diff --git a/charts/helm-deployer/templates/clusterrole.yaml b/charts/helm-deployer/templates/clusterrole.yaml index 39a2ec533..94c4fd49a 100644 --- a/charts/helm-deployer/templates/clusterrole.yaml +++ b/charts/helm-deployer/templates/clusterrole.yaml @@ -71,4 +71,5 @@ rules: - list - watch - update + - delete {{- end }} diff --git a/charts/manifest-deployer/templates/clusterrole.yaml b/charts/manifest-deployer/templates/clusterrole.yaml index 55af78c65..207efd6d4 100644 --- a/charts/manifest-deployer/templates/clusterrole.yaml +++ b/charts/manifest-deployer/templates/clusterrole.yaml @@ -70,4 +70,5 @@ rules: - list - watch - update + - delete {{- end }} diff --git a/cmd/helm-deployer-controller/app/app.go b/cmd/helm-deployer-controller/app/app.go index 337b99816..c904cd475 100644 --- a/cmd/helm-deployer-controller/app/app.go +++ b/cmd/helm-deployer-controller/app/app.go @@ -12,6 +12,8 @@ import ( "os" "time" + "github.com/gardener/landscaper/controller-utils/pkg/logging" + "github.com/spf13/cobra" lc "github.com/gardener/landscaper/controller-utils/pkg/logging/constants" @@ -56,7 +58,8 @@ func (o *options) run(ctx context.Context) error { o.DeployerOptions.Log.Error(err, "helm deployer profiler stopped") }() - go utils.LogMemStatsPeriodically(ctx, o.DeployerOptions.Log, 60*time.Second) + go utils.LogMemStatsPeriodically(logging.NewContext(ctx, o.DeployerOptions.Log), 60*time.Second, + o.DeployerOptions.HostUncachedClient, "helm-deployer") } o.DeployerOptions.Log.Info("Starting helm deployer manager") diff --git a/cmd/landscaper-controller/app/app.go b/cmd/landscaper-controller/app/app.go index f6edf8b8a..04012fe2f 100644 --- a/cmd/landscaper-controller/app/app.go +++ b/cmd/landscaper-controller/app/app.go @@ -175,7 +175,7 @@ func (o *Options) startMainController(ctx context.Context, }) eg.Go(func() error { - lsutils.LogMemStatsPeriodically(ctx, setupLogger, 60*time.Second) + lsutils.LogMemStatsPeriodically(logging.NewContext(ctx, setupLogger), 60*time.Second, hostUncachedClient, "main-landscaper") return nil }) } @@ -234,7 +234,7 @@ func (o *Options) startCentralLandscaper(ctx context.Context, }) eg.Go(func() error { - lsutils.LogMemStatsPeriodically(ctx, setupLogger, 60*time.Second) + lsutils.LogMemStatsPeriodically(logging.NewContext(ctx, setupLogger), 60*time.Second, hostUncachedClient, "central-landscaper") return nil }) } diff --git a/cmd/manifest-deployer-controller/app/app.go b/cmd/manifest-deployer-controller/app/app.go index 172e2a739..01a7df3ac 100644 --- a/cmd/manifest-deployer-controller/app/app.go +++ b/cmd/manifest-deployer-controller/app/app.go @@ -12,6 +12,8 @@ import ( "os" "time" + "github.com/gardener/landscaper/controller-utils/pkg/logging" + "github.com/spf13/cobra" lc "github.com/gardener/landscaper/controller-utils/pkg/logging/constants" @@ -57,7 +59,8 @@ func (o *options) run(ctx context.Context) error { o.DeployerOptions.Log.Error(err, "manifest deployer profiler stopped") }() - go utils.LogMemStatsPeriodically(ctx, o.DeployerOptions.Log, 60*time.Second) + go utils.LogMemStatsPeriodically(logging.NewContext(ctx, o.DeployerOptions.Log), 60*time.Second, + o.DeployerOptions.HostUncachedClient, "manifest-deployer") } o.DeployerOptions.Log.Info("Starting manifest deployer manager") diff --git a/controller-utils/go.sum b/controller-utils/go.sum index b97398d15..c6517ac3a 100644 --- a/controller-utils/go.sum +++ b/controller-utils/go.sum @@ -145,8 +145,6 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= -golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30= -golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M= golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw= golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54= golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA= @@ -190,22 +188,16 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI= -golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM= golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= 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 v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk= -golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4= golang.org/x/term v0.23.0 h1:F6D4vR+EHoL9/sWAWgAR1H2DcHr4PareCbAaCo1RpuU= golang.org/x/term v0.23.0/go.mod h1:DgV24QBUrK6jhZXl+20l6UWznPlwAHm1Q1mGHtydmSk= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ= -golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4= -golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI= golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc= golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY= golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk= diff --git a/docs/technical/profiling.md b/docs/technical/profiling.md index cdc9e3328..6baaf5c20 100644 --- a/docs/technical/profiling.md +++ b/docs/technical/profiling.md @@ -61,6 +61,52 @@ If the environment variable `ENABLE_PROFILER` is set as described above, you can ```shell go tool pprof -http=:8082 heap.out ``` + +## Automatic Heap Dump + +If the environment variable `ENABLE_PROFILER` is set as described above a heap dump is automatically created if + +- there was no automatic heap dump created for the pod since it started and the current HeapInUse is more than 330 MB +- there was already an automatic heap dump created for the pod since it started and the current HeapInUse is more than + 10 percentage higher than for the formerly created heap dump. The older heap dump is overwritten by the newer one. + +An automatic heap dump is written into a set of secrets, consisting of a base secret with some meta data and several +data secrets containing the byte data of the heap dump. + +The base secret is stored in the same namespace as the corresponding pod. Its name is as follows for the different +pods: + +- Landscaper main pod with Installation and Execution controllers: main-landscaper-heap +- Landscaper pod for rest: central-landscaper-heap +- Helm deployer pod: helm-deployer-heap +- Manifest deployer pod: manifest-deployer-heap + +A base secret contains the following entries: + +- keyNumberOfDataSecrets: number of secrets containing the data of the profile +- keyHeapInUse: heap in use in bytes +- keyHeapAlloc: heap alloc in bytes +- keyPodname: name of the pod for which a heap dump was stored +- keyStorageDate: timestamp when the heap dump was stored + +For every base secret with Name `-heap` there is a set of secrets with names `-heap-0`, `-heap-1` +etc. containing the heap data. + +To analyse a heap dump you have to execute the following commands: + +``` bash +# store the heap data in different files +kubectl get secret -n -heap-0 -o jsonpath="{.data.keyBytes}" | base64 -d > heap0.out +kubectl get secret -n -heap-1 -o jsonpath="{.data.keyBytes}" | base64 -d > heap1.out +... + +# concatenate the files +cat heap0.out heap1.out ... > heap.out + +# analyse the result +go tool pprof -http=:8082 heap.out +``` + ## Some other important commands Sometimes it might be interesting to see the memory consumption of a pod and the containers running in it. diff --git a/go.mod b/go.mod index 32c0ed3bc..d0f580f21 100644 --- a/go.mod +++ b/go.mod @@ -5,6 +5,7 @@ go 1.22.4 require ( dario.cat/mergo v1.0.0 github.com/Masterminds/sprig/v3 v3.2.3 + github.com/cloudflare/cfssl v1.6.5 github.com/containerd/containerd v1.7.18 github.com/docker/cli v26.1.5+incompatible github.com/gardener/component-cli v0.44.0 @@ -125,7 +126,6 @@ require ( github.com/chai2010/gettext-go v1.0.2 // indirect github.com/chrismellard/docker-credential-acr-env v0.0.0-20230304212654-82a0ddb27589 // indirect github.com/clbanning/mxj/v2 v2.7.0 // indirect - github.com/cloudflare/cfssl v1.6.5 // indirect github.com/cloudflare/circl v1.3.7 // indirect github.com/common-nighthawk/go-figure v0.0.0-20210622060536-734e95fb86be // indirect github.com/containerd/errdefs v0.1.0 // indirect diff --git a/go.sum b/go.sum index 6c7085c5b..36cf73d3c 100644 --- a/go.sum +++ b/go.sum @@ -228,8 +228,6 @@ github.com/cenkalti/backoff/v3 v3.2.2/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4r github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8= github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE= github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= -github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44= -github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs= github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/chai2010/gettext-go v1.0.2 h1:1Lwwip6Q2QGsAdl/ZKPCwTe9fe0CjlUbqj5bFNSjIRk= @@ -507,8 +505,6 @@ github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/ github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0= github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= -github.com/google/pprof v0.0.0-20240424215950-a892ee059fd6 h1:k7nVchz72niMH6YLQNvHSdIE7iqsQxK1P41mySCvssg= -github.com/google/pprof v0.0.0-20240424215950-a892ee059fd6/go.mod h1:kf6iHlnVGwgKolg33glAes7Yg/8iWP8ukqeldJSO7jw= github.com/google/pprof v0.0.0-20240727154555-813a5fbdbec8 h1:FKHo8hFI3A+7w0aUQuYXQ+6EN5stWmeY/AZqtM8xk9k= github.com/google/pprof v0.0.0-20240727154555-813a5fbdbec8/go.mod h1:K1liHPHnj73Fdn/EKuT8nrFqBihUSKXoLYU0BuatOYo= github.com/google/s2a-go v0.1.7 h1:60BLSyTrOV4/haCDW4zb1guZItoSq8foHCXrAnjBo/o= @@ -621,8 +617,6 @@ github.com/juju/loggo v0.0.0-20190526231331-6e530bcce5d8/go.mod h1:vgyd7OREkbtVE github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= -github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0NAMnU= -github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw= github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA= github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw= github.com/klauspost/pgzip v1.2.6 h1:8RXeL5crjEUFnR2/Sn6GJNWtSQ3Dk8pq4CL3jvdDyjU= @@ -749,8 +743,6 @@ github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vv github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE= github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU= github.com/onsi/ginkgo/v2 v2.1.3/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c= -github.com/onsi/ginkgo/v2 v2.19.0 h1:9Cnnf7UHo57Hy3k6/m5k3dRfGTMXGvxhHFvkDTCTpvA= -github.com/onsi/ginkgo/v2 v2.19.0/go.mod h1:rlwLi9PilAFJ8jCg9UE1QP6VBpd6/xj3SRC0d6TU0To= github.com/onsi/ginkgo/v2 v2.20.0 h1:PE84V2mHqoT1sglvHc8ZdQtPcwmvvt29WLEEO3xmdZw= github.com/onsi/ginkgo/v2 v2.20.0/go.mod h1:lG9ey2Z29hR41WMVthyJBGUBcBhGOtoPF2VFMvBXFCI= github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY= @@ -758,8 +750,6 @@ github.com/onsi/gomega v1.9.0/go.mod h1:Ho0h+IUsWyvy1OpqCwxlQ/21gkhVunqlU8fDGcoT github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo= github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY= github.com/onsi/gomega v1.19.0/go.mod h1:LY+I3pBVzYsTBU1AnDwOSxaYi9WoWiqgwooUqq9yPro= -github.com/onsi/gomega v1.33.1 h1:dsYjIxxSR755MDmKVsaFQTE22ChNBcuuTWgkUDSubOk= -github.com/onsi/gomega v1.33.1/go.mod h1:U4R44UsT+9eLIaYRB2a5qajjtQYn0hauxvRm16AVYg0= github.com/onsi/gomega v1.34.1 h1:EUMJIKUjM8sKjYbtxQI9A4z2o+rruxnzNvpknOXie6k= github.com/onsi/gomega v1.34.1/go.mod h1:kU1QgUvBDLXBJq618Xvm2LUX6rSAfRaFRTcdOeDLwwY= github.com/open-component-model/ocm v0.11.0 h1:m6r6OzNWvd713pwnSKcHAf4nH6wlrdOIRNbAlVCZnt8= @@ -804,31 +794,23 @@ github.com/prometheus/client_golang v0.9.0-pre1.0.20180209125602-c332b6f63c06/go github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw= github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo= github.com/prometheus/client_golang v1.1.0/go.mod h1:I1FGZT9+L76gKKOs5djB6ezCbFQP1xR9D75/vuwEF3g= -github.com/prometheus/client_golang v1.19.1 h1:wZWJDwK+NameRJuPGDhlnFgx8e8HN3XHQeLaYJFJBOE= -github.com/prometheus/client_golang v1.19.1/go.mod h1:mP78NwGzrVks5S2H6ab8+ZZGJLZUq1hoULYBAYBw1Ho= github.com/prometheus/client_golang v1.20.0 h1:jBzTZ7B099Rg24tny+qngoynol8LtVYlA2bqx3vEloI= github.com/prometheus/client_golang v1.20.0/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE= github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= -github.com/prometheus/client_model v0.6.0 h1:k1v3CzpSRUTrKMppY35TLwPvxHqBu0bYgxZzqGIgaos= -github.com/prometheus/client_model v0.6.0/go.mod h1:NTQHnmxFpouOD0DpvP4XujX3CdOAGQPoaGhyTchlyt8= github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E= github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY= github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro= github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4= github.com/prometheus/common v0.6.0/go.mod h1:eBmuwkDJBwy6iBfxCBob6t6dR6ENT/y+J+Zk0j9GMYc= -github.com/prometheus/common v0.52.2 h1:LW8Vk7BccEdONfrJBDffQGRtpSzi5CQaRZGtboOO2ck= -github.com/prometheus/common v0.52.2/go.mod h1:lrWtQx+iDfn2mbH5GUzlH9TSHyfZpHkSiG1W7y3sF2Q= github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc= github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8= github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk= github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk= github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA= github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ= -github.com/prometheus/procfs v0.13.0 h1:GqzLlQyfsPbaEHaQkO7tbDlriv/4o5Hudv6OXHGKX7o= -github.com/prometheus/procfs v0.13.0/go.mod h1:cd4PFCR54QLnGKPaKGA6l+cfuNXtht43ZKY6tow0Y1g= 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/protocolbuffers/txtpbfmt v0.0.0-20231025115547-084445ff1adf h1:014O62zIzQwvoD7Ekj3ePDF5bv9Xxy0w6AZk0qYbjUk= @@ -1082,13 +1064,9 @@ golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58 golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU= golang.org/x/crypto v0.10.0/go.mod h1:o4eNf7Ede1fv+hwOwZsTHl9EsPFO6q6ZvYR8vYfY45I= golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU= -golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30= -golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M= golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw= golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= -golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 h1:vr/HnozRka3pE4EsMEg1lgkXJkTFJCVUX+S/ZT6wYzM= -golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842/go.mod h1:XtvwrStGgqGPLc4cjQfWqZHG1YFdYs6swckp8vpsjnc= golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 h1:2dVuKD2vS7b0QIHQbpyTISPd0LeHDbnYEryqj5Q1ug8= golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56/go.mod h1:M4RDyNAINzryxdtnbRXRL/OHtkFuWGRjvuhBJpk2IlY= golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= @@ -1099,8 +1077,6 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= -golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8= -golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= golang.org/x/mod v0.20.0 h1:utOm6MM3R3dnawAiJgn0y+xvuYRsm1RKM/4giyfDgV0= golang.org/x/mod v0.20.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -1131,13 +1107,9 @@ golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc= golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg= golang.org/x/net v0.11.0/go.mod h1:2L/ixqYpgIVXmeoSA/4Lu7BzTG4KIyPIryS4IsOd1oQ= -golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys= -golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE= golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE= golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= -golang.org/x/oauth2 v0.20.0 h1:4mQdhULixXKP1rwYBW0vAijoXnkTG0BLCDRzfe1idMo= -golang.org/x/oauth2 v0.20.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI= golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs= golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -1150,8 +1122,6 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= -golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M= -golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ= golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -1193,10 +1163,6 @@ golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= -golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI= -golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= -golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM= -golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg= golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= @@ -1208,8 +1174,6 @@ golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U= golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo= golang.org/x/term v0.9.0/go.mod h1:M6DEAAIenWoTxdKrOltXcmDY3rSplQUkrvaDU5FcQyo= golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk= -golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk= -golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4= golang.org/x/term v0.23.0 h1:F6D4vR+EHoL9/sWAWgAR1H2DcHr4PareCbAaCo1RpuU= golang.org/x/term v0.23.0/go.mod h1:DgV24QBUrK6jhZXl+20l6UWznPlwAHm1Q1mGHtydmSk= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= @@ -1223,8 +1187,6 @@ golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE= golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= -golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4= -golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI= golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc= golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY= golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk= @@ -1243,8 +1205,6 @@ golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4f golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= -golang.org/x/tools v0.23.0 h1:SGsXPZ+2l4JsgaCKkx+FQ9YZ5XEtA1GZYuoDjenLjvg= -golang.org/x/tools v0.23.0/go.mod h1:pnu6ufv6vQkll6szChhK3C3L/ruaIv5eBeztNG8wtsI= golang.org/x/tools v0.24.0 h1:J1shsA93PJUEVaUSaay7UXAyE8aimq3GW0pjlolpa24= golang.org/x/tools v0.24.0/go.mod h1:YhNqVBIfWHdzvTLs0d8LCuMhkKUgSUKldakyV7W/WDQ= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= @@ -1325,8 +1285,6 @@ gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo= gotest.tools/v3 v3.5.1 h1:EENdUnS3pdur5nybKYIh2Vfgc8IUNBjxDPSjtiJcOzU= gotest.tools/v3 v3.5.1/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU= -helm.sh/helm/v3 v3.15.3 h1:HcZDaVFe9uHa6hpsR54mJjYyRy4uz/pc6csg27nxFOc= -helm.sh/helm/v3 v3.15.3/go.mod h1:FzSIP8jDQaa6WAVg9F+OkKz7J0ZmAga4MABtTbsb9WQ= helm.sh/helm/v3 v3.15.4 h1:UFHd6oZ1IN3FsUZ7XNhOQDyQ2QYknBNWRHH57e9cbHY= helm.sh/helm/v3 v3.15.4/go.mod h1:phOwlxqGSgppCY/ysWBNRhG3MtnpsttOzxaTK+Mt40E= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= @@ -1339,8 +1297,6 @@ k8s.io/apimachinery v0.30.3 h1:q1laaWCmrszyQuSQCfNB8cFgCuDAoPszKY4ucAjDwHc= k8s.io/apimachinery v0.30.3/go.mod h1:iexa2somDaxdnj7bha06bhb43Zpa6eWH8N8dbqVjTUc= k8s.io/apiserver v0.30.3 h1:QZJndA9k2MjFqpnyYv/PH+9PE0SHhx3hBho4X0vE65g= k8s.io/apiserver v0.30.3/go.mod h1:6Oa88y1CZqnzetd2JdepO0UXzQX4ZnOekx2/PtEjrOg= -k8s.io/cli-runtime v0.30.2 h1:ooM40eEJusbgHNEqnHziN9ZpLN5U4WcQGsdLKVxpkKE= -k8s.io/cli-runtime v0.30.2/go.mod h1:Y4g/2XezFyTATQUbvV5WaChoUGhojv/jZAtdp5Zkm0A= k8s.io/cli-runtime v0.30.3 h1:aG69oRzJuP2Q4o8dm+f5WJIX4ZBEwrvdID0+MXyUY6k= k8s.io/cli-runtime v0.30.3/go.mod h1:hwrrRdd9P84CXSKzhHxrOivAR9BRnkMt0OeP5mj7X30= k8s.io/client-go v0.30.3 h1:bHrJu3xQZNXIi8/MoxYtZBBWQQXwy16zqJwloXXfD3k= @@ -1355,8 +1311,6 @@ k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk= k8s.io/klog/v2 v2.130.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE= k8s.io/kube-openapi v0.0.0-20240730131305-7a9a4e85957e h1:OnKkExfhk4yxMqvBSPzUfhv3zQ96FWJ+UOZzLrAFyAo= k8s.io/kube-openapi v0.0.0-20240730131305-7a9a4e85957e/go.mod h1:0CVn9SVo8PeW5/JgsBZZIFmmTk5noOM8WXf2e1tCihE= -k8s.io/kubectl v0.30.0 h1:xbPvzagbJ6RNYVMVuiHArC1grrV5vSmmIcSZuCdzRyk= -k8s.io/kubectl v0.30.0/go.mod h1:zgolRw2MQXLPwmic2l/+iHs239L49fhSeICuMhQQXTI= k8s.io/kubectl v0.30.3 h1:YIBBvMdTW0xcDpmrOBzcpUVsn+zOgjMYIu7kAq+yqiI= k8s.io/kubectl v0.30.3/go.mod h1:IcR0I9RN2+zzTRUa1BzZCm4oM0NLOawE6RzlDvd1Fpo= k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 h1:pUdcCO1Lk/tbT5ztQWOBi5HBgbBP1J8+AsQnQCKsi8A= diff --git a/pkg/utils/profiling.go b/pkg/utils/profiling.go index ff7201764..7f48dd341 100644 --- a/pkg/utils/profiling.go +++ b/pkg/utils/profiling.go @@ -1,21 +1,48 @@ package utils import ( + "bytes" "context" "fmt" "os" "runtime" + "runtime/pprof" + "strconv" "strings" "time" - "github.com/gardener/landscaper/controller-utils/pkg/logging" + lserrors "github.com/gardener/landscaper/apis/errors" + "github.com/cloudflare/cfssl/log" "github.com/shirou/gopsutil/v4/process" + v1 "k8s.io/api/core/v1" + "k8s.io/apimachinery/pkg/api/errors" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "sigs.k8s.io/controller-runtime/pkg/client" + + "github.com/gardener/landscaper/apis/core/v1alpha1" + "github.com/gardener/landscaper/controller-utils/pkg/logging" + "github.com/gardener/landscaper/pkg/utils/read_write_layer" ) const separator = " ***** " +const suffix = "-heap" +const keyHeapInUse = "keyHeapInUse" +const keyHeapAlloc = "keyHeapAlloc" +const keyBytes = "keyBytes" +const keyPodname = "keyPodname" +const keyStorageDate = "keyStorageDate" +const keyLockTime = "keyLockTime" + +// labelKeyProfilingPrefix is a label of secrets that store a chunk of a heap dump. +// The value is the prefix of the controller. +const labelProfilingPrefix = v1alpha1.LandscaperDomain + "/profiling-prefix" + +var maxHeapInUse uint64 = 1000 * 1000 * 300 + +func LogMemStatsPeriodically(ctx context.Context, interval time.Duration, hostUncachedClient client.Client, prefix string) { + log, ctx := logging.FromContextOrNew(ctx, nil) -func LogMemStatsPeriodically(ctx context.Context, log logging.Logger, interval time.Duration) { log.Info("Starting LogMemStats loop") for { if err := ctx.Err(); err != nil { @@ -23,23 +50,25 @@ func LogMemStatsPeriodically(ctx context.Context, log logging.Logger, interval t return } - LogMemStats(log) + LogMemStats(ctx, hostUncachedClient, prefix) time.Sleep(interval) } } -func LogMemStats(log logging.Logger) { +func LogMemStats(ctx context.Context, hostUncachedClient client.Client, prefix string) { w := &strings.Builder{} - writeMemStats(w) + writeMemStats(ctx, w, hostUncachedClient, prefix) writeProcessMemoryInfo(w) log.Info(w.String()) } -func writeMemStats(w *strings.Builder) { +func writeMemStats(ctx context.Context, w *strings.Builder, hostUncachedClient client.Client, prefix string) { // See: https://golang.org/pkg/runtime/#MemStats var m runtime.MemStats runtime.ReadMemStats(&m) + storeHeap(ctx, &m, hostUncachedClient, prefix) + w.WriteString("MemStats: ") fmt.Fprintf(w, "Alloc: %v MiB, ", bToMiB(m.Alloc)) fmt.Fprintf(w, "TotalAlloc: %v MiB, ", bToMiB(m.TotalAlloc)) @@ -118,3 +147,209 @@ func writePlatformSpecificProcessMemoryInfo(w *strings.Builder, p *process.Proce func bToMiB(numOfBytes uint64) uint64 { return numOfBytes / (1024 * 1024) } + +func storeHeap(ctx context.Context, m *runtime.MemStats, hostUncachedClient client.Client, prefix string) { + log, ctx := logging.FromContextOrNew(ctx, nil) + + if maxHeapInUse+maxHeapInUse/10 < m.HeapInuse { + log.Info("storeHeapProfile check with", "maxHeapInUse+maxHeapInUse/10", maxHeapInUse+maxHeapInUse/10, "m.HeapInuse", m.HeapInuse) + + var buf bytes.Buffer + if err := pprof.WriteHeapProfile(&buf); err != nil { + log.Error(err, "Failed to get heap profile with HeapInuse "+strconv.FormatUint(m.HeapInuse, 10)+" bytes") + return + } + + if err := storeHeapProfile(ctx, &buf, hostUncachedClient, prefix, m); err != nil { + log.Error(err, "storeHeapProfile failed to write heap profile with HeapInuse "+strconv.FormatUint(m.HeapInuse, 10)+" bytes") + return + } + + log.Info("storeHeapProfile succeeded") + + maxHeapInUse = m.HeapInuse + } +} + +func storeHeapProfile(ctx context.Context, buf *bytes.Buffer, hostUncachedClient client.Client, prefix string, m *runtime.MemStats) error { + // create base secret or take over base secret and lock it + heapSecret, err := lockBaseSecretWithInitialData(ctx, hostUncachedClient, prefix) + if err != nil { + return err + } + + // cleanup old data secrets + if err = cleanupOldDataSecrets(ctx, hostUncachedClient, prefix); err != nil { + return err + } + + // create data chunks + chunks := creatChunks(buf) + + // update base secret + if err = updateSecret(ctx, hostUncachedClient, heapSecret, m); err != nil { + return err + } + + // create data secrets + if err = createDataSecrets(ctx, hostUncachedClient, prefix, chunks); err != nil { + return err + } + + // unlock base secret + delete(heapSecret.Data, keyLockTime) + return hostUncachedClient.Update(ctx, heapSecret) +} + +func creatChunks(buf *bytes.Buffer) [][]byte { + const chunkSize = 500 * 1024 + + data := buf.Bytes() + + // Split the byte array into chunks + var chunks [][]byte + for i := 0; i < len(data); i += chunkSize { + end := i + chunkSize + + if end > len(data) { + end = len(data) + } + + chunks = append(chunks, data[i:end]) + } + + return chunks +} + +func createDataSecrets(ctx context.Context, hostUncachedClient client.Client, prefix string, chunks [][]byte) error { + for i := 0; i < len(chunks); i++ { + nextDataSecret := &v1.Secret{ + ObjectMeta: metav1.ObjectMeta{ + Name: getHeapSecretDataName(prefix, i), + Namespace: GetCurrentPodNamespace(), + Labels: map[string]string{ + labelProfilingPrefix: prefix, + }, + }, + Data: map[string][]byte{ + keyBytes: chunks[i], + }, + } + + if err := hostUncachedClient.Create(ctx, nextDataSecret); err != nil { + return err + } + } + + return nil +} + +func updateSecret(ctx context.Context, hostUncachedClient client.Client, heapSecret *v1.Secret, m *runtime.MemStats) error { + heapSecret.Data = map[string][]byte{ + keyHeapInUse: []byte(strconv.FormatUint(m.HeapInuse, 10)), + keyHeapAlloc: []byte(strconv.FormatUint(m.HeapAlloc, 10)), + keyPodname: []byte(GetCurrentPodName()), + keyStorageDate: []byte(time.Now().String()), + keyLockTime: heapSecret.Data[keyLockTime], + } + + if err := hostUncachedClient.Update(ctx, heapSecret); err != nil { + return err + } + + return nil +} + +func cleanupOldDataSecrets(ctx context.Context, hostUncachedClient client.Client, prefix string) error { + secretList := &v1.SecretList{} + err := read_write_layer.ListSecrets(ctx, hostUncachedClient, secretList, read_write_layer.R000007, + client.InNamespace(GetCurrentPodNamespace()), + client.MatchingLabels{labelProfilingPrefix: prefix}) + if err != nil { + return err + } + + for i := range secretList.Items { + if err = hostUncachedClient.Delete(ctx, &secretList.Items[i]); err != nil { + if !errors.IsNotFound(err) { + return err + } + } + } + + return nil +} + +func lockBaseSecretWithInitialData(ctx context.Context, hostUncachedClient client.Client, prefix string) (*v1.Secret, error) { + + initData := map[string][]byte{ + keyHeapInUse: []byte("0"), + keyHeapAlloc: []byte("0"), + keyPodname: []byte(""), + keyStorageDate: []byte(time.Now().String()), + keyLockTime: []byte(time.Now().Format(time.RFC3339)), + } + + heapSecret := &v1.Secret{} + key := client.ObjectKey{Namespace: GetCurrentPodNamespace(), Name: getHeapSecretName(prefix)} + if err := hostUncachedClient.Get(ctx, key, heapSecret); err != nil { + if !errors.IsNotFound(err) { + return nil, err + } + + heapSecret = &v1.Secret{ + ObjectMeta: metav1.ObjectMeta{ + Name: getHeapSecretName(prefix), + Namespace: GetCurrentPodNamespace(), + }, + + Data: initData, + } + + if err := hostUncachedClient.Create(ctx, heapSecret); err != nil { + return nil, err + } + + // return new secret + return heapSecret, nil + } else { + lockTimeBytes, contained := heapSecret.Data[keyLockTime] + if isEmptyOrOutdated(ctx, contained, lockTimeBytes) { + heapSecret.Data = initData + if err := hostUncachedClient.Update(ctx, heapSecret); err != nil { + return nil, err + } + return heapSecret, nil + } + + return nil, lserrors.NewError("fetchOrCreateSecret", "HeapSecretLocked", "heap secret locked") + } +} + +func isEmptyOrOutdated(ctx context.Context, contained bool, lockTimeBytes []byte) bool { + log, _ := logging.FromContextOrNew(ctx, nil) + + if !contained { + return true + } + + lockTime, err := time.Parse(time.RFC3339, string(lockTimeBytes)) + if err != nil { + log.Error(err, "Failed to parse lock time"+string(lockTimeBytes)) + return false + } + + if lockTime.Add(time.Hour).Before(time.Now()) { + return true + } + + return false +} + +func getHeapSecretName(prefix string) string { + return prefix + suffix +} + +func getHeapSecretDataName(prefix string, i int) string { + return getHeapSecretName(prefix) + "-" + strconv.Itoa(i) +}