string]containerInfo)
update := func() {
containers, err := d.listContainers()
containers, err := d.listContainers(false)
if err != nil {
log.Printf("[ERROR] failed to fetch running containers: %s", err)
return
@ -224,46 +224,62 @@ func (d *Docker) events(ctx context.Context, eventsCh chan<- discovery.ProviderI
}
}
func (d *Docker) listContainers() (res []containerInfo, err error) {
func (d *Docker) listContainers(allowLogging bool) (res []containerInfo, err error) {
containers, err := d.DockerClient.ListContainers()
if err != nil {
return nil, fmt.Errorf("can't list containers: %w", err)
}
log.Printf("[DEBUG] total containers = %d", len(containers))
if allowLogging {
log.Printf("[DEBUG] total containers = %d", len(containers))
}
for _, c := range containers {
if c.State != "running" {
log.Printf("[DEBUG] skip container %s due to state %s", c.Name, c.State)
if allowLogging {
log.Printf("[DEBUG] skip container %s due to state %s", c.Name, c.State)
}
continue
}
if discovery.Contains(c.Name, d.Excludes) || strings.EqualFold(c.Name, "reproxy") {
log.Printf("[DEBUG] container %s excluded", c.Name)
if allowLogging {
log.Printf("[DEBUG] container %s excluded", c.Name)
}
continue
}
if v, ok := c.Labels["reproxy.enabled"]; ok {
if strings.EqualFold(v, "false") || strings.EqualFold(v, "no") || v == "0" {
log.Printf("[DEBUG] skip container %s due to reproxy.enabled=%s", c.Name, v)
if allowLogging {
log.Printf("[DEBUG] skip container %s due to reproxy.enabled=%s", c.Name, v)
}
continue
}
}
if c.IP == "" {
log.Printf("[DEBUG] skip container %s, no ip on defined networks", c.Name)
if allowLogging {
log.Printf("[DEBUG] skip container %s, no ip on defined networks", c.Name)
}
continue
}
if len(c.Ports) == 0 {
log.Printf("[DEBUG] skip container %s, no exposed ports", c.Name)
if allowLogging {
log.Printf("[DEBUG] skip container %s, no exposed ports", c.Name)
}
continue
}
log.Printf("[DEBUG] running container added, %+v", c)
if allowLogging {
log.Printf("[DEBUG] running container added, %+v", c)
}
res = append(res, c)
}
log.Print("[DEBUG] completed list")
if allowLogging {
log.Print("[DEBUG] completed list")
}
return res, nil
}
@ -301,7 +317,7 @@ func (d *dockerClient) ListContainers() ([]containerInfo, error) {
defer resp.Body.Close()
response := []struct {
var response []struct {
ID string `json:"Id"`
Name string
State string
@ -314,7 +330,7 @@ func (d *dockerClient) ListContainers() ([]containerInfo, error) {
}
Names []string
Ports []struct{ PrivatePort int } `json:"Ports"`
}{}
}
if err := json.NewDecoder(resp.Body).Decode(&response); err != nil {
return nil, fmt.Errorf("failed to parse response from docker daemon: %w", err)