Open Shift helpers

README.MD

Openshift helpers:

oc-pod-name app_name [namespace]

oc-logs app_name [namespace]

oc-tunnel namespace app_name port

oc-tunnel namespace app_name s_port:d_port

oc-tunnel-mongodb

oc-tunnel-mongodb-afd

oc-tunnel-neo4j

oc-tunnel-neo4j-ui

oc-functions.sh

#!/usr/bin/env bash

# Openshift helper functions
# add next line to `.bash_profile` to export these helpers
# source ~/.../oc-functions.sh

TOO_FEW_ARGS_ERR="Too few arguments!"
TOO_MANY_ARGS_ERR="Too many arguments! (Did you forget to quote?)"

function usage() {
	echo -e "Usage:\n\t$1"
}

function oc-rsh() {
	USAGE="${FUNCNAME[0]} APP_NAME [PROJECT]"
	if [ "$#" -lt 1 ]; then
		echo "$TOO_FEW_ARGS_ERR"
		usage "$USAGE"
		return 1
	elif [ "$#" -gt 3 ]; then
		echo "$TOO_MANY_ARGS_ERR"
		usage "$USAGE"
		return 2
	fi
	ACTIVE_PROJECT=$(oc project | cut -d '"' -f 2)
	PROJECT=${2:-$ACTIVE_PROJECT}
	POD_NAME=$(oc-pod-name "$1" "$PROJECT")
	echo "$POD_NAME $PROJECT"
	oc rsh "$POD_NAME"
}

function oc-port-forward() {
	PROJECT=$(oc project | cut -d '"' -f 2)
	POD_NAME=$(oc-pod-name "$1" "$PROJECT")
	echo "$POD_NAME"
	oc port-forward "$POD_NAME" "$2":8080
}

function oc-build() {
	USAGE="${FUNCNAME[0]} BUILD_CONFIG BRANCH_NAME"
	if [ "$#" -lt 2 ]; then
		echo "$TOO_FEW_ARGS_ERR"
		usage "$USAGE"
		return 1
	elif [ "$#" -gt 2 ]; then
		echo "$TOO_MANY_ARGS_ERR"
		usage "$USAGE"
		return 2
	fi

	NS=build
	oc start-build "$1" -n "$NS" --env SOURCE_REF="$2" --follow
}

function oc-promote() {
	ACTIVE_TAG=active
	DEFAULT_SOURCE_NS=dev
	DEFAULT_DEST_NS=qa
	USAGE="${FUNCNAME[0]} IMAGE_NAME [VERSION_TAG] [SOURCE_NAMESPACE] [DEST_NAMESPACE]\n\tVERSION_TAG defaults to $ACTIVE_TAG\n\tSOURCE_NAMESPACE defaults to $DEFAULT_SOURCE_NS\n\tDEST_NAMESPACE defaults to $DEFAULT_DEST_NS"

	if [ "$#" -lt 1 ]; then
		usage "$USAGE"
		return 1
	fi

	IMAGE_NAME=$1
	VERSION_TAG=${2:-$ACTIVE_TAG}
	SOURCE_NAMESPACE=${3:-$DEFAULT_SOURCE_NS}
	DEST_NAMESPACE=${4:-$DEFAULT_DEST_NS}

	oc tag "$SOURCE_NAMESPACE"/"$IMAGE_NAME":"$VERSION_TAG" \
		"$DEST_NAMESPACE"/"$IMAGE_NAME":"$VERSION_TAG" \
		"$DEST_NAMESPACE"/"$IMAGE_NAME":"$ACTIVE_TAG"
}

function oc-logs() {
	local PROJECT=$(oc project | cut -d '"' -f 2)
	local POD_NAME=$(oc-pod-name "$1" "$PROJECT")
	TAIL_LENGTH=${2-100}
	echo "$POD_NAME $PROJECT"
	oc logs -f "$POD_NAME"
}

function oc-pod-name() {
    local ID=$(whoami | awk '{print tolower($0)}')
	local DEFAULT_NS="ode-${ID:(-6)}-nextgen"
	local USAGE="${FUNCNAME[0]} APP_NAME [NAMESPACE]\n\tNAMESPACE defaults to $DEFAULT_NS"

	if [ "$#" -lt 1 ]; then
		echo "$TOO_FEW_ARGS_ERR"
		usage "$USAGE"
		return 1
	elif [ "$#" -gt 2 ]; then
		echo "$TOO_MANY_ARGS_ERR"
		usage "$USAGE"
		return 2
	fi

	local APP_NAME=$1
	local NAMESPACE=${2:-$DEFAULT_NS}
    local POD_NAME=$(oc get pods -n $NAMESPACE -l name=$APP_NAME 2>/dev/null | grep Running | awk -F ' ' {'print $1'})

    if [ -z $POD_NAME ]; then
		echo "$APP_NAME not found in $NAMESPACE"
		return 3
	fi
	echo "$POD_NAME"
}

function oc-tunnel() {
	local USAGE="${FUNCNAME[0]} NAMESPACE APP_NAME SOURCE_PORT [DEST_PORT]\n\tDEST_PORT defaults to SOURCE_PORT"
	if [ "$#" -lt 3 ]; then
		echo "$TOO_FEW_ARGS_ERR"
		usage "$USAGE"
		return 1
	elif [ "$#" -gt 4 ]; then
		echo "$TOO_MANY_ARGS_ERR"
		usage "$USAGE"
		return 2
	fi
	local NAMESPACE=$1
    echo "namespace =" $NAMESPACE

	local APP_NAME=$2
	local SOURCE_PORT=$3
	local DEST_PORT=${4:-$SOURCE_PORT}

    local POD_NAME=$(oc-pod-name $APP_NAME $NAMESPACE)
	echo "$POD_NAME"

	oc port-forward -n "$NAMESPACE" "$POD_NAME" "$SOURCE_PORT":"$DEST_PORT"
}

function oc-tunnel-mongodb() {
    local ID=$(whoami | awk '{print tolower($0)}')
    local NAMESPACE="ode-${ID:(-6)}-nextgen"
    oc-tunnel $NAMESPACE mongodb 27017
}

function oc-tunnel-mongodb-afd() {
    local ID=$(whoami | awk '{print tolower($0)}')
    local NAMESPACE="ode-${ID:(-6)}-afd"
    oc-tunnel $NAMESPACE mongodb 27018 27017
}

function oc-tunnel-neo4j() {
    local ID=$(whoami | awk '{print tolower($0)}')
    local NAMESPACE="ode-${ID:(-6)}-nextgen"
    oc-tunnel $NAMESPACE neo4j 7687
}

function oc-tunnel-neo4j-ui() {
    local ID=$(whoami | awk '{print tolower($0)}')
    local NAMESPACE="ode-${ID:(-6)}-nextgen"
    oc-tunnel $NAMESPACE neo4j 7474
}

function oc-all-versions() {
	TAG=active
	NAMESPACE=$1
	IMAGES=$(oc get istag -o name -n $NAMESPACE)

	while read -r ISTAG; do
		IMAGE_ARR=(${ISTAG//:/ })
		IMAGE_NAME_ARR=(${IMAGE_ARR[0]//\// })
		IMAGE_NAME=${IMAGE_NAME_ARR[1]}
		IMAGE_TAG="${IMAGE_ARR[1]}"
		if [[ "${IMAGE_TAG}" == "${TAG}" ]]; then
			JSON=$(oc get $ISTAG -n $NAMESPACE -o json)
			OUTPUT_TMP=$(echo $JSON | jq -r '.image.dockerImageMetadata.Config.Labels["VERSION", "io.openshift.build.commit.id"]')
			OUTPUT=$(tr '\n' ' ' <<<$OUTPUT_TMP)
			echo "$IMAGE_NAME: $OUTPUT"
		fi
	done <<<"$IMAGES"
}