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Do not kill services if image download fails #34

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Apr 19, 2020
Merged

Do not kill services if image download fails #34

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27 changes: 16 additions & 11 deletions shepherd
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Original file line number Diff line number Diff line change
Expand Up @@ -22,19 +22,24 @@ update_services() {
if [[ " $blacklist " != *" $name "* ]]; then
image_with_digest="$(docker service inspect "$name" -f '{{.Spec.TaskTemplate.ContainerSpec.Image}}')"
image=$(echo "$image_with_digest" | cut -d@ -f1)
echo "Trying to update service $name with image $image"
docker service update "$name" $detach_option $registry_auth --image="$image" > /dev/null

previousImage=$(docker service inspect "$name" -f '{{.PreviousSpec.TaskTemplate.ContainerSpec.Image}}')
currentImage=$(docker service inspect "$name" -f '{{.Spec.TaskTemplate.ContainerSpec.Image}}')
if [ "$previousImage" == "$currentImage" ]; then
echo "No updates to service $name!"
if ! DOCKER_CLI_EXPERIMENTAL=enabled docker manifest inspect $image > /dev/null; then
echo "Error updating service $name! Image $image does not exist or it is not available"
else
echo "Service $name was updated!"
if [[ "$apprise_sidecar_url" != "" ]]; then
title="[Shepherd] Service $name updated"
body="Service $name was updated from $previousImage to $currentImage"
curl -X POST -H "Content-Type: application/json" --data "{\"title\": \"$title\", \"body\": \"$body\"}" "$apprise_sidecar_url"
echo "Trying to update service $name with image $image"
docker service update "$name" $detach_option $registry_auth --image="$image" > /dev/null

previousImage=$(docker service inspect "$name" -f '{{.PreviousSpec.TaskTemplate.ContainerSpec.Image}}')
currentImage=$(docker service inspect "$name" -f '{{.Spec.TaskTemplate.ContainerSpec.Image}}')
if [ "$previousImage" == "$currentImage" ]; then
echo "No updates to service $name!"
else
echo "Service $name was updated!"
if [[ "$apprise_sidecar_url" != "" ]]; then
title="[Shepherd] Service $name updated"
body="Service $name was updated from $previousImage to $currentImage"
curl -X POST -H "Content-Type: application/json" --data "{\"title\": \"$title\", \"body\": \"$body\"}" "$apprise_sidecar_url"
fi
fi
fi
fi
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