Update to ACK runtime v0.27.1, code-generator v0.27.0 (#148)

ack-bot · web-flow · commit 685cd7e0fec4 · 2023-09-07T03:59:04.000Z
### Update to ACK runtime `v0.27.1`, code-generator `v0.27.0` ---------- * ACK code-generator `v0.27.0` [release notes](https://github.com/aws-controllers-k8s/code-generator/releases/tag/v0.27.0) * ACK runtime `v0.27.1` [release notes](https://github.com/aws-controllers-k8s/runtime/releases/tag/v0.27.1) ---------- NOTE: This PR increments the release version of service controller from `v1.0.4` to `v1.0.5` Once this PR is merged, release `v1.0.5` will be automatically created for `ec2-controller` **Please close this PR, if you do not want the new patch release for `ec2-controller`** ---------- #### stdout for `make build-controller`: ``` building ack-generate ... ok. ==== building ec2-controller ==== Copying common custom resource definitions into ec2 Building Kubernetes API objects for ec2 Generating deepcopy code for ec2 Generating custom resource definitions for ec2 Building service controller for ec2 Generating RBAC manifests for ec2 Running gofmt against generated code for ec2 Updating additional GitHub repository maintenance files ==== building ec2-controller release artifacts ==== Building release artifacts for ec2-v1.0.5 Generating common custom resource definitions Generating custom resource definitions for ec2 Generating RBAC manifests for ec2 ``` ---------- By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
diff --git a/apis/v1alpha1/ack-generate-metadata.yaml b/apis/v1alpha1/ack-generate-metadata.yaml
@@ -1,8 +1,8 @@
 ack_generate_info:
-  build_date: "2023-07-24T10:40:26Z"
-  build_hash: e9b68590da73ce9143ba1e4361cebdc1d876c81e
-  go_version: go1.19
-  version: v0.26.1-7-ge9b6859
+  build_date: "2023-09-07T01:09:56Z"
+  build_hash: 2f2b5e916c59ae2a793a1cc9f9d7333b197c9549
+  go_version: go1.21.0
+  version: v0.27.0
 api_directory_checksum: cd75b9b3537b16abdbf981cc60ab948e978ad939
 api_version: v1alpha1
 aws_sdk_go_version: v1.44.93
diff --git a/cmd/controller/main.go b/cmd/controller/main.go
diff --git a/config/controller/deployment.yaml b/config/controller/deployment.yaml
@@ -29,14 +29,16 @@ spec:
         - "$(AWS_REGION)"
         - --aws-endpoint-url
         - "$(AWS_ENDPOINT_URL)"
-        - --enable-development-logging
-        - "$(ACK_ENABLE_DEVELOPMENT_LOGGING)"
+        - --enable-development-logging=$(ACK_ENABLE_DEVELOPMENT_LOGGING)
         - --log-level
         - "$(ACK_LOG_LEVEL)"
         - --resource-tags
         - "$(ACK_RESOURCE_TAGS)"
         - --watch-namespace
         - "$(ACK_WATCH_NAMESPACE)"
+        - --enable-leader-election=$(ENABLE_LEADER_ELECTION)
+        - --leader-election-namespace
+        - "$(LEADER_ELECTION_NAMESPACE)"
         image: controller:latest
         name: controller
         ports:
@@ -66,6 +68,10 @@ spec:
           value: "info"
         - name: ACK_RESOURCE_TAGS
           value: "services.k8s.aws/controller-version=%CONTROLLER_SERVICE%-%CONTROLLER_VERSION%,services.k8s.aws/namespace=%K8S_NAMESPACE%"
+        - name: ENABLE_LEADER_ELECTION
+          value: "false"
+        - name: LEADER_ELECTION_NAMESPACE
+          value: "ack-system"
         securityContext:
           allowPrivilegeEscalation: false
           privileged: false
diff --git a/config/controller/kustomization.yaml b/config/controller/kustomization.yaml
@@ -6,4 +6,4 @@ kind: Kustomization
 images:
 - name: controller
   newName: public.ecr.aws/aws-controllers-k8s/ec2-controller
-  newTag: 1.0.4
+  newTag: 1.0.5
diff --git a/config/rbac/kustomization.yaml b/config/rbac/kustomization.yaml
@@ -4,4 +4,5 @@ resources:
 - role-reader.yaml
 - role-writer.yaml
 - service-account.yaml
-
+- leader-election-role.yaml
+- leader-election-role-binding.yaml
diff --git a/config/rbac/leader-election-role-binding.yaml b/config/rbac/leader-election-role-binding.yaml
@@ -0,0 +1,14 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  namespace: ack-system
+  name: ec2-leader-election-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: ec2-leader-election-role
+subjects:
+- kind: ServiceAccount
+  name: ack-ec2-controller
+  namespace: ack-system
diff --git a/config/rbac/leader-election-role.yaml b/config/rbac/leader-election-role.yaml
@@ -0,0 +1,26 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: ec2-leader-election-role
+  namespace: ack-system
+rules:
+- apiGroups:
+  - coordination.k8s.io
+  resources:
+  - leases
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create
+  - patch
diff --git a/go.mod b/go.mod
@@ -3,13 +3,14 @@ module github.com/aws-controllers-k8s/ec2-controller
 go 1.19
 
 require (
-	github.com/aws-controllers-k8s/runtime v0.26.0
+	github.com/aws-controllers-k8s/runtime v0.27.1
 	github.com/aws/aws-sdk-go v1.44.93
 	github.com/go-logr/logr v1.2.3
+	github.com/samber/lo v1.37.0
 	github.com/spf13/pflag v1.0.5
-	k8s.io/api v0.26.1
-	k8s.io/apimachinery v0.26.1
-	k8s.io/client-go v0.26.1
+	k8s.io/api v0.26.8
+	k8s.io/apimachinery v0.26.8
+	k8s.io/client-go v0.26.8
 	sigs.k8s.io/controller-runtime v0.14.5
 )
 
@@ -31,7 +32,7 @@ require (
 	github.com/google/gnostic v0.5.7-v3refs // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/gofuzz v1.1.0 // indirect
-	github.com/google/uuid v1.1.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/itchyny/gojq v0.12.6 // indirect
 	github.com/itchyny/timefmt-go v0.1.3 // indirect
@@ -49,16 +50,15 @@ require (
 	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/common v0.37.0 // indirect
 	github.com/prometheus/procfs v0.8.0 // indirect
-	github.com/samber/lo v1.37.0 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
 	golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 // indirect
-	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
 	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b // indirect
-	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/term v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/term v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
diff --git a/go.sum b/go.sum
@@ -38,8 +38,8 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/aws-controllers-k8s/runtime v0.26.0 h1:XKqygFzHSBtM74Ov9IroZbyCVeYei9Eskp4aKbJ2SFw=
-github.com/aws-controllers-k8s/runtime v0.26.0/go.mod h1:jizDzKikL09cueIuA9ZxoZ+4pfn5U7oKW5s/ZAqOA6E=
+github.com/aws-controllers-k8s/runtime v0.27.1 h1:tvJRQDioBFkob0kF4DwgS7MsoXZKwkG5QCHWxFEh+2o=
+github.com/aws-controllers-k8s/runtime v0.27.1/go.mod h1:oSCqCzbzJLUrzv+cx4TIxCuSUvL75ABJmhxBc87IRqc=
 github.com/aws/aws-sdk-go v1.44.93 h1:hAgd9fuaptBatSft27/5eBMdcA8+cIMqo96/tZ6rKl8=
 github.com/aws/aws-sdk-go v1.44.93/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
@@ -163,8 +163,8 @@ github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hf
 github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
-github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
-github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
@@ -369,8 +369,8 @@ golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
-golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
 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/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -431,21 +431,21 @@ golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.5.0 h1:n2a8QNdAb0sZNpU9R1ALUXBbY+w51fCQDN+7EdxNBsY=
-golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/term v0.6.0 h1:clScbb1cHjoCkyRbWwBEUZ5H/tIFu5TAXIqaZD0Gcjw=
+golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 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/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
-golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -609,14 +609,14 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.26.1 h1:f+SWYiPd/GsiWwVRz+NbFyCgvv75Pk9NK6dlkZgpCRQ=
-k8s.io/api v0.26.1/go.mod h1:xd/GBNgR0f707+ATNyPmQ1oyKSgndzXij81FzWGsejg=
+k8s.io/api v0.26.8 h1:k2OtFmQPWfDUyAuYAwQPftVygF/vz4BMGSKnd15iddM=
+k8s.io/api v0.26.8/go.mod h1:QaflR7cmG3V9lIz0VLBM+ylndNN897OAUAoJDcgwiQw=
 k8s.io/apiextensions-apiserver v0.26.1 h1:cB8h1SRk6e/+i3NOrQgSFij1B2S0Y0wDoNl66bn8RMI=
 k8s.io/apiextensions-apiserver v0.26.1/go.mod h1:AptjOSXDGuE0JICx/Em15PaoO7buLwTs0dGleIHixSM=
-k8s.io/apimachinery v0.26.1 h1:8EZ/eGJL+hY/MYCNwhmDzVqq2lPl3N3Bo8rvweJwXUQ=
-k8s.io/apimachinery v0.26.1/go.mod h1:tnPmbONNJ7ByJNz9+n9kMjNP8ON+1qoAIIC70lztu74=
-k8s.io/client-go v0.26.1 h1:87CXzYJnAMGaa/IDDfRdhTzxk/wzGZ+/HUQpqgVSZXU=
-k8s.io/client-go v0.26.1/go.mod h1:IWNSglg+rQ3OcvDkhY6+QLeasV4OYHDjdqeWkDQZwGE=
+k8s.io/apimachinery v0.26.8 h1:SzpGtRX3/j/Ylg8Eg65Iobpxi9Jz4vOvI0qcBZyPVrM=
+k8s.io/apimachinery v0.26.8/go.mod h1:qYzLkrQ9lhrZRh0jNKo2cfvf/R1/kQONnSiyB7NUJU0=
+k8s.io/client-go v0.26.8 h1:pPuTYaVtLlg/7n6rqs3MsKLi4XgNaJ3rTMyS37Y5CKU=
+k8s.io/client-go v0.26.8/go.mod h1:1sBQqKmdy9rWZYQnoedpc0gnRXG7kU3HrKZvBe2QbGM=
 k8s.io/component-base v0.26.1 h1:4ahudpeQXHZL5kko+iDHqLj/FSGAEUnSVO0EBbgDd+4=
 k8s.io/component-base v0.26.1/go.mod h1:VHrLR0b58oC035w6YQiBSbtsf0ThuSwXP+p5dD/kAWU=
 k8s.io/klog/v2 v2.80.1 h1:atnLQ121W371wYYFawwYx1aEY2eUfs4l3J72wtgAwV4=
diff --git a/helm/Chart.yaml b/helm/Chart.yaml
@@ -1,8 +1,8 @@
 apiVersion: v1
 name: ec2-chart
 description: A Helm chart for the ACK service controller for Amazon Elastic Cloud Compute (EC2)
-version: 1.0.4
-appVersion: 1.0.4
+version: 1.0.5
+appVersion: 1.0.5
 home: https://github.com/aws-controllers-k8s/ec2-controller
 icon: https://raw.githubusercontent.com/aws/eks-charts/master/docs/logo/aws.png
 sources:
diff --git a/helm/templates/NOTES.txt b/helm/templates/NOTES.txt
@@ -1,5 +1,5 @@
 {{ .Chart.Name }} has been installed.
-This chart deploys "public.ecr.aws/aws-controllers-k8s/ec2-controller:1.0.4".
+This chart deploys "public.ecr.aws/aws-controllers-k8s/ec2-controller:1.0.5".
 
 Check its status by running:
   kubectl --namespace {{ .Release.Namespace }} get pods -l "app.kubernetes.io/instance={{ .Release.Name }}"
diff --git a/helm/templates/deployment.yaml b/helm/templates/deployment.yaml
@@ -49,7 +49,7 @@ spec:
         - --aws-endpoint-url
         - "$(AWS_ENDPOINT_URL)"
         - --enable-development-logging
-        - "$(ACK_ENABLE_DEVELOPMENT_LOGGING)"
+        - "$(ENABLE_DEVELOPMENT_LOGGING)"
         - --log-level
         - "$(ACK_LOG_LEVEL)"
         - --resource-tags
@@ -58,6 +58,10 @@ spec:
         - "$(ACK_WATCH_NAMESPACE)"
         - --deletion-policy
         - "$(DELETION_POLICY)"
+        - --enable-leader-election
+        - "$(ENABLE_LEADER_ELECTION)"
+        - --leader-election-namespace
+        - "$(LEADER_ELECTION_NAMESPACE)"
 {{- if gt .Values.reconcile.defaultResyncPeriod 0.0 }}
         - --reconcile-default-resync-seconds
         - "$(RECONCILE_DEFAULT_RESYNC_SECONDS)"
@@ -87,6 +91,10 @@ spec:
           value: {{ include "watch-namespace" . }}
         - name: DELETION_POLICY
           value: {{ .Values.deletionPolicy }}
+        - name: ENABLED_LEADER_ELECTION
+          value: {{ .Values.leaderElection.enabled | quote }}
+        - name: LEADER_ELECTION_NAMESPACE
+          value: {{ .Values.leaderElection.namespace | quote }}
         - name: ACK_ENABLE_DEVELOPMENT_LOGGING
           value: {{ .Values.log.enable_development_logging | quote }}
         - name: ACK_LOG_LEVEL
diff --git a/helm/templates/leader-election-role-binding.yaml b/helm/templates/leader-election-role-binding.yaml
@@ -0,0 +1,18 @@
+{{ if .Values.leaderElection.enabled }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: ec2-leader-election-rolebinding
+{{ if .Values.leaderElection.namespace }}
+  namespace: {{ .Values.leaderElection.namespace }}
+{{ else }}
+  namespace: {{ .Release.Namespace }}
+{{ end }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: ec2-leader-election-role
+subjects:
+- kind: ServiceAccount
+  name: ack-ec2-controller
+  namespace: {{ .Release.Namespace }}{{- end }}
diff --git a/helm/templates/leader-election-role.yaml b/helm/templates/leader-election-role.yaml
@@ -0,0 +1,30 @@
+{{ if .Values.leaderElection.enabled }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: ec2-leader-election-role
+{{ if .Values.leaderElection.namespace }}
+  namespace: {{ .Values.leaderElection.namespace }}
+{{ else }}
+  namespace: {{ .Release.Namespace }}
+{{ end }}
+rules:
+- apiGroups:
+  - coordination.k8s.io
+  resources:
+  - leases
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create
+  - patch{{- end }}
diff --git a/helm/values.schema.json b/helm/values.schema.json
@@ -231,6 +231,18 @@
       },
       "type": "object"
     },
+    "leaderElection": {
+      "description": "Parameter to configure the controller's leader election system.",
+      "properties": {
+        "enabled": {
+          "type": "boolean"
+        },
+        "namespace": {
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "serviceAccount": {
       "description": "ServiceAccount settings",
       "properties": {
diff --git a/helm/values.yaml b/helm/values.yaml
@@ -4,7 +4,7 @@
 
 image:
   repository: public.ecr.aws/aws-controllers-k8s/ec2-controller
-  tag: 1.0.4
+  tag: 1.0.5
   pullPolicy: IfNotPresent
   pullSecrets: []
 
@@ -121,3 +121,15 @@ serviceAccount:
   name: ack-ec2-controller
   annotations: {}
     # eks.amazonaws.com/role-arn: arn:aws:iam::AWS_ACCOUNT_ID:role/IAM_ROLE_NAME
+
+# Configuration of the leader election. Required for running multiple instances of the
+# controller within the same cluster.
+# See https://kubernetes.io/docs/concepts/architecture/leases/#leader-election
+leaderElection:
+  # Enable Controller Leader Election. Set this to true to enable leader election
+  # for this controller.
+  enabled: false
+  # Leader election can be scoped to a specific namespace. By default, the controller
+  # will attempt to use the namespace of the service account mounted to the Controller
+  # pod.
+  namespace: ""
