Support diffing against cluster state (#120)

* Support diffing against cluster state

* Upgrade dev agent docker image

* Add metrics ENV var

* lint

typescript/optics-deploy/config/environments/dev/agent.ts

@@ -6,6 +6,6 @@ export const agentConfig: AgentConfig = {
   runEnv: 'dev',
   docker: {
     repo: 'gcr.io/clabs-optics/optics-agent',
-    tag: 'dev-2021-12-20',
+    tag: '0cd3c5e4e856f6eb77f04276eee411de5809e03c',
   },
 };

typescript/optics-deploy/scripts/dev/update-agents-diff.ts

@@ -0,0 +1,16 @@
+import { HelmCommand, runAgentHelmCommand } from '../../src/agents';
+import { chains } from '../../config/environments/dev/chains';
+import { agentConfig } from '../../config/environments/dev/agent';
+
+async function deploy() {
+  for (const chain of chains) {
+    await runAgentHelmCommand(
+      HelmCommand.UpgradeDiff,
+      agentConfig,
+      chain,
+      chains,
+    );
+  }
+}
+
+deploy().then(console.log).catch(console.error);

typescript/optics-deploy/scripts/testnet/update-agents-diff.ts

@@ -0,0 +1,16 @@
+import { HelmCommand, runAgentHelmCommand } from '../../src/agents';
+import { chains } from '../../config/environments/testnet/chains';
+import { agentConfig } from '../../config/environments/testnet/agent';
+
+async function deploy() {
+  for (const chain of chains) {
+    await runAgentHelmCommand(
+      HelmCommand.UpgradeDiff,
+      agentConfig,
+      chain,
+      chains,
+    );
+  }
+}
+
+deploy().then(console.log).catch(console.error);

typescript/optics-deploy/src/agents.ts

@@ -33,6 +33,7 @@ export const KEY_ROLES = [
 export enum HelmCommand {
   Install = 'install',
   Upgrade = 'upgrade',
+  UpgradeDiff = 'template --debug',
 }
 
 async function helmValuesForChain(
@@ -158,6 +159,7 @@ export async function getAgentEnvVars(
       }`,
     );
   });
+  envVars.push(`OPT_BASE_METRICS=9090`);
 
   try {
     const gcpKeys = await fetchAgentGCPKeys(
@@ -233,12 +235,18 @@ export async function runAgentHelmCommand(
     chains,
   );
   const values = helmifyValues(valueDict);
+
+  const extraPipe =
+    action === HelmCommand.UpgradeDiff
+      ? ` | kubectl diff -n ${agentConfig.namespace} --field-manager="Go-http-client" -f - || true`
+      : '';
+
   return execCmd(
     `helm ${action} ${
       homeChainConfig.name
     } ../../rust/helm/optics-agent/ --namespace ${
       agentConfig.namespace
-    } ${values.join(' ')}`,
+    } ${values.join(' ')} ${extraPipe}`,
     {},
     false,
     true,