d00a7d741a
Adds a new global `vector-networks` property on the logs plugin that takes a comma-separated list of Docker networks. When set, the rendered compose file declares each network plus `bridge` as external and joins them on the vector service, so `docker compose up` reconciles attachments on every `logs:vector-start`. When unset, the existing `network_mode: bridge` template is preserved unchanged. The value is validated against `docker network inspect` at set time, rejects the reserved `bridge` entry, and is surfaced in `dokku logs:report` via `--logs-vector-global-networks`.
93 lines
1.9 KiB
Go
93 lines
1.9 KiB
Go
package logs
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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"github.com/dokku/dokku/plugins/common"
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)
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func validateSetValue(appName string, key string, value string) error {
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if key == "max-size" {
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return validateMaxSize(appName, value)
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}
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if key == "vector-networks" {
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return validateVectorNetworks(appName, value)
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}
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if key == "vector-sink" {
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return validateVectorSink(appName, value)
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}
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return nil
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}
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func validateMaxSize(appName string, value string) error {
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if value == "" {
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return nil
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}
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if value == "unlimited" {
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return nil
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}
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last := value[len(value)-1:]
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if last != "k" && last != "m" && last != "g" {
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return errors.New("Invalid max-size unit measure, value must end in any of [k, m, g]")
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}
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if len(value) < 2 {
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return errors.New("Invalid max-size value, must be a number followed by a unit of measure [k, m, g]")
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}
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number := value[:len(value)-1]
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if _, err := strconv.Atoi(number); err != nil {
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return fmt.Errorf("Invalid max-size value, unable to convert number to int: %s", err.Error())
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}
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return nil
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}
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func validateVectorSink(appName string, value string) error {
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if value == "" {
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return nil
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}
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_, err := SinkValueToConfig(appName, value)
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if err != nil {
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return err
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}
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return nil
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}
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func validateVectorNetworks(appName string, value string) error {
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if value == "" {
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return nil
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}
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for _, name := range strings.Split(value, ",") {
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name = strings.TrimSpace(name)
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if name == "" {
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return errors.New("Invalid vector-networks value, empty entry in comma-separated list")
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}
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if name == "bridge" {
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return errors.New("Invalid vector-networks value, \"bridge\" is attached by default and must not be listed")
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}
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result, err := common.CallExecCommand(common.ExecCommandInput{
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Command: common.DockerBin(),
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Args: []string{"network", "inspect", name},
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})
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if err != nil || result.ExitCode != 0 {
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return fmt.Errorf("Network %q does not exist", name)
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}
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}
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return nil
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}
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