diff --git a/.goreleaser.yml b/.goreleaser.yml
index 02c8cba..7c8444d 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -13,7 +13,10 @@ builds:
     flags:
       - -trimpath
     ldflags:
-      - -s -w -extldflags "-static" -X github.com/netflix/weep/version.Version={{.Version}} -X github.com/netflix/weep/version.Commit={{.CommitDate}} -X github.com/netflix/weep/version.Date={{.Date}}
+      - -s -w -extldflags "-static"
+        -X github.com/netflix/weep/metadata.Version={{.Version}}
+        -X github.com/netflix/weep/metadata.Commit={{.CommitDate}}
+        -X github.com/netflix/weep/metadata.Date={{.Date}}
     mod_timestamp: '{{ .CommitTimestamp }}'
   -
     id: demo
@@ -26,7 +29,11 @@ builds:
     flags:
       - -trimpath
     ldflags:
-      - -s -w -extldflags "-static" -X github.com/netflix/weep/config.EmbeddedConfigFile=/weep-demo.yaml -X github.com/netflix/weep/version.Version={{.Version}} -X github.com/netflix/weep/version.Commit={{.CommitDate}} -X github.com/netflix/weep/version.Date={{.Date}}
+      - -s -w -extldflags "-static"
+        -X github.com/netflix/weep/config.EmbeddedConfigFile=/weep-demo.yaml
+        -X github.com/netflix/weep/metadata.Version={{.Version}}
+        -X github.com/netflix/weep/metadata.Commit={{.CommitDate}}
+        -X github.com/netflix/weep/metadata.Date={{.Date}}
     mod_timestamp: '{{ .CommitTimestamp }}'
     hooks:
       pre: pkger -include /weep-demo.yaml
diff --git a/cmd/root.go b/cmd/root.go
index d854605..e5cc13a 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -21,6 +21,8 @@ import (
 	"os/signal"
 	"syscall"
 
+	"github.com/netflix/weep/metadata"
+
 	"github.com/netflix/weep/config"
 	"github.com/netflix/weep/logging"
 
@@ -34,6 +36,11 @@ var (
 		Short:             "weep helps you get the most out of ConsoleMe credentials",
 		Long:              "Weep is a CLI tool that manages AWS access via ConsoleMe for local development.",
 		DisableAutoGenTag: true,
+		PersistentPreRun: func(cmd *cobra.Command, args []string) {
+			// This runs before any subcommand, and cmd.CalledAs() returns the subcommand
+			// that was called. We want to use this for the weep method in the instance info.
+			metadata.SetWeepMethod(cmd.CalledAs())
+		},
 	}
 	log = logging.GetLogger()
 )
diff --git a/cmd/version.go b/cmd/version.go
index d56943b..03f4671 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -19,7 +19,8 @@ package cmd
 import (
 	"fmt"
 
-	"github.com/netflix/weep/version"
+	"github.com/netflix/weep/metadata"
+
 	"github.com/spf13/cobra"
 )
 
@@ -31,6 +32,6 @@ var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print version information",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println(version.GetVersion())
+		fmt.Println(metadata.GetVersion())
 	},
 }
diff --git a/config/config.go b/config/config.go
index 36de930..83aab70 100644
--- a/config/config.go
+++ b/config/config.go
@@ -34,6 +34,7 @@ var log = logging.GetLogger()
 func init() {
 	// Set default configuration values here
 	viper.SetTypeByDefaultValue(true)
+	viper.SetDefault("feature_flags.consoleme_metadata", false)
 	viper.SetDefault("log_file", getDefaultLogFile())
 	viper.SetDefault("mtls_settings.old_cert_message", "mTLS certificate is too old, please refresh mtls certificate")
 	viper.SetDefault("server.http_timeout", 20)
@@ -50,8 +51,8 @@ func getDefaultLogFile() string {
 	case "linux":
 		return filepath.Join("tmp", "weep.log")
 	case "windows":
-		path, _ := filepath.Abs(filepath.FromSlash("/programdata/weep/weep.log"))
-		return path
+		p, _ := filepath.Abs(filepath.FromSlash("/programdata/weep/weep.log"))
+		return p
 	default:
 		return ""
 	}
diff --git a/creds/consoleme.go b/creds/consoleme.go
index 48e572d..e8840c1 100644
--- a/creds/consoleme.go
+++ b/creds/consoleme.go
@@ -29,6 +29,8 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/netflix/weep/metadata"
+
 	"github.com/netflix/weep/logging"
 
 	werrors "github.com/netflix/weep/errors"
@@ -38,12 +40,10 @@ import (
 	"github.com/netflix/weep/httpAuth/mtls"
 
 	"github.com/pkg/errors"
-
-	"github.com/netflix/weep/version"
 )
 
 var log = logging.GetLogger()
-var clientVersion = fmt.Sprintf("%s", version.Version)
+var clientVersion = fmt.Sprintf("%s", metadata.Version)
 
 var userAgent = "weep/" + clientVersion + " Go-http-client/1.1"
 
@@ -186,8 +186,12 @@ func (c *Client) GetRoleCredentials(role string, ipRestrict bool) (*AwsCredentia
 	var cmCredentialErrorMessageType ConsolemeCredentialErrorMessageType
 
 	cmCredRequest := ConsolemeCredentialRequestType{
-		RequestedRole:   role,
-		NoIpRestriciton: ipRestrict,
+		RequestedRole:  role,
+		NoIpRestricton: ipRestrict,
+	}
+
+	if metadataEnabled := viper.GetBool("feature_flags.consoleme_metadata"); metadataEnabled == true {
+		cmCredRequest.Metadata = metadata.GetInstanceInfo()
 	}
 
 	b := new(bytes.Buffer)
diff --git a/creds/types.go b/creds/types.go
index 3741c5e..8631ae8 100644
--- a/creds/types.go
+++ b/creds/types.go
@@ -21,6 +21,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/netflix/weep/metadata"
+
 	"github.com/aws/aws-sdk-go/aws/credentials"
 )
 
@@ -60,8 +62,12 @@ type ConsolemeCredentialResponseType struct {
 }
 
 type ConsolemeCredentialRequestType struct {
-	RequestedRole   string `json:"requested_role"`
-	NoIpRestriciton bool   `json:"no_ip_restrictions"`
+	RequestedRole  string                 `json:"requested_role"`
+	NoIpRestricton bool                   `json:"no_ip_restrictions"`
+	Metadata       *metadata.InstanceInfo `json:"metadata,omitempty"`
+}
+
+type ConsoleMeCredentialRequestMetadata struct {
 }
 
 type ConsolemeCredentialErrorMessageType struct {
@@ -120,3 +126,12 @@ func (t Time) Time() time.Time {
 func (t Time) String() string {
 	return t.Time().String()
 }
+
+type Credentials struct {
+	Role                string
+	NoIpRestrict        bool
+	metaDataCredentials *AwsCredentials
+	MetadataRegion      string
+	LastRenewal         Time
+	mu                  sync.Mutex
+}
diff --git a/go.sum b/go.sum
index 4de9850..3b35ee7 100644
--- a/go.sum
+++ b/go.sum
@@ -4,48 +4,29 @@ cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSR
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3 h1:AVXDdKsrtX33oR9fbCMu/+c1o8Ofjq6Ku/MInaLVg5Y=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go/bigquery v1.0.1 h1:hL+ycaJpVE9M7nLoiXb/Pn10ENE2u+oddxbD8uu0ZVU=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/firestore v1.1.0 h1:9x7Bx0A9R5/M9jibeJeZWqjeVEIxYW9fZYqB9a70/bY=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
-cloud.google.com/go/pubsub v1.0.1 h1:W9tAK3E57P75u0XLLR82LZyw8VpAnhmyTOxW9qzmyj8=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/storage v1.0.0 h1:VV2nUM3wwLLGh9lSABFgZMjInyUbJeaRSE64WuAIQ+4=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9 h1:VpgP7xuJadIUuKccphEpTJnWhS2jkQyMt6Y7pJCD7fY=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 h1:1BDTz0u9nC3//pOCMdNH+CiXJVYJh5UQNCOBG7jbELc=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc h1:cAKDfWh5VpdgMhJosfJnn5/FoN2SRZ4p7fJNX58YPaU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf h1:qet1QNfXsQxTZqLG4oE62mJzwPIB8+Tee4RNCL9ulrY=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e h1:QEF07wC0T1rKkctt1RINW/+RMTVmiwxETico2l3gxJA=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da h1:8GUt8eRujhVEGZFFEjBj46YV4rDjvGrNxb0KMWYkL2I=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310 h1:BUAU3CGlLvorLI26FmByPp2eC2qla6E1Tw+scpcg/to=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/aws/aws-sdk-go v1.36.7 h1:XoJPAjKoqvdL531XGWxKYn5eGX/xMoXzMN5fBtoyfSY=
 github.com/aws/aws-sdk-go v1.36.7/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/bep/debounce v1.2.0 h1:wXds8Kq8qRfwAOpAxHrJDbCXgC5aHSzgQb/0gKsHQqo=
 github.com/bep/debounce v1.2.0/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
-github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c h1:+0HFd5KSZ/mm3JmhmrDukiId5iR6w4+BdFtfSy4yWIc=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
@@ -53,129 +34,81 @@ github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5O
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
-github.com/client9/misspell v0.3.4 h1:ta993UF76GwbvJcIo3Y68y/M3WxlpEHPWIGDkJYwzJI=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.13+incompatible h1:8F3hqu9fGYLBifCmRCJsicFqDx/D68Rt3q1JMazcgBQ=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
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 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954 h1:RMLoZVzv4GliuWafOuPuQDKSm1SJph7uCRnnS61JAn4=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
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 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
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 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
-github.com/go-logfmt/logfmt v0.4.0 h1:MP4Eh7ZCb31lleYCFuwm0oe4/YGak+5l1vA2NOE80nA=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
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@@ -183,43 +116,30 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
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@@ -227,46 +147,31 @@ github.com/manifoldco/promptui v0.8.0 h1:R95mMF+McvXZQ7j1g8ucVZE1gLP3Sv6j9vlF9ky
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@@ -274,39 +179,26 @@ github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -315,25 +207,19 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykE
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
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@@ -341,30 +227,21 @@ github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5q
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 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
-go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -372,16 +249,13 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
 golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
-golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136 h1:A1gGSx58LAGVHUUsOf7IiR0u8Xb6W51gRwfDBhkdcaw=
 golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
-golang.org/x/image v0.0.0-20190802002840-cff245a6509b h1:+qEpEAPhDZ1o0x3tHzZTQDArnOixOzGD9HUJfcg0mb4=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -389,13 +263,10 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
-golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 h1:4+4C/Iv2U4fMZBiMCc98MG1In4gJY5YRhtpDNeDeHWs=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
-golang.org/x/mod v0.1.0 h1:sfUMP1Gu8qASkorDVjnMuvgJzwFbTZSeXFiGBYAVdl4=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -415,13 +286,11 @@ golang.org/x/net v0.0.0-20201110031124-69a78807bb2b h1:uwuIcX0g4Yl1NC5XAz37xsr2l
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
-golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 h1:SVwTIAaPC2U/AvvLNZ2a7OVsmBpC8L5BlwK1whH3hm0=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -445,16 +314,13 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201211090839-8ad439b19e0f h1:QdHQnPce6K4XQewki9WNbG5KOROuDzqO3NaYjI1cXJ0=
 golang.org/x/sys v0.0.0-20201211090839-8ad439b19e0f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -472,20 +338,16 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc h1:NCy3Ohtk6Iny5V/reW2Ktypo4zIpWBdRJ1uFMjBxdg8=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
-google.golang.org/api v0.13.0 h1:Q3Ui3V3/CVinFWFiW39Iw0kMuVrRzYX0wN6OPFp0lTA=
 google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -495,31 +357,23 @@ google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
-google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a h1:Ob5/580gVHBJZgXnff1cZDbG+xLtMVE5mDRTe+nIsX4=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.1 h1:j6XxA85m/6txkUCHvzlV5f+HBNl/1r5cZ2A/3IEFOO8=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0 h1:0vLT13EuvQ0hNvakwLuFZ/jYrLp5F3kcWHXdRggjCE8=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
 gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/resty.v1 v1.12.0 h1:CuXP0Pjfw9rOuY6EP+UvtNvt5DSqHpIxILZKT/quCZI=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -528,7 +382,5 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-rsc.io/binaryregexp v0.2.0 h1:HfqmD5MEmC0zvwBuF187nq9mdnXjXsSivRiXN7SmRkE=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
diff --git a/handlers/credentialsHandler.go b/handlers/credentialsHandler.go
index 08399f4..1784c83 100644
--- a/handlers/credentialsHandler.go
+++ b/handlers/credentialsHandler.go
@@ -23,8 +23,6 @@ import (
 	"net/http"
 
 	"github.com/netflix/weep/cache"
-
-	"github.com/netflix/weep/metadata"
 )
 
 func RoleHandler(w http.ResponseWriter, r *http.Request) {
@@ -43,7 +41,7 @@ func CredentialsHandler(w http.ResponseWriter, r *http.Request) {
 		log.Errorf("could not get credentials: %e", err)
 	}
 
-	credentialResponse := metadata.MetaDataCredentialResponse{
+	credentialResponse := MetaDataCredentialResponse{
 		Code:            "Success",
 		LastUpdated:     c.LastRefreshed.UTC().Format("2006-01-02T15:04:05Z"),
 		Type:            "AWS-HMAC",
diff --git a/handlers/ecsCredentialsHandler.go b/handlers/ecsCredentialsHandler.go
index d2d94cc..d1caf03 100644
--- a/handlers/ecsCredentialsHandler.go
+++ b/handlers/ecsCredentialsHandler.go
@@ -28,7 +28,6 @@ import (
 
 	"github.com/gorilla/mux"
 	"github.com/netflix/weep/creds"
-	"github.com/netflix/weep/metadata"
 )
 
 // parseAssumeRoleQuery extracts the assume query string argument, splits it on commas, validates that each element
@@ -81,7 +80,7 @@ func ECSMetadataServiceCredentialsHandler(w http.ResponseWriter, r *http.Request
 		return
 	}
 
-	credentialResponse := metadata.ECSMetaDataCredentialResponse{
+	credentialResponse := ECSMetaDataCredentialResponse{
 		AccessKeyId:     fmt.Sprintf("%s", cachedCredentials.AccessKeyID),
 		Expiration:      cached.Expiration.UTC().Format("2006-01-02T15:04:05Z"),
 		RoleArn:         cached.RoleArn,
diff --git a/handlers/iamInfoHandler.go b/handlers/iamInfoHandler.go
index 9bab763..d895a5f 100644
--- a/handlers/iamInfoHandler.go
+++ b/handlers/iamInfoHandler.go
@@ -22,19 +22,19 @@ import (
 	"fmt"
 	"net/http"
 
-	"github.com/netflix/weep/metadata"
 	"github.com/netflix/weep/util"
 )
 
 func IamInfoHandler(w http.ResponseWriter, r *http.Request) {
-
-	awsArn, _ := util.ArnParse(metadata.Role)
+	// TODO: this was crashing because of a nil pointer dereference. Fix it!
+	awsArn, _ := util.ArnParse("")
 
 	awsArn.ResourceType = "instance-profile"
 
-	iamInfo := metadata.MetaDataIamInfoResponse{
-		Code:               "Success",
-		LastUpdated:        metadata.LastRenewal.UTC().Format("2006-01-02T15:04:05Z"),
+	iamInfo := MetaDataIamInfoResponse{
+		Code: "Success",
+		//LastUpdated:        metadata.LastRenewal.UTC().Format("2006-01-02T15:04:05Z"),
+		LastUpdated:        "", // TODO: fix this
 		InstanceProfileARN: awsArn.ArnString(),
 		InstanceProfileID:  "AIPAI",
 	}
diff --git a/handlers/instanceIdentityDocument.go b/handlers/instanceIdentityDocument.go
index 33ae9ae..41b4f62 100644
--- a/handlers/instanceIdentityDocument.go
+++ b/handlers/instanceIdentityDocument.go
@@ -21,10 +21,10 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"time"
 
 	"github.com/netflix/weep/creds"
 
-	"github.com/netflix/weep/metadata"
 	"github.com/netflix/weep/util"
 )
 
@@ -33,8 +33,8 @@ var (
 )
 
 func InstanceIdentityDocumentHandler(w http.ResponseWriter, r *http.Request) {
-
-	awsArn, err := util.ArnParse(metadata.Role)
+	// TODO: this was crashing because of a nil pointer dereference. Fix it!
+	awsArn, err := util.ArnParse("")
 
 	if err != nil {
 		accountID = "123456789012"
@@ -42,7 +42,7 @@ func InstanceIdentityDocumentHandler(w http.ResponseWriter, r *http.Request) {
 		accountID = awsArn.AccountId
 	}
 
-	identityDocument := metadata.MetaDataInstanceIdentityDocumentResponse{
+	identityDocument := MetaDataInstanceIdentityDocumentResponse{
 		DevpayProductCodes:      []string{},
 		MarkerplaceProductCodes: []string{},
 		PrivateIP:               "100.1.2.3",
@@ -56,8 +56,9 @@ func InstanceIdentityDocumentHandler(w http.ResponseWriter, r *http.Request) {
 		AccountID:               accountID,
 		Architecture:            "x86_64",
 		ImageID:                 "ami-12345",
-		PendingTime:             creds.Time(metadata.LastRenewal.UTC()), //.Format("2006-01-02T15:04:05Z"),
-		Region:                  metadata.MetadataRegion,
+		//PendingTime:             creds.Time(metadata.LastRenewal.UTC()), //.Format("2006-01-02T15:04:05Z"),
+		PendingTime: creds.Time(time.Now()), // TODO: fix this
+		Region:      "",                     // TODO: set this based on config
 	}
 
 	b, err := json.Marshal(identityDocument)
diff --git a/handlers/middleware.go b/handlers/middleware.go
index 25b14ea..eba68ed 100644
--- a/handlers/middleware.go
+++ b/handlers/middleware.go
@@ -21,12 +21,11 @@ import (
 	"net/http"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/sirupsen/logrus"
 
 	"github.com/netflix/weep/util"
-
-	"github.com/netflix/weep/metadata"
 )
 
 // CredentialServiceMiddleware is a convenience wrapper that chains BrowserFilterMiddleware and AWSHeaderMiddleware
@@ -38,7 +37,7 @@ func AWSHeaderMiddleware(next http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 
 		w.Header().Set("ETag", strconv.FormatInt(rand.Int63n(10000000000), 10))
-		w.Header().Set("Last-Modified", metadata.LastRenewal.UTC().Format("2006-01-02T15:04:05Z"))
+		w.Header().Set("Last-Modified", time.Now().UTC().Format("2006-01-02T15:04:05Z")) // TODO: set this to cred refresh time
 		w.Header().Set("Server", "EC2ws")
 		w.Header().Set("Content-Type", "text/plain")
 
diff --git a/handlers/types.go b/handlers/types.go
new file mode 100644
index 0000000..2b83f43
--- /dev/null
+++ b/handlers/types.go
@@ -0,0 +1,46 @@
+package handlers
+
+import "github.com/netflix/weep/creds"
+
+type MetaDataCredentialResponse struct {
+	Code            string
+	LastUpdated     string
+	Type            string
+	AccessKeyId     string
+	SecretAccessKey string
+	Token           string
+	Expiration      string
+}
+
+type ECSMetaDataCredentialResponse struct {
+	AccessKeyId     string
+	SecretAccessKey string
+	Token           string
+	Expiration      string
+	RoleArn         string
+}
+
+type MetaDataIamInfoResponse struct {
+	Code               string `json:"Code"`
+	LastUpdated        string `json:"LastUpdated"`
+	InstanceProfileARN string `json:"InstanceProfileArn"`
+	InstanceProfileID  string `json:"InstanceProfileId"`
+}
+
+type MetaDataInstanceIdentityDocumentResponse struct {
+	DevpayProductCodes      []string   `json:"devpayProductCodes"`
+	MarkerplaceProductCodes []string   `json:"marketplaceProductCodes"`
+	PrivateIP               string     `json:"privateIp"`
+	Version                 string     `json:"version"`
+	InstanceID              string     `json:"instanceId"`
+	BillingProductCodes     []string   `json:"billingProducts"`
+	InstanceType            string     `json:"instanceType"`
+	AvailabilityZone        string     `json:"availabilityZone"`
+	KernelID                string     `json:"kernelId"`
+	RamdiskID               string     `json:"ramdiskId"`
+	AccountID               string     `json:"accountId"`
+	Architecture            string     `json:"architecture"`
+	ImageID                 string     `json:"imageId"`
+	PendingTime             creds.Time `json:"pendingTime"`
+	Region                  string     `json:"region"`
+}
diff --git a/httpAuth/mtls/certificate.go b/httpAuth/mtls/certificate.go
index e4d0f6b..d6090f2 100644
--- a/httpAuth/mtls/certificate.go
+++ b/httpAuth/mtls/certificate.go
@@ -1,13 +1,18 @@
 package mtls
 
 import (
+	"crypto/sha256"
 	"crypto/tls"
+	"crypto/x509"
+	"fmt"
 	"os"
 	"os/signal"
 	"sync"
 	"syscall"
 	"time"
 
+	"github.com/netflix/weep/metadata"
+
 	"github.com/sirupsen/logrus"
 
 	"github.com/bep/debounce"
@@ -17,7 +22,7 @@ import (
 // wrappedCertificate is a wrapper for a tls.Certificate that supports automatically
 // reloading the certificate when a file change is detected.
 type wrappedCertificate struct {
-	sync.Mutex
+	sync.RWMutex
 	certificate *tls.Certificate
 	certFile    string
 	keyFile     string
@@ -30,30 +35,26 @@ func newWrappedCertificate(certFile, keyFile string) (*wrappedCertificate, error
 		"certFile": certFile,
 		"keyFile":  keyFile,
 	}).Debug("creating wrapped certificate")
-	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
-	if err != nil {
-		return nil, err
-	}
 
 	wc := wrappedCertificate{
-		certificate: &cert,
-		certFile:    certFile,
-		keyFile:     keyFile,
+		certFile: certFile,
+		keyFile:  keyFile,
 	}
+	wc.loadCertificate()
 	go wc.autoRefresh()
 	return &wc, nil
 }
 
 // getCertificate is a function to be used as the GetClientCertificate member of a tls.Config
 func (wc *wrappedCertificate) getCertificate(clientHello *tls.CertificateRequestInfo) (*tls.Certificate, error) {
-	wc.Lock()
-	defer wc.Unlock()
+	wc.RLock()
+	defer wc.RUnlock()
 
 	return wc.certificate, nil
 }
 
-// reloadCertificate replaces certificate with a new keypair loaded in from the filesystem.
-func (wc *wrappedCertificate) reloadCertificate() {
+// loadCertificate replaces certificate with a keypair loaded in from the filesystem.
+func (wc *wrappedCertificate) loadCertificate() {
 	log.Debug("reloading mTLS certificate")
 	wc.Lock()
 	defer wc.Unlock()
@@ -63,6 +64,7 @@ func (wc *wrappedCertificate) reloadCertificate() {
 		return
 	}
 	wc.certificate = &cert
+	wc.updateInstanceInfo()
 }
 
 func (wc *wrappedCertificate) autoRefresh() {
@@ -95,7 +97,7 @@ func (wc *wrappedCertificate) autoRefresh() {
 				}
 				log.Infof("event received: %v", event)
 				if event.Op&fsnotify.Write == fsnotify.Write {
-					debounced(func() { wc.reloadCertificate() })
+					debounced(func() { wc.loadCertificate() })
 				}
 			case watcherError, ok := <-watcher.Errors:
 				if !ok {
@@ -118,3 +120,26 @@ func (wc *wrappedCertificate) autoRefresh() {
 	<-interrupt
 	log.Debug("stopping mTLS cert auto-refresher")
 }
+
+func (wc *wrappedCertificate) Fingerprint() string {
+	fingerprintBytes := sha256.Sum256(wc.certificate.Certificate[0])
+	return fmt.Sprintf("%x", fingerprintBytes)
+}
+
+func (wc *wrappedCertificate) CreateTime() time.Time {
+	var createTime time.Time
+	x509cert, err := x509.ParseCertificate(wc.certificate.Certificate[0])
+	if err != nil {
+		// TODO: handle this better
+		fmt.Printf("ow: %v\n", err)
+		return createTime
+	}
+	createTime = x509cert.NotBefore
+	return createTime
+}
+
+// updateInstanceInfo makes a call to update the metadata package with the creation time
+// and fingerprint of the newly-loaded certificate.
+func (wc *wrappedCertificate) updateInstanceInfo() {
+	metadata.SetCertInfo(wc.CreateTime(), wc.Fingerprint())
+}
diff --git a/metadata/metadata.go b/metadata/metadata.go
index 11d3af0..2d590b9 100644
--- a/metadata/metadata.go
+++ b/metadata/metadata.go
@@ -16,10 +16,66 @@
 
 package metadata
 
-import "github.com/netflix/weep/creds"
+import (
+	"os"
+	"os/user"
+	"time"
+
+	"github.com/netflix/weep/logging"
+)
 
 var (
-	Role           string
-	MetadataRegion string
-	LastRenewal    creds.Time
+	certCreationTime time.Time
+	certFingerprint  string
+	weepMethod       string
+	log              = logging.GetLogger()
 )
+
+// GetInstanceInfo populates and returns an InstanceInfo, most likely to be used as
+// request metadata.
+func GetInstanceInfo() *InstanceInfo {
+	currentTime := time.Now()
+	currentInstanceInfo := &InstanceInfo{
+		Hostname:        hostname(),
+		Username:        username(),
+		CertAgeSeconds:  elapsedSeconds(certCreationTime, currentTime),
+		CertFingerprint: certFingerprint,
+		WeepVersion:     Version,
+		WeepMethod:      weepMethod,
+	}
+	return currentInstanceInfo
+}
+
+func elapsedSeconds(startTime, endTime time.Time) int {
+	if startTime.IsZero() || endTime.IsZero() {
+		return 0
+	}
+	diff := endTime.Sub(startTime).Seconds()
+	return int(diff)
+}
+
+// SetCertInfo stores the creation time and fingerprint of the in-use mTLS certificate.
+func SetCertInfo(creationTime time.Time, fingerprint string) {
+	certCreationTime = creationTime
+	certFingerprint = fingerprint
+}
+
+func SetWeepMethod(command string) {
+	weepMethod = command
+}
+
+func hostname() string {
+	h, err := os.Hostname()
+	if err != nil {
+		log.Errorf("failed to get hostname: %v", err)
+	}
+	return h
+}
+
+func username() string {
+	u, err := user.Current()
+	if err != nil {
+		log.Errorf("failed to get username: %v", err)
+	}
+	return u.Username
+}
diff --git a/metadata/metadata_test.go b/metadata/metadata_test.go
new file mode 100644
index 0000000..16cb6b5
--- /dev/null
+++ b/metadata/metadata_test.go
@@ -0,0 +1,110 @@
+package metadata
+
+import (
+	"os"
+	"os/user"
+	"testing"
+	"time"
+)
+
+func TestGetInstanceInfo(t *testing.T) {
+	expectedHostname, _ := os.Hostname()
+	u, _ := user.Current()
+	expectedUsername := u.Username
+	timeDiff := time.Second * 5
+	certCreationTime = time.Now().Add(-timeDiff)
+	certFingerprint = "👉🖨"
+	result := GetInstanceInfo()
+	if result.Hostname != expectedHostname {
+		t.Errorf("hostname: expected %s, got %s", expectedHostname, result.Hostname)
+	}
+	if result.Username != expectedUsername {
+		t.Errorf("username: expected %s, got %s", expectedUsername, result.Username)
+	}
+	if !(result.CertAgeSeconds >= 4 && result.CertAgeSeconds <= 6) {
+		t.Errorf("cert age seconds: expected 4 <= x <= 6, got %d", result.CertAgeSeconds)
+	}
+	if result.CertFingerprint != certFingerprint {
+		t.Errorf("cert fingerprint: expected %s, got %s", certFingerprint, result.CertFingerprint)
+	}
+	if result.WeepVersion != Version {
+		t.Errorf("weep version: expected %s, got %s", Version, result.WeepVersion)
+	}
+	// TODO: check WeepMethod when that's implemented
+}
+
+func TestElapsedSeconds(t *testing.T) {
+	cases := []struct {
+		Description string
+		StartTime   time.Time
+		EndTime     time.Time
+		Expected    int
+	}{
+		{
+			Description: "happy path, start before end",
+			StartTime:   time.Unix(50000, 0),
+			EndTime:     time.Unix(50005, 0),
+			Expected:    5,
+		},
+		{
+			Description: "start before end with ns",
+			StartTime:   time.Unix(50000, 123),
+			EndTime:     time.Unix(50005, 321),
+			Expected:    5,
+		},
+		{
+			Description: "end before start",
+			StartTime:   time.Unix(50005, 0),
+			EndTime:     time.Unix(50000, 0),
+			Expected:    -5,
+		},
+		{
+			Description: "zero start time",
+			StartTime:   time.Time{},
+			EndTime:     time.Unix(50000, 0),
+			Expected:    0,
+		},
+		{
+			Description: "zero end time",
+			StartTime:   time.Time{},
+			EndTime:     time.Unix(0, 0),
+			Expected:    0,
+		},
+	}
+	for i, tc := range cases {
+		t.Logf("test case %d: %s", i, tc.Description)
+		result := elapsedSeconds(tc.StartTime, tc.EndTime)
+		if result != tc.Expected {
+			t.Errorf("%s failed: expected %d, got %d", tc.Description, tc.Expected, result)
+		}
+	}
+}
+
+func TestSetCertInfo(t *testing.T) {
+	creationTime := time.Now()
+	fingerprint := "👉🖨"
+	SetCertInfo(creationTime, fingerprint)
+	if certCreationTime != creationTime {
+		t.Errorf("set cert creation time failed: expected %v, got %v", creationTime, certCreationTime)
+	}
+	if certFingerprint != fingerprint {
+		t.Errorf("set cert fingerprint failed: expected %s, got %s", fingerprint, certFingerprint)
+	}
+}
+
+func TestHostname(t *testing.T) {
+	expected, _ := os.Hostname()
+	result := hostname()
+	if result != expected {
+		t.Errorf("hostname failed: expected %s, got %s", expected, result)
+	}
+}
+
+func TestUsername(t *testing.T) {
+	u, _ := user.Current()
+	expected := u.Username
+	result := username()
+	if result != expected {
+		t.Errorf("hostname failed: expected %s, got %s", expected, result)
+	}
+}
diff --git a/metadata/types.go b/metadata/types.go
index 3cd6cc9..5fa110d 100644
--- a/metadata/types.go
+++ b/metadata/types.go
@@ -16,60 +16,11 @@
 
 package metadata
 
-import (
-	"sync"
-
-	"github.com/netflix/weep/creds"
-)
-
-type Credentials struct {
-	sync.Mutex
-	Role                string
-	NoIpRestrict        bool
-	metaDataCredentials *creds.AwsCredentials
-	MetadataRegion      string
-	LastRenewal         creds.Time
-}
-
-type MetaDataCredentialResponse struct {
-	Code            string
-	LastUpdated     string
-	Type            string
-	AccessKeyId     string
-	SecretAccessKey string
-	Token           string
-	Expiration      string
-}
-
-type ECSMetaDataCredentialResponse struct {
-	AccessKeyId     string
-	SecretAccessKey string
-	Token           string
-	Expiration      string
-	RoleArn         string
-}
-
-type MetaDataIamInfoResponse struct {
-	Code               string `json:"Code"`
-	LastUpdated        string `json:"LastUpdated"`
-	InstanceProfileARN string `json:"InstanceProfileArn"`
-	InstanceProfileID  string `json:"InstanceProfileId"`
-}
-
-type MetaDataInstanceIdentityDocumentResponse struct {
-	DevpayProductCodes      []string   `json:"devpayProductCodes"`
-	MarkerplaceProductCodes []string   `json:"marketplaceProductCodes"`
-	PrivateIP               string     `json:"privateIp"`
-	Version                 string     `json:"version"`
-	InstanceID              string     `json:"instanceId"`
-	BillingProductCodes     []string   `json:"billingProducts"`
-	InstanceType            string     `json:"instanceType"`
-	AvailabilityZone        string     `json:"availabilityZone"`
-	KernelID                string     `json:"kernelId"`
-	RamdiskID               string     `json:"ramdiskId"`
-	AccountID               string     `json:"accountId"`
-	Architecture            string     `json:"architecture"`
-	ImageID                 string     `json:"imageId"`
-	PendingTime             creds.Time `json:"pendingTime"`
-	Region                  string     `json:"region"`
+type InstanceInfo struct {
+	Hostname        string `json:"hostname"`
+	Username        string `json:"username"`
+	CertAgeSeconds  int    `json:"cert_age,omitempty"`
+	CertFingerprint string `json:"cert_fingerprint,omitempty"`
+	WeepVersion     string `json:"weep_version"`
+	WeepMethod      string `json:"weep_method"`
 }
diff --git a/metadata/version.go b/metadata/version.go
new file mode 100644
index 0000000..f44ad2f
--- /dev/null
+++ b/metadata/version.go
@@ -0,0 +1,53 @@
+package metadata
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/netflix/weep/config"
+)
+
+var (
+	Commit  string
+	Date    string
+	Version string
+)
+
+// VersionInfo contains information about the program's version.
+type VersionInfo struct {
+	Revision  string
+	Version   string
+	BuildDate string
+}
+
+// GetVersion returns the program's version information via a VersionInfo pointer.
+func GetVersion() *VersionInfo {
+	ver := Version
+
+	return &VersionInfo{
+		Revision:  Commit,
+		Version:   ver,
+		BuildDate: Date,
+	}
+}
+
+func (c *VersionInfo) String() string {
+	var versionString bytes.Buffer
+
+	if Version == "" {
+		_, _ = fmt.Fprintf(&versionString, "weep (version unknown)")
+	}
+	_, _ = fmt.Fprintf(&versionString, "weep %s", c.Version)
+
+	if c.Revision != "" {
+		_, _ = fmt.Fprintf(&versionString, " (%s)", c.Revision)
+	}
+
+	_, _ = fmt.Fprintf(&versionString, " Built on: %s", Date)
+
+	if config.EmbeddedConfigFile != "" {
+		_, _ = fmt.Fprintf(&versionString, " with embedded config %s", config.EmbeddedConfigFile)
+	}
+
+	return versionString.String()
+}
diff --git a/version/version.go b/version/version.go
index fd6624d..7a175a1 100644
--- a/version/version.go
+++ b/version/version.go
@@ -15,55 +15,3 @@
  */
 
 package version
-
-import (
-	"bytes"
-	"fmt"
-
-	"github.com/netflix/weep/config"
-)
-
-var (
-	Commit  string
-	Date    string
-	Version string
-)
-
-// VersionInfo contains information about the program's version.
-type VersionInfo struct {
-	Revision  string
-	Version   string
-	BuildDate string
-}
-
-// GetVersion returns the program's version information via a VersionInfo pointer.
-func GetVersion() *VersionInfo {
-	ver := Version
-
-	return &VersionInfo{
-		Revision:  Commit,
-		Version:   ver,
-		BuildDate: Date,
-	}
-}
-
-func (c *VersionInfo) String() string {
-	var versionString bytes.Buffer
-
-	if Version == "" {
-		_, _ = fmt.Fprintf(&versionString, "weep (version unknown)")
-	}
-	_, _ = fmt.Fprintf(&versionString, "weep %s", c.Version)
-
-	if c.Revision != "" {
-		_, _ = fmt.Fprintf(&versionString, " (%s)", c.Revision)
-	}
-
-	_, _ = fmt.Fprintf(&versionString, " Built on: %s", Date)
-
-	if config.EmbeddedConfigFile != "" {
-		_, _ = fmt.Fprintf(&versionString, " with embedded config %s", config.EmbeddedConfigFile)
-	}
-
-	return versionString.String()
-}