Script Enhancements

README.md

@@ -27,6 +27,7 @@ tldr; Watch introduction & Demo Video [here](https://www.youtube.com/watch?v=mae
 ### CRC / OC Binaries
 - Download CRC and OC binaries from [cloud.redhat.com]((https://cloud.redhat.com/openshift/create/local)
 - Create CRC directlry `mkdir ~/.crc`
+- configure crcssh `./configure_crcssh.sh`
 - Also get CRC pull secret from [cloud.redhat.com]((https://cloud.redhat.com/openshift/create/local) and save it as `~/.crc/pull-secret.txt`
 ## Step -1 ::  Deploy CRC - Linux
 ### Watch Demo Video [here](https://www.youtube.com/watch?v=mae0tiLkQag)
@@ -54,6 +55,7 @@ crc console --credentials  > crc-creds.txt
 ### Prerequisites
 - SSH into the host machine running CRC VM
 - Create a few raw devices that `ODF-Nano` will use
+- You can also run `./generate_volumes.sh`
 ```
 ## Don't worry this is thin provisioned
 sudo -S qemu-img create -f raw ~/.crc/vdb 100G
@@ -200,6 +202,11 @@ oc get sc
 ```
 - You now have File/Block/Object Persistent Storage Classes from ODF. Deploy and Test your app locally, like you do in production (OCP & ODF)
 
+- Optional: Define default storage class
+```
+ oc patch storageclass ocs-storagecluster-ceph-rbd  -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}
+```
+
 ![ODF Storage Classes](assets/odf-sc.png)
 # Miscelleanous 
 

configure_crcssh.sh

@@ -0,0 +1,8 @@
+#!/bin/bash 
+
+if grep -q "crcssh=" ~/.bash_aliases 
+then 
+   echo "crcssh already exists in ~/.bash_aliases "
+else
+   echo "alias crcssh='ssh -i ~/.crc/machines/crc/id_ecdsa -o StrictHostKeyChecking=no core@`crc ip`'" >>  ~/.bash_aliases 
+fi

deploy_odf.sh

@@ -6,6 +6,7 @@
 #!/bin/bash
 set +x
 echo "Setting up environment for ODF - this will take a few minutes"
+VOLUME_COUNT="$(ls ~/.crc/vd* | wc -l)"
 
 oc label "$(oc get no -o name)" cluster.ocs.openshift.io/openshift-storage='' --overwrite >/dev/null
 
@@ -82,44 +83,32 @@ apiVersion: storage.k8s.io/v1
 metadata:
   name: localblock
 provisioner: kubernetes.io/no-provisioner
+EOF
+
+
+for vdisk in ~/.crc/vd*
+do
+  virtual_disk="${vdisk##*/}"
+  virtual_drive="${virtual_disk%.*}"
+
+  echo "Create local-pv-${virtual_drive} for ODF-Nano"
+  disk_size=$(ls -lath ~/.crc/${virtual_drive}  | grep -oE [0-9]{3}G)
+cat <<EOF | oc create -f - >/dev/null
 ---
 apiVersion: v1
 kind: PersistentVolume
 metadata:
-  name: local-pv-vdb
-spec:
-  capacity:
-    storage: 100Gi
-  volumeMode: Block
-  accessModes:
-  - ReadWriteOnce
-  persistentVolumeReclaimPolicy: Delete
-  storageClassName: localblock
-  local:
-    path: /dev/vdb
-  nodeAffinity:
-    required:
-      nodeSelectorTerms:
-      - matchExpressions:
-        - key: node.openshift.io/os_id
-          operator: In
-          values:
-          - rhcos
----
-apiVersion: v1
-kind: PersistentVolume
-metadata:
-  name: local-pv-vdc
+  name: local-pv-${virtual_drive} 
 spec:
   capacity:
-    storage: 100Gi
+    storage: ${disk_size}i
   volumeMode: Block
   accessModes:
   - ReadWriteOnce
   persistentVolumeReclaimPolicy: Delete
   storageClassName: localblock
   local:
-    path: /dev/vdc
+    path: /dev/${virtual_drive} 
   nodeAffinity:
     required:
       nodeSelectorTerms:
@@ -129,6 +118,8 @@ spec:
           values:
           - rhcos
 EOF
+sleep 2s
+done
 
 seq 20 30 | xargs -n1 -P0 -I {} oc patch pv/pv00{} -p '{"metadata":{"annotations":{"volume.beta.kubernetes.io/storage-class": "localfile"}}}' >/dev/null
 
@@ -153,7 +144,7 @@ data:
     mon_osd_nearfull_ratio = .75
     mon_max_pg_per_osd = 600
     osd_pool_default_min_size = 1
-    osd_pool_default_size = 2
+    osd_pool_default_size = ${VOLUME_COUNT}
     [osd]
     osd_memory_target_cgroup_limit_ratio = 0.5
 kind: ConfigMap
@@ -221,7 +212,7 @@ spec:
   manageNodes: false
   monDataDirHostPath: /var/lib/rook
   storageDeviceSets:
-  - count: 2
+  - count: ${VOLUME_COUNT}
     dataPVCTemplate:
       spec:
         accessModes:
@@ -336,7 +327,7 @@ spec:
     failureDomain: osd
     replicated:
       requireSafeReplicaSize: false
-      size: 2
+      size: ${VOLUME_COUNT}
   metadataPool:
     compressionMode: ""
     crushRoot: ""
@@ -349,7 +340,7 @@ spec:
     failureDomain: osd
     replicated:
       requireSafeReplicaSize: false
-      size: 2
+      size: ${VOLUME_COUNT}
   metadataServer:
     activeCount: 1
     activeStandby: false
@@ -444,7 +435,7 @@ spec:
     failureDomain: osd
     replicated:
       requireSafeReplicaSize: false
-      size: 2
+      size: ${VOLUME_COUNT}
   gateway:
     allNodes: false
     instances: 1
@@ -462,7 +453,7 @@ spec:
       dataChunks: 0
     failureDomain: osd
     replicated:
-      size: 2
+      size: ${VOLUME_COUNT}
       requireSafeReplicaSize: false
 EOF
 
@@ -506,3 +497,4 @@ spec:
 EOF
 
 echo "ODF is installed now"
+

generate_volumes.sh

@@ -0,0 +1,114 @@
+#!/bin/bash
+shopt -s expand_aliases
+source ~/.bash_aliases
+
+read -p "Enter volume count Example: 2 > " VOLUME_COUNT
+read -p "Enter volume size Example: 100 > " VOLUME_SIZE
+
+if [ ${VOLUME_COUNT} -gt 5 ];
+then 
+  echo "Volume count of ${VOLUME_COUNT} is too high"
+  echo "A max of five volumes may be added."
+  exit 1
+fi
+
+
+if [ ${VOLUME_COUNT} -lt 2 ];
+then 
+  echo "setting default volume count to 2"
+  VOLUME_COUNT=2
+fi
+
+if [ ${VOLUME_SIZE} -lt 100 ]
+then 
+  echo "setting default volume size to 100"
+  VOLUME_SIZE=100
+fi
+
+virtual_drive[1]="vdb"
+virtual_drive[2]="vdc"
+virtual_drive[3]="vdd"
+virtual_drive[4]="vde"
+virtual_drive[5]="vdf"
+
+for  (( i = 1; i <= $VOLUME_COUNT; i++ ))
+do
+  echo "Create ${virtual_drive[$i]} for ODF-Nano"
+  sudo -S qemu-img create -f raw ~/.crc/${virtual_drive[$i]} ${VOLUME_SIZE}G
+done
+
+CRC_STATUS=$(crc status | grep "CRC VM:" | awk '{print $3}')
+if [ $CRC_STATUS == "Running" ];
+then 
+  echo "crc stop"
+  crc stop 
+fi 
+sudo virsh list --all
+sudo virsh dumpxml crc > ~/crc.xml
+
+BUS=$(grep -o '0x03' ~/crc.xml| egrep -o '.{1}$')
+
+for  (( i = 1; i <= $VOLUME_COUNT; i++ ))
+do
+    echo "Checking that ${virtual_drive[$i]} exists on crc"
+    if grep '/home/admin/.crc/'${virtual_drive[$i]}''  ~/crc.xml  > /dev/null
+    then
+    echo "$HOME/.crc/${virtual_drive[$i]} already exists in ~/crc.xml"
+    exit 1
+    fi
+done 
+
+if [ ${BUS} -ne 3 ];
+then 
+ echo "Incorrect address bus for drive"
+ exit 1
+fi 
+
+if [ -f ~/crc-patch.xml ];
+then 
+  rm ~/crc-patch.xml
+  touch ~/crc-patch.xml
+else
+  touch ~/crc-patch.xml
+fi 
+
+echo '    </disk>' >  ~/crc-patch.xml 
+for  (( i = 1; i <= $VOLUME_COUNT; i++ ))
+do
+  echo ${virtual_drive[$i]}
+  address_bus=$(($BUS + $i + 1)) 
+
+sudo tee -a ~/crc-patch.xml > /dev/null <<EOT
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='raw' cache='none'/>
+      <source file='$HOME/.crc/${virtual_drive[$i]}' index='$i'/>
+      <backingStore/>
+      <target dev='${virtual_drive[$i]}' bus='virtio'/>
+      <alias name='virtio-disk$i'/>
+      <address type='pci' domain='0x0000' bus='0x0${address_bus}' slot='0x00' function='0x0'/>
+    </disk>
+EOT
+done
+
+cp ~/crc.xml ~/crc-backup.xml
+
+line=$(grep -n '</disk>' ~/crc.xml | cut -d ":" -f 1)
+line=$(grep -n '</disk>' ~/crc.xml | cut -d ":" -f 1)
+{ head -n $(($line-1)) ~/crc.xml; cat ~/crc-patch.xml; tail -n +$(($line+1)) ~/crc.xml; } > ~/crc-mod.xml
+cat  ~/crc-mod.xml
+sed -i "s|~|$HOME|g" ~/crc-mod.xml
+sudo virsh define ~/crc-mod.xml || exit $?
+
+read -p "Would you like to start CRC? (y/n)" -n 1 -r
+echo    
+if [[ $REPLY =~ ^[Yy]$ ]]
+then
+    crc start
+    echo "Block creation validation"
+    crcssh lsblk
+
+    echo "To restore configutation run the following."
+    echo "$ sudo virsh define ~/crc-backup.xml"
+    echo "$ crc start "
+fi
+

reconfigure_sizing.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+shopt -s expand_aliases
+source ~/.bash_aliases
+
+function configure_crc(){
+    crc config set consent-telemetry no
+    crc config set enable-cluster-monitoring true 
+    crc config set cpus ${1} 
+    crc config set memory ${2} 
+    crc config view
+}
+
+read -p "Reconfigure CPUs Example: 15 > " CPU_COUNT
+read -p "Reconfigure Memory size in MB Example: 60000 > " VOLUME_SIZE
+
+
+
+CRC_STATUS=$(crc status | grep "CRC VM:" | awk '{print $3}')
+
+if [ ${CRC_STATUS} == "Running" ];
+then 
+    crc stop 
+    configure_crc ${CPU_COUNT} ${VOLUME_SIZE} 
+else 
+    configure_crc ${CPU_COUNT} ${VOLUME_SIZE} 
+fi 
+
+
+read -p "Would you like to start CRC? (y/n)" -n 1 -r
+echo    
+if [[ $REPLY =~ ^[Yy]$ ]]
+then
+    crc start
+    echo "Block creation validation"
+    crcssh lsblk
+
+    echo "To restore configutation run the following."
+    echo "$ sudo virsh define ~/crc-backup.xml"
+    echo "$ crc start "
+fi
+
+

uninstall_odf.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
+shopt -s expand_aliases
+source ~/.bash_aliases
 
 oc annotate storagecluster ocs-storagecluster uninstall.ocs.openshift.io/cleanup-policy="delete" --overwrite
 oc annotate storagecluster ocs-storagecluster uninstall.ocs.openshift.io/mode="forced" --overwrite
@@ -31,9 +33,17 @@ oc project default
 for i in $(oc get node -l cluster.ocs.openshift.io/openshift-storage= -o jsonpath='{ .items[*].metadata.name }'); do oc debug node/${i} -- chroot /host rm -rfv /mnt/local-storage/${SC}/; done
 oc delete localvolumediscovery.local.storage.openshift.io/auto-discover-devices -n openshift-local-storage
 
-alias crcssh='ssh -i ~/.crc/machines/crc/id_ecdsa core@"$(crc ip)"'
-for i in vdb vdc ; do crcssh sudo  wipefs -af /dev/$i ; done
-for i in vdb vdc ; do crcssh sudo sgdisk --zap-all /dev/$i ; done
-for i in vdb vdc ; do crcssh sudo dd  if=/dev/zero of=/dev/$i bs=1M count=100 oflag=direct,dsync  ; done
-for i in vdb vdc ; do crcssh sudo blkdiscard /dev/$i ; done
-
+for vdisk in ~/.crc/vd*
+do
+    virtual_disk="${vdisk##*/}"
+    virtual_drive="${virtual_disk%.*}"
+	echo "Wiping $virtual_drive"
+    echo "*********************"
+    crcssh sudo  wipefs -af /dev/$virtual_drive ;
+    sleep 2s
+    crcssh sudo sgdisk --zap-all /dev/$virtual_drive
+    sleep 2s
+    crcssh sudo dd  if=/dev/zero of=/dev/$virtual_drive bs=1M count=100 oflag=direct,dsync  ;
+    sleep 2s
+    crcssh sudo blkdiscard /dev/$virtual_drive ; 
+done