fix: handle non-JSON responses

.github/workflows/sanity-test.yml

@@ -12,9 +12,8 @@ permissions:
   contents: read
 
 jobs:
-
   test-action:
-    name: OCI CLI GitHub Action Test
+    name: Sanity test run-oci-cli-command action
     runs-on: ubuntu-latest
     env:
       OCI_CLI_USER: ${{ secrets.OCI_CLI_USER }}
@@ -37,3 +36,10 @@ jobs:
       - name: Output object storage namespace
         id: output-os-ns
         run: echo "${{ steps.test-action-get-os-ns.outputs.output }}"
+
+      - name: Test non-JSON output
+        id: test-non-json-output
+        uses: ./
+        with:
+          command: --output=table iam region list
+          silent: false

README.md

@@ -34,12 +34,14 @@ purposes only:
 
 ## Outputs
 
-- `output`: will contain the results of the command in JSON format.
+- `output`: will contain the results of the command.
 - `raw_output`: if the output of a given query is a single string value, `raw_output` will return the string without
   surrounding quotes.
 
 > **Note:** filtering the `output` or `raw_output` by piping it through another tool like `jq` may result in the
-> filtered output being visible in the job logs. We recommend using the `query` parameter instead.
+> filtered output being visible in the job logs. We recommend using the `query` parameter whenever possible.
+
+If the result of the command is not valid JSON, it will not be visible unless `silent` is set to _false_.
 
 ## Sample workflow
 
@@ -63,14 +65,14 @@ jobs:
       OCI_CLI_REGION: ${{ secrets.OCI_CLI_REGION }}
     steps:
       - name: Retrieve the OCID of a named compartment in tenancy
-        uses: oracle-actions/run-oci-cli-command@v1.2.0
+        uses: oracle-actions/run-oci-cli-command@v1.3.0
         id: find-compartment-id
         with:
           command: 'iam compartment list --compartment-id-in-subtree=true'
           query: "data[?name=='testing'].id"
 
       - name: Retrieve the display name and shape of the instances in my compartment
-        uses: oracle-actions/run-oci-cli-command@v1.2.0
+        uses: oracle-actions/run-oci-cli-command@v1.3.0
         id: find-instances
         with:
           command: 'compute instance list --compartment-id ${{ steps.find-compartment-id.outputs.raw_output }}'

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@oracle-actions/run-oci-cli-command",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "author": {
     "name": "Oracle Cloud Infrastructure",
     "email": "[email protected]"

src/main.ts

@@ -11,6 +11,20 @@ import * as fs from 'fs'
 import * as os from 'os'
 import * as path from 'path'
 
+/**
+ * Test if the content of a variable has a valid JSON structure
+ */
+function isJson(item: string): boolean {
+  let value = typeof item !== 'string' ? JSON.stringify(item) : item
+  try {
+    value = JSON.parse(value)
+  } catch (e) {
+    return false
+  }
+
+  return typeof value === 'object' && value !== null
+}
+
 /**
  * Install the OCI CLI (if ncessary) and then run the command specified by
  * the user workflow. By default, the action suppresses/masks the command
@@ -42,27 +56,30 @@ async function runOciCliCommand(): Promise<void> {
   if (silent) core.setSecret(cliCommand)
 
   const cliResult = await exec.getExecOutput(cliCommand, [], { silent: silent })
+  let stdout = {}
+  let output = ''
+  let raw_output = ''
 
-  if (cliResult) {
-    const stdout = cliResult.stdout ? JSON.parse(cliResult.stdout) : {}
-    const stderr = cliResult.stderr ? JSON.stringify(cliResult.stderr) : ''
-
-    if (cliResult.exitCode == 0) {
-      const output = JSON.stringify(JSON.stringify(stdout))
-
-      if (silent && output) core.setSecret(output)
-      core.setOutput('output', output)
-
+  if (cliResult && cliResult.exitCode == 0) {
+    if (cliResult.stdout && !isJson(cliResult.stdout)) {
+      output = cliResult.stdout
+      raw_output = cliResult.stdout
+    } else {
+      stdout = JSON.parse(cliResult.stdout)
+      output = JSON.stringify(JSON.stringify(stdout))
       if (Object.keys(stdout).length == 1) {
-        const raw_output = stdout[0]
-        if (silent && raw_output) core.setSecret(raw_output)
-        core.setOutput('raw_output', raw_output)
+        raw_output = Object.keys(stdout)[0]
       }
-    } else {
-      core.setFailed(`Failed: ${JSON.stringify(stderr)}`)
     }
+
+    if (silent && output) core.setSecret(output)
+    core.setOutput('output', output)
+
+    if (silent && raw_output) core.setSecret(raw_output)
+    core.setOutput('raw_output', raw_output)
   } else {
-    core.setFailed('Failed to execute OCI CLI command.')
+    const stderr = cliResult.stderr ? JSON.stringify(cliResult.stderr) : ''
+    core.setFailed(`Failed: ${JSON.stringify(stderr)}`)
   }
 }