Initial dump of Compositions alpha implementation

composition/.dockerignore

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+# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
+# Ignore build and test binaries.
+bin/

composition/.gitignore

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+# test logs
+test-logs/*
+
+bin/*
+expanders/bin/*
+
+release/test/*
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+Dockerfile.cross
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Kubernetes Generated files - skip generated files, except for vendored files
+
+!vendor/**/zz_generated.*
+
+# editor and IDE paraphernalia
+.idea
+.vscode
+*.swp
+*.swo
+*~

composition/.golangci.yml

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+# Copyright 2024 Google LLC
+#
+# 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:
+  deadline: 5m
+  allow-parallel-runners: true
+
+issues:
+  # don't skip warning about doc comments
+  # don't exclude the default set of lint
+  exclude-use-default: false
+  # restore some of the defaults
+  # (fill in the rest as needed)
+  exclude-rules:
+    #- path: "api/*"
+    #  linters:
+    #    - lll
+linters:
+  disable-all: true
+  enable:
+    - dupl
+    - errcheck
+    - exportloopref
+    - goconst
+    - gocyclo
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - prealloc
+    - staticcheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused

composition/Dockerfile

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+# Copyright 2024 Google LLC
+#
+# 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.
+
+# Build the manager binary
+FROM golang:1.23.2 as builder
+ARG TARGETOS
+ARG TARGETARCH
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY cmd/main.go cmd/main.go
+COPY api/ api/
+COPY internal/controller/ internal/controller/
+COPY proto/ proto/
+COPY pkg/ pkg/
+
+# Build
+# the GOARCH has not a default value to allow the binary be built according to the host where the command
+# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
+# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
+# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
+RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
+
+# Use distroless as minimal base image to package the manager binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static:nonroot
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER 65532:65532
+
+ENTRYPOINT ["/manager"]

composition/Dockerfile.getter.expander

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+# Copyright 2024 Google LLC
+#
+# 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.
+
+# syntax=docker/dockerfile:1
+
+# ----------------- Build Container ---------------------------
+# Build the go app.
+# Explicitly set to latest vs golang:1.22
+FROM golang:1.23.2 AS build-stage
+
+# Set destination for COPY
+WORKDIR /go/src/app
+
+# Download Go modules
+# https://docs.docker.com/reference/dockerfile/#copy
+COPY . ./
+RUN go mod download
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -v -o expander expanders/getter/main.go
+
+# ----------------- Expander Container ---------------------------
+#FROM marketplace.gcr.io/google/debian10:latest as bootstrap
+FROM scratch as inline
+
+EXPOSE 8443
+
+WORKDIR /
+COPY --from=build-stage /go/src/app/expander .
+
+ENTRYPOINT ["/expander"]

composition/Dockerfile.inline

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+# syntax=docker/dockerfile:1
+
+# ----------------- Build Container ---------------------------
+# Build the go app.
+FROM golang:1.23.2 AS build-stage
+
+# Set destination for COPY
+WORKDIR /go/src/app
+
+# Download Go modules
+# https://docs.docker.com/reference/dockerfile/#copy
+COPY go.mod go.sum ./
+COPY ./cmd/inline/main.go ./
+RUN go mod download
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -v -o inline main.go
+
+# ----------------- Final Container ---------------------------
+#FROM marketplace.gcr.io/google/debian10:latest as bootstrap
+FROM scratch as inline
+
+WORKDIR /root
+
+COPY --from=build-stage /go/src/app/inline .
+
+ENTRYPOINT ["/root/inline"]

composition/Dockerfile.jinja2.expander

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+# Copyright 2024 Google LLC
+#
+# 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.
+
+# syntax=docker/dockerfile:1
+
+# ----------------- Build Container ---------------------------
+# Build the go app.
+# Explicitly set to latest vs golang:1.22
+FROM golang:1.23.2 AS build-stage
+
+# Set destination for COPY
+WORKDIR /go/src/app
+
+# Download Go modules
+# https://docs.docker.com/reference/dockerfile/#copy
+COPY go.mod go.sum ./
+COPY ./expanders ./expanders
+COPY ./proto ./proto
+RUN go mod download
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -v -o expander expanders/jinja2/main.go
+
+# ----------------- Expander Container ---------------------------
+FROM python:3.7-slim as expander
+
+EXPOSE 50051
+
+WORKDIR /
+COPY --from=build-stage /go/src/app/expander .
+
+
+COPY ./expanders/jinja2/requirements.txt ./
+RUN pip install --require-hashes -r requirements.txt
+COPY ./expanders/jinja2/parse_template.py ./
+
+# Required when setting pod .spec.securityContext.runAsNonRoot: true
+#USER 65532:65532
+
+ENTRYPOINT ["jinja2"]