feat(terraform): vendor terraform-provider-litellm as source of truth with endpoint drift CI

.github/workflows/test-terraform-provider.yml

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+name: Terraform Provider
+
+on:
+  push:
+    paths:
+      - "terraform/provider/**"
+      - ".github/workflows/test-terraform-provider.yml"
+  pull_request:
+    branches:
+      - main
+      - litellm_internal_staging
+      - litellm_oss_staging
+      - "litellm_**"
+    paths:
+      - "terraform/provider/**"
+      - "litellm/proxy/**"
+      - ".github/workflows/test-terraform-provider.yml"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  provider-checks:
+    name: gofmt, vet, build, test
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    defaults:
+      run:
+        working-directory: terraform/provider
+    steps:
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+        with:
+          persist-credentials: false
+
+      - uses: actions/setup-go@7a3fe6cf4cb3a834922a1244abfce67bcef6a0c5 # v6.2.0
+        with:
+          go-version-file: terraform/provider/go.mod
+          cache: true
+          cache-dependency-path: terraform/provider/go.sum
+
+      - name: gofmt
+        run: |
+          UNFORMATTED=$(gofmt -l .)
+          if [ -n "${UNFORMATTED}" ]; then
+            echo "::error::gofmt required for: ${UNFORMATTED}"
+            exit 1
+          fi
+
+      - name: go vet
+        run: go vet ./...
+
+      - name: Build
+        run: go build ./...
+
+      - name: Test
+        run: go test -timeout 120s ./...
+
+  endpoint-drift:
+    name: Provider endpoints vs proxy OpenAPI schema
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+        with:
+          persist-credentials: false
+
+      - name: Set up Python
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+        with:
+          python-version: "3.12"
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
+        with:
+          version: "0.10.9"
+
+      - name: Cache uv dependencies
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        with:
+          path: |
+            ~/.cache/uv
+            .venv
+          key: ${{ runner.os }}-uv-${{ hashFiles('uv.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-uv-
+
+      - name: Install dependencies
+        run: |
+          .github/scripts/uv_sync_with_retries.sh --frozen --group ci --group proxy-dev --extra google --extra proxy --extra semantic-router
+
+      - name: Generate Prisma client
+        env:
+          PRISMA_BINARY_CACHE_DIR: ${{ runner.temp }}/prisma-cache
+        run: |
+          uv run --no-sync prisma generate --schema litellm/proxy/schema.prisma
+
+      - name: Generate proxy OpenAPI schema
+        run: |
+          uv run --no-sync python terraform/provider/tools/dump_openapi.py "${RUNNER_TEMP}/openapi.json"
+
+      - uses: actions/setup-go@7a3fe6cf4cb3a834922a1244abfce67bcef6a0c5 # v6.2.0
+        with:
+          go-version-file: terraform/provider/go.mod
+          cache: true
+          cache-dependency-path: terraform/provider/go.sum
+
+      - name: Audit provider endpoints against the schema
+        working-directory: terraform/provider
+        run: go run ./tools/endpointaudit -provider-dir ./litellm -spec "${RUNNER_TEMP}/openapi.json"

terraform/provider/.gitignore

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+# Local .terraform directories
+**/.terraform/*
+test_litellm/*
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+
+# Crash log files
+crash.log
+crash.*.log
+
+# Exclude all .tfvars files, which are likely to contain sensitive data
+*.tfvars
+!*.tfvars.example
+
+# Ignore override files as they are usually used to override resources locally
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# Ignore CLI configuration files
+.terraformrc
+terraform.rc
+
+# Binary files
+terraform-provider-litellm
+
+# IDE and editor files
+.idea/
+*.swp
+*.swo
+.vscode/
+*.sublime-workspace
+*.sublime-project
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Go specific
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+*.test
+*.out
+go.work
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+
+# Log files
+*.log
+
+# Environment files
+.env

terraform/provider/.goreleaser.yml

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+# Visit https://goreleaser.com for documentation on how to customize this
+# behavior.
+version: 2
+before:
+  hooks:
+    # this is just an example and not a requirement for provider building/publishing
+    - go mod tidy
+builds:
+- env:
+    # goreleaser does not work with CGO, it could also complicate
+    # usage by users in CI/CD systems like HCP Terraform where
+    # they are unable to install libraries.
+    - CGO_ENABLED=0
+  mod_timestamp: '{{ .CommitTimestamp }}'
+  flags:
+    - -trimpath
+  ldflags:
+    - '-s -w -X main.version={{.Version}} -X main.commit={{.Commit}}'
+  goos:
+    - freebsd
+    - windows
+    - linux
+    - darwin
+  goarch:
+    - amd64
+    - '386'
+    - arm
+    - arm64
+  ignore:
+    # macOS doesn't support 32-bit anymore
+    - goos: darwin
+      goarch: '386'
+    # Windows ARM is uncommon for Terraform usage
+    - goos: windows
+      goarch: arm
+    - goos: windows
+      goarch: arm64
+    # FreeBSD ARM is rarely used
+    - goos: freebsd
+      goarch: arm
+    - goos: freebsd
+      goarch: arm64
+  # This builds the following key targets for Terraform users:
+  # - linux/amd64 (most common CI/CD)
+  # - linux/arm64 (Graviton, ARM-based CI)
+  # - linux/386 (legacy 32-bit systems)
+  # - linux/arm (Raspberry Pi, etc.)
+  # - darwin/amd64 (Intel Macs)
+  # - darwin/arm64 (Apple Silicon Macs)
+  # - windows/amd64 (Windows desktops)
+  # - freebsd/amd64, freebsd/386 (FreeBSD servers)
+  binary: '{{ .ProjectName }}_v{{ .Version }}'
+archives:
+- format: zip
+  name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}'
+checksum:
+  extra_files:
+    - glob: 'terraform-registry-manifest.json'
+      name_template: '{{ .ProjectName }}_{{ .Version }}_manifest.json'
+  name_template: '{{ .ProjectName }}_{{ .Version }}_SHA256SUMS'
+  algorithm: sha256
+signs:
+  - artifacts: checksum
+    args:
+      # if you are using this in a GitHub action or some other automated pipeline, you 
+      # need to pass the batch flag to indicate its not interactive.
+      - "--batch"
+      - "--local-user"
+      - "{{ .Env.GPG_FINGERPRINT }}" # set this environment variable for your signing key
+      - "--output"
+      - "${signature}"
+      - "--detach-sign"
+      - "${artifact}"
+release:
+  extra_files:
+    - glob: 'terraform-registry-manifest.json'
+      name_template: '{{ .ProjectName }}_{{ .Version }}_manifest.json'
+  # If you want to manually examine the release before its live, uncomment this line:
+  # draft: true
+changelog:
+  disable: true