POC: replace webhook notifications with nf-slack plugin

main.nf

@@ -89,7 +89,6 @@ workflow {
         params.plaintext_email,
         params.outdir,
         params.monochrome_logs,
-        params.hook_url,
         NFCORE_DEMO.out.multiqc_report
     )
 }

nextflow.config

@@ -34,7 +34,6 @@ params {
     email_on_fail                = null
     plaintext_email              = false
     monochrome_logs              = false
-    hook_url                     = null
     help                         = false
     help_full                    = false
     show_hidden                  = false
@@ -273,6 +272,20 @@ manifest {
 // Nextflow plugins
 plugins {
     id '[email protected]' // Validation of pipeline parameters and creation of an input channel from a sample sheet
+    id '[email protected]'  // Slack notifications for workflow events
+}
+
+// Slack notification configuration
+slack {
+    enabled = true
+    webhook = System.getenv('SLACK_WEBHOOK_URL')
+    notifyOnStart = true
+    notifyOnComplete = true
+    notifyOnError = true
+    username = 'Nextflow Bot'
+    iconEmoji = ':rocket:'
+    includeCommandLine = true
+    includeResourceUsage = true
 }
 
 validation {

nextflow_schema.json

@@ -193,13 +193,6 @@
                     "fa_icon": "fas fa-palette",
                     "hidden": true
                 },
-                "hook_url": {
-                    "type": "string",
-                    "description": "Incoming hook URL for messaging service",
-                    "fa_icon": "fas fa-broadcast-tower",
-                    "help_text": "Incoming hook URL for messaging service. Currently, MS Teams and Slack are supported.",
-                    "hidden": true
-                },
                 "multiqc_config": {
                     "type": "string",
                     "format": "file-path",

subworkflows/local/utils_nfcore_demo_pipeline/main.nf

@@ -13,7 +13,6 @@ include { paramsSummaryMap          } from 'plugin/nf-schema'
 include { samplesheetToList         } from 'plugin/nf-schema'
 include { completionEmail           } from '../../nf-core/utils_nfcore_pipeline'
 include { completionSummary         } from '../../nf-core/utils_nfcore_pipeline'
-include { imNotification            } from '../../nf-core/utils_nfcore_pipeline'
 include { UTILS_NFCORE_PIPELINE     } from '../../nf-core/utils_nfcore_pipeline'
 include { UTILS_NEXTFLOW_PIPELINE   } from '../../nf-core/utils_nextflow_pipeline'
 
@@ -111,7 +110,6 @@ workflow PIPELINE_COMPLETION {
     plaintext_email // boolean: Send plain-text email instead of HTML
     outdir          //    path: Path to output directory where results will be published
     monochrome_logs // boolean: Disable ANSI colour codes in log output
-    hook_url        //  string: hook URL for notifications
     multiqc_report  //  string: Path to MultiQC report
 
     main:
@@ -135,9 +133,6 @@ workflow PIPELINE_COMPLETION {
         }
 
         completionSummary(monochrome_logs)
-        if (hook_url) {
-            imNotification(summary_params, hook_url)
-        }
     }
 
     workflow.onError {