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postgres-operator
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misc readability improvements

This commit is contained in:
Sergey Dudoladov 2018-01-30 11:04:38 +01:00
parent 9732ec6988
commit 258f4a848f
1 changed files with 49 additions and 44 deletions
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93
run_locally.sh
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@ -24,8 +24,8 @@ function retry(){
# errexit may break "eval $cmd", so we disable it temporarily
set +o errexit
local cmd="$1"
local retry_msg="$2"
local -r cmd="$1"
local -r retry_msg="$2"
# times out after 1 minute
for i in {1..20}; do
@ -42,47 +42,11 @@ function retry(){
}
function build_operator_binary(){
# redirecting stderr greatly reduces non-informative output during normal builds
echo "Build operator binary (stderr redirected to /dev/null)..."
make tools > /dev/null 2>&1
make deps > /dev/null 2>&1
make local > /dev/null 2>&1
}
function deploy_self_built_image() {
echo "==== DEPLOY CUSTOM OPERATOR IMAGE ==== "
build_operator_binary
# the fastest way to run your docker image locally is to reuse the docker from minikube.
# set docker env vars so that docker can talk to the Docker daemon inside the minikube
eval $(minikube docker-env)
# image tag consists of a git tag or a unique commit prefix
# and the "-dev" suffix if there are uncommited changes in the working dir
TAG=$(git describe --tags --always --dirty="-dev")
export TAG
# build the image
make docker > /dev/null 2>&1
# update the tag in the postgres operator conf
# since the image with this tag already exists on the machine,
# docker should not attempt to fetch it from the registry due to imagePullPolicy
sed --expression "s/\(image\:.*\:\).*$/\1$TAG/" manifests/postgres-operator.yaml > "$PATH_TO_LOCAL_OPERATOR_MANIFEST"
retry "kubectl create -f \"$PATH_TO_LOCAL_OPERATOR_MANIFEST\"" "attempt to create $PATH_TO_LOCAL_OPERATOR_MANIFEST resource"
}
function display_help(){
echo "Usage: ./run_locally.sh [ -r | --rebuild-operator ] [ -h | --help ]"
}
function clean_up(){
echo "==== CLEAN UP PREVIOUS RUN ==== "
@ -116,6 +80,7 @@ function clean_up(){
fi
}
function start_minikube(){
echo "==== START MINIKUBE ==== "
@ -129,6 +94,46 @@ function start_minikube(){
}
function build_operator_binary(){
# redirecting stderr greatly reduces non-informative output during normal builds
echo "Build operator binary (stderr redirected to /dev/null)..."
make tools > /dev/null 2>&1
make deps > /dev/null 2>&1
make local > /dev/null 2>&1
}
function deploy_self_built_image() {
echo "==== DEPLOY CUSTOM OPERATOR IMAGE ==== "
build_operator_binary
# the fastest way to run a docker image locally is to reuse the docker from minikube
# set docker env vars so that docker can talk to the Docker daemon inside the minikube
eval $(minikube docker-env)
# image tag consists of a git tag or a unique commit prefix
# and the "-dev" suffix if there are uncommited changes in the working dir
local -x TAG
TAG=$(git describe --tags --always --dirty="-dev")
readonly TAG
# build the image
make docker > /dev/null 2>&1
# update the tag in the postgres operator conf
# since the image with this tag already exists on the machine,
# docker should not attempt to fetch it from the registry due to imagePullPolicy
sed --expression "s/\(image\:.*\:\).*$/\1$TAG/" manifests/postgres-operator.yaml > "$PATH_TO_LOCAL_OPERATOR_MANIFEST"
retry "kubectl create -f \"$PATH_TO_LOCAL_OPERATOR_MANIFEST\"" "attempt to create $PATH_TO_LOCAL_OPERATOR_MANIFEST resource"
}
function start_operator(){
echo "==== START OPERATOR ==== "
@ -147,13 +152,14 @@ function start_operator(){
retry "kubectl create -f manifests/postgres-operator.yaml" "attempt to create /postgres-operator.yaml resource"
fi
local msg="Wait for the postgresql custom resource definition to register..."
local cmd="kubectl get crd | grep --quiet 'postgresqls.acid.zalan.do'"
local -r msg="Wait for the postgresql custom resource definition to register..."
local -r cmd="kubectl get crd | grep --quiet 'postgresqls.acid.zalan.do'"
retry "$cmd" "$msg "
kubectl create -f manifests/complete-postgres-manifest.yaml
}
function forward_ports(){
echo "==== FORWARD OPERATOR PORT $OPERATOR_PORT TO LOCAL PORT $LOCAL_PORT ===="
@ -172,9 +178,9 @@ function check_health(){
echo "==== RUN HEALTH CHECK ==== "
local check_cmd="curl --location --silent http://127.0.0.1:$LOCAL_PORT/clusters &> /dev/null"
local -r check_cmd="curl --location --silent http://127.0.0.1:$LOCAL_PORT/clusters &> /dev/null"
local -r check_msg="Wait for port forwarding to take effect"
echo "Command for checking: $check_cmd"
local check_msg="Wait for port forwarding to take effect"
if retry "$check_cmd" "$check_msg"; then
echo "==== SUCCESS: OPERATOR IS RUNNING ==== "
@ -196,7 +202,6 @@ function main(){
trap "echo 'If you observe issues with minikube VM not starting/not proceeding, consider deleting the .minikube dir and/or rebooting before re-running the script'" EXIT
local should_build_operator=false
while true
do