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fix(new cStor deployments): add OpenEBS base directory in new CStor deployments #1599

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merged 2 commits into from
Feb 1, 2020
Merged

fix(new cStor deployments): add OpenEBS base directory in new CStor deployments #1599

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857520e
fix(mountpath): fix CStor pools and CStor target pod mount paths
Jan 30, 2020
59916ad
This commit incorporates review comments
Jan 31, 2020
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13 changes: 12 additions & 1 deletion cmd/cspc-operator/app/storagepool_create.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (

apis "github.com/openebs/maya/pkg/apis/openebs.io/v1alpha1"
apiscsp "github.com/openebs/maya/pkg/cstor/poolinstance/v1alpha3"
env "github.com/openebs/maya/pkg/env/v1alpha1"
container "github.com/openebs/maya/pkg/kubernetes/container/v1alpha1"
deploy "github.com/openebs/maya/pkg/kubernetes/deployment/appsv1/v1alpha1"
pts "github.com/openebs/maya/pkg/kubernetes/podtemplatespec/v1alpha1"
Expand Down Expand Up @@ -63,6 +64,10 @@ var (
Name: "udev",
MountPath: "/run/udev",
},
corev1.VolumeMount{
Name: "storagepath",
MountPath: "/var/openebs/cstor-pool",
},
}
// hostpathType represents the hostpath type
hostpathTypeDirectory = corev1.HostPathDirectory
Expand Down Expand Up @@ -174,7 +179,7 @@ func (pc *PoolConfig) GetPoolDeploySpec(cspi *apis.CStorPoolInstance) (*appsv1.D
volume.NewBuilder().
WithName("tmp").
WithHostPathAndType(
getSparseDirPath()+"/shared-"+pc.AlgorithmConfig.CSPC.Name,
env.GetOpenebsBaseDirPath()+"/cstor-pool/"+pc.AlgorithmConfig.CSPC.Name,
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migration from SPC to CSPC need to be taken care due to this cc: @shubham14bajpai

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Sure @vishnuitta. Just one small question, are we going to ask users to come to the latest version of SPC before migration? If yes then upgrade will take care of this automatically.

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yes.. we should do migration from latest openebs version

&hostpathTypeDirectoryOrCreate,
),
volume.NewBuilder().
Expand All @@ -183,6 +188,12 @@ func (pc *PoolConfig) GetPoolDeploySpec(cspi *apis.CStorPoolInstance) (*appsv1.D
getSparseDirPath(),
&hostpathTypeDirectoryOrCreate,
),
volume.NewBuilder().
WithName("storagepath").
WithHostPathAndType(
env.GetOpenebsBaseDirPath()+"/cstor-pool/"+pc.AlgorithmConfig.CSPC.Name,
&hostpathTypeDirectoryOrCreate,
),
),
).
Build()
Expand Down
33 changes: 11 additions & 22 deletions cmd/cvc-operator/controller/cstorvolumedeployment.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import (
"os"

apis "github.com/openebs/maya/pkg/apis/openebs.io/v1alpha1"
env "github.com/openebs/maya/pkg/env/v1alpha1"
container "github.com/openebs/maya/pkg/kubernetes/container/v1alpha1"
deploy "github.com/openebs/maya/pkg/kubernetes/deployment/appsv1/v1alpha1"
pts "github.com/openebs/maya/pkg/kubernetes/podtemplatespec/v1alpha1"
Expand All @@ -45,10 +46,12 @@ var (
privileged = true

resyncInterval = "30"

// MountPropagationBidirectional means that the volume in a container will
// receive new mounts from the host or other containers, and its own mounts
// will be propagated from the container to the host or other containers.
mountPropagation = corev1.MountPropagationBidirectional
// mountPropagation = corev1.MountPropagationBidirectional

// hostpathType represents the hostpath type
hostpathType = corev1.HostPathDirectoryOrCreate

Expand All @@ -61,6 +64,10 @@ var (
Name: "conf",
MountPath: "/usr/local/etc/istgt",
},
corev1.VolumeMount{
Name: "storagepath",
MountPath: "/var/openebs/cstor-target",
},
}
// OpenEBSServiceAccount name of the openebs service accout with required
// permissions
Expand Down Expand Up @@ -193,14 +200,7 @@ func getMonitorMounts() []corev1.VolumeMount {
}

func getTargetMgmtMounts() []corev1.VolumeMount {
return append(
defaultMounts,
corev1.VolumeMount{
Name: "tmp",
MountPath: "/tmp",
MountPropagation: &mountPropagation,
},
)
return defaultMounts
}

// getDeployTemplateEnvs return the common env required for
Expand Down Expand Up @@ -267,17 +267,6 @@ func getVolumeMgmtImage() string {
return image
}

// getTargetDirPath returns cstor target volume directory for a
// given volume, retrieves the value of the environment variable named
// by the key.
func getTargetDirPath(pvName string) string {
dir, present := os.LookupEnv("OPENEBS_IO_CSTOR_TARGET_DIR")
if !present {
dir = "/var/openebs"
}
return dir + "/shared-" + pvName + "-target"
}

func getContainerPort(port int32) []corev1.ContainerPort {
return []corev1.ContainerPort{
corev1.ContainerPort{
Expand Down Expand Up @@ -389,9 +378,9 @@ func getOrCreateCStorTargetDeployment(
WithName("conf").
WithEmptyDir(&corev1.EmptyDirVolumeSource{}),
volume.NewBuilder().
WithName("tmp").
WithName("storagepath").
WithHostPathAndType(
getTargetDirPath(vol.Name),
env.GetOpenebsBaseDirPath()+"/cstor-target/"+vol.Name,
&hostpathType,
),
),
Expand Down
14 changes: 14 additions & 0 deletions pkg/env/v1alpha1/env.go
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Expand Up @@ -50,6 +50,10 @@ const (
// This environment variable is set via kubernetes downward API
Namespace ENVKey = "NAMESPACE"

// OpenEBSBaseDir is the environment variable to get base directory of
// openebs
OpenEBSBaseDir ENVKey = "OPENEBS_IO_BASE_DIR"

// OpenEBSMayaPodName is the environment variable to get maya-apiserver pod
// name
//
Expand Down Expand Up @@ -252,3 +256,13 @@ func lookupEnv(envKey string) (value string, present bool) {
value = strings.TrimSpace(value)
return
}

// GetOpenebsBaseDirPath returns the base path to store openebs related files on
// host machine
func GetOpenebsBaseDirPath() string {
baseDir, isPresent := lookupEnv(string(OpenEBSBaseDir))
if !isPresent {
return "/var/openebs"
}
return baseDir
}
2 changes: 2 additions & 0 deletions pkg/install/v1alpha1/cstor_volume.go
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Expand Up @@ -616,6 +616,8 @@ spec:
mountPath: /var/run
- name: conf
mountPath: /usr/local/etc/istgt
- name: storagepath
mountPath: /var/openebs/cstor-target
{{- end }}
- name: cstor-volume-mgmt
image: {{ .Config.VolumeControllerImage.value }}
Expand Down