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Additional SSH service changes #2881

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merged 3 commits into from
Oct 28, 2021
Merged

Additional SSH service changes #2881

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fda1acd
refactor: deprecate the `lagoon/service` label selector because lagoo…
shreddedbacon Oct 20, 2021
3d5f7e3
refactor: include backwards compatible check for the target cluster
shreddedbacon Oct 20, 2021
1c2ff88
refactor: add kubectl support, but retain oc for openshift
shreddedbacon Oct 20, 2021
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7 changes: 6 additions & 1 deletion services/ssh/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,8 @@ ENV TMPDIR=/tmp \
ENV LAGOON=ssh \
OC_VERSION=v3.11.0 \
OC_HASH=0cbc58b \
OC_SHA256=4b0f07428ba854174c58d2e38287e5402964c9a9355f6c359d1242efd0990da3
OC_SHA256=4b0f07428ba854174c58d2e38287e5402964c9a9355f6c359d1242efd0990da3 \
KUBECTL_VERSION=v1.20.0

COPY services/ssh/libnss-mysql-1.5.tar.gz /tmp/libnss-mysql-1.5.tar.gz

Expand All @@ -51,6 +52,10 @@ RUN mkdir -p /openshift-origin-client-tools && \
tar -xzf /tmp/openshift-origin-client-tools.tar -C /tmp/openshift-origin-client-tools --strip-components=1 && \
install /tmp/openshift-origin-client-tools/oc /usr/bin/oc && rm -rf /tmp/openshift-origin-client-tools && rm -rf /tmp/openshift-origin-client-tools.tar

RUN curl -Lo kubectl "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" && \
chmod +x kubectl && \
mv kubectl /usr/bin/kubectl

RUN curl -L https://github.com/krallin/tini/releases/download/v0.18.0/tini -o /sbin/tini && chmod a+x /sbin/tini

# Reproduce behavior of Alpine: Run Bash as sh
Expand Down
210 changes: 82 additions & 128 deletions services/ssh/home/rsh.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,8 @@ shift 3
# get the value from an envvar override (can be added to the ssh deployment)
# default to false so we don't hold up the ssh for a long time
WAIT_TO_UNIDLE_SERVICES=${WAIT_TO_UNIDLE_SERVICES:-false}
# set a timeout of 600 for waiting for a pod to start (the waits are 1 second interval, so 10 minutes timeout)
SSH_CHECK_TIMEOUT=${SSH_CHECK_TIMEOUT:-600}
# set a timeout of 120 for waiting for a pod to start (the waits are 5 second interval, so 10 minutes timeout)
SSH_CHECK_TIMEOUT=${SSH_CHECK_TIMEOUT:-120}

# generate a random uuid for this request to help track in logs
# also the uuid will be given to users in any errors so they can provide it to help with tracking too if required
Expand Down Expand Up @@ -69,6 +69,13 @@ fi
ADMIN_BEARER="Authorization: bearer $API_ADMIN_TOKEN"
ADMIN_GRAPHQL="query getEnvironmentByOpenshiftProjectName {
environmentByOpenshiftProjectName(openshiftProjectName: \"$PROJECT\") {
project {
openshift {
consoleUrl
token
name
}
}
openshift {
consoleUrl
token
Expand All @@ -80,9 +87,15 @@ ADMIN_GRAPHQL="query getEnvironmentByOpenshiftProjectName {
ADMIN_QUERY=$(echo $ADMIN_GRAPHQL | sed 's/"/\\"/g' | sed 's/\\n/\\\\n/g' | awk -F'\n' '{if(NR == 1) {printf $0} else {printf "\\n"$0}}')
ADMIN_ENVIRONMENT=$(curl -s -XPOST -H 'Content-Type: application/json' -H "$ADMIN_BEARER" "${GRAPHQL_ENDPOINT:-api:3000/graphql}" -d "{\"query\": \"$ADMIN_QUERY\"}")

OPENSHIFT_CONSOLE=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.openshift.consoleUrl')
OPENSHIFT_TOKEN=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.openshift.token')
OPENSHIFT_NAME=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.openshift.name')
CLUSTER_CONSOLE=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.openshift.consoleUrl')
CLUSTER_TOKEN=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.openshift.token')
CLUSTER_NAME=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.openshift.name')
# if no cluster is found at the environment level (introduced in lagoon2.1) then grab what is at the project level
if [[ -z ${CLUSTER_NAME} ]]; then
CLUSTER_CONSOLE=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.project.openshift.consoleUrl')
CLUSTER_TOKEN=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.project.openshift.token')
CLUSTER_NAME=$(echo $ADMIN_ENVIRONMENT | jq --raw-output '.data.environmentByOpenshiftProjectName.project.openshift.name')
fi

##
## Check if we have a service and container given, if yes use them.
Expand All @@ -100,53 +113,40 @@ else
SERVICE=cli
fi

echo "${UUID}: Incoming Remote Shell Connection: project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}' container='${CONTAINER}' command='$*'" >> /proc/1/fd/1
echo "${UUID}: Incoming Remote Shell Connection: project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}' container='${CONTAINER}' command='$*'" >> /proc/1/fd/1

# This only happens on local development with minishift.
# Login as developer:deveeloper and get the token
if [[ $OPENSHIFT_TOKEN == "null" ]]; then
KUBECONFIG="/tmp/kube" /usr/bin/oc --insecure-skip-tls-verify login -p developer -u developer ${OPENSHIFT_CONSOLE} > /dev/null
OPENSHIFT_TOKEN=$(KUBECONFIG="/tmp/kube" oc --insecure-skip-tls-verify whoami -t)
if [[ $CLUSTER_TOKEN == "null" ]]; then
KUBECONFIG="/tmp/kube" /usr/bin/oc --insecure-skip-tls-verify login -p developer -u developer ${CLUSTER_CONSOLE} > /dev/null
CLUSTER_TOKEN=$(KUBECONFIG="/tmp/kube" oc --insecure-skip-tls-verify whoami -t)
fi

OC="/usr/bin/oc --insecure-skip-tls-verify -n ${PROJECT} --token=${OPENSHIFT_TOKEN} --server=${OPENSHIFT_CONSOLE} "

# If there is a deploymentconfig for the given service
if [[ $($OC get deploymentconfigs -l service=${SERVICE} 2> /dev/null) ]]; then
DEPLOYMENTCONFIG=$($OC get deploymentconfigs -l service=${SERVICE} -o name)
# If the deploymentconfig is scaled to 0, scale to 1
if [[ $($OC get ${DEPLOYMENTCONFIG} -o go-template --template='{{.status.replicas}}') == "0" ]]; then
echo "${UUID}: Attempting to scale deploymentconfig='${DEPLOYMENTCONFIG}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
$OC scale --replicas=1 ${DEPLOYMENTCONFIG} >/dev/null 2>&1
OC="/usr/bin/oc --insecure-skip-tls-verify -n ${PROJECT} --token=${CLUSTER_TOKEN} --server=${CLUSTER_CONSOLE} "
KUBECTL="/usr/bin/kubectl --insecure-skip-tls-verify -n ${PROJECT} --token=${CLUSTER_TOKEN} --server=${CLUSTER_CONSOLE} "

# Wait until the scaling is done
while [[ ! $($OC get ${DEPLOYMENTCONFIG} -o go-template --template='{{.status.readyReplicas}}') == "1" ]]
do
sleep 1
done
fi
echo "${UUID}: Deployment is running deploymentconfig='${DEPLOYMENTCONFIG}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
fi
IS_KUBERNETES=false

# If there is a deployment for the given service searching for lagoon.sh labels
if [[ $($OC get deployment -l "lagoon.sh/service=${SERVICE}" 2> /dev/null) ]]; then
if [[ $($KUBECTL get deployment -l "lagoon.sh/service=${SERVICE}" 2> /dev/null) ]]; then
IS_KUBERNETES=true
# get any other deployments that may have been idled by the idler and unidle them if required
# this only needs to be done for kubernetes
# we do this first to give the services a bit of time to unidle before starting the one that was requested
DEPLOYMENTS=$($OC get deployments -l "idling.amazee.io/watch=true" -o name)
DEPLOYMENTS=$($KUBECTL get deployments -l "idling.amazee.io/watch=true" -o name)
if [ ! -z "${DEPLOYMENTS}" ]; then
echo "${UUID}: Environment is idled attempting to scale up for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
echo "${UUID}: Environment is idled attempting to scale up for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
# loop over the deployments and unidle them
for DEP in ${DEPLOYMENTS}
do
# if the deployment is idled, unidle it :)
DEP_JSON=$($OC get ${DEP} -o json)
DEP_JSON=$($KUBECTL get ${DEP} -o json)
if [ $(echo "$DEP_JSON" | jq -r '.status.replicas // 0') == "0" ]; then
REPLICAS=$(echo "$DEP_JSON" | jq -r '.metadata.annotations."idling.amazee.io/unidle-replicas" // 1')
if [ ! -z "$REPLICAS" ]; then
REPLICAS=1
fi
echo "${UUID}: Attempting to scale deployment='${DEP}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
echo "${UUID}: Attempting to scale deployment='${DEP}' for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
$OC scale --replicas=${REPLICAS} ${DEP} >/dev/null 2>&1
fi
done
Expand All @@ -158,132 +158,72 @@ if [[ $($OC get deployment -l "lagoon.sh/service=${SERVICE}" 2> /dev/null) ]]; t
# WAIT_TO_UNIDLE_SERVICES will default to false so that it just scales the deployments
# and won't wait for them to be ready, but if set to true, it will wait for `readyReplicas` to be 1
if [[ "$WAIT_TO_UNIDLE_SERVICES" =~ [Tt][Rr][Uu][Ee] ]]; then
echo "${UUID}: Environment is idled waiting for scale up for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
echo "${UUID}: Environment is idled waiting for scale up for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
SSH_CHECK_COUNTER=0
until [[ $($OC get ${DEP} -o json | jq -r '.status.readyReplicas // 0') -ne "0" ]]
until [[ $($KUBECTL get ${DEP} -o json | jq -r '.status.readyReplicas // 0') -ne "0" ]]
do
if [ $SSH_CHECK_COUNTER -lt $SSH_CHECK_TIMEOUT ]; then
let SSH_CHECK_COUNTER=SSH_CHECK_COUNTER+1
sleep 1
sleep 5
else
echo "${UUID}: Deployment '${DEP}' took too long to start pods"
exit 1
fi
done
echo "${UUID}: Environment scaled up for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
echo "${UUID}: Environment scaled up for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
fi
done
fi
# then actually unidle the service that was requested and wait for it to be ready if it wasn't already captured above
# doing this means if the service hasn't been idled with the `idling.amazee.io/watch=true` label
# we can still establish a connection
DEPLOYMENT=$($OC get deployment -l "lagoon.sh/service=${SERVICE}" -o name)
DEPLOYMENT=$($KUBECTL get deployment -l "lagoon.sh/service=${SERVICE}" -o name)
# If the deployment is scaled to 0, scale to 1
# .status.replicas doesn't exist on a scaled to 0 deployment in k8s so assume it is 0 if nothing is returned
if [[ $($OC get ${DEPLOYMENT} -o json | jq -r '.status.replicas // 0') == "0" ]]; then
echo "${UUID}: Attempting to scale deployment='${DEPLOYMENT}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
if [[ $($KUBECTL get ${DEPLOYMENT} -o json | jq -r '.status.replicas // 0') == "0" ]]; then
echo "${UUID}: Attempting to scale deployment='${DEPLOYMENT}' for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
$OC scale --replicas=1 ${DEPLOYMENT} >/dev/null 2>&1
fi
# Wait until the scaling is done
SSH_CHECK_COUNTER=0
until [[ $($OC get ${DEPLOYMENT} -o json | jq -r '.status.readyReplicas // 0') -ne "0" ]]
until [[ $($KUBECTL get ${DEPLOYMENT} -o json | jq -r '.status.readyReplicas // 0') -ne "0" ]]
do
if [ $SSH_CHECK_COUNTER -lt $SSH_CHECK_TIMEOUT ]; then
let SSH_CHECK_COUNTER=SSH_CHECK_COUNTER+1
sleep 1
sleep 5
else
echo "${UUID}: Pod for ${SERVICE} took too long to start"
exit 1
fi
done
echo "${UUID}: Deployment is running deployment='${DEPLOYMENT}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
echo "${UUID}: Deployment is running deployment='${DEPLOYMENT}' for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
fi

# If there is a deployment for the given service search for lagoon labels
# @DEPRECATED: Remove with Lagoon 2.0.0
if [[ $($OC get deployment -l lagoon/service=${SERVICE} 2> /dev/null) ]]; then
# get any other deployments that may have been idled by the idler and unidle them if required
# this only needs to be done for kubernetes
# we do this first to give the services a bit of time to unidle before starting the one that was requested
DEPLOYMENTS=$($OC get deployments -l "idling.amazee.io/watch=true" -o name)
if [ ! -z "${DEPLOYMENTS}" ]; then
echo "${UUID}: Environment is idled waiting for scale up for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
# loop over the deployments and unidle them
for DEP in ${DEPLOYMENTS}
do
# if the deployment is idled, unidle it :)
DEP_JSON=$($OC get ${DEP} -o json)
if [ $(echo "$DEP_JSON" | jq -r '.status.replicas // 0') == "0" ]; then
REPLICAS=$(echo "$DEP_JSON" | jq -r '.metadata.annotations."idling.amazee.io/unidle-replicas" // 1')
if [ ! -z "$REPLICAS" ]; then
REPLICAS=1
fi
echo "${UUID}: Attempting to scale deployment='${DEP}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
$OC scale --replicas=${REPLICAS} ${DEP} >/dev/null 2>&1
fi
done
# then if we have to wait for them to start, do that here
for DEP in ${DEPLOYMENTS}
do
# for unidling an entire environment and waiting for the number of `readyReplicas`
# to be 1 for each deployment, could add considerable delays for the ssh connection to establish.
# WAIT_TO_UNIDLE_SERVICES will default to false so that it just scales the deployments
# and won't wait for them to be ready, but if set to true, it will wait for `readyReplicas` to be 1
if [[ "$WAIT_TO_UNIDLE_SERVICES" =~ [Tt][Rr][Uu][Ee] ]]; then
echo "${UUID}: Environment is idled waiting for scale up for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
SSH_CHECK_COUNTER=0
until [[ $($OC get ${DEP} -o json | jq -r '.status.readyReplicas // 0') -ne "0" ]]
do
if [ $SSH_CHECK_COUNTER -lt $SSH_CHECK_TIMEOUT ]; then
let SSH_CHECK_COUNTER=SSH_CHECK_COUNTER+1
sleep 1
else
echo "${UUID}: Deployment '${DEP}' took too long to start pods"
exit 1
fi
done
echo "${UUID}: Environment scaled up for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
fi
done
fi
# then actually unidle the service that was requested and wait for it to be ready if it wasn't already captured above
# doing this means if the service hasn't been idled with the `idling.amazee.io/watch=true` label
# we can still establish a connection
DEPLOYMENT=$($OC get deployment -l lagoon/service=${SERVICE} -o name)
# If the deployment is scaled to 0, scale to 1
# .status.replicas doesn't exist on a scaled to 0 deployment in k8s so assume it is 0 if nothing is returned
if [[ $($OC get ${DEPLOYMENT} -o json | jq -r '.status.replicas // 0') == "0" ]]; then
echo "${UUID}: Attempting to scale up deployment='${DEPLOYMENT}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
$OC scale --replicas=1 ${DEPLOYMENT} >/dev/null 2>&1
fi
# Wait until the scaling is done
SSH_CHECK_COUNTER=0
until [[ $($OC get ${DEPLOYMENT} -o json | jq -r '.status.readyReplicas // 0') -ne "0" ]]
do
if [ $SSH_CHECK_COUNTER -lt $SSH_CHECK_TIMEOUT ]; then
let SSH_CHECK_COUNTER=SSH_CHECK_COUNTER+1
sleep 1
else
echo "${UUID}: Pod for ${SERVICE} took too long to start"
exit 1
# If there is a deploymentconfig for the given service, then it isn't kubernetes, it is openshift.
if [[ "${IS_KUBERNETES}" == "false" ]]; then
if [[ $($OC get deploymentconfigs -l service=${SERVICE} 2> /dev/null) ]]; then
DEPLOYMENTCONFIG=$($OC get deploymentconfigs -l service=${SERVICE} -o name)
# If the deploymentconfig is scaled to 0, scale to 1
if [[ $($OC get ${DEPLOYMENTCONFIG} -o go-template --template='{{.status.replicas}}') == "0" ]]; then
echo "${UUID}: Attempting to scale deploymentconfig='${DEPLOYMENTCONFIG}' for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
$OC scale --replicas=1 ${DEPLOYMENTCONFIG} >/dev/null 2>&1

# Wait until the scaling is done
while [[ ! $($OC get ${DEPLOYMENTCONFIG} -o go-template --template='{{.status.readyReplicas}}') == "1" ]]
do
sleep 1
done
fi
done
echo "${UUID}: Deployment is running deployment='${DEPLOYMENT}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
echo "${UUID}: Deployment is running deploymentconfig='${DEPLOYMENTCONFIG}' for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
fi
fi


echo "${UUID}: Getting pod name for exec for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
POD=$($OC get pods -l service=${SERVICE} -o json | jq -r '[.items[] | select(.metadata.deletionTimestamp == null) | select(.status.phase == "Running")] | first | .metadata.name // empty')

# Check for newer Helm chart "lagoon.sh" labels
if [[ ! $POD ]]; then
POD=$($OC get pods -l "lagoon.sh/service=${SERVICE}" -o json | jq -r '[.items[] | select(.metadata.deletionTimestamp == null) | select(.status.phase == "Running")] | first | .metadata.name // empty')
fi

# Check for deprecated Helm chart "lagoon" labels
# @DEPRECATED: Remove with Lagoon 2.0.0
if [[ ! $POD ]]; then
POD=$($OC get pods -l lagoon/service=${SERVICE} -o json | jq -r '[.items[] | select(.metadata.deletionTimestamp == null) | select(.status.phase == "Running")] | first | .metadata.name // empty')
echo "${UUID}: Getting pod name for exec for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
if [[ "${IS_KUBERNETES}" == "true" ]]; then
POD=$($KUBECTL get pods -l "lagoon.sh/service=${SERVICE}" -o json | jq -r '[.items[] | select(.metadata.deletionTimestamp == null) | select(.status.phase == "Running")] | first | .metadata.name // empty')
else
POD=$($OC get pods -l service=${SERVICE} -o json | jq -r '[.items[] | select(.metadata.deletionTimestamp == null) | select(.status.phase == "Running")] | first | .metadata.name // empty')
fi

if [[ ! $POD ]]; then
Expand All @@ -293,7 +233,11 @@ fi

# If no container defined, load the name of the first container
if [[ -z ${CONTAINER} ]]; then
CONTAINER=$($OC get pod ${POD} -o json | jq --raw-output '.spec.containers[0].name')
if [[ "${IS_KUBERNETES}" == "true" ]]; then
CONTAINER=$($KUBECTL get pod ${POD} -o json | jq --raw-output '.spec.containers[0].name')
else
CONTAINER=$($OC get pod ${POD} -o json | jq --raw-output '.spec.containers[0].name')
fi
fi

if [ -t 1 ]; then
Expand All @@ -302,9 +246,19 @@ else
TTY_PARAMETER=""
fi

echo "${UUID}: Exec to pod='${POD}' for project='${PROJECT}' openshift='${OPENSHIFT_NAME}' service='${SERVICE}'" >> /proc/1/fd/1
if [[ -z "$*" ]]; then
exec $OC exec ${POD} -c ${CONTAINER} -i ${TTY_PARAMETER} -- sh
echo "${UUID}: Exec to pod='${POD}' for project='${PROJECT}' cluster='${CLUSTER_NAME}' service='${SERVICE}'" >> /proc/1/fd/1

if [[ "${IS_KUBERNETES}" == "true" ]]; then
if [[ -z "$*" ]]; then
exec $KUBECTL exec ${POD} -c ${CONTAINER} -i ${TTY_PARAMETER} -- sh
else
exec $KUBECTL exec ${POD} -c ${CONTAINER} -i ${TTY_PARAMETER} -- sh -c "$*"
fi
else
exec $OC exec ${POD} -c ${CONTAINER} -i ${TTY_PARAMETER} -- sh -c "$*"
fi
if [[ -z "$*" ]]; then
exec $OC exec ${POD} -c ${CONTAINER} -i ${TTY_PARAMETER} -- sh
else
exec $OC exec ${POD} -c ${CONTAINER} -i ${TTY_PARAMETER} -- sh -c "$*"
fi

fi