util/backoff: rename logtail/backoff package to util/backoff

It has nothing to do with logtail and is confusing named like that.

Updates #cleanup
Updates #17323

Change-Id: Idd34587ba186a2416725f72ffc4c5778b0b9db4a
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

cmd/containerboot/kube.go

@@ -23,9 +23,9 @@ import (
 	"tailscale.com/kube/kubeapi"
 	"tailscale.com/kube/kubeclient"
 	"tailscale.com/kube/kubetypes"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/set"
 )
 

cmd/k8s-operator/depaware.txt

@@ -832,7 +832,6 @@ tailscale.com/cmd/k8s-operator dependencies: (generated by github.com/tailscale/
         tailscale.com/log/sockstatlog                                from tailscale.com/ipn/ipnlocal
         tailscale.com/logpolicy                                      from tailscale.com/ipn/ipnlocal+
         tailscale.com/logtail                                        from tailscale.com/control/controlclient+
-        tailscale.com/logtail/backoff                                from tailscale.com/control/controlclient+
         tailscale.com/logtail/filch                                  from tailscale.com/log/sockstatlog+
         tailscale.com/metrics                                        from tailscale.com/health+
         tailscale.com/net/ace                                        from tailscale.com/control/controlhttp
@@ -917,6 +916,7 @@ tailscale.com/cmd/k8s-operator dependencies: (generated by github.com/tailscale/
         tailscale.com/types/structs                                  from tailscale.com/control/controlclient+
         tailscale.com/types/tkatype                                  from tailscale.com/client/local+
         tailscale.com/types/views                                    from tailscale.com/appc+
+        tailscale.com/util/backoff                                   from tailscale.com/cmd/k8s-operator+
         tailscale.com/util/cibuild                                   from tailscale.com/health
         tailscale.com/util/clientmetric                              from tailscale.com/cmd/k8s-operator+
         tailscale.com/util/cloudenv                                  from tailscale.com/hostinfo+

cmd/k8s-operator/egress-pod-readiness.go

@@ -25,8 +25,8 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 	tsapi "tailscale.com/k8s-operator/apis/v1alpha1"
 	"tailscale.com/kube/kubetypes"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/tstime"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/httpm"
 )
 

cmd/stunstamp/stunstamp.go

@@ -34,10 +34,10 @@ import (
 	"github.com/golang/snappy"
 	"github.com/prometheus/prometheus/prompb"
 	"github.com/tcnksm/go-httpstat"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/stun"
 	"tailscale.com/net/tcpinfo"
 	"tailscale.com/tailcfg"
+	"tailscale.com/util/backoff"
 )
 
 var (

cmd/tailscaled/depaware-minbox.txt

@@ -94,7 +94,6 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/log/sockstatlog                                from tailscale.com/ipn/ipnlocal
         tailscale.com/logpolicy                                      from tailscale.com/cmd/tailscaled+
         tailscale.com/logtail                                        from tailscale.com/cmd/tailscaled+
-        tailscale.com/logtail/backoff                                from tailscale.com/control/controlclient+
         tailscale.com/logtail/filch                                  from tailscale.com/log/sockstatlog+
         tailscale.com/metrics                                        from tailscale.com/health+
         tailscale.com/net/ace                                        from tailscale.com/control/controlhttp
@@ -170,6 +169,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/types/structs                                  from tailscale.com/control/controlclient+
         tailscale.com/types/tkatype                                  from tailscale.com/control/controlclient+
         tailscale.com/types/views                                    from tailscale.com/appc+
+        tailscale.com/util/backoff                                   from tailscale.com/control/controlclient+
         tailscale.com/util/cibuild                                   from tailscale.com/health
         tailscale.com/util/clientmetric                              from tailscale.com/appc+
         tailscale.com/util/cloudenv                                  from tailscale.com/hostinfo+

cmd/tailscaled/depaware.txt

@@ -314,7 +314,6 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/log/sockstatlog                                from tailscale.com/ipn/ipnlocal
         tailscale.com/logpolicy                                      from tailscale.com/cmd/tailscaled+
         tailscale.com/logtail                                        from tailscale.com/cmd/tailscaled+
-        tailscale.com/logtail/backoff                                from tailscale.com/cmd/tailscaled+
         tailscale.com/logtail/filch                                  from tailscale.com/log/sockstatlog+
         tailscale.com/metrics                                        from tailscale.com/health+
         tailscale.com/net/ace                                        from tailscale.com/control/controlhttp
@@ -403,6 +402,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/types/structs                                  from tailscale.com/control/controlclient+
         tailscale.com/types/tkatype                                  from tailscale.com/tka+
         tailscale.com/types/views                                    from tailscale.com/ipn/ipnlocal+
+        tailscale.com/util/backoff                                   from tailscale.com/cmd/tailscaled+
         tailscale.com/util/cibuild                                   from tailscale.com/health
         tailscale.com/util/clientmetric                              from tailscale.com/control/controlclient+
         tailscale.com/util/cloudenv                                  from tailscale.com/net/dns/resolver+

cmd/tailscaled/install_windows.go

@@ -16,8 +16,8 @@ import (
 	"golang.org/x/sys/windows/svc"
 	"golang.org/x/sys/windows/svc/mgr"
 	"tailscale.com/cmd/tailscaled/tailscaledhooks"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 )
 
 func init() {

cmd/tailscaled/tailscaled_windows.go

@@ -47,13 +47,13 @@ import (
 	_ "tailscale.com/ipn/auditlog"
 	_ "tailscale.com/ipn/desktop"
 	"tailscale.com/logpolicy"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/dns"
 	"tailscale.com/net/netmon"
 	"tailscale.com/net/tstun"
 	"tailscale.com/tsd"
 	"tailscale.com/types/logger"
 	"tailscale.com/types/logid"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/osdiag"
 	"tailscale.com/util/syspolicy/pkey"
 	"tailscale.com/util/syspolicy/policyclient"

cmd/tsidp/depaware.txt

@@ -263,7 +263,6 @@ tailscale.com/cmd/tsidp dependencies: (generated by github.com/tailscale/depawar
         tailscale.com/log/sockstatlog                                from tailscale.com/ipn/ipnlocal
         tailscale.com/logpolicy                                      from tailscale.com/ipn/ipnlocal+
         tailscale.com/logtail                                        from tailscale.com/control/controlclient+
-        tailscale.com/logtail/backoff                                from tailscale.com/control/controlclient+
         tailscale.com/logtail/filch                                  from tailscale.com/log/sockstatlog+
         tailscale.com/metrics                                        from tailscale.com/health+
         tailscale.com/net/ace                                        from tailscale.com/control/controlhttp
@@ -347,6 +346,7 @@ tailscale.com/cmd/tsidp dependencies: (generated by github.com/tailscale/depawar
         tailscale.com/types/structs                                  from tailscale.com/control/controlclient+
         tailscale.com/types/tkatype                                  from tailscale.com/client/local+
         tailscale.com/types/views                                    from tailscale.com/appc+
+        tailscale.com/util/backoff                                   from tailscale.com/control/controlclient+
         tailscale.com/util/cibuild                                   from tailscale.com/health
         tailscale.com/util/clientmetric                              from tailscale.com/appc+
         tailscale.com/util/cloudenv                                  from tailscale.com/hostinfo+

control/controlclient/auto.go

@@ -13,7 +13,6 @@ import (
 	"time"
 
 	"tailscale.com/health"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/sockstats"
 	"tailscale.com/tailcfg"
 	"tailscale.com/tstime"
@@ -22,6 +21,7 @@ import (
 	"tailscale.com/types/netmap"
 	"tailscale.com/types/persist"
 	"tailscale.com/types/structs"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/clientmetric"
 	"tailscale.com/util/eventbus"
 	"tailscale.com/util/execqueue"

feature/taildrop/retrieve.go

@@ -14,7 +14,7 @@ import (
 	"time"
 
 	"tailscale.com/client/tailscale/apitype"
-	"tailscale.com/logtail/backoff"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/set"
 )
 

ipn/ipnlocal/serve.go

@@ -36,12 +36,12 @@ import (
 	"go4.org/mem"
 	"golang.org/x/net/http2"
 	"tailscale.com/ipn"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/netutil"
 	"tailscale.com/syncs"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/lazy"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/clientmetric"
 	"tailscale.com/util/ctxkey"
 	"tailscale.com/util/mak"

ipn/ipnlocal/web_client.go

@@ -19,11 +19,11 @@ import (
 
 	"tailscale.com/client/local"
 	"tailscale.com/client/web"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/netutil"
 	"tailscale.com/tailcfg"
 	"tailscale.com/tsconst"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/mak"
 )
 

net/dns/resolved.go

@@ -15,8 +15,8 @@ import (
 	"github.com/godbus/dbus/v5"
 	"golang.org/x/sys/unix"
 	"tailscale.com/health"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/dnsname"
 )
 

prober/prober.go

@@ -317,7 +317,7 @@ func (p *Probe) loop() {
 			p.run()
 			// Wait and then retry if probe fails. We use the inverse of the
 			// configured negative interval as our sleep period.
-			// TODO(percy):implement exponential backoff, possibly using logtail/backoff.
+			// TODO(percy):implement exponential backoff, possibly using util/backoff.
 			select {
 			case <-time.After(-1 * p.interval):
 				p.run()

ssh/tailssh/tailssh.go

@@ -32,7 +32,6 @@ import (
 	gossh "golang.org/x/crypto/ssh"
 	"tailscale.com/envknob"
 	"tailscale.com/ipn/ipnlocal"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/tsaddr"
 	"tailscale.com/net/tsdial"
 	"tailscale.com/sessionrecording"
@@ -41,6 +40,7 @@ import (
 	"tailscale.com/types/key"
 	"tailscale.com/types/logger"
 	"tailscale.com/types/netmap"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/clientmetric"
 	"tailscale.com/util/httpm"
 	"tailscale.com/util/mak"

tsnet/depaware.txt

@@ -259,7 +259,6 @@ tailscale.com/tsnet dependencies: (generated by github.com/tailscale/depaware)
         tailscale.com/log/sockstatlog                                from tailscale.com/ipn/ipnlocal
         tailscale.com/logpolicy                                      from tailscale.com/ipn/ipnlocal+
         tailscale.com/logtail                                        from tailscale.com/control/controlclient+
-        tailscale.com/logtail/backoff                                from tailscale.com/control/controlclient+
         tailscale.com/logtail/filch                                  from tailscale.com/log/sockstatlog+
         tailscale.com/metrics                                        from tailscale.com/health+
         tailscale.com/net/ace                                        from tailscale.com/control/controlhttp
@@ -342,6 +341,7 @@ tailscale.com/tsnet dependencies: (generated by github.com/tailscale/depaware)
         tailscale.com/types/structs                                  from tailscale.com/control/controlclient+
         tailscale.com/types/tkatype                                  from tailscale.com/client/local+
         tailscale.com/types/views                                    from tailscale.com/appc+
+        tailscale.com/util/backoff                                   from tailscale.com/control/controlclient+
         tailscale.com/util/cibuild                                   from tailscale.com/health
         tailscale.com/util/clientmetric                              from tailscale.com/appc+
         tailscale.com/util/cloudenv                                  from tailscale.com/hostinfo+

tstest/integration/tailscaled_deps_test_windows.go

@@ -39,7 +39,6 @@ import (
 	_ "tailscale.com/ipn/store"
 	_ "tailscale.com/logpolicy"
 	_ "tailscale.com/logtail"
-	_ "tailscale.com/logtail/backoff"
 	_ "tailscale.com/net/dns"
 	_ "tailscale.com/net/dnsfallback"
 	_ "tailscale.com/net/netmon"
@@ -59,6 +58,7 @@ import (
 	_ "tailscale.com/types/key"
 	_ "tailscale.com/types/logger"
 	_ "tailscale.com/types/logid"
+	_ "tailscale.com/util/backoff"
 	_ "tailscale.com/util/clientmetric"
 	_ "tailscale.com/util/eventbus"
 	_ "tailscale.com/util/multierr"

tstest/tstest.go

@@ -14,8 +14,8 @@ import (
 	"time"
 
 	"tailscale.com/envknob"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/cibuild"
 )
 

wgengine/magicsock/derp.go

@@ -19,7 +19,6 @@ import (
 	"tailscale.com/derp"
 	"tailscale.com/derp/derphttp"
 	"tailscale.com/health"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/dnscache"
 	"tailscale.com/net/netcheck"
 	"tailscale.com/net/tsaddr"
@@ -28,6 +27,7 @@ import (
 	"tailscale.com/tstime/mono"
 	"tailscale.com/types/key"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/mak"
 	"tailscale.com/util/rands"
 	"tailscale.com/util/testenv"

wgengine/router/router_windows.go

@@ -23,10 +23,10 @@ import (
 	"golang.org/x/sys/windows"
 	"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
 	"tailscale.com/health"
-	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/dns"
 	"tailscale.com/net/netmon"
 	"tailscale.com/types/logger"
+	"tailscale.com/util/backoff"
 	"tailscale.com/util/eventbus"
 )