Improved HelmRelease deletion

api/v1alpha1/deployment_types.go

@@ -23,10 +23,13 @@ import (
 
 const (
 	DeploymentFinalizer = "hmc.mirantis.com/deployment"
+	BlockingFinalizer   = "hmc.mirantis.com/do-not-delete"
 
 	FluxHelmChartNameKey = "helm.toolkit.fluxcd.io/name"
 	HMCManagedLabelKey   = "hmc.mirantis.com/managed"
 	HMCManagedLabelValue = "true"
+
+	ClusterNameLabelKey = "cluster.x-k8s.io/cluster-name"
 )
 
 const (

cmd/main.go

@@ -29,6 +29,7 @@ import (
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/client-go/dynamic"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+	capiaws "sigs.k8s.io/cluster-api-provider-aws/v2/api/v1beta2"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/healthz"
 	"sigs.k8s.io/controller-runtime/pkg/log/zap"
@@ -53,6 +54,7 @@ func init() {
 	utilruntime.Must(hmcmirantiscomv1alpha1.AddToScheme(scheme))
 	utilruntime.Must(sourcev1.AddToScheme(scheme))
 	utilruntime.Must(hcv2.AddToScheme(scheme))
+	utilruntime.Must(capiaws.AddToScheme(scheme))
 	//+kubebuilder:scaffold:scheme
 }
 

go.mod

@@ -20,6 +20,7 @@ require (
 	k8s.io/apiextensions-apiserver v0.31.0
 	k8s.io/apimachinery v0.31.0
 	k8s.io/client-go v0.31.0
+	sigs.k8s.io/cluster-api-provider-aws/v2 v2.6.1
 	sigs.k8s.io/controller-runtime v0.19.0
 )
 
@@ -34,6 +35,7 @@ require (
 	github.com/Masterminds/squirrel v1.5.4 // indirect
 	github.com/Microsoft/hcsshim v0.11.4 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
+	github.com/aws/aws-sdk-go v1.51.17 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
@@ -88,6 +90,7 @@ require (
 	github.com/huandu/xstrings v1.4.0 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/jmespath/go-jmespath v0.4.1-0.20220621161143-b0104c826a24 // indirect
 	github.com/jmoiron/sqlx v1.3.5 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -99,7 +102,7 @@ require (
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
@@ -117,14 +120,15 @@ require (
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.55.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/rivo/uniseg v0.4.2 // indirect
 	github.com/rubenv/sql-migrate v1.5.2 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/segmentio/backo-go v1.1.0 // indirect
 	github.com/shopspring/decimal v1.3.1 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
-	github.com/spf13/cast v1.5.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/cobra v1.8.1 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/pflag v1.0.6-0.20210604193023-d5e0c0615ace // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
@@ -164,6 +168,7 @@ require (
 	k8s.io/kubectl v0.31.0 // indirect
 	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect
 	oras.land/oras-go v1.2.5 // indirect
+	sigs.k8s.io/cluster-api v1.7.1 // indirect
 	sigs.k8s.io/gateway-api v1.1.0 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/kustomize/api v0.17.3 // indirect

go.sum

@@ -29,6 +29,8 @@ github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPd
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3dyBCFEj5IhUbnKptjxatkF07cF2ak3yi77so=
 github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
+github.com/aws/aws-sdk-go v1.51.17 h1:Cfa40lCdjv9OxC3X1Ks3a6O1Tu3gOANSyKHOSw/zuWU=
+github.com/aws/aws-sdk-go v1.51.17/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -143,6 +145,8 @@ github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LB
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
 github.com/go-task/slim-sprig/v3 v3.0.0/go.mod h1:W848ghGpv3Qj3dhTPRyJypKRiqCdHZiAzKg9hl15HA8=
+github.com/gobuffalo/flect v1.0.2 h1:eqjPGSo2WmjgY2XlpGwo2NXgL3RucAKo4k4qQMNA5sA=
+github.com/gobuffalo/flect v1.0.2/go.mod h1:A5msMlrHtLqh9umBSnvabjsMrCcCpAyzglnDvkbYKHs=
 github.com/gobuffalo/logger v1.0.6 h1:nnZNpxYo0zx+Aj9RfMPBm+x9zAU2OayFh/xrAWi34HU=
 github.com/gobuffalo/logger v1.0.6/go.mod h1:J31TBEHR1QLV2683OXTAItYIg8pv2JMHnF/quuAbMjs=
 github.com/gobuffalo/packd v1.0.1 h1:U2wXfRr4E9DH8IdsDLlRFwTZTK7hLfq9qT/QHXGVe/0=
@@ -156,6 +160,8 @@ github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
+github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -212,6 +218,10 @@ github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4=
 github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/jmespath/go-jmespath v0.4.1-0.20220621161143-b0104c826a24 h1:liMMTbpW34dhU4az1GN0pTPADwNmvoRSeoZ6PItiqnY=
+github.com/jmespath/go-jmespath v0.4.1-0.20220621161143-b0104c826a24/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
+github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
+github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
 github.com/jmoiron/sqlx v1.3.5 h1:vFFPA71p1o5gAeqtEAwLU4dnX2napprKtHr7PYIcN3g=
 github.com/jmoiron/sqlx v1.3.5/go.mod h1:nRVWtLre0KfCLJvgxzCsLVMogSvQ1zNJtpYr2Ccp0mQ=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
@@ -257,8 +267,8 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
-github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
+github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/mattn/go-sqlite3 v1.14.15 h1:vfoHhTN1af61xCRSWzFIWzx2YskyMTwHLrExkBOjvxI=
 github.com/mattn/go-sqlite3 v1.14.15/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
@@ -333,6 +343,9 @@ github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsT
 github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.2 h1:YwD0ulJSJytLpiaWua0sBDusfsCZohxjxzVTYjwxfV8=
+github.com/rivo/uniseg v0.4.2/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
 github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
 github.com/rubenv/sql-migrate v1.5.2 h1:bMDqOnrJVV/6JQgQ/MxOpU+AdO8uzYYA/TxFUBzFtS0=
@@ -343,21 +356,22 @@ github.com/segmentio/analytics-go v3.1.0+incompatible h1:IyiOfUgQFVHvsykKKbdI7Zs
 github.com/segmentio/analytics-go v3.1.0+incompatible/go.mod h1:C7CYBtQWk4vRk2RyLu0qOcbHJ18E3F1HV2C/8JvKN48=
 github.com/segmentio/backo-go v1.1.0 h1:cJIfHQUdmLsd8t9IXqf5J8SdrOMn9vMa7cIvOavHAhc=
 github.com/segmentio/backo-go v1.1.0/go.mod h1:ckenwdf+v/qbyhVdNPWHnqh2YdJBED1O9cidYyM5J18=
-github.com/sergi/go-diff v1.2.0 h1:XU+rvMAioB0UC3q1MFrIQy4Vo5/4VsRDQQXHsEya6xQ=
-github.com/sergi/go-diff v1.2.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM=
+github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
+github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
 github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/shopspring/decimal v1.3.1 h1:2Usl1nmF/WZucqkFZhnfFYxxxu8LG21F6nPQBE5gKV8=
 github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/cast v1.5.0 h1:rj3WzYc11XZaIZMPKmwP96zkFEnnAmV8s6XbB2aY32w=
-github.com/spf13/cast v1.5.0/go.mod h1:SpXXQ5YoyJw6s3/6cMTQuxvgRl3PCJiyaX9p6b155UU=
+github.com/spf13/cast v1.6.0 h1:GEiTHELF+vaR5dhz3VqZfFSzZjYbgeKDpBxQVS4GYJ0=
+github.com/spf13/cast v1.6.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
 github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
 github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/pflag v1.0.6-0.20210604193023-d5e0c0615ace h1:9PNP1jnUjRhfmGMlkXHjYPishpcw4jpSt/V/xYY3FMA=
+github.com/spf13/pflag v1.0.6-0.20210604193023-d5e0c0615ace/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
@@ -539,6 +553,10 @@ k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 h1:pUdcCO1Lk/tbT5ztQWOBi5HBgbBP1
 k8s.io/utils v0.0.0-20240711033017-18e509b52bc8/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 oras.land/oras-go v1.2.5 h1:XpYuAwAb0DfQsunIyMfeET92emK8km3W4yEzZvUbsTo=
 oras.land/oras-go v1.2.5/go.mod h1:PuAwRShRZCsZb7g8Ar3jKKQR/2A/qN+pkYxIOd/FAoo=
+sigs.k8s.io/cluster-api v1.7.1 h1:JkMAbAMzBM+WBHxXLTJXTiCisv1PAaHRzld/3qrmLYY=
+sigs.k8s.io/cluster-api v1.7.1/go.mod h1:V9ZhKLvQtsDODwjXOKgbitjyCmC71yMBwDcMyNNIov0=
+sigs.k8s.io/cluster-api-provider-aws/v2 v2.6.1 h1:vbZUYEB7OfPlfHk6wis+UrvRLTqv5F4Nrjl2WDJ1kiw=
+sigs.k8s.io/cluster-api-provider-aws/v2 v2.6.1/go.mod h1:1aq1EZbirRW6NC2gYUFCc7cVFwX9PM/vDvoU+2oGPuw=
 sigs.k8s.io/controller-runtime v0.19.0 h1:nWVM7aq+Il2ABxwiCizrVDSlmDcshi9llbaFbC0ji/Q=
 sigs.k8s.io/controller-runtime v0.19.0/go.mod h1:iRmWllt8IlaLjvTTDLhRBXIEtkCK6hwVBJJsYS9Ajf4=
 sigs.k8s.io/gateway-api v1.1.0 h1:DsLDXCi6jR+Xz8/xd0Z1PYl2Pn0TyaFMOPPZIj4inDM=

internal/controller/deployment_controller.go

@@ -33,11 +33,13 @@ import (
 	apimeta "k8s.io/apimachinery/pkg/api/meta"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/client-go/dynamic"
 	"k8s.io/client-go/rest"
+	capiaws "sigs.k8s.io/cluster-api-provider-aws/v2/api/v1beta2"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
@@ -395,6 +397,12 @@ func (r *DeploymentReconciler) Delete(ctx context.Context, l logr.Logger, deploy
 		}
 		return ctrl.Result{}, err
 	}
+
+	r.keepOrReleaseAWSCluster(ctx, l, deployment.Namespace, deployment.Name)
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+
 	err = helm.DeleteHelmRelease(ctx, r.Client, deployment.Name, deployment.Namespace)
 	if err != nil {
 		return ctrl.Result{}, err
@@ -403,6 +411,59 @@ func (r *DeploymentReconciler) Delete(ctx context.Context, l logr.Logger, deploy
 	return ctrl.Result{RequeueAfter: 10 * time.Second}, nil
 }
 
+func (r *DeploymentReconciler) keepOrReleaseAWSCluster(ctx context.Context, l logr.Logger, namespace, clusterName string) error {
+	found, err := r.machinesAvailable(ctx, namespace, clusterName)
+	if err != nil {
+		return err
+	}
+
+	return r.updateAWSCluster(ctx, l, namespace, clusterName, found)
+}
+
+func (r *DeploymentReconciler) updateAWSCluster(ctx context.Context, l logr.Logger, namespace, clusterName string, disableDeletion bool) error {
+	cluster := &capiaws.AWSCluster{}
+	err := r.Get(ctx, types.NamespacedName{
+		Name:      clusterName,
+		Namespace: namespace,
+	}, cluster)
+	if err != nil && !apierrors.IsNotFound(err) {
+		return err
+	}
+
+	finalizersUpdated := false
+	if disableDeletion {
+		l.Info("Ensure we have cannot stop AWSCluster", "finalizer", hmc.BlockingFinalizer)
+		finalizersUpdated = controllerutil.AddFinalizer(cluster, hmc.BlockingFinalizer)
+	} else {
+		l.Info("Ensure we allow to stop AWSCluster", "finalizer", hmc.BlockingFinalizer)
+		finalizersUpdated = controllerutil.RemoveFinalizer(cluster, hmc.BlockingFinalizer)
+	}
+	if finalizersUpdated {
+		if err := r.Client.Update(ctx, cluster); err != nil {
+			return fmt.Errorf("failed to update cluster %s/%s: %w", namespace, clusterName, err)
+		}
+	}
+
+	return nil
+}
+
+func (r *DeploymentReconciler) machinesAvailable(ctx context.Context, namespace, clusterName string) (bool, error) {
+	opts := &client.ListOptions{
+		LabelSelector: labels.SelectorFromSet(map[string]string{hmc.ClusterNameLabelKey: clusterName}),
+	}
+	gvk := schema.GroupVersionKind{
+		Group:   "cluster.x-k8s.io",
+		Version: "v1beta1",
+		Kind:    "machine",
+	}
+	itemsList := &metav1.PartialObjectMetadataList{}
+	itemsList.SetGroupVersionKind(gvk)
+	if err := r.Client.List(ctx, itemsList, opts); err != nil {
+		return false, err
+	}
+	return len(itemsList.Items) != 0, nil
+}
+
 // SetupWithManager sets up the controller with the Manager.
 func (r *DeploymentReconciler) SetupWithManager(mgr ctrl.Manager) error {
 	return ctrl.NewControllerManagedBy(mgr).

templates/hmc/templates/rbac/roles.yaml

@@ -121,6 +121,24 @@ rules:
   - certificates
   verbs:
   - create
+- apiGroups:
+  - infrastructure.cluster.x-k8s.io
+  resources:
+  - awsclusters
+  verbs:
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - cluster.x-k8s.io
+  resources:
+  - machines
+  verbs:
+  - get
+  - list
+  - watch
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role