add dlv for virt-controller

Signed-off-by: yaroslavborbat <[email protected]>

Taskfile.yaml

@@ -28,6 +28,9 @@ vars:
   target: ""
   VALIDATION_FILES: "tools/validation/{main,messages,diff,no_cyrillic,doc_changes,copyright}.go"
 
+  DLV_IMAGE:
+    sh: if [ -z $DLV_IMAGE ]; then echo "ttl.sh/$(uuidgen | awk '{print tolower($0)}'):10m" ; else echo $DLV_IMAGE ; fi
+
 tasks:
   check-werf:
     cmds:
@@ -147,3 +150,36 @@ tasks:
     cmds:
       - task: cve:bin
       - tools/cve/scan-main.sh {{.REPORT_FILE_NAME}}
+
+  dlv:virt-controller:build:
+    desc: "Build image virt-controller with dlv"
+    cmd: docker build -f ./images/virt-controller/debug/dlv.Dockerfile -t "{{ .DLV_IMAGE }}" .
+
+  dlv:virt-controller:build-push:
+    desc: "Build and Push image virt-controller with dlv"
+    cmds:
+      - task: dlv:virt-controller:build
+      - docker push "{{ .DLV_IMAGE }}"
+      - task: dlv:virt-controller:print
+
+  dlv:virt-controller:print:
+    desc: "Print subcommands for debug"
+    env:
+      IMAGE: "{{ .DLV_IMAGE }}"
+    cmd: |
+      cat <<EOF
+      kubectl -n d8-virtualization patch deploy virt-controller --type='strategic' -p '{
+        "spec": {
+          "template": {
+            "spec": {
+              "containers": [ {
+                "name": "virt-controller",
+                "image": "${IMAGE}",
+                "ports": [ { "containerPort": 2345, "name": "dlv" } ]
+              }]
+            }
+          }
+        }
+      }'
+      EOF
+      echo 'kubectl -n d8-virtualization port-forward $(kubectl -n d8-virtualization get pod -l kubevirt.internal.virtualization.deckhouse.io=virt-controller -oname | head -1) 2345:2345'

images/virt-controller/debug/dlv.Dockerfile

@@ -0,0 +1,31 @@
+FROM golang:1.22.7 AS builder
+
+ENV VERSION="1.3.1"
+ENV GOVERSION="1.22.7"
+
+RUN go install github.com/go-delve/delve/cmd/dlv@latest
+
+RUN git clone --depth 1 --branch v$VERSION https://github.com/kubevirt/kubevirt.git /kubevirt
+COPY ./images/virt-artifact/patches /patches
+WORKDIR /kubevirt
+RUN for p in /patches/*.patch ; do git apply  --ignore-space-change --ignore-whitespace ${p} && echo OK || (echo FAIL ; exit 1) ; done
+
+RUN go mod edit -go=$GOVERSION && \
+    go mod download
+
+RUN go mod vendor
+
+ENV GO111MODULE=on
+ENV GOOS=linux
+ENV CGO_ENABLED=0
+ENV GOARCH=amd64
+
+RUN go build -o /kubevirt-binaries/virt-controller ./cmd/virt-controller/
+
+FROM busybox
+
+WORKDIR /app
+COPY --from=builder /kubevirt-binaries/virt-controller /app/virt-controller
+COPY --from=builder /go/bin/dlv /app/dlv
+USER 65532:65532
+ENTRYPOINT ["./dlv", "--listen=:2345", "--headless=true", "--continue", "--log=true", "--log-output=debugger,debuglineerr,gdbwire,lldbout,rpc", "--accept-multiclient", "--api-version=2", "exec", "/app/virt-controller", "--"]