feat: Add workflow for collecting instance uptimes

.github/workflows/collect-instance-uptime.yml

@@ -0,0 +1,123 @@
+name: Collect Instance Uptime
+on:
+  #  schedule:
+  #    # Run every 5 mins
+  #    - cron: "* * * * *"
+  workflow_dispatch:
+
+jobs:
+  collect-instance-uptime:
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Collect Instance Uptime
+        run: |
+          export OS_CLOUD=BIO180006_IU # Select openstack auth settings defined in ".config/openstack/clouds.yaml"
+
+          source ~/venv/bin/activate
+
+          instance_prefix=${PREFIX:+${PREFIX}_}
+          instance_basename="${instance_prefix}instance"
+
+          JSON_FILE=uptime.json
+          JSON_FILE_TMP=uptime.json.tmp
+
+          if [[ ! -f $JSON_FILE ]]; then
+            jq --null-input \
+              --arg allocation_id "$OS_CLOUD" \
+              '{"allocations": [{"id": $allocation_id, "instances": []}]}' > $JSON_FILE
+          fi
+
+          openstack server list --name "^${instance_basename}-\d+" -f json | \
+          jq -r '.[] | [.Name, .Status, ."OS-EXT-STS:task_state"] | @tsv' | \
+            while IFS=$'\t' read -r instance_name status task_state; do
+              echo "instance_name [$instance_name] status [$status] task_state [$task_state]"
+              if [[ "$status" != "ACTIVE" ]]; then
+                # Skip because instance is not active
+                continue
+              fi
+              if [[ "$task_state" != "" ]]; then
+                # Skip because instance status is being updated
+                continue
+              fi
+              # Extract issue number
+              issue_number=${instance_name##*-}
+              echo "issue_number [$issue_number]"
+              # Get instance IP
+              instance_ip=$(
+                openstack server show $instance_name -c addresses -f json | \
+                jq -r '.addresses.auto_allocated_network[1]'
+              )
+              echo "instance_ip [$instance_ip]"
+              if [[ "$instance_ip" == "null" ]]; then
+                echo "::warning ::Failed to retrieve $instance_name IP"
+                continue
+              fi
+              # Retrieve uptime
+              uptime=$(ssh \
+                -o StrictHostKeyChecking=no \
+                -o UserKnownHostsFile=/dev/null \
+                -o LogLevel=ERROR \
+                exouser@$instance_ip \
+                  'cat /proc/uptime | awk  "{print \$1}"')
+
+              # Retrieve startup time in yyyy-mm-dd HH:MM:SS format
+              startup_time=$(ssh \
+                -o StrictHostKeyChecking=no \
+                -o UserKnownHostsFile=/dev/null \
+                -o LogLevel=ERROR \
+                exouser@$instance_ip \
+                  'uptime -s')
+
+              # Check if there is an entry for instance_name
+              has_instance=(cat $JSON_FILE | jq \
+                --arg allocation_id "$OS_CLOUD" \
+                --arg instance_name "$instance_name" \
+                --arg startup_time "$startup_time" \
+                'any(.allocations[] | select(.id == $allocation_id) | .instances[]; .name == $instance_name)')
+              if [[ "$has_instance" == "false" ]]; then
+                # Add entry
+                cat $JSON_FILE | jq \
+                  --arg allocation_id "$OS_CLOUD" \
+                  --arg instance_name "$instance_name" \
+                  '(.allocations[] | select(.id == $allocation_id) | .instances)
+                  += [{"name": $instance_name, "uptimes": {}}]' > $JSON_FILE_TMP \
+                  && mv $JSON_FILE_TMP $JSON_FILE
+              fi
+
+              # Check if there is an entry for startup_time
+              has_startup_time=(cat $JSON_FILE | jq \
+                --arg allocation_id "$OS_CLOUD" \
+                --arg instance_name "$instance_name" \
+                --arg startup_time "$startup_time" \
+                '(.allocations[] | select(.id == $allocation_id) | .instances[] | select(.name == $instance_name) | .uptimes | has($startup_time))')
+
+              if [[ "$has_startup_time" == "false"]]; then
+                # Add entry
+                cat $JSON_FILE | jq \
+                  --arg allocation_id "$OS_CLOUD" \
+                  --arg instance_name "$instance_name" \
+                  --arg startup_time "$startup_time" \
+                  --arg uptime "$uptime" \
+                  '(.allocations[] | select(.id == $allocation_id) | .instances[] | select(.name == $instance_name) | .uptimes)
+                  += {($startup_time): $uptime|tonumber}' > $JSON_FILE_TMP \
+                  && mv $JSON_FILE_TMP $JSON_FILE
+              else
+                # Update entry
+                cat $JSON_FILE | jq \
+                  --arg allocation_id "$OS_CLOUD" \
+                  --arg instance_name "$instance_name" \
+                  --arg startup_time "$startup_time" \
+                  --arg uptime "$uptime" \
+                  '(.allocations[] | select(.id == $allocation_id) | .instances[] | select(.name == $instance_name) | .uptimes[$startup_time])
+                  = ($uptime|tonumber)' > $JSON_FILE_TMP \
+                  && mv $JSON_FILE_TMP $JSON_FILE
+              fi
+            done
+
+            echo "--------"
+            cat $JSON_FILE
+            echo "--------"
+        env:
+          PREFIX: ${{ vars.INSTANCE_NAME_PREFIX }}