From 25173ef6eda6cfc3dfa3f2315e46ae536cba95fb Mon Sep 17 00:00:00 2001
From: Mike Bonnet <mikeb@redhat.com>
Date: Feb 18 2019 21:50:37 +0000
Subject: add a Builder class


The Builder class and build() method will launch a build from a
set of objects or the name of a BuildConfig. It will optionally
wait until the build completes, streaming the build logs to the
console, if available.

---

diff --git a/src/com/redhat/c3i/util/Builder.groovy b/src/com/redhat/c3i/util/Builder.groovy
new file mode 100644
index 0000000..e6cfa28
--- /dev/null
+++ b/src/com/redhat/c3i/util/Builder.groovy
@@ -0,0 +1,62 @@
+// Runs OpenShift builds and waits until they've completed.
+// Mike Bonnet (mikeb@redhat.com), 2019-02-15
+
+package com.redhat.c3i.util
+
+def build(List models, boolean wait, Object... args) {
+  openshift.withCluster() {
+    def objects = openshift.apply(models)
+    def bc = objects.narrow("bc")
+    return _build(bc, wait, args)
+  }
+}
+
+def build(bcname, boolean wait, Object... args) {
+  openshift.withCluster() {
+    def bc = openshift.selector(bcname)
+    return _build(bc, wait, args)
+  }
+}
+
+def _build(bc, boolean wait, Object... args) {
+  def build = bc.startBuild(args as String[])
+  if (wait) {
+    _wait(build)
+  }
+  return build.name()
+}
+
+def wait(buildsel) {
+  openshift.withCluster() {
+    def build = openshift.selector(buildsel)
+    return _wait(build)
+  }
+}
+
+def _wait(build) {
+  echo "Waiting for ${build.name()} to start..."
+  timeout(5) {
+    build.watch {
+      return !(it.object().status.phase in ["New", "Pending", "Unknown"])
+    }
+  }
+  if (build.object().spec.strategy.type == "JenkinsPipeline") {
+    echo "Waiting for ${build.name()} to complete..."
+    build.logs("--tail=1")
+    timeout(60) {
+      build.watch {
+        it.object().status.phase != "Running"
+      }
+    }
+  } else {
+    echo "Following build logs..."
+    while (build.object().status.phase == "Running") {
+      build.logs("--tail=1", "--timestamps=true", "-f")
+    }
+  }
+  def buildobj = build.object()
+  if (buildobj.status.phase != "Complete") {
+    error "Build ${buildobj.metadata.name} ${buildobj.status.phase}"
+  }
+  return build.name()
+}
diff --git a/vars/c3i.groovy b/vars/c3i.groovy
index b9f7247..d102d25 100644
--- a/vars/c3i.groovy
+++ b/vars/c3i.groovy
@@ -7,3 +7,9 @@ def cleanup(String... apps) {
     deployer.cleanup(apps)
   }
 }
+
+def build(modelsOrName, boolean wait = true, Object... args) {
+  def builder = new com.redhat.c3i.util.Builder()
+  def buildname = builder.build(modelsOrName, wait, args)
+  return buildname
+}