mirror of
https://github.com/moby/moby.git
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b28e66cf4f
This centralizes more defaults, to be part of the config struct that's created, instead of interweaving the defaults with other code in various places. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
634 lines
18 KiB
Go
634 lines
18 KiB
Go
package config // import "github.com/docker/docker/daemon/config"
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import (
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"os"
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"reflect"
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"strings"
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"testing"
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"github.com/docker/docker/libnetwork/ipamutils"
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"github.com/docker/docker/opts"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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"github.com/imdario/mergo"
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"github.com/spf13/pflag"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"gotest.tools/v3/fs"
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"gotest.tools/v3/skip"
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)
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func TestDaemonConfigurationNotFound(t *testing.T) {
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_, err := MergeDaemonConfigurations(&Config{}, nil, "/tmp/foo-bar-baz-docker")
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assert.Check(t, os.IsNotExist(err), "got: %[1]T: %[1]v", err)
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}
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func TestDaemonBrokenConfiguration(t *testing.T) {
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f, err := os.CreateTemp("", "docker-config-")
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assert.NilError(t, err)
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configFile := f.Name()
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f.Write([]byte(`{"Debug": tru`))
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f.Close()
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_, err = MergeDaemonConfigurations(&Config{}, nil, configFile)
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assert.ErrorContains(t, err, `invalid character ' ' in literal true`)
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}
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func TestFindConfigurationConflicts(t *testing.T) {
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config := map[string]interface{}{"authorization-plugins": "foobar"}
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.String("authorization-plugins", "", "")
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assert.Check(t, flags.Set("authorization-plugins", "asdf"))
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assert.Check(t, is.ErrorContains(findConfigurationConflicts(config, flags), "authorization-plugins: (from flag: asdf, from file: foobar)"))
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}
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func TestFindConfigurationConflictsWithNamedOptions(t *testing.T) {
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config := map[string]interface{}{"hosts": []string{"qwer"}}
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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var hosts []string
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flags.VarP(opts.NewNamedListOptsRef("hosts", &hosts, opts.ValidateHost), "host", "H", "Daemon socket(s) to connect to")
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assert.Check(t, flags.Set("host", "tcp://127.0.0.1:4444"))
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assert.Check(t, flags.Set("host", "unix:///var/run/docker.sock"))
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assert.Check(t, is.ErrorContains(findConfigurationConflicts(config, flags), "hosts"))
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}
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func TestDaemonConfigurationMergeConflicts(t *testing.T) {
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f, err := os.CreateTemp("", "docker-config-")
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assert.NilError(t, err)
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configFile := f.Name()
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f.Write([]byte(`{"debug": true}`))
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f.Close()
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.Bool("debug", false, "")
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assert.Check(t, flags.Set("debug", "false"))
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_, err = MergeDaemonConfigurations(&Config{}, flags, configFile)
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if err == nil {
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t.Fatal("expected error, got nil")
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}
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if !strings.Contains(err.Error(), "debug") {
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t.Fatalf("expected debug conflict, got %v", err)
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}
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}
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func TestDaemonConfigurationMergeConcurrent(t *testing.T) {
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f, err := os.CreateTemp("", "docker-config-")
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assert.NilError(t, err)
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configFile := f.Name()
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f.Write([]byte(`{"max-concurrent-downloads": 1}`))
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f.Close()
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_, err = MergeDaemonConfigurations(&Config{}, nil, configFile)
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assert.NilError(t, err)
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}
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func TestDaemonConfigurationMergeConcurrentError(t *testing.T) {
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f, err := os.CreateTemp("", "docker-config-")
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assert.NilError(t, err)
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configFile := f.Name()
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f.Write([]byte(`{"max-concurrent-downloads": -1}`))
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f.Close()
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_, err = MergeDaemonConfigurations(&Config{}, nil, configFile)
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assert.ErrorContains(t, err, `invalid max concurrent downloads: -1`)
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}
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func TestDaemonConfigurationMergeConflictsWithInnerStructs(t *testing.T) {
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f, err := os.CreateTemp("", "docker-config-")
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assert.NilError(t, err)
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configFile := f.Name()
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f.Write([]byte(`{"tlscacert": "/etc/certificates/ca.pem"}`))
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f.Close()
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.String("tlscacert", "", "")
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assert.Check(t, flags.Set("tlscacert", "~/.docker/ca.pem"))
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_, err = MergeDaemonConfigurations(&Config{}, flags, configFile)
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assert.ErrorContains(t, err, `the following directives are specified both as a flag and in the configuration file: tlscacert`)
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}
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// Test for #40711
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func TestDaemonConfigurationMergeDefaultAddressPools(t *testing.T) {
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emptyConfigFile := fs.NewFile(t, "config", fs.WithContent(`{}`))
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defer emptyConfigFile.Remove()
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configFile := fs.NewFile(t, "config", fs.WithContent(`{"default-address-pools":[{"base": "10.123.0.0/16", "size": 24 }]}`))
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defer configFile.Remove()
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expected := []*ipamutils.NetworkToSplit{{Base: "10.123.0.0/16", Size: 24}}
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t.Run("empty config file", func(t *testing.T) {
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var conf = Config{}
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.Var(&conf.NetworkConfig.DefaultAddressPools, "default-address-pool", "")
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assert.Check(t, flags.Set("default-address-pool", "base=10.123.0.0/16,size=24"))
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config, err := MergeDaemonConfigurations(&conf, flags, emptyConfigFile.Path())
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assert.NilError(t, err)
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assert.DeepEqual(t, config.DefaultAddressPools.Value(), expected)
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})
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t.Run("config file", func(t *testing.T) {
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var conf = Config{}
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.Var(&conf.NetworkConfig.DefaultAddressPools, "default-address-pool", "")
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config, err := MergeDaemonConfigurations(&conf, flags, configFile.Path())
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assert.NilError(t, err)
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assert.DeepEqual(t, config.DefaultAddressPools.Value(), expected)
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})
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t.Run("with conflicting options", func(t *testing.T) {
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var conf = Config{}
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.Var(&conf.NetworkConfig.DefaultAddressPools, "default-address-pool", "")
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assert.Check(t, flags.Set("default-address-pool", "base=10.123.0.0/16,size=24"))
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_, err := MergeDaemonConfigurations(&conf, flags, configFile.Path())
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assert.ErrorContains(t, err, "the following directives are specified both as a flag and in the configuration file")
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assert.ErrorContains(t, err, "default-address-pools")
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})
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}
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func TestFindConfigurationConflictsWithUnknownKeys(t *testing.T) {
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config := map[string]interface{}{"tls-verify": "true"}
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.Bool("tlsverify", false, "")
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err := findConfigurationConflicts(config, flags)
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assert.ErrorContains(t, err, "the following directives don't match any configuration option: tls-verify")
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}
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func TestFindConfigurationConflictsWithMergedValues(t *testing.T) {
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var hosts []string
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config := map[string]interface{}{"hosts": "tcp://127.0.0.1:2345"}
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flags := pflag.NewFlagSet("base", pflag.ContinueOnError)
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flags.VarP(opts.NewNamedListOptsRef("hosts", &hosts, nil), "host", "H", "")
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err := findConfigurationConflicts(config, flags)
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assert.NilError(t, err)
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assert.Check(t, flags.Set("host", "unix:///var/run/docker.sock"))
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err = findConfigurationConflicts(config, flags)
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assert.ErrorContains(t, err, "hosts: (from flag: [unix:///var/run/docker.sock], from file: tcp://127.0.0.1:2345)")
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}
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func TestValidateConfigurationErrors(t *testing.T) {
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testCases := []struct {
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name string
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field string
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config *Config
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expectedErr string
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}{
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{
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name: "single label without value",
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config: &Config{
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CommonConfig: CommonConfig{
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Labels: []string{"one"},
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},
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},
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expectedErr: "bad attribute format: one",
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},
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{
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name: "multiple label without value",
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config: &Config{
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CommonConfig: CommonConfig{
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Labels: []string{"foo=bar", "one"},
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},
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},
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expectedErr: "bad attribute format: one",
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},
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{
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name: "single DNS, invalid IP-address",
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config: &Config{
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CommonConfig: CommonConfig{
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DNSConfig: DNSConfig{
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DNS: []string{"1.1.1.1o"},
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},
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},
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},
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expectedErr: "1.1.1.1o is not an ip address",
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},
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{
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name: "multiple DNS, invalid IP-address",
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config: &Config{
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CommonConfig: CommonConfig{
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DNSConfig: DNSConfig{
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DNS: []string{"2.2.2.2", "1.1.1.1o"},
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},
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},
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},
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expectedErr: "1.1.1.1o is not an ip address",
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},
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{
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name: "single DNSSearch",
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config: &Config{
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CommonConfig: CommonConfig{
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DNSConfig: DNSConfig{
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DNSSearch: []string{"123456"},
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},
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},
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},
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expectedErr: "123456 is not a valid domain",
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},
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{
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name: "multiple DNSSearch",
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config: &Config{
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CommonConfig: CommonConfig{
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DNSConfig: DNSConfig{
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DNSSearch: []string{"a.b.c", "123456"},
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},
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},
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},
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expectedErr: "123456 is not a valid domain",
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},
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{
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name: "negative MTU",
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config: &Config{
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CommonConfig: CommonConfig{
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Mtu: -10,
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},
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},
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expectedErr: "invalid default MTU: -10",
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},
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{
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name: "negative max-concurrent-downloads",
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config: &Config{
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CommonConfig: CommonConfig{
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MaxConcurrentDownloads: -10,
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},
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},
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expectedErr: "invalid max concurrent downloads: -10",
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},
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{
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name: "negative max-concurrent-uploads",
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config: &Config{
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CommonConfig: CommonConfig{
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MaxConcurrentUploads: -10,
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},
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},
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expectedErr: "invalid max concurrent uploads: -10",
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},
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{
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name: "negative max-download-attempts",
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config: &Config{
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CommonConfig: CommonConfig{
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MaxDownloadAttempts: -10,
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},
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},
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expectedErr: "invalid max download attempts: -10",
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},
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// TODO(thaJeztah) temporarily excluding this test as it assumes defaults are set before validating and applying updated configs
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/*
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{
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name: "zero max-download-attempts",
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field: "MaxDownloadAttempts",
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config: &Config{
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CommonConfig: CommonConfig{
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MaxDownloadAttempts: 0,
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},
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},
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expectedErr: "invalid max download attempts: 0",
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},
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*/
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{
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name: "generic resource without =",
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config: &Config{
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CommonConfig: CommonConfig{
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NodeGenericResources: []string{"foo"},
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},
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},
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expectedErr: "could not parse GenericResource: incorrect term foo, missing '=' or malformed expression",
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},
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{
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name: "generic resource mixed named and discrete",
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config: &Config{
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CommonConfig: CommonConfig{
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NodeGenericResources: []string{"foo=bar", "foo=1"},
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},
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},
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expectedErr: "could not parse GenericResource: mixed discrete and named resources in expression 'foo=[bar 1]'",
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},
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{
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name: "with invalid hosts",
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config: &Config{
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CommonConfig: CommonConfig{
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Hosts: []string{"127.0.0.1:2375/path"},
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},
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},
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expectedErr: "invalid bind address (127.0.0.1:2375/path): should not contain a path element",
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},
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{
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name: "with invalid log-level",
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config: &Config{
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CommonConfig: CommonConfig{
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LogLevel: "foobar",
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},
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},
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expectedErr: "invalid logging level: foobar",
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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cfg, err := New()
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assert.NilError(t, err)
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if tc.field != "" {
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assert.Check(t, mergo.Merge(cfg, tc.config, mergo.WithOverride, withForceOverwrite(tc.field)))
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} else {
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assert.Check(t, mergo.Merge(cfg, tc.config, mergo.WithOverride))
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}
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err = Validate(cfg)
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assert.Error(t, err, tc.expectedErr)
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})
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}
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}
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func withForceOverwrite(fieldName string) func(config *mergo.Config) {
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return mergo.WithTransformers(overwriteTransformer{fieldName: fieldName})
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}
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type overwriteTransformer struct {
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fieldName string
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}
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func (tf overwriteTransformer) Transformer(typ reflect.Type) func(dst, src reflect.Value) error {
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if typ == reflect.TypeOf(CommonConfig{}) {
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return func(dst, src reflect.Value) error {
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dst.FieldByName(tf.fieldName).Set(src.FieldByName(tf.fieldName))
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return nil
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}
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}
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return nil
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}
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func TestValidateConfiguration(t *testing.T) {
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testCases := []struct {
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name string
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field string
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config *Config
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}{
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{
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name: "with label",
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field: "Labels",
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config: &Config{
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CommonConfig: CommonConfig{
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Labels: []string{"one=two"},
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},
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},
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},
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{
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name: "with dns",
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field: "DNSConfig",
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config: &Config{
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CommonConfig: CommonConfig{
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DNSConfig: DNSConfig{
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DNS: []string{"1.1.1.1"},
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},
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},
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},
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},
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{
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name: "with dns-search",
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field: "DNSConfig",
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config: &Config{
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CommonConfig: CommonConfig{
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DNSConfig: DNSConfig{
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DNSSearch: []string{"a.b.c"},
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},
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},
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},
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},
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{
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name: "with mtu",
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field: "Mtu",
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config: &Config{
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CommonConfig: CommonConfig{
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Mtu: 1234,
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},
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},
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},
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{
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name: "with max-concurrent-downloads",
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field: "MaxConcurrentDownloads",
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config: &Config{
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CommonConfig: CommonConfig{
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MaxConcurrentDownloads: 4,
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},
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},
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},
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{
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name: "with max-concurrent-uploads",
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field: "MaxConcurrentUploads",
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config: &Config{
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CommonConfig: CommonConfig{
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MaxConcurrentUploads: 4,
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},
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},
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},
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{
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name: "with max-download-attempts",
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field: "MaxDownloadAttempts",
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config: &Config{
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CommonConfig: CommonConfig{
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MaxDownloadAttempts: 4,
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},
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},
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},
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{
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name: "with multiple node generic resources",
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field: "NodeGenericResources",
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config: &Config{
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CommonConfig: CommonConfig{
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NodeGenericResources: []string{"foo=bar", "foo=baz"},
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},
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},
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},
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{
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name: "with node generic resources",
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field: "NodeGenericResources",
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config: &Config{
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CommonConfig: CommonConfig{
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NodeGenericResources: []string{"foo=1"},
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},
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},
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},
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{
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name: "with hosts",
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field: "Hosts",
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config: &Config{
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CommonConfig: CommonConfig{
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Hosts: []string{"tcp://127.0.0.1:2375"},
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},
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},
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},
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{
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name: "with log-level warn",
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field: "LogLevel",
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config: &Config{
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CommonConfig: CommonConfig{
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LogLevel: "warn",
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},
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},
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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// Start with a config with all defaults set, so that we only
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cfg, err := New()
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assert.NilError(t, err)
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assert.Check(t, mergo.Merge(cfg, tc.config, mergo.WithOverride))
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// Check that the override happened :)
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assert.Check(t, is.DeepEqual(cfg, tc.config, field(tc.field)))
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err = Validate(cfg)
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assert.NilError(t, err)
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})
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}
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}
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func field(field string) cmp.Option {
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tmp := reflect.TypeOf(Config{})
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ignoreFields := make([]string, 0, tmp.NumField())
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for i := 0; i < tmp.NumField(); i++ {
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if tmp.Field(i).Name != field {
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ignoreFields = append(ignoreFields, tmp.Field(i).Name)
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}
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}
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return cmpopts.IgnoreFields(Config{}, ignoreFields...)
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}
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// TestReloadSetConfigFileNotExist tests that when `--config-file` is set
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// and it doesn't exist the `Reload` function returns an error.
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func TestReloadSetConfigFileNotExist(t *testing.T) {
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configFile := "/tmp/blabla/not/exists/config.json"
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flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
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flags.String("config-file", "", "")
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assert.Check(t, flags.Set("config-file", configFile))
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err := Reload(configFile, flags, func(c *Config) {})
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assert.Check(t, is.ErrorContains(err, "unable to configure the Docker daemon with file"))
|
|
}
|
|
|
|
// TestReloadDefaultConfigNotExist tests that if the default configuration file
|
|
// doesn't exist the daemon still will be reloaded.
|
|
func TestReloadDefaultConfigNotExist(t *testing.T) {
|
|
skip.If(t, os.Getuid() != 0, "skipping test that requires root")
|
|
defaultConfigFile := "/tmp/blabla/not/exists/daemon.json"
|
|
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
|
|
flags.String("config-file", defaultConfigFile, "")
|
|
reloaded := false
|
|
err := Reload(defaultConfigFile, flags, func(c *Config) {
|
|
reloaded = true
|
|
})
|
|
assert.Check(t, err)
|
|
assert.Check(t, reloaded)
|
|
}
|
|
|
|
// TestReloadBadDefaultConfig tests that when `--config-file` is not set
|
|
// and the default configuration file exists and is bad return an error
|
|
func TestReloadBadDefaultConfig(t *testing.T) {
|
|
f, err := os.CreateTemp("", "docker-config-")
|
|
assert.NilError(t, err)
|
|
|
|
configFile := f.Name()
|
|
f.Write([]byte(`{wrong: "configuration"}`))
|
|
f.Close()
|
|
|
|
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
|
|
flags.String("config-file", configFile, "")
|
|
reloaded := false
|
|
err = Reload(configFile, flags, func(c *Config) {
|
|
reloaded = true
|
|
})
|
|
assert.Check(t, is.ErrorContains(err, "unable to configure the Docker daemon with file"))
|
|
assert.Check(t, reloaded == false)
|
|
}
|
|
|
|
func TestReloadWithConflictingLabels(t *testing.T) {
|
|
tempFile := fs.NewFile(t, "config", fs.WithContent(`{"labels":["foo=bar","foo=baz"]}`))
|
|
defer tempFile.Remove()
|
|
configFile := tempFile.Path()
|
|
|
|
var lbls []string
|
|
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
|
|
flags.String("config-file", configFile, "")
|
|
flags.StringSlice("labels", lbls, "")
|
|
reloaded := false
|
|
err := Reload(configFile, flags, func(c *Config) {
|
|
reloaded = true
|
|
})
|
|
assert.Check(t, is.ErrorContains(err, "conflict labels for foo=baz and foo=bar"))
|
|
assert.Check(t, reloaded == false)
|
|
}
|
|
|
|
func TestReloadWithDuplicateLabels(t *testing.T) {
|
|
tempFile := fs.NewFile(t, "config", fs.WithContent(`{"labels":["foo=the-same","foo=the-same"]}`))
|
|
defer tempFile.Remove()
|
|
configFile := tempFile.Path()
|
|
|
|
var lbls []string
|
|
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
|
|
flags.String("config-file", configFile, "")
|
|
flags.StringSlice("labels", lbls, "")
|
|
reloaded := false
|
|
err := Reload(configFile, flags, func(c *Config) {
|
|
reloaded = true
|
|
assert.Check(t, is.DeepEqual(c.Labels, []string{"foo=the-same"}))
|
|
})
|
|
assert.Check(t, err)
|
|
assert.Check(t, reloaded)
|
|
}
|
|
|
|
func TestMaskURLCredentials(t *testing.T) {
|
|
tests := []struct {
|
|
rawURL string
|
|
maskedURL string
|
|
}{
|
|
{
|
|
rawURL: "",
|
|
maskedURL: "",
|
|
}, {
|
|
rawURL: "invalidURL",
|
|
maskedURL: "invalidURL",
|
|
}, {
|
|
rawURL: "http://proxy.example.com:80/",
|
|
maskedURL: "http://proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://USER:PASSWORD@proxy.example.com:80/",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://PASSWORD:PASSWORD@proxy.example.com:80/",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://USER:@proxy.example.com:80/",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://:PASSWORD@proxy.example.com:80/",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://USER@docker:password@proxy.example.com:80/",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://USER%40docker:password@proxy.example.com:80/",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://USER%40docker:pa%3Fsword@proxy.example.com:80/",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/",
|
|
}, {
|
|
rawURL: "http://USER%40docker:pa%3Fsword@proxy.example.com:80/hello%20world",
|
|
maskedURL: "http://xxxxx:xxxxx@proxy.example.com:80/hello%20world",
|
|
},
|
|
}
|
|
for _, test := range tests {
|
|
maskedURL := MaskCredentials(test.rawURL)
|
|
assert.Equal(t, maskedURL, test.maskedURL)
|
|
}
|
|
}
|