Initial commit

Signed-off-by: Richard Kosegi <[email protected]>

.github/dependabot.yml

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+# Copyright 2024 Richard Kosegi
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+version: 2
+updates:
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      interval: daily
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily

.github/workflows/stale.yaml

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+# Copyright 2024 Richard Kosegi
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+name: Close inactive issues
+on:
+  schedule:
+    - cron: 30 2 * * 1
+  workflow_dispatch:
+jobs:
+  close-issues:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v9
+        with:
+          days-before-stale: 180
+          days-before-close: 30
+          exempt-issue-labels: bug
+          exempt-pr-labels: bug
+          stale-issue-label: stale
+          stale-pr-label: stale
+          stale-issue-message: This issue has been marked 'stale' due to lack of activity. The issue will be closed in another 30 days.
+          close-issue-message: This issue has been closed due to inactivity. If you feel this is in error, please reopen the issue or file a new issue with the relevant details.
+          stale-pr-message: This pr has been marked 'stale' due to lack of recent activity.The issue will be closed in another 30 days.
+          close-pr-message: This pr has been closed due to inactivity. If you feel this is in error, please reopen the issue or file a new issue with the relevant details.
+          repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/verify.yaml

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+# Copyright 2024 Richard Kosegi
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+      - uses: pre-commit/[email protected]
+
+      - name: Build
+        run: go build -v ./...
+
+      - name: Test
+        run: go test -v ./...

.gitignore

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+metrics.yaml
+exporter
+.idea
+chart/values-local.yaml

.golangci.yaml

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+# Copyright 2024 Richard Kosegi
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+run:
+  timeout: 3m
+
+linters:
+  disable-all: true
+  enable:
+    - gocritic
+    - gocyclo
+    - gofmt
+    - goimports
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - promlinter
+    - revive
+    - staticcheck
+    - unconvert

.pre-commit-config.yaml

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+# Copyright 2024 Richard Kosegi
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+      - id: check-merge-conflict
+  - repo: https://github.com/golangci/golangci-lint
+    rev: v1.55.2
+    hooks:
+      - id: golangci-lint
+  - repo: https://github.com/dnephin/pre-commit-golang
+    rev: v0.5.1
+    hooks:
+      - id: go-mod-tidy
+      - id: go-fmt

Dockerfile

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+# Copyright 2024 Richard Kosegi
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+ARG GOVERSION=1.21
+
+FROM golang:${GOVERSION} as builder
+ARG GOARCH
+ENV GOARCH=${GOARCH}
+WORKDIR /build
+COPY . /build
+
+RUN make build-local
+
+FROM gcr.io/distroless/static:latest-${GOARCH}
+ARG VERSION
+ARG BUILD_DATE
+ARG GIT_COMMIT
+COPY --from=builder /build/exporter /
+
+LABEL org.opencontainers.image.url="https://github.com/rkosegi/k8s-footprint-exporter" \
+      org.opencontainers.image.documentation="https://github.com/rkosegi/k8s-footprint-exporter/blob/main/README.md" \
+      org.opencontainers.image.source="https://github.com/rkosegi/k8s-footprint-exporter.git" \
+      org.opencontainers.image.title="K8s footprint exporter" \
+      org.opencontainers.image.licenses="Apache-2.0" \
+      org.opencontainers.image.vendor="rkosegi" \
+      org.opencontainers.image.description="Prometheus exporter for K8s API resources footprint." \
+      org.opencontainers.image.created="${BUILD_DATE}" \
+      org.opencontainers.image.revision="${GIT_COMMIT}" \
+      org.opencontainers.image.version="${VERSION}"
+
+USER nobody
+
+ENTRYPOINT ["/exporter"]
+
+EXPOSE 9998