feat(cd): add external static IPs to release nodes

.github/workflows/cd-deploy-nodes-gcp.yml

@@ -237,8 +237,6 @@
     needs: [ build, versioning, test-configuration-file, test-zebra-conf-path, get-disk-name ]
     runs-on: ubuntu-latest
     timeout-minutes: 60
-    env:
-      CACHED_DISK_NAME: ${{ needs.get-disk-name.outputs.cached_disk_name }}
     permissions:
       contents: 'read'
       id-token: 'write'
@@ -256,14 +254,17 @@
 
       # Makes the Zcash network name lowercase.
       #
-      # Labels in GCP are required to be in lowercase, but the blockchain network
-      # uses sentence case, so we need to downcase the network.
+      # Labels and disks in GCP are required to be in lowercase, but the blockchain network
+      # uses sentence case, so we need to downcase the ${{ matrix.network }}.
       #
-      # Passes the lowercase network to subsequent steps using $NETWORK env variable.
+      # Passes ${{ matrix.network }} to subsequent steps using $NETWORK env variable.
+      # Passes ${{ env.GITHUB_REF_SLUG_URL }} to subsequent steps using $SHORT_GITHUB_REF env variable.
       - name: Downcase network name for labels
         run: |
           NETWORK_CAPS="${{ matrix.network }}"
           echo "NETWORK=${NETWORK_CAPS,,}" >> "$GITHUB_ENV"
+          LONG_GITHUB_REF="${{ env.GITHUB_REF_SLUG_URL }}"
+          echo "SHORT_GITHUB_REF=${LONG_GITHUB_REF:0:12}" >> "$GITHUB_ENV"
 
       # Setup gcloud CLI
       - name: Authenticate to Google Cloud
@@ -276,8 +277,37 @@
       - name: Set up Cloud SDK
         uses: google-github-actions/setup-gcloud@v2.1.2
 
+      # TODO: The sub-find-cached-disks.yml reusable workflow does not supports matrix strategy
+      # We need to find a way to pass the matching network from the `get-disk-name` job
+      # In the meanwhile we're repeating the logic of sub-find-cached-disks.yml here
+      - name: Check if cached state disks exists
+        id: get-available-disks
+        env:
+          GITHUB_REF: ${{ env.SHORT_GITHUB_REF }}
+          NETWORK: ${{ env.NETWORK }} # use lowercase version from env, not input
+          DISK_PREFIX: zebrad-cache
+          DISK_SUFFIX: ${{ inputs.cached_disk_type || 'tip' }}
+          PREFER_MAIN_CACHED_STATE: ${{ inputs.prefer_main_cached_state }}
+        run: |
+          source ./.github/workflows/scripts/gcp-get-cached-disks.sh
+          echo "state_version=${LOCAL_STATE_VERSION}" >> "${GITHUB_OUTPUT}"
+          echo "cached_disk_name=${CACHED_DISK_NAME}" >> "${GITHUB_OUTPUT}"
+          echo "lwd_tip_disk=${LWD_TIP_DISK}" >> "${GITHUB_OUTPUT}"
+          echo "zebra_tip_disk=${ZEBRA_TIP_DISK}" >> "${GITHUB_OUTPUT}"
+          echo "zebra_checkpoint_disk=${ZEBRA_CHECKPOINT_DISK}" >> "${GITHUB_OUTPUT}"
+
+      - name: Get IP address for long-running release nodes
+        if: ${{ github.event_name == 'release' }}
+        run: echo "IP_ADDRESS=$(gcloud compute addresses describe zebra-${NETWORK} --region ${{ vars.GCP_REGION }} --format='value(address)')" >> "$GITHUB_ENV"
+
       - name: Create instance template for ${{ matrix.network }}
         run: |
+          if [ -n "${{ env.IP_ADDRESS }}" ]; then
+            IP_FLAG="--address=${{ env.IP_ADDRESS }}"
+          else
+            IP_FLAG=""
+          fi
+
           DISK_NAME="zebrad-cache-${{ env.GITHUB_HEAD_REF_SLUG_URL || env.GITHUB_REF_SLUG_URL }}-${{ env.GITHUB_SHA_SHORT }}-${NETWORK}"
           DISK_PARAMS="name=${DISK_NAME},device-name=${DISK_NAME},size=400GB,type=pd-balanced"
           if [ -n "${{ env.CACHED_DISK_NAME }}" ]; then
@@ -288,13 +318,15 @@
             echo "No cached disk found for ${{ matrix.network }} in main branch"
             exit 1
           fi
+
           gcloud compute instance-templates create-with-container zebrad-${{ needs.versioning.outputs.major_version || env.GITHUB_REF_SLUG_URL }}-${{ env.GITHUB_SHA_SHORT }}-${NETWORK} \
           --machine-type ${{ vars.GCP_SMALL_MACHINE }} \
           --boot-disk-size=10GB \
           --boot-disk-type=pd-standard \
           --image-project=cos-cloud \
           --image-family=cos-stable \
-          --network-interface=subnet=${{ vars.GCP_SUBNETWORK }} \
+          --subnet=${{ vars.GCP_SUBNETWORK }} \
+          ${IP_FLAG} \
           --create-disk="${DISK_PARAMS}" \
           --container-mount-disk=mount-path='/var/cache/zebrad-cache',name=${DISK_NAME},mode=rw \
           --container-stdin \
@@ -406,7 +438,7 @@
           --boot-disk-type=pd-standard \
           --image-project=cos-cloud \
           --image-family=cos-stable \
-          --network-interface=subnet=${{ vars.GCP_SUBNETWORK }} \
+          --subnet=${{ vars.GCP_SUBNETWORK }} \
           --create-disk="${DISK_PARAMS}" \
           --container-mount-disk=mount-path='/var/cache/zebrad-cache',name=${DISK_NAME},mode=rw \
           --container-stdin \

.github/workflows/manual-zcashd-deploy.yml

@@ -73,7 +73,7 @@ jobs:
           --container-image electriccoinco/zcashd \
           --container-env ZCASHD_NETWORK="${{ inputs.network }}" \
           --machine-type ${{ vars.GCP_SMALL_MACHINE }} \
-          --network-interface=subnet=${{ vars.GCP_SUBNETWORK }} \
+          --subnet=${{ vars.GCP_SUBNETWORK }} \
           --service-account ${{ vars.GCP_DEPLOYMENTS_SA }} \
           --scopes cloud-platform \
           --labels=app=zcashd,environment=prod,network=${NETWORK},github_ref=${{ env.GITHUB_REF_SLUG_URL }} \