Update dskit version (#5392)

* Update dskit version

Signed-off-by: Michel Hollands <[email protected]>

* update changelog

Signed-off-by: Michel Hollands <[email protected]>

* Add debug printing to see interfaces in CI. This will be reverted

Signed-off-by: Michel Hollands <[email protected]>

* Add comment to remember to remove

Signed-off-by: Michel Hollands <[email protected]>

* Use netutil.PrivateNetworkInterfacesWithFallback for the other rings

Signed-off-by: Michel Hollands <[email protected]>

* Move import to place indicated by linter

Signed-off-by: Michel Hollands <[email protected]>

* Remove debug printing

Signed-off-by: Michel Hollands <[email protected]>

* Determine local interfaces in tests

Signed-off-by: Michel Hollands <[email protected]>

* Rearrange import to satify linter

Signed-off-by: Michel Hollands <[email protected]>

* Update build image in CircleCI

Signed-off-by: Michel Hollands <[email protected]>

* Change changelegog message to show customer visible changes

Signed-off-by: Michel Hollands <[email protected]>

* Add doc tag and use private network interfaces in common config

Signed-off-by: Michel Hollands <[email protected]>

* Add comment about filtered out non private IP addresses

Signed-off-by: Michel Hollands <[email protected]>

* Update the documentation of the interface names settings

Signed-off-by: Michel Hollands <[email protected]>

Author: MichelHollands

.circleci/config.yml

@@ -40,7 +40,7 @@ workflows:
 # https://circleci.com/blog/circleci-hacks-reuse-yaml-in-your-circleci-config-with-yaml/
 .defaults: &defaults
   docker:
-    - image: grafana/loki-build-image:0.13.0
+    - image: grafana/loki-build-image:0.19.0
   working_directory: /src/loki
 
 jobs:

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## Main
 
+* [5392](https://github.com/grafana/loki/pull/5392) **MichelHollands**: Etcd credentials are parsed as secrets instead of plain text now.
 * [5361](https://github.com/grafana/loki/pull/5361) **ctovena**: Add usage report to grafana.com.
 * [5289](https://github.com/grafana/loki/pull/5289) **ctovena**: Fix deduplication bug in queries when mutating labels.
 * [5302](https://github.com/grafana/loki/pull/5302) **MasslessParticle** Update azure blobstore client to use new sdk.

docs/sources/configuration/_index.md

@@ -704,7 +704,7 @@ ring:
 
   # Name of network interface to read addresses from.
   # CLI flag: -<prefix>.instance-interface-names
-  [instance_interface_names: <list of string> | default = [eth0 en0]]
+  [instance_interface_names: <list of string> | default = [<private network interfaces>]]
 
   # The number of tokens the lifecycler will generate and put into the ring if
   # it joined without transferring tokens from another lifecycler.
@@ -1079,7 +1079,7 @@ lifecycler:
   # CLI flag: -ingester.lifecycler.interface
   interface_names:
 
-    - [<string> ... | default = ["eth0", "en0"]]
+    - [<string> ... | default = [<private network interfaces>]]
 
   # Duration to sleep before exiting to ensure metrics are scraped.
   # CLI flag: -ingester.final-sleep
@@ -2483,7 +2483,7 @@ This way, one doesn't have to replicate configuration in multiple places.
 # If "instance_interface_names" under the common ring section is configured,
 # this common "instance_interface_names" is only applied to the frontend, but not for
 # ring related components (ex: distributor, ruler, etc).
-[instance_interface_names: <list of string>]
+[instance_interface_names: <list of string> | default = [<private network interfaces>]]
 
 # A common address used by Loki components to advertise their address.
 # If a more specific "instance_addr" is set, this is ignored.
@@ -2609,7 +2609,7 @@ kvstore:
 
 # Name of network interface to read addresses from.
 # CLI flag: -<prefix>.instance-interface-names
-[instance_interface_names: <list of string> | default = [eth0 en0]]
+[instance_interface_names: <list of string> | default = [<private network interfaces>]]
 
 # IP address to advertise in the ring.
 # CLI flag: -<prefix>.instance-addr

go.mod

@@ -42,7 +42,7 @@ require (
 	github.com/google/go-cmp v0.5.6
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.4.2
-	github.com/grafana/dskit v0.0.0-20220209070952-ea22a8f662d0
+	github.com/grafana/dskit v0.0.0-20220211095946-19921f863583
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645
 	github.com/hashicorp/consul/api v1.12.0

go.sum

@@ -1032,8 +1032,8 @@ github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0U
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gotestyourself/gotestyourself v2.2.0+incompatible/go.mod h1:zZKM6oeNM8k+FRljX1mnzVYeS8wiGgQyvST1/GafPbY=
 github.com/grafana/dskit v0.0.0-20211021180445-3bd016e9d7f1/go.mod h1:uPG2nyK4CtgNDmWv7qyzYcdI+S90kHHRWvHnBtEMBXM=
-github.com/grafana/dskit v0.0.0-20220209070952-ea22a8f662d0 h1:R0Pw7VjouhYSS7bsMdxEidcJbCq1KUBCzPgsh7805NM=
-github.com/grafana/dskit v0.0.0-20220209070952-ea22a8f662d0/go.mod h1:Q9WmQ9cVkrHx6g4KSl6TN+N3vEOkDZd9RtyXCHd5OPQ=
+github.com/grafana/dskit v0.0.0-20220211095946-19921f863583 h1:UCLVGNJptATClAs4CbClVmn5b4YA6GTG3yoCObI//0E=
+github.com/grafana/dskit v0.0.0-20220211095946-19921f863583/go.mod h1:q51XdMLLHNZJSG6KOGujC20ed2OoLFdx0hBmOEVfRs0=
 github.com/grafana/go-gelf v0.0.0-20211112153804-126646b86de8 h1:aEOagXOTqtN9gd4jiDuP/5a81HdoJBqkVfn8WaxbsK4=
 github.com/grafana/go-gelf v0.0.0-20211112153804-126646b86de8/go.mod h1:QAvS2C7TtQRhhv9Uf/sxD+BUhpkrPFm5jK/9MzUiDCY=
 github.com/grafana/gocql v0.0.0-20200605141915-ba5dc39ece85 h1:xLuzPoOzdfNb/RF/IENCw+oLVdZB4G21VPhkHBgwSHY=

pkg/distributor/distributor_ring.go

@@ -8,6 +8,7 @@ import (
 	"github.com/go-kit/log/level"
 	"github.com/grafana/dskit/flagext"
 	"github.com/grafana/dskit/kv"
+	"github.com/grafana/dskit/netutil"
 	"github.com/grafana/dskit/ring"
 
 	util_log "github.com/grafana/loki/pkg/util/log"
@@ -24,7 +25,7 @@ type RingConfig struct {
 
 	// Instance details
 	InstanceID             string   `yaml:"instance_id" doc:"hidden"`
-	InstanceInterfaceNames []string `yaml:"instance_interface_names"`
+	InstanceInterfaceNames []string `yaml:"instance_interface_names" doc:"default=[<private network interfaces>]"`
 	InstancePort           int      `yaml:"instance_port" doc:"hidden"`
 	InstanceAddr           string   `yaml:"instance_addr" doc:"hidden"`
 
@@ -46,7 +47,7 @@ func (cfg *RingConfig) RegisterFlags(f *flag.FlagSet) {
 	f.DurationVar(&cfg.HeartbeatTimeout, "distributor.ring.heartbeat-timeout", time.Minute, "The heartbeat timeout after which distributors are considered unhealthy within the ring. 0 = never (timeout disabled).")
 
 	// Instance flags
-	cfg.InstanceInterfaceNames = []string{"eth0", "en0"}
+	cfg.InstanceInterfaceNames = netutil.PrivateNetworkInterfacesWithFallback([]string{"eth0", "en0"}, util_log.Logger)
 	f.Var((*flagext.StringSlice)(&cfg.InstanceInterfaceNames), "distributor.ring.instance-interface-names", "Name of network interface to read address from.")
 	f.StringVar(&cfg.InstanceAddr, "distributor.ring.instance-addr", "", "IP address to advertise in the ring.")
 	f.IntVar(&cfg.InstancePort, "distributor.ring.instance-port", 0, "Port to advertise in the ring (defaults to server.grpc-listen-port).")

pkg/ingester/ingester.go

@@ -103,7 +103,7 @@ type Config struct {
 
 // RegisterFlags registers the flags.
 func (cfg *Config) RegisterFlags(f *flag.FlagSet) {
-	cfg.LifecyclerConfig.RegisterFlags(f)
+	cfg.LifecyclerConfig.RegisterFlags(f, util_log.Logger)
 	cfg.WAL.RegisterFlags(f)
 
 	f.IntVar(&cfg.MaxTransferRetries, "ingester.max-transfer-retries", 0, "Number of times to try and transfer chunks before falling back to flushing. If set to 0 or negative value, transfers are disabled.")

pkg/loki/common/common.go

@@ -4,13 +4,16 @@ import (
 	"flag"
 
 	"github.com/grafana/dskit/flagext"
+	"github.com/grafana/dskit/netutil"
 
 	"github.com/grafana/loki/pkg/storage/chunk/aws"
 	"github.com/grafana/loki/pkg/storage/chunk/azure"
 	"github.com/grafana/loki/pkg/storage/chunk/gcp"
 	"github.com/grafana/loki/pkg/storage/chunk/hedging"
 	"github.com/grafana/loki/pkg/storage/chunk/openstack"
 	"github.com/grafana/loki/pkg/util"
+
+	util_log "github.com/grafana/loki/pkg/util/log"
 )
 
 // Config holds common config that can be shared between multiple other config sections.
@@ -27,7 +30,8 @@ type Config struct {
 	//
 	// Internally, addresses will be resolved in the order that this is configured.
 	// By default, the list of used interfaces are, in order: "eth0", "en0", and your loopback net interface (probably "lo").
-	InstanceInterfaceNames []string `yaml:"instance_interface_names"`
+	// If an interface does not have a private IP address it is filtered out, falling back to "eth0" and "en0" if none are left.
+	InstanceInterfaceNames []string `yaml:"instance_interface_names" doc:"default=[<private network interfaces>]"`
 
 	// InstanceAddr represents a common ip used by instances to advertise their address.
 	//
@@ -44,7 +48,7 @@ func (c *Config) RegisterFlags(_ *flag.FlagSet) {
 	c.Ring.RegisterFlagsWithPrefix("", "collectors/", throwaway)
 
 	// instance related flags.
-	c.InstanceInterfaceNames = []string{"eth0", "en0"}
+	c.InstanceInterfaceNames = netutil.PrivateNetworkInterfacesWithFallback([]string{"eth0", "en0"}, util_log.Logger)
 	throwaway.StringVar(&c.InstanceAddr, "common.instance-addr", "", "Default advertised address to be used by Loki components.")
 	throwaway.Var((*flagext.StringSlice)(&c.InstanceInterfaceNames), "common.instance-interface-names", "List of network interfaces to read address from.")
 }

pkg/loki/config_wrapper_test.go

@@ -10,6 +10,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/grafana/dskit/netutil"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
@@ -22,6 +23,7 @@ import (
 	"github.com/grafana/loki/pkg/storage/chunk/storage"
 	"github.com/grafana/loki/pkg/util"
 	"github.com/grafana/loki/pkg/util/cfg"
+	util_log "github.com/grafana/loki/pkg/util/log"
 	loki_net "github.com/grafana/loki/pkg/util/net"
 )
 
@@ -1101,7 +1103,9 @@ query_scheduler:
 		assert.Equal(t, config.Distributor.DistributorRing.InstanceInterfaceNames, []string{"distributoriface"})
 		assert.Equal(t, config.QueryScheduler.SchedulerRing.InstanceInterfaceNames, []string{"scheduleriface"})
 		assert.Equal(t, config.Ruler.Ring.InstanceInterfaceNames, []string{"ruleriface"})
-		assert.Equal(t, config.Ingester.LifecyclerConfig.InfNames, []string{"eth0", "en0", defaultIface})
+		expectedInterfaces := netutil.PrivateNetworkInterfacesWithFallback([]string{"eth0", "en0"}, util_log.Logger)
+		expectedInterfaces = append(expectedInterfaces, defaultIface)
+		assert.Equal(t, config.Ingester.LifecyclerConfig.InfNames, expectedInterfaces)
 	})
 }
 
@@ -1113,9 +1117,11 @@ func TestLoopbackAppendingToFrontendV2(t *testing.T) {
 	t.Run("when using common or ingester ring configs, loopback should be added to interface names", func(t *testing.T) {
 		config, _, err := configWrapperFromYAML(t, minimalConfig, []string{})
 		assert.NoError(t, err)
-		assert.Equal(t, []string{"eth0", "en0", defaultIface}, config.Frontend.FrontendV2.InfNames)
-		assert.Equal(t, []string{"eth0", "en0", defaultIface}, config.Ingester.LifecyclerConfig.InfNames)
-		assert.Equal(t, []string{"eth0", "en0", defaultIface}, config.Common.Ring.InstanceInterfaceNames)
+		expectedInterfaces := netutil.PrivateNetworkInterfacesWithFallback([]string{"eth0", "en0"}, util_log.Logger)
+		expectedInterfaces = append(expectedInterfaces, defaultIface)
+		assert.Equal(t, expectedInterfaces, config.Frontend.FrontendV2.InfNames)
+		assert.Equal(t, expectedInterfaces, config.Ingester.LifecyclerConfig.InfNames)
+		assert.Equal(t, expectedInterfaces, config.Common.Ring.InstanceInterfaceNames)
 	})
 
 	t.Run("loopback shouldn't be in FrontendV2 interface names if set by user", func(t *testing.T) {

pkg/lokifrontend/frontend/v2/frontend.go

@@ -13,6 +13,7 @@ import (
 	"github.com/go-kit/log/level"
 	"github.com/grafana/dskit/flagext"
 	"github.com/grafana/dskit/grpcclient"
+	"github.com/grafana/dskit/netutil"
 	"github.com/grafana/dskit/ring"
 	"github.com/grafana/dskit/services"
 	"github.com/opentracing/opentracing-go"
@@ -26,6 +27,7 @@ import (
 	"github.com/grafana/loki/pkg/querier/stats"
 	"github.com/grafana/loki/pkg/tenant"
 	lokigrpc "github.com/grafana/loki/pkg/util/httpgrpc"
+	util_log "github.com/grafana/loki/pkg/util/log"
 )
 
 // Config for a Frontend.
@@ -48,7 +50,7 @@ func (cfg *Config) RegisterFlags(f *flag.FlagSet) {
 	f.DurationVar(&cfg.DNSLookupPeriod, "frontend.scheduler-dns-lookup-period", 10*time.Second, "How often to resolve the scheduler-address, in order to look for new query-scheduler instances. Also used to determine how often to poll the scheduler-ring for addresses if the scheduler-ring is configured.")
 	f.IntVar(&cfg.WorkerConcurrency, "frontend.scheduler-worker-concurrency", 5, "Number of concurrent workers forwarding queries to single query-scheduler.")
 
-	cfg.InfNames = []string{"eth0", "en0"}
+	cfg.InfNames = netutil.PrivateNetworkInterfacesWithFallback([]string{"eth0", "en0"}, util_log.Logger)
 	f.Var((*flagext.StringSlice)(&cfg.InfNames), "frontend.instance-interface-names", "Name of network interface to read address from. This address is sent to query-scheduler and querier, which uses it to send the query response back to query-frontend.")
 	f.StringVar(&cfg.Addr, "frontend.instance-addr", "", "IP address to advertise to querier (via scheduler) (resolved via interfaces by default).")
 	f.IntVar(&cfg.Port, "frontend.instance-port", 0, "Port to advertise to querier (via scheduler) (defaults to server.grpc-listen-port).")