wip: more swarm helpers & doc [skip build]

kalisio · Mar 19, 2021 · 76b90e9 · 76b90e9
1 parent 450749f
commit 76b90e9
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diff --git a/docs/reference/scripts-library.md b/docs/reference/scripts-library.md
@@ -214,14 +214,26 @@ Usage: `notify_slack_danger <message>`
 
 ## swarm
 
-### this_swarm_node
+### all_swarm_nodes
 
-Print the name of the runngin node.
+Print the name of all the nodes in the swarm
 
-Usage: `THIS=$(this_swarm_node)`
+Usage: `ALL=$(all_swarm_nodes)`
+
+### docker_id_from_name
+
+Print the id of the docker with a matching name
+
+Usage: `DOCKER_ID=$(docker_id_from_name mapserver)`
 
 ### other_swarm_nodes
 
-Print the name of the other nodes in the swarm.
+Print the name of the all nodes in the swarm minus the node we're running on.
 
 Usage: `OTHER=$(other_swarm_nodes)`
+
+### this_swarm_node
+
+Print the name of the running node.
+
+Usage: `THIS=$(this_swarm_node)`
diff --git a/scripts/swarm.sh b/scripts/swarm.sh
@@ -6,6 +6,15 @@ this_swarm_node() {
     uname -n
 }
 
+all_swarm_nodes() {
+    docker node ls --format "{{.Hostname}}"
+}
+
 other_swarm_nodes() {
-    docker node ls | grep Ready | grep -v $(this_swarm_node) | awk '{ print $2 }'
+    docker node ls --format "{{.Hostname}}" | grep -v $(this_swarm_node)
+}
+
+docker_id_from_name() {
+    local NAME=$1
+    docker ps --filter "status=running" --filter "name=${NAME}" --format "{{.ID}}" | head -1
 }