From 5a918f5a59e0e3b3af1ef75b5251b9f7ae7a15e8 Mon Sep 17 00:00:00 2001
From: Perry Liao
Date: Sun, 23 Oct 2022 20:17:53 -0700
Subject: Create Jenkins groovy pipeline for fib

---
 entries/perryliao/fib.groovy | 48 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 entries/perryliao/fib.groovy

(limited to 'entries/perryliao/fib.groovy')

diff --git a/entries/perryliao/fib.groovy b/entries/perryliao/fib.groovy
new file mode 100644
index 0000000..af1c4df
--- /dev/null
+++ b/entries/perryliao/fib.groovy
@@ -0,0 +1,48 @@
+pipeline {
+    agent any
+
+    parameters {
+        string defaultValue: '2', description: 'Number to compute in the Fibonacci Sequence', name: 'num', trim: true
+    }
+
+    stages {
+        stage('Create Cache') {
+            steps {
+                script {
+                    if (!fileExists("fibbonacciCache")) {
+                        sh 'echo "0\n1" > fibbonacciCache'
+                    }
+                }
+            }
+        }
+        stage('Validate Parameter') {
+            steps {
+                script {
+                    assert params.num.isInteger()
+                }
+            }
+        }
+        stage('Get Fibbonacci') {
+            steps {
+                script {
+                    result = fib(params.num.toInteger())
+                    println("The result is F(${params.num}) = ${result}")
+                }
+            }
+        }
+    }
+}
+
+int fib(int n, cache = 'fibbonacciCache') {
+    nComputed = sh(returnStdout: true, script: "wc -l < ${cache}").trim().toInteger()
+    if (n >= nComputed) {
+        // Need to do more recursion
+        result = fib(n - 2, cache) + fib(n - 1, cache)
+        sh "echo '${result}' >> ${cache}"
+        return result
+    } else {
+        // Already have what we need, so read from cache
+        return sh(returnStdout: true, script: "sed -n '${n + 1}p' ${cache}").trim().toInteger()
+    }
+}
+
-- 
cgit v1.2.3-70-g09d2


From 1df988400399d3147514cf42a132141b7f5d8194 Mon Sep 17 00:00:00 2001
From: Perry Liao
Date: Sun, 23 Oct 2022 20:46:17 -0700
Subject: make only 1 wc call

---
 entries/perryliao/fib.groovy | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'entries/perryliao/fib.groovy')

diff --git a/entries/perryliao/fib.groovy b/entries/perryliao/fib.groovy
index af1c4df..168913f 100644
--- a/entries/perryliao/fib.groovy
+++ b/entries/perryliao/fib.groovy
@@ -9,8 +9,8 @@ pipeline {
         stage('Create Cache') {
             steps {
                 script {
-                    if (!fileExists("fibbonacciCache")) {
-                        sh 'echo "0\n1" > fibbonacciCache'
+                    if (!fileExists("fibCache")) {
+                        sh 'echo "0\n1" > fibCache'
                     }
                 }
             }
@@ -25,6 +25,7 @@ pipeline {
         stage('Get Fibbonacci') {
             steps {
                 script {
+                    nComputed = sh(returnStdout: true, script: "wc -l < fibCache").trim().toInteger()
                     result = fib(params.num.toInteger())
                     println("The result is F(${params.num}) = ${result}")
                 }
@@ -33,16 +34,17 @@ pipeline {
     }
 }
 
-int fib(int n, cache = 'fibbonacciCache') {
-    nComputed = sh(returnStdout: true, script: "wc -l < ${cache}").trim().toInteger()
+def nComputed
+
+int fib(int n, cache = 'fibCache') {
     if (n >= nComputed) {
         // Need to do more recursion
         result = fib(n - 2, cache) + fib(n - 1, cache)
+        nComputed++
         sh "echo '${result}' >> ${cache}"
         return result
     } else {
         // Already have what we need, so read from cache
-        return sh(returnStdout: true, script: "sed -n '${n + 1}p' ${cache}").trim().toInteger()
+        return sh(returnStdout: true, script: "sed -n '${n + 1}p' ${cache}").toInteger()
     }
 }
-
-- 
cgit v1.2.3-70-g09d2


From 2f4fab9864a91d69d2b705430f6633bdfe7f5dd5 Mon Sep 17 00:00:00 2001
From: Perry Liao
Date: Sun, 23 Oct 2022 20:56:25 -0700
Subject: validation should probably come first lol

---
 entries/perryliao/fib.groovy | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'entries/perryliao/fib.groovy')

diff --git a/entries/perryliao/fib.groovy b/entries/perryliao/fib.groovy
index 168913f..d625d68 100644
--- a/entries/perryliao/fib.groovy
+++ b/entries/perryliao/fib.groovy
@@ -6,19 +6,19 @@ pipeline {
     }
 
     stages {
-        stage('Create Cache') {
+        stage('Validate Parameter') {
             steps {
                 script {
-                    if (!fileExists("fibCache")) {
-                        sh 'echo "0\n1" > fibCache'
-                    }
+                    assert params.num.isInteger()
                 }
             }
         }
-        stage('Validate Parameter') {
+        stage('Create Cache') {
             steps {
                 script {
-                    assert params.num.isInteger()
+                    if (!fileExists("fibCache")) {
+                        sh 'echo "0\n1" > fibCache'
+                    }
                 }
             }
         }
-- 
cgit v1.2.3-70-g09d2