debug: bpfd deployment map access issues

Signed-off-by: Maryam Tahhan <[email protected]>
redhat-et · Nov 2, 2023 · ec803cb · ec803cb
1 parent 6e43684
commit ec803cb
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Showing 5 changed files with 34 additions and 20 deletions.
diff --git a/deployments/daemonset-kind-bpfd.yaml b/deployments/daemonset-kind-bpfd.yaml
@@ -88,6 +88,8 @@ spec:
               mountPath: /var/log/afxdp-k8s-plugins/
             - name: cnibin
               mountPath: /opt/cni/bin/
+            - name: bpfd-maps
+              mountPath: /var/run/bpfd/fs/maps/
       volumes:
         - name: unixsock
           hostPath:
@@ -113,6 +115,9 @@ spec:
         - name: cnibin
           hostPath:
             path: /opt/cni/bin/
+        - name: bpfd-maps
+          hostPath:
+            path: /var/run/bpfd/fs/maps/
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole

diff --git a/examples/cndp-0-0.yaml b/examples/cndp-0-0.yaml
@@ -1,4 +1,3 @@
-# A working example of BPF MAP PINNING
 apiVersion: v1
 kind: Pod
 metadata:
@@ -8,17 +7,15 @@ metadata:
 spec:
   containers:
     - name: cndp-0
-      command: ["/bin/bash"]
-      args: ["-c", "./jsonc_gen.sh -kp ; cndpfwd -c config.jsonc lb;"]
+      command: ["tail", "-f", "/dev/null"]
       image:  quay.io/mtahhan/cndp-map-pinning:latest
       imagePullPolicy: IfNotPresent
       securityContext:
-        privileged: true
-          #capabilities:
-          #add:
-          #  - NET_RAW
-          #  - IPC_LOCK
-          #  - BPF
+        capabilities:
+         add:
+           - NET_RAW
+           - IPC_LOCK
+           - BPF
       resources:
         requests:
           afxdp/myPool: '1'

diff --git a/examples/nad_with_syncer.yaml b/examples/nad_with_syncer.yaml
@@ -3,19 +3,19 @@
 apiVersion: "k8s.cni.cncf.io/v1"
 kind: NetworkAttachmentDefinition
 metadata:
-  name: afxdp-network                                        # Name of this network, pods will request this network by name
+  name: afxdp-network
   annotations:
-    k8s.v1.cni.cncf.io/resourceName: afxdp/myPool            # Needs to match the device plugin pool name / resource type
+    k8s.v1.cni.cncf.io/resourceName: afxdp/myPool
 spec:
   config: '{
       "cniVersion": "0.3.0",
-      "type": "afxdp",                                       # CNI binary, leave as afxdp
-      "mode": "primary",                                     # CNI mode setting (required)
-      "logFile": "afxdp-cni.log",                            # CNI log file location (optional)
-      "logLevel": "debug",                                   # CNI logging level (optional)
-      "dpSyncer": true,                                      # Sync with Device Plugin over gRPC MUST BE SET for bpf map pinning
-      "skipUnloadBpf": true,                                 # Skip unloading BPF locally
-      "ipam": {                                              # CNI IPAM plugin and associated config (optional)
+      "type": "afxdp",
+      "mode": "primary",
+      "logFile": "afxdp-cni.log",
+      "logLevel": "debug",
+      "dpSyncer": true,
+      "skipUnloadBpf": true,
+      "ipam": {
         "type": "host-local",
         "subnet": "192.168.1.0/24",
         "rangeStart": "192.168.1.200",

diff --git a/internal/bpfd/client.go b/internal/bpfd/client.go
@@ -155,9 +155,11 @@ func (b *BpfdClient) SubmitXdpProg(iface, node, pm, image, sec string) (string,
 		bpfProgName := node + "-" + pm + "-" + iface + "-" + node + "-" + iface
 		for _, bpfProgram := range bpfProgramList.Items {
 			if bpfProgram.ObjectMeta.Name == bpfProgName {
-				logging.Infof("FOUND bpfProgram %v", bpfProgram)
+				time.Sleep(1 * time.Second)
+				logging.Infof("FOUND bpfProgram %s", bpfProgram.ObjectMeta.Name)
+				logging.Infof("bpfProgram.Spec.Maps %v", bpfProgram.Spec.Maps)
 				if len(bpfProgram.Spec.Maps) == 0 {
-					logging.Errorf("NO MAPS FOUND for %s", bpfProgName)
+					logging.Errorf("NO MAPS FOUND for %s", bpfProgram.ObjectMeta.Name)
 					return "", errors.New("Failed to find a map for the loaded bpf program")
 				}
 				for m, path := range bpfProgram.Spec.Maps {

diff --git a/setup-bpfd-afxdp.sh b/setup-bpfd-afxdp.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+docker pull quay.io/mtahhan/cndp-map-pinning
+docker pull quay.io/mtahhan/xsk_def_xdp_prog
+make setup-multus
+make KIND_CLUSTER_NAME=bpfd-deployment kind-label-cp
+make KIND_CLUSTER_NAME=bpfd-deployment IMAGE=quay.io/mtahhan/cndp-map-pinning kind-load-custom-image
+make KIND_CLUSTER_NAME=bpfd-deployment IMAGE=quay.io/mtahhan/xsk_def_xdp_prog kind-load-custom-image
+make KIND_CLUSTER_NAME=bpfd-deployment kind-deploy-bpfd
+kubectl create -f examples/nad_with_syncer.yaml
+kubectl create -f examples/cndp-0-0.yaml