5e8a988858
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First boot crashed mid-SDK-install, and the dir-existence check then skipped reinstall forever: avdmanager saw the partial tree and died with 'Valid system image paths are: null' (CrashLoopBackOff). v2 tracks install completion with a marker file written only after sdkmanager succeeds + package.xml exists, wipes partial system-image trees before reinstalling, and retries sdkmanager 3x.
83 lines
3.3 KiB
Bash
83 lines
3.3 KiB
Bash
#!/usr/bin/env bash
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# Boot sequence: ensure SDK + AVD on the PVC (/sdk), bring up a virtual
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# display with browser viewing (Xvfb → x11vnc → noVNC :6080), start the
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# emulator windowed into it, and expose its adbd on :5555 for the LAN.
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set -euo pipefail
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API_LEVEL="${API_LEVEL:-36}"
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SYSTEM_IMAGE="system-images;android-${API_LEVEL};google_apis;x86_64"
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AVD_NAME="${AVD_NAME:-lab}"
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EMULATOR_RAM_MB="${EMULATOR_RAM_MB:-4096}"
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SCREEN_GEOMETRY="${SCREEN_GEOMETRY:-1080x2280x24}"
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[ -e /dev/kvm ] || { echo "FATAL: /dev/kvm not present — pod needs the kvm hostPath + privileged"; exit 1; }
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mkdir -p "$ANDROID_USER_HOME"
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# --- SDK packages on the PVC (idempotent; first boot downloads ~2.5GB) ------
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# A directory existing is NOT proof of a complete install (an interrupted
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# sdkmanager leaves partial trees that avdmanager rejects with "Valid system
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# image paths are: null") — so completion is tracked with a marker file
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# written only after sdkmanager succeeds.
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MARKER="/sdk/.sdk-install-complete-android-${API_LEVEL}"
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if [ ! -f "$MARKER" ]; then
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echo "Installing SDK packages into /sdk (first boot or prior partial install)..."
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rm -rf "/sdk/system-images/android-${API_LEVEL}"
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# (yes || true): yes dies of SIGPIPE (141) when sdkmanager stops reading,
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# which set -o pipefail would otherwise turn into a fatal error.
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(yes || true) | sdkmanager --sdk_root=/sdk --licenses >/dev/null
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for attempt in 1 2 3; do
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if sdkmanager --sdk_root=/sdk "platform-tools" "emulator" "$SYSTEM_IMAGE"; then
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break
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fi
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echo "sdkmanager attempt $attempt failed; retrying in 10s..." >&2
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[ "$attempt" = 3 ] && exit 1
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sleep 10
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done
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# the package manifest is what avdmanager actually validates against
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test -f "/sdk/system-images/android-${API_LEVEL}/google_apis/x86_64/package.xml"
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touch "$MARKER"
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fi
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# --- AVD (idempotent) --------------------------------------------------------
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if ! avdmanager list avd -c | grep -qx "$AVD_NAME"; then
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echo "Creating AVD '$AVD_NAME' (${SYSTEM_IMAGE}, pixel_7)..."
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(echo no || true) | avdmanager create avd -n "$AVD_NAME" -k "$SYSTEM_IMAGE" --device pixel_7
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cat >> "${ANDROID_AVD_HOME}/${AVD_NAME}.avd/config.ini" <<EOF
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hw.ramSize=${EMULATOR_RAM_MB}
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disk.dataPartition.size=8192M
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hw.keyboard=yes
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EOF
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fi
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# --- virtual display + browser viewing ---------------------------------------
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export DISPLAY=:0
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Xvfb :0 -screen 0 "$SCREEN_GEOMETRY" -nolisten tcp &
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sleep 1
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openbox &
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x11vnc -display :0 -nopw -forever -shared -quiet -bg
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websockify --web /usr/share/novnc 6080 localhost:5900 &
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# --- emulator -----------------------------------------------------------------
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# swiftshader = CPU rendering (no GPU dependency); KVM does the heavy lifting.
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emulator -avd "$AVD_NAME" \
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-gpu swiftshader_indirect -accel on \
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-memory "$EMULATOR_RAM_MB" \
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-no-audio -no-boot-anim \
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&
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adb wait-for-device
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echo "Emulator up; waiting for boot completion..."
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until [ "$(adb shell getprop sys.boot_completed 2>/dev/null | tr -d '\r')" = "1" ]; do
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sleep 3
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done
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echo "Boot completed."
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# Expose the emulator's adbd (localhost:5555) to the pod network. Plain TCP,
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# no auth — reachable only inside the LAN via the MetalLB IP.
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socat TCP-LISTEN:5555,fork,reuseaddr TCP:127.0.0.1:5555 &
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# Supervise: if any background process dies, exit so the pod restarts.
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wait -n
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echo "A supervised process exited; restarting pod." >&2
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exit 1
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