From 217bef582ef556e122a1eea5e4ac5b627ea4e3c1 Mon Sep 17 00:00:00 2001
From: Matt Nikkel <matt.nikkel@rancherfederal.com>
Date: Fri, 23 Jul 2021 02:15:42 -0400
Subject: [PATCH 1/4] Add gitignore for common IDE files

---
 .gitignore | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..674e83f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+.DS_Store
+
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

From 049e639daf6c68c40438867dbe9ec67b94458abe Mon Sep 17 00:00:00 2001
From: Matt Nikkel <matt.nikkel@rancherfederal.com>
Date: Fri, 23 Jul 2021 02:17:29 -0400
Subject: [PATCH 2/4] Add fio-standalone Helm chart v0.1.0

---
 README.md                                     |  49 +++++++++++++-
 helm/assets/fio-standalone-0.1.0.tgz          | Bin 0 -> 1978 bytes
 helm/charts/fio-standalone/0.1.0/.helmignore  |  23 +++++++
 helm/charts/fio-standalone/0.1.0/Chart.yaml   |   5 ++
 .../fio-standalone/0.1.0/templates/NOTES.txt  |   7 ++
 .../0.1.0/templates/_helpers.tpl              |  62 ++++++++++++++++++
 .../fio-standalone/0.1.0/templates/job.yaml   |  33 ++++++++++
 .../templates/persistent-volume-claim.yaml    |  14 ++++
 helm/charts/fio-standalone/0.1.0/values.yaml  |  23 +++++++
 helm/index.yaml                               |  13 ++++
 10 files changed, 228 insertions(+), 1 deletion(-)
 create mode 100644 helm/assets/fio-standalone-0.1.0.tgz
 create mode 100644 helm/charts/fio-standalone/0.1.0/.helmignore
 create mode 100644 helm/charts/fio-standalone/0.1.0/Chart.yaml
 create mode 100644 helm/charts/fio-standalone/0.1.0/templates/NOTES.txt
 create mode 100644 helm/charts/fio-standalone/0.1.0/templates/_helpers.tpl
 create mode 100644 helm/charts/fio-standalone/0.1.0/templates/job.yaml
 create mode 100644 helm/charts/fio-standalone/0.1.0/templates/persistent-volume-claim.yaml
 create mode 100644 helm/charts/fio-standalone/0.1.0/values.yaml
 create mode 100644 helm/index.yaml

diff --git a/README.md b/README.md
index a81cce0..9f03b80 100644
--- a/README.md
+++ b/README.md
@@ -123,7 +123,54 @@ Note: a single benchmark for FIO will take about 6 minutes to finish.
 
 See [./deploy/fio.yaml](https://github.com/yasker/kbench/blob/main/deploy/fio.yaml) for available options.
 
-#### Deploy Comparison Benchmark in Kubernetes cluster
+### Deploy Single Volume Benchmark via Helm
+
+All defaults are the same as in the YAML installation method.
+Use the following steps to prep for installation:
+```bash
+# add helm repo
+helm repo add yasker-kbench https://raw.githubusercontent.com/yasker/kbench/main/helm
+
+# create namespace for needed resources
+kubectl create ns fio-benchmarks
+```
+
+To deploy with all defaults:
+```bash
+helm upgrade --install fio-benchmark-default \
+  yasker-kbench/fio-standalone \
+  -n fio-benchmarks \
+  --version v0.1.0
+```
+
+To customize the installation, create a values.yaml or use `--set` flags:
+```bash
+# --set flags
+helm upgrade --install fio-benchmark-a \
+  yasker-kbench/fio-standalone \
+  -n fio-benchmarks \
+  --version v0.1.0 \
+  --set pvc.size=11Gi \
+  --set benchmark.size=10G
+
+# values file
+cat <<EOF > fio-benchmark-b-values.yaml
+pvc:
+  storageClassName: "local-path"
+  size: "22Gi"
+  volumeMode: "Block"
+benchmark:
+  size: "20G"
+EOF
+
+helm upgrade --install fio-benchmark-b \
+  yasker-kbench/fio-standalone \
+  -n fio-benchmarks \
+  --version v0.1.0 \
+  -f ./fio-benchmark-b-values.yaml
+```
+
+### Deploy Comparison Benchmark in Kubernetes cluster
 
 1. Get a local copy of `fio-cmp.yaml`
     ```
diff --git a/helm/assets/fio-standalone-0.1.0.tgz b/helm/assets/fio-standalone-0.1.0.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..4c4a44c1afb029742aab3378199e128faabfba73
GIT binary patch
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diff --git a/helm/charts/fio-standalone/0.1.0/.helmignore b/helm/charts/fio-standalone/0.1.0/.helmignore
new file mode 100644
index 0000000..0e8a0eb
--- /dev/null
+++ b/helm/charts/fio-standalone/0.1.0/.helmignore
@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
diff --git a/helm/charts/fio-standalone/0.1.0/Chart.yaml b/helm/charts/fio-standalone/0.1.0/Chart.yaml
new file mode 100644
index 0000000..260209d
--- /dev/null
+++ b/helm/charts/fio-standalone/0.1.0/Chart.yaml
@@ -0,0 +1,5 @@
+apiVersion: v2
+name: fio-standalone
+description: Benchmark a single Kubernetes StorageClass
+type: application
+version: 0.1.0
diff --git a/helm/charts/fio-standalone/0.1.0/templates/NOTES.txt b/helm/charts/fio-standalone/0.1.0/templates/NOTES.txt
new file mode 100644
index 0000000..cfeba44
--- /dev/null
+++ b/helm/charts/fio-standalone/0.1.0/templates/NOTES.txt
@@ -0,0 +1,7 @@
+Benchmark against StorageClass {{ .Values.pvc.storageClassName }} is running!
+
+Check the status of the Job to see when the benchmark is complete:
+kubectl get jobs -n {{ .Release.Namespace }}
+
+View logs of the completed benchmark:
+kubectl logs -n {{ .Release.Namespace }} job/{{ include "fio-standalone.fullname" . }}
diff --git a/helm/charts/fio-standalone/0.1.0/templates/_helpers.tpl b/helm/charts/fio-standalone/0.1.0/templates/_helpers.tpl
new file mode 100644
index 0000000..a584a6e
--- /dev/null
+++ b/helm/charts/fio-standalone/0.1.0/templates/_helpers.tpl
@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "fio-standalone.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "fio-standalone.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "fio-standalone.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "fio-standalone.labels" -}}
+helm.sh/chart: {{ include "fio-standalone.chart" . }}
+{{ include "fio-standalone.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "fio-standalone.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "fio-standalone.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "fio-standalone.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "fio-standalone.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
diff --git a/helm/charts/fio-standalone/0.1.0/templates/job.yaml b/helm/charts/fio-standalone/0.1.0/templates/job.yaml
new file mode 100644
index 0000000..2b00c92
--- /dev/null
+++ b/helm/charts/fio-standalone/0.1.0/templates/job.yaml
@@ -0,0 +1,33 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ include "fio-standalone.fullname" . }}
+spec:
+  template:
+    metadata:
+      labels:
+        benchmark: fio
+    spec:
+      containers:
+        - name: benchmark
+          image: {{ .Values.benchmark.image.repository }}:{{ .Values.benchmark.image.tag }}
+          imagePullPolicy: {{ .Values.benchmark.image.pullPolicy }}
+          env:
+            {{- if .Values.benchmark.quickMode }}
+            - name: QUICK_MODE  # for debugging
+              value: "1"
+            {{- end }}
+            - name: FILE_NAME
+              value: "/volume/test"
+            - name: SIZE
+              value: "2G" # must be smaller or match the PVC size
+          volumeMounts:
+            - name: vol
+              mountPath: /volume/
+      imagePullSecrets: {{ .Values.benchmark.imagePullSecrets }}
+      restartPolicy: Never
+      volumes:
+        - name: vol
+          persistentVolumeClaim:
+            claimName: {{ include "fio-standalone.fullname" . }}
+  backoffLimit: 0
diff --git a/helm/charts/fio-standalone/0.1.0/templates/persistent-volume-claim.yaml b/helm/charts/fio-standalone/0.1.0/templates/persistent-volume-claim.yaml
new file mode 100644
index 0000000..9c63fb0
--- /dev/null
+++ b/helm/charts/fio-standalone/0.1.0/templates/persistent-volume-claim.yaml
@@ -0,0 +1,14 @@
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: {{ include "fio-standalone.fullname" . }}
+spec:
+  volumeMode: {{ .Values.pvc.volumeMode | quote }}
+  {{- if .Values.pvc.storageClassName }}
+  storageClassName: {{ .Values.pvc.storageClassName | quote }}
+  {{- end }}
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.pvc.size | quote }}
diff --git a/helm/charts/fio-standalone/0.1.0/values.yaml b/helm/charts/fio-standalone/0.1.0/values.yaml
new file mode 100644
index 0000000..3a77435
--- /dev/null
+++ b/helm/charts/fio-standalone/0.1.0/values.yaml
@@ -0,0 +1,23 @@
+pvc:
+  # specify storage class to test;
+  # "" will use the default StorageClass for the cluster
+  storageClassName: ""
+  # size of PVC; must be larger than benchmark.size
+  # NOTE the format: 3Gi, 5Gi, etc.
+  size: "3Gi"
+  # mode for PVC - "Filesystem" or "Block"
+  volumeMode: "Filesystem"
+
+benchmark:
+  # size of benchmark tests; must be smaller than pvc.size
+  # NOTE the format: 2G, 4G, etc.
+  size: "2G"
+  image:
+    repository: "yasker/benchmark"
+    pullPolicy: "IfNotPresent"
+    tag: "latest"
+  imagePullSecrets: []
+  quickMode: false
+
+nameOverride: ""
+fullnameOverride: ""
diff --git a/helm/index.yaml b/helm/index.yaml
new file mode 100644
index 0000000..c0534b5
--- /dev/null
+++ b/helm/index.yaml
@@ -0,0 +1,13 @@
+apiVersion: v1
+entries:
+  fio-standalone:
+  - apiVersion: v2
+    created: "2021-07-23T02:12:49.792704-04:00"
+    description: Benchmark a single Kubernetes StorageClass
+    digest: f847c4e45bb4187810313a48e0ed4884eb1130c65cda9c165725ddedd25673fc
+    name: fio-standalone
+    type: application
+    urls:
+    - assets/fio-standalone-0.1.0.tgz
+    version: 0.1.0
+generated: "2021-07-23T02:12:49.791916-04:00"

From ff549fe3f0748fa57b7f36cdfa45b9b606dd9f15 Mon Sep 17 00:00:00 2001
From: Matt Nikkel <matt.nikkel@hey.com>
Date: Tue, 3 Aug 2021 13:45:22 -0400
Subject: [PATCH 3/4] Rename repository in Helm templates, update defaults

---
 helm/assets/fio-standalone-0.1.0.tgz         | Bin 1978 -> 1979 bytes
 helm/charts/fio-standalone/0.1.0/values.yaml |  10 +++++-----
 helm/index.yaml                              |   6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/helm/assets/fio-standalone-0.1.0.tgz b/helm/assets/fio-standalone-0.1.0.tgz
index 4c4a44c1afb029742aab3378199e128faabfba73..b5ef701e744353676b889e3446dd72c7d36d603e 100644
GIT binary patch
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diff --git a/helm/charts/fio-standalone/0.1.0/values.yaml b/helm/charts/fio-standalone/0.1.0/values.yaml
index 3a77435..697adcd 100644
--- a/helm/charts/fio-standalone/0.1.0/values.yaml
+++ b/helm/charts/fio-standalone/0.1.0/values.yaml
@@ -3,17 +3,17 @@ pvc:
   # "" will use the default StorageClass for the cluster
   storageClassName: ""
   # size of PVC; must be larger than benchmark.size
-  # NOTE the format: 3Gi, 5Gi, etc.
-  size: "3Gi"
+  # NOTE the format: 33Gi, 45Gi, etc.
+  size: "33Gi"
   # mode for PVC - "Filesystem" or "Block"
   volumeMode: "Filesystem"
 
 benchmark:
   # size of benchmark tests; must be smaller than pvc.size
-  # NOTE the format: 2G, 4G, etc.
-  size: "2G"
+  # NOTE the format: 30G, 40G, etc.
+  size: "30G"
   image:
-    repository: "yasker/benchmark"
+    repository: "yasker/kbench"
     pullPolicy: "IfNotPresent"
     tag: "latest"
   imagePullSecrets: []
diff --git a/helm/index.yaml b/helm/index.yaml
index c0534b5..92539d4 100644
--- a/helm/index.yaml
+++ b/helm/index.yaml
@@ -2,12 +2,12 @@ apiVersion: v1
 entries:
   fio-standalone:
   - apiVersion: v2
-    created: "2021-07-23T02:12:49.792704-04:00"
+    created: "2021-08-03T13:45:12.148698-04:00"
     description: Benchmark a single Kubernetes StorageClass
-    digest: f847c4e45bb4187810313a48e0ed4884eb1130c65cda9c165725ddedd25673fc
+    digest: b6fd382c9f4706537a003af34bdc91f935fc3c485ee290dbf299124bb58965ec
     name: fio-standalone
     type: application
     urls:
     - assets/fio-standalone-0.1.0.tgz
     version: 0.1.0
-generated: "2021-07-23T02:12:49.791916-04:00"
+generated: "2021-08-03T13:45:12.148104-04:00"

From 952e769065a47fea52077307ccfb1446c4005e85 Mon Sep 17 00:00:00 2001
From: Matt Nikkel <matt.nikkel@hey.com>
Date: Tue, 3 Aug 2021 16:50:36 -0400
Subject: [PATCH 4/4] Rename Helm chart, calculate PVC size from benchmark size

---
 helm/assets/fio-0.1.0.tgz                     | Bin 0 -> 2124 bytes
 helm/assets/fio-standalone-0.1.0.tgz          | Bin 1979 -> 0 bytes
 helm/charts/fio-standalone/0.1.0/Chart.yaml   |   5 ---
 .../fio-standalone/0.1.0/templates/NOTES.txt  |   7 ----
 .../{fio-standalone => fio}/0.1.0/.helmignore |   0
 helm/charts/fio/0.1.0/Chart.yaml              |   6 +++
 helm/charts/fio/0.1.0/templates/NOTES.txt     |  11 +++++
 .../0.1.0/templates/_helpers.tpl              |  38 +++++++++++++-----
 .../0.1.0/templates/job.yaml                  |   6 +--
 .../templates/persistent-volume-claim.yaml    |   4 +-
 .../{fio-standalone => fio}/0.1.0/values.yaml |   9 ++---
 helm/index.yaml                               |  15 +++----
 12 files changed, 61 insertions(+), 40 deletions(-)
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 delete mode 100644 helm/assets/fio-standalone-0.1.0.tgz
 delete mode 100644 helm/charts/fio-standalone/0.1.0/Chart.yaml
 delete mode 100644 helm/charts/fio-standalone/0.1.0/templates/NOTES.txt
 rename helm/charts/{fio-standalone => fio}/0.1.0/.helmignore (100%)
 create mode 100644 helm/charts/fio/0.1.0/Chart.yaml
 create mode 100644 helm/charts/fio/0.1.0/templates/NOTES.txt
 rename helm/charts/{fio-standalone => fio}/0.1.0/templates/_helpers.tpl (58%)
 rename helm/charts/{fio-standalone => fio}/0.1.0/templates/job.yaml (82%)
 rename helm/charts/{fio-standalone => fio}/0.1.0/templates/persistent-volume-claim.yaml (75%)
 rename helm/charts/{fio-standalone => fio}/0.1.0/values.yaml (62%)

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diff --git a/helm/charts/fio-standalone/0.1.0/Chart.yaml b/helm/charts/fio-standalone/0.1.0/Chart.yaml
deleted file mode 100644
index 260209d..0000000
--- a/helm/charts/fio-standalone/0.1.0/Chart.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-apiVersion: v2
-name: fio-standalone
-description: Benchmark a single Kubernetes StorageClass
-type: application
-version: 0.1.0
diff --git a/helm/charts/fio-standalone/0.1.0/templates/NOTES.txt b/helm/charts/fio-standalone/0.1.0/templates/NOTES.txt
deleted file mode 100644
index cfeba44..0000000
--- a/helm/charts/fio-standalone/0.1.0/templates/NOTES.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-Benchmark against StorageClass {{ .Values.pvc.storageClassName }} is running!
-
-Check the status of the Job to see when the benchmark is complete:
-kubectl get jobs -n {{ .Release.Namespace }}
-
-View logs of the completed benchmark:
-kubectl logs -n {{ .Release.Namespace }} job/{{ include "fio-standalone.fullname" . }}
diff --git a/helm/charts/fio-standalone/0.1.0/.helmignore b/helm/charts/fio/0.1.0/.helmignore
similarity index 100%
rename from helm/charts/fio-standalone/0.1.0/.helmignore
rename to helm/charts/fio/0.1.0/.helmignore
diff --git a/helm/charts/fio/0.1.0/Chart.yaml b/helm/charts/fio/0.1.0/Chart.yaml
new file mode 100644
index 0000000..97da28e
--- /dev/null
+++ b/helm/charts/fio/0.1.0/Chart.yaml
@@ -0,0 +1,6 @@
+apiVersion: v2
+name: fio
+description: Benchmark Kubernetes StorageClass performance with FIO.
+type: application
+version: 0.1.0
+appVersion: v0.1.0
diff --git a/helm/charts/fio/0.1.0/templates/NOTES.txt b/helm/charts/fio/0.1.0/templates/NOTES.txt
new file mode 100644
index 0000000..2c00363
--- /dev/null
+++ b/helm/charts/fio/0.1.0/templates/NOTES.txt
@@ -0,0 +1,11 @@
+{{ if .Values.pvc.storageClassName -}}
+Benchmark against StorageClass {{ .Values.pvc.storageClassName | quote }} is running!
+{{- else -}}
+Benchmark against default StorageClass is running!
+{{- end }}
+
+Check the status of the Job to see when the benchmark is complete:
+kubectl get jobs -n {{ .Release.Namespace }}
+
+View logs of the completed benchmark:
+kubectl logs -n {{ .Release.Namespace }} job/{{ include "fio.fullname" . }}
diff --git a/helm/charts/fio-standalone/0.1.0/templates/_helpers.tpl b/helm/charts/fio/0.1.0/templates/_helpers.tpl
similarity index 58%
rename from helm/charts/fio-standalone/0.1.0/templates/_helpers.tpl
rename to helm/charts/fio/0.1.0/templates/_helpers.tpl
index a584a6e..08cd973 100644
--- a/helm/charts/fio-standalone/0.1.0/templates/_helpers.tpl
+++ b/helm/charts/fio/0.1.0/templates/_helpers.tpl
@@ -1,7 +1,7 @@
 {{/*
 Expand the name of the chart.
 */}}
-{{- define "fio-standalone.name" -}}
+{{- define "fio.name" -}}
 {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
 {{- end }}
 
@@ -10,7 +10,7 @@ Create a default fully qualified app name.
 We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
 If release name contains chart name it will be used as a full name.
 */}}
-{{- define "fio-standalone.fullname" -}}
+{{- define "fio.fullname" -}}
 {{- if .Values.fullnameOverride }}
 {{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
 {{- else }}
@@ -26,16 +26,16 @@ If release name contains chart name it will be used as a full name.
 {{/*
 Create chart name and version as used by the chart label.
 */}}
-{{- define "fio-standalone.chart" -}}
+{{- define "fio.chart" -}}
 {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
 {{- end }}
 
 {{/*
 Common labels
 */}}
-{{- define "fio-standalone.labels" -}}
-helm.sh/chart: {{ include "fio-standalone.chart" . }}
-{{ include "fio-standalone.selectorLabels" . }}
+{{- define "fio.labels" -}}
+helm.sh/chart: {{ include "fio.chart" . }}
+{{ include "fio.selectorLabels" . }}
 {{- if .Chart.AppVersion }}
 app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
 {{- end }}
@@ -45,18 +45,36 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{/*
 Selector labels
 */}}
-{{- define "fio-standalone.selectorLabels" -}}
-app.kubernetes.io/name: {{ include "fio-standalone.name" . }}
+{{- define "fio.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "fio.name" . }}
 app.kubernetes.io/instance: {{ .Release.Name }}
 {{- end }}
 
 {{/*
 Create the name of the service account to use
 */}}
-{{- define "fio-standalone.serviceAccountName" -}}
+{{- define "fio.serviceAccountName" -}}
 {{- if .Values.serviceAccount.create }}
-{{- default (include "fio-standalone.fullname" .) .Values.serviceAccount.name }}
+{{- default (include "fio.fullname" .) .Values.serviceAccount.name }}
 {{- else }}
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{/*
+Pre-calculate PVC size from benchmark size
+*/}}
+{{- define "fio.pvcSize" -}}
+{{- if not (kindIs "string" .Values.benchmark.size) }}
+{{- fail "Benchmark size must be of format <size>G, e.g. 10G, 25G, 1000G" -}}
+{{- end }}
+{{- if not (hasSuffix "G" .Values.benchmark.size) -}}
+{{- fail "Benchmark size must be of format <size>G, e.g. 10G, 25G, 1000G" -}}
+{{- end}}
+{{- $sizeElevenX := mul (trimSuffix "G" .Values.benchmark.size) 11 -}}
+{{- if (ne (mod $sizeElevenX 10) 0) -}}
+{{- add1 (div $sizeElevenX 10) }}Gi
+{{- else -}}
+{{- div $sizeElevenX 10 }}Gi
+{{- end }}
+{{- end }}
diff --git a/helm/charts/fio-standalone/0.1.0/templates/job.yaml b/helm/charts/fio/0.1.0/templates/job.yaml
similarity index 82%
rename from helm/charts/fio-standalone/0.1.0/templates/job.yaml
rename to helm/charts/fio/0.1.0/templates/job.yaml
index 2b00c92..402c593 100644
--- a/helm/charts/fio-standalone/0.1.0/templates/job.yaml
+++ b/helm/charts/fio/0.1.0/templates/job.yaml
@@ -1,7 +1,7 @@
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: {{ include "fio-standalone.fullname" . }}
+  name: {{ include "fio.fullname" . }}
 spec:
   template:
     metadata:
@@ -20,7 +20,7 @@ spec:
             - name: FILE_NAME
               value: "/volume/test"
             - name: SIZE
-              value: "2G" # must be smaller or match the PVC size
+              value: {{ .Values.benchmark.size | quote }}
           volumeMounts:
             - name: vol
               mountPath: /volume/
@@ -29,5 +29,5 @@ spec:
       volumes:
         - name: vol
           persistentVolumeClaim:
-            claimName: {{ include "fio-standalone.fullname" . }}
+            claimName: {{ include "fio.fullname" . }}
   backoffLimit: 0
diff --git a/helm/charts/fio-standalone/0.1.0/templates/persistent-volume-claim.yaml b/helm/charts/fio/0.1.0/templates/persistent-volume-claim.yaml
similarity index 75%
rename from helm/charts/fio-standalone/0.1.0/templates/persistent-volume-claim.yaml
rename to helm/charts/fio/0.1.0/templates/persistent-volume-claim.yaml
index 9c63fb0..8448edc 100644
--- a/helm/charts/fio-standalone/0.1.0/templates/persistent-volume-claim.yaml
+++ b/helm/charts/fio/0.1.0/templates/persistent-volume-claim.yaml
@@ -1,7 +1,7 @@
 kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
-  name: {{ include "fio-standalone.fullname" . }}
+  name: {{ include "fio.fullname" . }}
 spec:
   volumeMode: {{ .Values.pvc.volumeMode | quote }}
   {{- if .Values.pvc.storageClassName }}
@@ -11,4 +11,4 @@ spec:
     - ReadWriteOnce
   resources:
     requests:
-      storage: {{ .Values.pvc.size | quote }}
+      storage: {{ include "fio.pvcSize" . | quote }}
diff --git a/helm/charts/fio-standalone/0.1.0/values.yaml b/helm/charts/fio/0.1.0/values.yaml
similarity index 62%
rename from helm/charts/fio-standalone/0.1.0/values.yaml
rename to helm/charts/fio/0.1.0/values.yaml
index 697adcd..d062e36 100644
--- a/helm/charts/fio-standalone/0.1.0/values.yaml
+++ b/helm/charts/fio/0.1.0/values.yaml
@@ -2,20 +2,17 @@ pvc:
   # specify storage class to test;
   # "" will use the default StorageClass for the cluster
   storageClassName: ""
-  # size of PVC; must be larger than benchmark.size
-  # NOTE the format: 33Gi, 45Gi, etc.
-  size: "33Gi"
   # mode for PVC - "Filesystem" or "Block"
   volumeMode: "Filesystem"
 
 benchmark:
-  # size of benchmark tests; must be smaller than pvc.size
-  # NOTE the format: 30G, 40G, etc.
+  # size of benchmark
+  # NOTE required format: 10G, 30G, 40G, etc.
   size: "30G"
   image:
     repository: "yasker/kbench"
     pullPolicy: "IfNotPresent"
-    tag: "latest"
+    tag: "v0.1.0"
   imagePullSecrets: []
   quickMode: false
 
diff --git a/helm/index.yaml b/helm/index.yaml
index 92539d4..2caecc8 100644
--- a/helm/index.yaml
+++ b/helm/index.yaml
@@ -1,13 +1,14 @@
 apiVersion: v1
 entries:
-  fio-standalone:
+  fio:
   - apiVersion: v2
-    created: "2021-08-03T13:45:12.148698-04:00"
-    description: Benchmark a single Kubernetes StorageClass
-    digest: b6fd382c9f4706537a003af34bdc91f935fc3c485ee290dbf299124bb58965ec
-    name: fio-standalone
+    appVersion: v0.1.0
+    created: "2021-08-03T16:41:16.873451-04:00"
+    description: Benchmark Kubernetes StorageClass performance with FIO.
+    digest: 0c788837ccac5e80388a694bb51af34cecf5faa1e830d0c54fc2c02f78830212
+    name: fio
     type: application
     urls:
-    - assets/fio-standalone-0.1.0.tgz
+    - assets/fio-0.1.0.tgz
     version: 0.1.0
-generated: "2021-08-03T13:45:12.148104-04:00"
+generated: "2021-08-03T16:41:16.872569-04:00"