cpu_load_1m

schema.sql

@@ -27,3 +27,11 @@ CREATE TABLE host_disk (
     -- free disk space in kB
     disk_free INT NOT NULL
 );
+
+CREATE TABLE host_cpu (
+    id SERIAL PRIMARY KEY,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    host_id INT NOT NULL REFERENCES host(id),
+    -- cpu load for last minute
+    cpu_load_1m FLOAT NOT NULL
+);

status

@@ -39,3 +39,15 @@ psql -w <<EOF
     FROM host_upsert
     RETURNING *;
 EOF
+
+psql -w <<EOF
+    WITH host_upsert AS (
+        INSERT INTO host (name) VALUES ('$(hostname)')
+        ON CONFLICT (name) DO UPDATE SET name = EXCLUDED.name
+        RETURNING id
+    )
+    INSERT INTO host_cpu (host_id, cpu_load_1m)
+    SELECT id, '$(top -bn1 | head -1 | awk -F'load average: ' '{print $2}' | awk -F, '{print $1}')'
+    FROM host_upsert
+    RETURNING *;
+EOF