Add boilerplate to metrics with consistent metrics naming with go and java client (#35)

<!-- Describe what has changed in this PR -->
**What changed?**
Add boilerplate to metrics with consistent metrics naming with
[go](https://raw.githubusercontent.com/cadence-workflow/cadence-go-client/221cc4e3735d4bdad2718f24cc7d937d3c73c940/internal/common/metrics/constants.go)
and
[java](https://raw.githubusercontent.com/cadence-workflow/cadence-java-client/8e0e3e2558d5f50a1959e888e2e2c9c0c9e52089/src/main/java/com/uber/cadence/internal/metrics/MetricsType.java)
client

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**Why?**
Add this so that we don't forget in the future

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test? Checked in staging env? -->
**How did you test it?**
only definition

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**Release notes**

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https://cadenceworkflow.io/docs/operation-guide/setup/ ? If so, please
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**Documentation Changes**

Signed-off-by: Tim Li <[email protected]>

Author: timl3136

cadence/metrics/constants.py

@@ -0,0 +1,101 @@
+"""Metric name constants for Cadence client matching Go client naming convention."""
+
+# Metric name prefix
+CADENCE_METRICS_PREFIX = "cadence-"
+
+# Workflow Creation metrics
+WORKFLOW_START_COUNTER = CADENCE_METRICS_PREFIX + "workflow-start"
+WORKFLOW_START_ASYNC_COUNTER = CADENCE_METRICS_PREFIX + "workflow-start-async"
+WORKFLOW_COMPLETED_COUNTER = CADENCE_METRICS_PREFIX + "workflow-completed"
+WORKFLOW_CANCELED_COUNTER = CADENCE_METRICS_PREFIX + "workflow-canceled"
+WORKFLOW_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "workflow-failed"
+WORKFLOW_CONTINUE_AS_NEW_COUNTER = CADENCE_METRICS_PREFIX + "workflow-continue-as-new"
+WORKFLOW_END_TO_END_LATENCY = CADENCE_METRICS_PREFIX + "workflow-endtoend-latency"
+WORKFLOW_GET_HISTORY_COUNTER = CADENCE_METRICS_PREFIX + "workflow-get-history-total"
+WORKFLOW_GET_HISTORY_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "workflow-get-history-failed"
+WORKFLOW_GET_HISTORY_SUCCEED_COUNTER = CADENCE_METRICS_PREFIX + "workflow-get-history-succeed"
+WORKFLOW_GET_HISTORY_LATENCY = CADENCE_METRICS_PREFIX + "workflow-get-history-latency"
+WORKFLOW_SIGNAL_WITH_START_COUNTER = CADENCE_METRICS_PREFIX + "workflow-signal-with-start"
+WORKFLOW_SIGNAL_WITH_START_ASYNC_COUNTER = CADENCE_METRICS_PREFIX + "workflow-signal-with-start-async"
+DECISION_TIMEOUT_COUNTER = CADENCE_METRICS_PREFIX + "decision-timeout"
+
+# Decision Poll metrics
+DECISION_POLL_COUNTER = CADENCE_METRICS_PREFIX + "decision-poll-total"
+DECISION_POLL_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "decision-poll-failed"
+DECISION_POLL_TRANSIENT_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "decision-poll-transient-failed"
+DECISION_POLL_NO_TASK_COUNTER = CADENCE_METRICS_PREFIX + "decision-poll-no-task"
+DECISION_POLL_SUCCEED_COUNTER = CADENCE_METRICS_PREFIX + "decision-poll-succeed"
+DECISION_POLL_LATENCY = CADENCE_METRICS_PREFIX + "decision-poll-latency"
+DECISION_POLL_INVALID_COUNTER = CADENCE_METRICS_PREFIX + "decision-poll-invalid"
+DECISION_SCHEDULED_TO_START_LATENCY = CADENCE_METRICS_PREFIX + "decision-scheduled-to-start-latency"
+DECISION_EXECUTION_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "decision-execution-failed"
+DECISION_EXECUTION_LATENCY = CADENCE_METRICS_PREFIX + "decision-execution-latency"
+DECISION_RESPONSE_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "decision-response-failed"
+DECISION_RESPONSE_LATENCY = CADENCE_METRICS_PREFIX + "decision-response-latency"
+DECISION_TASK_PANIC_COUNTER = CADENCE_METRICS_PREFIX + "decision-task-panic"
+DECISION_TASK_COMPLETED_COUNTER = CADENCE_METRICS_PREFIX + "decision-task-completed"
+DECISION_TASK_FORCE_COMPLETED_COUNTER = CADENCE_METRICS_PREFIX + "decision-task-force-completed"
+
+# Activity Poll metrics
+ACTIVITY_POLL_COUNTER = CADENCE_METRICS_PREFIX + "activity-poll-total"
+ACTIVITY_POLL_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "activity-poll-failed"
+ACTIVITY_POLL_TRANSIENT_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "activity-poll-transient-failed"
+ACTIVITY_POLL_NO_TASK_COUNTER = CADENCE_METRICS_PREFIX + "activity-poll-no-task"
+ACTIVITY_POLL_SUCCEED_COUNTER = CADENCE_METRICS_PREFIX + "activity-poll-succeed"
+ACTIVITY_POLL_LATENCY = CADENCE_METRICS_PREFIX + "activity-poll-latency"
+ACTIVITY_SCHEDULED_TO_START_LATENCY = CADENCE_METRICS_PREFIX + "activity-scheduled-to-start-latency"
+ACTIVITY_EXECUTION_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "activity-execution-failed"
+ACTIVITY_EXECUTION_LATENCY = CADENCE_METRICS_PREFIX + "activity-execution-latency"
+ACTIVITY_RESPONSE_LATENCY = CADENCE_METRICS_PREFIX + "activity-response-latency"
+ACTIVITY_RESPONSE_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "activity-response-failed"
+ACTIVITY_END_TO_END_LATENCY = CADENCE_METRICS_PREFIX + "activity-endtoend-latency"
+ACTIVITY_TASK_PANIC_COUNTER = CADENCE_METRICS_PREFIX + "activity-task-panic"
+ACTIVITY_TASK_COMPLETED_COUNTER = CADENCE_METRICS_PREFIX + "activity-task-completed"
+ACTIVITY_TASK_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "activity-task-failed"
+ACTIVITY_TASK_CANCELED_COUNTER = CADENCE_METRICS_PREFIX + "activity-task-canceled"
+ACTIVITY_TASK_COMPLETED_BY_ID_COUNTER = CADENCE_METRICS_PREFIX + "activity-task-completed-by-id"
+ACTIVITY_TASK_FAILED_BY_ID_COUNTER = CADENCE_METRICS_PREFIX + "activity-task-failed-by-id"
+ACTIVITY_TASK_CANCELED_BY_ID_COUNTER = CADENCE_METRICS_PREFIX + "activity-task-canceled-by-id"
+
+# Local Activity metrics
+LOCAL_ACTIVITY_TOTAL_COUNTER = CADENCE_METRICS_PREFIX + "local-activity-total"
+LOCAL_ACTIVITY_TIMEOUT_COUNTER = CADENCE_METRICS_PREFIX + "local-activity-timeout"
+LOCAL_ACTIVITY_CANCELED_COUNTER = CADENCE_METRICS_PREFIX + "local-activity-canceled"
+LOCAL_ACTIVITY_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "local-activity-failed"
+LOCAL_ACTIVITY_PANIC_COUNTER = CADENCE_METRICS_PREFIX + "local-activity-panic"
+LOCAL_ACTIVITY_EXECUTION_LATENCY = CADENCE_METRICS_PREFIX + "local-activity-execution-latency"
+LOCALLY_DISPATCHED_ACTIVITY_POLL_COUNTER = CADENCE_METRICS_PREFIX + "locally-dispatched-activity-poll-total"
+LOCALLY_DISPATCHED_ACTIVITY_POLL_NO_TASK_COUNTER = CADENCE_METRICS_PREFIX + "locally-dispatched-activity-poll-no-task"
+LOCALLY_DISPATCHED_ACTIVITY_POLL_SUCCEED_COUNTER = CADENCE_METRICS_PREFIX + "locally-dispatched-activity-poll-succeed"
+ACTIVITY_LOCAL_DISPATCH_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "activity-local-dispatch-failed"
+ACTIVITY_LOCAL_DISPATCH_SUCCEED_COUNTER = CADENCE_METRICS_PREFIX + "activity-local-dispatch-succeed"
+WORKER_PANIC_COUNTER = CADENCE_METRICS_PREFIX + "worker-panic"
+
+# Signal metrics
+UNHANDLED_SIGNALS_COUNTER = CADENCE_METRICS_PREFIX + "unhandled-signals"
+CORRUPTED_SIGNALS_COUNTER = CADENCE_METRICS_PREFIX + "corrupted-signals"
+
+# Worker metrics
+WORKER_START_COUNTER = CADENCE_METRICS_PREFIX + "worker-start"
+POLLER_START_COUNTER = CADENCE_METRICS_PREFIX + "poller-start"
+
+# Client metrics
+CADENCE_REQUEST = CADENCE_METRICS_PREFIX + "request"
+CADENCE_ERROR = CADENCE_METRICS_PREFIX + "error"
+CADENCE_LATENCY = CADENCE_METRICS_PREFIX + "latency"
+CADENCE_INVALID_REQUEST = CADENCE_METRICS_PREFIX + "invalid-request"
+
+# Sticky Cache metrics
+STICKY_CACHE_HIT = CADENCE_METRICS_PREFIX + "sticky-cache-hit"
+STICKY_CACHE_MISS = CADENCE_METRICS_PREFIX + "sticky-cache-miss"
+STICKY_CACHE_EVICT = CADENCE_METRICS_PREFIX + "sticky-cache-evict"
+STICKY_CACHE_STALL = CADENCE_METRICS_PREFIX + "sticky-cache-stall"
+STICKY_CACHE_SIZE = CADENCE_METRICS_PREFIX + "sticky-cache-size"
+
+# Replay metrics
+NON_DETERMINISTIC_ERROR = CADENCE_METRICS_PREFIX + "non-deterministic-error"
+REPLAY_SUCCEED_COUNTER = CADENCE_METRICS_PREFIX + "replay-succeed"
+REPLAY_FAILED_COUNTER = CADENCE_METRICS_PREFIX + "replay-failed"
+REPLAY_SKIPPED_COUNTER = CADENCE_METRICS_PREFIX + "replay-skipped"
+REPLAY_LATENCY = CADENCE_METRICS_PREFIX + "replay-latency"
+