etcd/server/config_test.go

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2013-10-22 02:00:20 +04:00
package server
import (
"io/ioutil"
"os"
"testing"
"github.com/BurntSushi/toml"
"github.com/stretchr/testify/assert"
)
// Ensures that a configuration can be deserialized from TOML.
func TestConfigTOML(t *testing.T) {
content := `
advertised_url = "127.0.0.1:4002"
ca_file = "/tmp/file.ca"
cert_file = "/tmp/file.cert"
cors = ["*"]
cpu_profile_file = "XXX"
datadir = "/tmp/data"
key_file = "/tmp/file.key"
listen_host = "127.0.0.1:4003"
machines = ["coreos.com:4001", "coreos.com:4002"]
machines_file = "/tmp/machines"
max_cluster_size = 10
max_result_buffer = 512
max_retry_attempts = 5
name = "test-name"
snapshot = true
verbose = true
very_verbose = true
web_url = "/web"
[peer]
advertised_url = "127.0.0.1:7002"
ca_file = "/tmp/peer/file.ca"
cert_file = "/tmp/peer/file.cert"
key_file = "/tmp/peer/file.key"
listen_host = "127.0.0.1:7003"
`
c := NewConfig()
_, err := toml.Decode(content, &c)
assert.Nil(t, err, "")
assert.Equal(t, c.AdvertisedUrl, "127.0.0.1:4002", "")
assert.Equal(t, c.CAFile, "/tmp/file.ca", "")
assert.Equal(t, c.CertFile, "/tmp/file.cert", "")
assert.Equal(t, c.Cors, []string{"*"}, "")
assert.Equal(t, c.DataDir, "/tmp/data", "")
assert.Equal(t, c.KeyFile, "/tmp/file.key", "")
assert.Equal(t, c.ListenHost, "127.0.0.1:4003", "")
assert.Equal(t, c.Machines, []string{"coreos.com:4001", "coreos.com:4002"}, "")
assert.Equal(t, c.MachinesFile, "/tmp/machines", "")
assert.Equal(t, c.MaxClusterSize, 10, "")
assert.Equal(t, c.MaxResultBuffer, 512, "")
assert.Equal(t, c.MaxRetryAttempts, 5, "")
assert.Equal(t, c.Name, "test-name", "")
assert.Equal(t, c.Snapshot, true, "")
assert.Equal(t, c.Verbose, true, "")
assert.Equal(t, c.VeryVerbose, true, "")
assert.Equal(t, c.WebURL, "/web", "")
assert.Equal(t, c.Peer.AdvertisedUrl, "127.0.0.1:7002", "")
assert.Equal(t, c.Peer.CAFile, "/tmp/peer/file.ca", "")
assert.Equal(t, c.Peer.CertFile, "/tmp/peer/file.cert", "")
assert.Equal(t, c.Peer.KeyFile, "/tmp/peer/file.key", "")
assert.Equal(t, c.Peer.ListenHost, "127.0.0.1:7003", "")
}
// Ensures that a configuration can be retrieved from environment variables.
func TestConfigEnv(t *testing.T) {
os.Setenv("ETCD_CA_FILE", "/tmp/file.ca")
os.Setenv("ETCD_CERT_FILE", "/tmp/file.cert")
os.Setenv("ETCD_CPU_PROFILE_FILE", "XXX")
os.Setenv("ETCD_CORS", "localhost:4001,localhost:4002")
os.Setenv("ETCD_DATADIR", "/tmp/data")
os.Setenv("ETCD_KEY_FILE", "/tmp/file.key")
os.Setenv("ETCD_LISTEN_HOST", "127.0.0.1:4003")
os.Setenv("ETCD_MACHINES", "coreos.com:4001,coreos.com:4002")
os.Setenv("ETCD_MACHINES_FILE", "/tmp/machines")
os.Setenv("ETCD_MAX_CLUSTER_SIZE", "10")
os.Setenv("ETCD_MAX_RESULT_BUFFER", "512")
os.Setenv("ETCD_MAX_RETRY_ATTEMPTS", "5")
os.Setenv("ETCD_NAME", "test-name")
os.Setenv("ETCD_SNAPSHOT", "true")
os.Setenv("ETCD_VERBOSE", "1")
os.Setenv("ETCD_VERY_VERBOSE", "yes")
os.Setenv("ETCD_WEB_URL", "/web")
os.Setenv("ETCD_PEER_ADVERTISED_URL", "127.0.0.1:7002")
os.Setenv("ETCD_PEER_CA_FILE", "/tmp/peer/file.ca")
os.Setenv("ETCD_PEER_CERT_FILE", "/tmp/peer/file.cert")
os.Setenv("ETCD_PEER_KEY_FILE", "/tmp/peer/file.key")
os.Setenv("ETCD_PEER_LISTEN_HOST", "127.0.0.1:7003")
c := NewConfig()
c.LoadEnv()
assert.Equal(t, c.CAFile, "/tmp/file.ca", "")
assert.Equal(t, c.CertFile, "/tmp/file.cert", "")
assert.Equal(t, c.Cors, []string{"localhost:4001", "localhost:4002"}, "")
assert.Equal(t, c.DataDir, "/tmp/data", "")
assert.Equal(t, c.KeyFile, "/tmp/file.key", "")
assert.Equal(t, c.ListenHost, "127.0.0.1:4003", "")
assert.Equal(t, c.Machines, []string{"coreos.com:4001", "coreos.com:4002"}, "")
assert.Equal(t, c.MachinesFile, "/tmp/machines", "")
assert.Equal(t, c.MaxClusterSize, 10, "")
assert.Equal(t, c.MaxResultBuffer, 512, "")
assert.Equal(t, c.MaxRetryAttempts, 5, "")
assert.Equal(t, c.Name, "test-name", "")
assert.Equal(t, c.Snapshot, true, "")
assert.Equal(t, c.Verbose, true, "")
assert.Equal(t, c.VeryVerbose, true, "")
assert.Equal(t, c.WebURL, "/web", "")
assert.Equal(t, c.Peer.AdvertisedUrl, "127.0.0.1:7002", "")
assert.Equal(t, c.Peer.CAFile, "/tmp/peer/file.ca", "")
assert.Equal(t, c.Peer.CertFile, "/tmp/peer/file.cert", "")
assert.Equal(t, c.Peer.KeyFile, "/tmp/peer/file.key", "")
assert.Equal(t, c.Peer.ListenHost, "127.0.0.1:7003", "")
}
// Ensures that a the advertised url can be parsed from the environment.
func TestConfigAdvertisedUrlEnv(t *testing.T) {
withEnv("ETCD_ADVERTISED_URL", "127.0.0.1:4002", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.AdvertisedUrl, "127.0.0.1:4002", "")
})
}
// Ensures that a the advertised flag can be parsed.
func TestConfigAdvertisedUrlFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-c", "127.0.0.1:4002"}), "")
assert.Equal(t, c.AdvertisedUrl, "127.0.0.1:4002", "")
}
// Ensures that a the CA file can be parsed from the environment.
func TestConfigCAFileEnv(t *testing.T) {
withEnv("ETCD_CA_FILE", "/tmp/file.ca", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.CAFile, "/tmp/file.ca", "")
})
}
// Ensures that a the CA file flag can be parsed.
func TestConfigCAFileFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-clientCAFile", "/tmp/file.ca"}), "")
assert.Equal(t, c.CAFile, "/tmp/file.ca", "")
}
// Ensures that a the CA file can be parsed from the environment.
func TestConfigCertFileEnv(t *testing.T) {
withEnv("ETCD_CERT_FILE", "/tmp/file.cert", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.CertFile, "/tmp/file.cert", "")
})
}
// Ensures that a the Cert file flag can be parsed.
func TestConfigCertFileFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-clientCert", "/tmp/file.cert"}), "")
assert.Equal(t, c.CertFile, "/tmp/file.cert", "")
}
// Ensures that a the Key file can be parsed from the environment.
func TestConfigKeyFileEnv(t *testing.T) {
withEnv("ETCD_KEY_FILE", "/tmp/file.key", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.KeyFile, "/tmp/file.key", "")
})
}
// Ensures that a the Key file flag can be parsed.
func TestConfigKeyFileFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-clientKey", "/tmp/file.key"}), "")
assert.Equal(t, c.KeyFile, "/tmp/file.key", "")
}
// Ensures that a the Listen Host can be parsed from the environment.
func TestConfigListenHostEnv(t *testing.T) {
withEnv("ETCD_LISTEN_HOST", "127.0.0.1:4003", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.ListenHost, "127.0.0.1:4003", "")
})
}
// Ensures that a the Listen Host file flag can be parsed.
func TestConfigListenHostFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-cl", "127.0.0.1:4003"}), "")
assert.Equal(t, c.ListenHost, "127.0.0.1:4003", "")
}
// Ensures that the Machines can be parsed from the environment.
func TestConfigMachinesEnv(t *testing.T) {
withEnv("ETCD_MACHINES", "coreos.com:4001,coreos.com:4002", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Machines, []string{"coreos.com:4001", "coreos.com:4002"}, "")
})
}
// Ensures that a the Machines flag can be parsed.
func TestConfigMachinesFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-C", "coreos.com:4001,coreos.com:4002"}), "")
assert.Equal(t, c.Machines, []string{"coreos.com:4001", "coreos.com:4002"}, "")
}
// Ensures that the Machines File can be parsed from the environment.
func TestConfigMachinesFileEnv(t *testing.T) {
withEnv("ETCD_MACHINES_FILE", "/tmp/machines", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.MachinesFile, "/tmp/machines", "")
})
}
// Ensures that a the Machines File flag can be parsed.
func TestConfigMachinesFileFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-CF", "/tmp/machines"}), "")
assert.Equal(t, c.MachinesFile, "/tmp/machines", "")
}
// Ensures that the Max Cluster Size can be parsed from the environment.
func TestConfigMaxClusterSizeEnv(t *testing.T) {
withEnv("ETCD_MAX_CLUSTER_SIZE", "5", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.MaxClusterSize, 5, "")
})
}
// Ensures that a the Max Cluster Size flag can be parsed.
func TestConfigMaxClusterSizeFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-maxsize", "5"}), "")
assert.Equal(t, c.MaxClusterSize, 5, "")
}
// Ensures that the Max Result Buffer can be parsed from the environment.
func TestConfigMaxResultBufferEnv(t *testing.T) {
withEnv("ETCD_MAX_RESULT_BUFFER", "512", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.MaxResultBuffer, 512, "")
})
}
// Ensures that a the Max Result Buffer flag can be parsed.
func TestConfigMaxResultBufferFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-m", "512"}), "")
assert.Equal(t, c.MaxResultBuffer, 512, "")
}
// Ensures that the Max Retry Attempts can be parsed from the environment.
func TestConfigMaxRetryAttemptsEnv(t *testing.T) {
withEnv("ETCD_MAX_RETRY_ATTEMPTS", "10", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.MaxRetryAttempts, 10, "")
})
}
// Ensures that a the Max Retry Attempts flag can be parsed.
func TestConfigMaxRetryAttemptsFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-r", "10"}), "")
assert.Equal(t, c.MaxRetryAttempts, 10, "")
}
// Ensures that the Name can be parsed from the environment.
func TestConfigNameEnv(t *testing.T) {
withEnv("ETCD_NAME", "test-name", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Name, "test-name", "")
})
}
// Ensures that a the Name flag can be parsed.
func TestConfigNameFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-n", "test-name"}), "")
assert.Equal(t, c.Name, "test-name", "")
}
// Ensures that Snapshot can be parsed from the environment.
func TestConfigSnapshotEnv(t *testing.T) {
withEnv("ETCD_SNAPSHOT", "1", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Snapshot, true, "")
})
}
// Ensures that a the Snapshot flag can be parsed.
func TestConfigSnapshotFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-snapshot"}), "")
assert.Equal(t, c.Snapshot, true, "")
}
// Ensures that Verbose can be parsed from the environment.
func TestConfigVerboseEnv(t *testing.T) {
withEnv("ETCD_VERBOSE", "true", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Verbose, true, "")
})
}
// Ensures that a the Verbose flag can be parsed.
func TestConfigVerboseFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-v"}), "")
assert.Equal(t, c.Verbose, true, "")
}
// Ensures that Very Verbose can be parsed from the environment.
func TestConfigVeryVerboseEnv(t *testing.T) {
withEnv("ETCD_VERY_VERBOSE", "true", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.VeryVerbose, true, "")
})
}
// Ensures that a the Very Verbose flag can be parsed.
func TestConfigVeryVerboseFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-vv"}), "")
assert.Equal(t, c.VeryVerbose, true, "")
}
// Ensures that Web URL can be parsed from the environment.
func TestConfigWebURLEnv(t *testing.T) {
withEnv("ETCD_WEB_URL", "/web", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.WebURL, "/web", "")
})
}
// Ensures that a the Web URL flag can be parsed.
func TestConfigWebURLFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-w", "/web"}), "")
assert.Equal(t, c.WebURL, "/web", "")
}
// Ensures that the Peer Advertised URL can be parsed from the environment.
func TestConfigPeerAdvertisedUrlEnv(t *testing.T) {
withEnv("ETCD_PEER_ADVERTISED_URL", "localhost:7002", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Peer.AdvertisedUrl, "localhost:7002", "")
})
}
// Ensures that a the Peer Advertised URL flag can be parsed.
func TestConfigPeerAdvertisedUrlFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-s", "localhost:7002"}), "")
assert.Equal(t, c.Peer.AdvertisedUrl, "localhost:7002", "")
}
// Ensures that the Peer CA File can be parsed from the environment.
func TestConfigPeerCAFileEnv(t *testing.T) {
withEnv("ETCD_PEER_CA_FILE", "/tmp/peer/file.ca", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Peer.CAFile, "/tmp/peer/file.ca", "")
})
}
// Ensures that a the Peer CA file flag can be parsed.
func TestConfigPeerCAFileFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-serverCAFile", "/tmp/peer/file.ca"}), "")
assert.Equal(t, c.Peer.CAFile, "/tmp/peer/file.ca", "")
}
// Ensures that the Peer Cert File can be parsed from the environment.
func TestConfigPeerCertFileEnv(t *testing.T) {
withEnv("ETCD_PEER_CERT_FILE", "/tmp/peer/file.cert", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Peer.CertFile, "/tmp/peer/file.cert", "")
})
}
// Ensures that a the Cert file flag can be parsed.
func TestConfigPeerCertFileFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-serverCert", "/tmp/peer/file.cert"}), "")
assert.Equal(t, c.Peer.CertFile, "/tmp/peer/file.cert", "")
}
// Ensures that the Peer Key File can be parsed from the environment.
func TestConfigPeerKeyFileEnv(t *testing.T) {
withEnv("ETCD_PEER_KEY_FILE", "/tmp/peer/file.key", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Peer.KeyFile, "/tmp/peer/file.key", "")
})
}
// Ensures that a the Peer Key file flag can be parsed.
func TestConfigPeerKeyFileFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-serverKey", "/tmp/peer/file.key"}), "")
assert.Equal(t, c.Peer.KeyFile, "/tmp/peer/file.key", "")
}
// Ensures that the Peer Listen Host can be parsed from the environment.
func TestConfigPeerListenHostEnv(t *testing.T) {
withEnv("ETCD_PEER_LISTEN_HOST", "localhost:7004", func(c *Config) {
assert.Nil(t, c.LoadEnv(), "")
assert.Equal(t, c.Peer.ListenHost, "localhost:7004", "")
})
}
// Ensures that a the Peer Listen Host file flag can be parsed.
func TestConfigPeerListenHostFlag(t *testing.T) {
c := NewConfig()
assert.Nil(t, c.LoadFlags([]string{"-sl", "127.0.0.1:4003"}), "")
assert.Equal(t, c.Peer.ListenHost, "127.0.0.1:4003", "")
}
// Ensures that a system config field is overridden by a custom config field.
func TestConfigCustomConfigOverrideSystemConfig(t *testing.T) {
system := `advertised_url = "127.0.0.1:5000"`
custom := `advertised_url = "127.0.0.1:6000"`
withTempFile(system, func(p1 string) {
withTempFile(custom, func(p2 string) {
c := NewConfig()
c.SystemPath = p1
assert.Nil(t, c.Load([]string{"-config", p2}), "")
assert.Equal(t, c.AdvertisedUrl, "http://127.0.0.1:6000", "")
})
})
}
// Ensures that a custom config field is overridden by an environment variable.
func TestConfigEnvVarOverrideCustomConfig(t *testing.T) {
os.Setenv("ETCD_PEER_ADVERTISED_URL", "127.0.0.1:8000")
defer os.Setenv("ETCD_PEER_ADVERTISED_URL", "")
custom := `[peer]`+"\n"+`advertised_url = "127.0.0.1:9000"`
withTempFile(custom, func(path string) {
c := NewConfig()
c.SystemPath = ""
assert.Nil(t, c.Load([]string{"-config", path}), "")
assert.Equal(t, c.Peer.AdvertisedUrl, "http://127.0.0.1:8000", "")
})
}
// Ensures that an environment variable field is overridden by a command line argument.
func TestConfigCLIArgsOverrideEnvVar(t *testing.T) {
os.Setenv("ETCD_ADVERTISED_URL", "127.0.0.1:1000")
defer os.Setenv("ETCD_ADVERTISED_URL", "")
c := NewConfig()
c.SystemPath = ""
assert.Nil(t, c.Load([]string{"-c", "127.0.0.1:2000"}), "")
assert.Equal(t, c.AdvertisedUrl, "http://127.0.0.1:2000", "")
}
//--------------------------------------
// Helpers
//--------------------------------------
// Sets up the environment with a given environment variable set.
func withEnv(key, value string, f func(c *Config)) {
os.Setenv(key, value)
defer os.Setenv(key, "")
c := NewConfig()
f(c)
}
// Creates a temp file and calls a function with the context.
func withTempFile(content string, fn func(string)) {
f, _ := ioutil.TempFile("", "")
f.WriteString(content)
f.Close()
defer os.Remove(f.Name())
fn(f.Name())
}