ci: enable Copilot cloud agent on 1ES

.gitattributes

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+scripts/cloud-agent/*.sh text eol=lf
+.github/workflows/copilot-setup-steps.yml text eol=lf

.github/workflows/copilot-setup-steps.yml

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+name: Copilot Setup Steps
+
+permissions: {}
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+      - scripts/cloud-agent/setup.sh
+
+jobs:
+  # This job name is required by GitHub Copilot coding agent.
+  copilot-setup-steps:
+    runs-on: trident-github-runner-ubuntu2204-amd64
+    timeout-minutes: 59
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      - name: Set up Go
+        uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
+        with:
+          go-version: "1.25.x"
+          cache: false
+
+      - name: Set up Trident dependencies
+        run: scripts/cloud-agent/setup.sh

scripts/cloud-agent/setup.sh

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+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+readonly RUST_TOOLCHAIN="1.93.0"
+readonly PROTOC_VERSION="33.2"
+readonly PROTOC_SHA256="b24b53f87c151bfd48b112fe4c3a6e6574e5198874f38036aff41df3456b8caf"
+readonly PROTOC_GEN_GO_VERSION="v1.36.11"
+readonly PROTOC_GEN_GO_GRPC_VERSION="v1.6.2"
+readonly DATA_DISK_MOUNT="/mnt/storage"
+readonly CARGO_TARGET_PATH="$DATA_DISK_MOUNT/trident-cloud-agent/cargo-target"
+
+sudo mkdir -p /etc/apt/apt.conf.d
+echo 'DPkg::Lock::Timeout "600";' | sudo tee /etc/apt/apt.conf.d/99lock-timeout
+
+sudo apt-get update
+sudo apt-get install -y --no-install-recommends \
+    build-essential \
+    ca-certificates \
+    clang \
+    curl \
+    libclang-dev \
+    libssl-dev \
+    pkg-config \
+    unzip
+
+protoc_archive="protoc-${PROTOC_VERSION}-linux-x86_64.zip"
+curl --fail --location --retry 3 \
+    --output "$RUNNER_TEMP/$protoc_archive" \
+    "https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/${protoc_archive}"
+echo "$PROTOC_SHA256  $RUNNER_TEMP/$protoc_archive" | sha256sum --check
+sudo unzip -o "$RUNNER_TEMP/$protoc_archive" -d /usr/local
+rm -f "$RUNNER_TEMP/$protoc_archive"
+
+go_bin_dir="$(go env GOPATH)/bin"
+export PATH="$go_bin_dir:$PATH"
+echo "$go_bin_dir" >> "$GITHUB_PATH"
+go install "google.golang.org/protobuf/cmd/protoc-gen-go@${PROTOC_GEN_GO_VERSION}"
+go install "google.golang.org/grpc/cmd/protoc-gen-go-grpc@${PROTOC_GEN_GO_GRPC_VERSION}"
+
+if ! command -v rustup >/dev/null 2>&1; then
+    echo "The Trident runner image must provide rustup" >&2
+    exit 1
+fi
+
+export PATH="$HOME/.cargo/bin:$PATH"
+echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+
+rustup toolchain install "$RUST_TOOLCHAIN" \
+    --profile minimal \
+    --component clippy,rustfmt
+rustup default "$RUST_TOOLCHAIN"
+
+if ! mountpoint --quiet "$DATA_DISK_MOUNT"; then
+    echo "Expected runner data disk is not mounted at $DATA_DISK_MOUNT" >&2
+    exit 1
+fi
+findmnt --mountpoint "$DATA_DISK_MOUNT"
+
+sudo install -d -o "$(id -u)" -g "$(id -g)" "$CARGO_TARGET_PATH"
+
+make .cargo/config
+if [[ -e target && ! -L target ]]; then
+    if [[ ! -d target || -n "$(find target -mindepth 1 -maxdepth 1 -print -quit)" ]]; then
+        echo "Refusing to replace existing non-empty target path" >&2
+        exit 1
+    fi
+    rmdir target
+fi
+ln -sfn "$CARGO_TARGET_PATH" target
+test "$(readlink -f target)" = "$CARGO_TARGET_PATH"
+
+cargo fetch --locked
+
+rustc --version
+cargo --version
+go version
+protoc --version
+protoc-gen-go --version
+protoc-gen-go-grpc --version