Initialize kubeshark pinned eBPF resources inside init container (#1665)

* Clean kubeshark pinned bpf resources inside init container

* Clean kubeshark pinned bpf resources inside init container

* Update 09-worker-daemon-set.yaml

* add IPC_LOCK capability to sniffer

* add init container to mount bpf filesystem

* add init container to mount bpf filesystem

---------

Co-authored-by: Alon Girmonsky <1990761+alongir@users.noreply.github.com>
This commit is contained in:
Ilya Gavrilov 2024-12-20 01:20:13 +01:00 committed by GitHub
parent 261a0ca1a9
commit 29de008f22
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 60 additions and 0 deletions

View File

@ -25,6 +25,39 @@ spec:
name: kubeshark-worker-daemon-set
namespace: kubeshark
spec:
initContainers:
- command:
- /bin/sh
- -c
- mkdir -p /sys/fs/bpf && mount | grep -q '/sys/fs/bpf' || mount -t bpf bpf /sys/fs/bpf
{{- if .Values.tap.docker.overrideTag.worker }}
image: '{{ .Values.tap.docker.registry }}/worker:{{ .Values.tap.docker.overrideTag.worker }}{{ include "kubeshark.dockerTagDebugVersion" . }}'
{{ else }}
image: '{{ .Values.tap.docker.registry }}/worker:{{ not (eq .Values.tap.docker.tag "") | ternary .Values.tap.docker.tag (include "kubeshark.defaultVersion" .) }}{{ include "kubeshark.dockerTagDebugVersion" . }}'
{{- end }}
imagePullPolicy: {{ .Values.tap.docker.imagePullPolicy }}
name: check-bpf
securityContext:
privileged: true
volumeMounts:
- mountPath: /sys
name: sys
mountPropagation: Bidirectional
- command:
- ./tracer
- -init-bpf
{{- if .Values.tap.docker.overrideTag.worker }}
image: '{{ .Values.tap.docker.registry }}/worker:{{ .Values.tap.docker.overrideTag.worker }}{{ include "kubeshark.dockerTagDebugVersion" . }}'
{{ else }}
image: '{{ .Values.tap.docker.registry }}/worker:{{ not (eq .Values.tap.docker.tag "") | ternary .Values.tap.docker.tag (include "kubeshark.defaultVersion" .) }}{{ include "kubeshark.dockerTagDebugVersion" . }}'
{{- end }}
imagePullPolicy: {{ .Values.tap.docker.imagePullPolicy }}
name: init-bpf
securityContext:
privileged: true
volumeMounts:
- mountPath: /sys
name: sys
containers:
- command:
- ./worker

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@ -121,6 +121,7 @@ tap:
- SYS_ADMIN
- SYS_PTRACE
- DAC_OVERRIDE
- IPC_LOCK
ebpfCapture:
- SYS_ADMIN
- SYS_PTRACE

View File

@ -490,6 +490,31 @@ spec:
name: kubeshark-worker-daemon-set
namespace: kubeshark
spec:
initContainers:
- command:
- /bin/sh
- -c
- mkdir -p /sys/fs/bpf && mount | grep -q '/sys/fs/bpf' || mount -t bpf bpf /sys/fs/bpf
image: 'docker.io/kubeshark/worker:v52.3.92'
imagePullPolicy: Always
name: check-bpf
securityContext:
privileged: true
volumeMounts:
- mountPath: /sys
name: sys
mountPropagation: Bidirectional
- command:
- ./tracer
- -init-bpf
image: 'docker.io/kubeshark/worker:v52.3.92'
imagePullPolicy: Always
name: init-bpf
securityContext:
privileged: true
volumeMounts:
- mountPath: /sys
name: sys
containers:
- command:
- ./worker
@ -559,6 +584,7 @@ spec:
- SYS_ADMIN
- SYS_PTRACE
- DAC_OVERRIDE
- IPC_LOCK
drop:
- ALL
readinessProbe: